Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1996

done Rajasthan - PMT Solved Paper-1996 Total Questions - 400

• question_answer1) For coherent sources, it is essential that their:
  A)
   amplitudes are equal
  done clear
  B)
   wavelength are equal
  done clear
  C)
   frequencies are equal
  done clear
  D)
   initial phase difference is constant
  done clear
  View Answer play_arrow

• question_answer2) In Youngs double slit experiment the intensities of dark and bright lines are 1 and 4 respectively, then the amplitudes of the source are in the ratio:
  A)
   \[1:1\]                                 
  done clear
  B)
          \[1:2\]                 
  done clear
  C)
   \[3:1\]                                 
  done clear
  D)
          \[1:3\]
  done clear
  View Answer play_arrow

• question_answer3) The values of voltage and frequency of electric supply for domestic use in India are:
  A)
  \[\text{220}\,\text{V}\,\text{(r}\text{.m}\text{.s),}\,\text{60}\,\text{Hz}\]        
  done clear
  B)
  \[\text{220}\,\text{V}\,\text{(r}\text{.m}\text{.s),}\,5\text{0}\,\text{Hz}\]
  done clear
  C)
  \[\text{220}\,\text{V}\,\text{(r}\text{.m}\text{.s),}\,6\text{0}\,\text{Hz}\]
  done clear
  D)
  \[\text{220}\,\text{V}\,\text{(r}\text{.m}\text{.s),}\,5\text{0}\,\text{Hz}\]
  done clear
  View Answer play_arrow

• question_answer4) In bringing an \[\alpha \] particle from rest from a position where electric potential is 70 volt to another position where the potential is 50 volt, the K.E. will be:
  A)
   \[40eV\]                            
  done clear
  B)
   \[40keV\]          
  done clear
  C)
          \[40MeV\]        
  done clear
  D)
          \[0eV\]
  done clear
  View Answer play_arrow

• question_answer5) If the length of a so no meter wire is halved, the resonance frequency will become:
  A)
   three times      
  done clear
  B)
          halved                
  done clear
  C)
   four times         
  done clear
  D)
          double
  done clear
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• question_answer6) The order of pressure in coolidge rube is:
  A)
   zero mm of \[Hg\]         
  done clear
  B)
   \[{{10}^{-6}}mm\]of \[Hg\]
  done clear
  C)
          \[{{10}^{-3}}mm\]of \[Hg\]   
  done clear
  D)
          \[0.1mm\]of \[Hg\]
  done clear
  View Answer play_arrow

• question_answer7) The radius of fourth half period zone at a point 4 m away from a plane wave front of wavelength \[6400\overset{\text{o}}{\mathop{\text{A}}}\,\]is:
  A)
   \[32\times {{10}^{-4}}m\]                          
  done clear
  B)
   \[30\times {{10}^{-4}}cm\]        
  done clear
  C)
          \[33\times {{10}^{-4}}mm\]      
  done clear
  D)
          \[16\times {{10}^{-3}}m\]
  done clear
  View Answer play_arrow

• question_answer8) Two waves represented by \[{{y}_{1}}=a\,\sin \,\left( \omega t+\frac{\pi }{6} \right),{{y}_{2}}=a\,\cos \,\omega t,\] the resultant amplitude will be:
  A)
  \[a\]                                     
  done clear
  B)
         \[a\sqrt{2}\]                      
  done clear
  C)
         \[a\sqrt{3}\]                                      
  done clear
  D)
         \[2a\]
  done clear
  View Answer play_arrow

• question_answer9) The correct relation between paramagnetic suspectibility X and temperature T is:
  A)
  \[X=\frac{C}{T}\]                             
  done clear
  B)
         \[X=CT\]                             
  done clear
  C)
         \[X=\frac{T}{C}\]                             
  done clear
  D)
         \[X=C{{T}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer10) Moseleys law is:
  A)
  \[v=a\,(z-\sigma )\]                       
  done clear
  B)
         \[v\frac{a}{z-\sigma }\]                
  done clear
  C)
          \[v=a{{(z-\sigma )}^{2}}\]           
  done clear
  D)
          \[v=a\sqrt{z-\sigma }\]
  done clear
  View Answer play_arrow

• question_answer11) A person will get more quantity of matter in 1 kg weight at:
  A)
   poles                   
  done clear
  B)
          moon                  
  done clear
  C)
          equator                              
  done clear
  D)
          artificial satellite
  done clear
  View Answer play_arrow

• question_answer12) An elastic ball is released from height of 100 m, and on colliding with earth its 20% energy is dissipated, the height to which ball rebounds:
  A)
   \[80m\]                                              
  done clear
  B)
          \[40\text{ }m\]               
  done clear
  C)
         \[60\,m\]                                            
  done clear
  D)
          \[20\,m\]
  done clear
  View Answer play_arrow

• question_answer13) Two identical soap bubbles of radius R are touching each other. The radius of curvature of the common surface is:
  A)
   infinite                                
  done clear
  B)
          R                           
  done clear
  C)
          R/2                                       
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer14) Angular velocity of minute hand of a clock is:
  A)
   \[\frac{\pi }{21600}rad/\sec \]                  
  done clear
  B)
         \[\frac{\pi }{12}rad/\sec \]                          
  done clear
  C)
         \[\frac{\pi }{3600}rad/\sec \]                     
  done clear
  D)
         \[\frac{\pi }{1800}rad/\sec \]
  done clear
  View Answer play_arrow

• question_answer15) The presence of atmosphere on a planet means:
  A)
  \[{{C}_{rms}}<<{{\upsilon }_{e}}\]                          
  done clear
  B)
         \[{{C}_{rms}}>{{\upsilon }_{e}}\]
  done clear
  C)
          The mass of density of planet is small
  done clear
  D)
         \[{{C}_{rms}}=0\]
  done clear
  View Answer play_arrow

• question_answer16) Positive rays are the beam of:
  A)
   positrons                           
  done clear
  B)
          protons                              
  done clear
  C)
          \[\alpha \] particles      
  done clear
  D)
                          positive ions
  done clear
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• question_answer17) In space, in zero gravity position, when a liquid is heated, then transfer of heat will be in the form :
  A)
   conduction                       
  done clear
  B)
          convection
  done clear
  C)
          radiation
  done clear
  D)
          in zero gravity position, liquid cannot be heated
  done clear
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• question_answer18) For L-C-R series A.C. circuit, in resonating conditions which is true?
  A)
   Minimum current
  done clear
  B)
          Minimum impendence
  done clear
  C)
          Power loss minimum
  done clear
  D)
          Minimum power factor
  done clear
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• question_answer19) If the refracting angle of a bi-prism is increased, what shall be its effect on fringe pattern?
  A)
   Fringes will come closer
  done clear
  B)
          Fringes pattern will not be obtained
  done clear
  C)
          Fringes will not be affected
  done clear
  D)
          Fringes will get distorted
  done clear
  View Answer play_arrow

• question_answer20) The value of\[\frac{{{f}_{2}}}{{{f}_{1}}}\]for zone plate is:
  A)
   \[\frac{2}{5}\]                                                  
  done clear
  B)
          \[\frac{5}{2}\]                                  
  done clear
  C)
           \[\frac{3}{9}\]                                                 
  done clear
  D)
          \[\frac{1}{3}\]
  done clear
  View Answer play_arrow

• question_answer21) The percentage quantity of a radioactive substance remained after five half-lives will be:
  A)
   \[31%\]                                              
  done clear
  B)
          \[3.125%\]
  done clear
  C)
         \[0.3%\]                                              
  done clear
  D)
          \[1%\]
  done clear
  View Answer play_arrow

• question_answer22) A star is receding from earth with velocity \[{{10}^{6}}m/s\]. If the wavelength of one of its spectral lines is\[5700\overset{o}{\mathop{\text{A}}}\,\], the observed Doppler shift will be:
  A)
   \[200\overset{o}{\mathop{\text{A}}}\,\]                           
  done clear
  B)
          \[19\overset{o}{\mathop{\text{A}}}\,\]                              
  done clear
  C)
          \[20\overset{o}{\mathop{\text{A}}}\,\]                                              
  done clear
  D)
          \[0.2\overset{o}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer23) The displacement equation for two waves undergoing superposition are \[{{y}_{1}}=4\,\sin \,\omega t,{{y}_{2}}=3\sin \,(\omega t+\pi /2),\]then resultant amplitude will be:
  A)
   \[5\,cm\]                                           
  done clear
  B)
          \[7\,cm\]                           
  done clear
  C)
          \[1\,cm\]                                           
  done clear
  D)
          \[0\,cm\]
  done clear
  View Answer play_arrow

• question_answer24) The magnetic moment of a magnetic wire of length L is M. If the wire is bent in form of a semicircle its magnetic moment becomes:
  A)
   \[\frac{2M}{\pi }\]                                         
  done clear
  B)
          \[\frac{M}{\pi }\]                           
  done clear
  C)
          \[M\]                                  
  done clear
  D)
          \[M\pi \]
  done clear
  View Answer play_arrow

• question_answer25) The isotopes used commonly for treatment of the cancer is:
  A)
   \[{{K}^{40}}\]                                   
  done clear
  B)
          \[C{{o}^{60}}\]                
  done clear
  C)
          \[S{{r}^{90}}\]                                                 
  done clear
  D)
          \[{{I}^{131}}\]
  done clear
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• question_answer26)                 1 volt is equivalent to:
  A)
   1 eV                                     
  done clear
  B)
          \[\frac{joule}{coulomb}\]                          
  done clear
  C)
          joule-coulomb                
  done clear
  D)
         \[\frac{erg}{coulomb}\]
  done clear
  View Answer play_arrow

• question_answer27) Two sirens 1 km apart are producing sound by \[330\,Hz\]an observer is coming towards a siren from another siren, then apparent frequency will be:
  A)
   \[8\,Hz\]                                            
  done clear
  B)
          \[4\,Hz\]                            
  done clear
  C)
          \[6\,Hz\]                                            
  done clear
  D)
          \[1\,Hz\]
  done clear
  View Answer play_arrow

• question_answer28) If the distance between a point source of light and a screen is made one third, then relation between intensity of light\[\text{(I)}\] and initial intensity \[\text{(}{{\text{I}}_{0}}\text{)}\]will be:
  A)
  \[\text{I=}\frac{{{\text{I}}_{\text{0}}}}{\text{3}}\]                                          
  done clear
  B)
         \[\text{I=}\frac{{{\text{I}}_{\text{0}}}}{9}\]                        
  done clear
  C)
         \[\text{I=}{{\text{I}}_{\text{0}}}\]                                          
  done clear
  D)
         \[\text{I=9}{{\text{I}}_{\text{0}}}\]
  done clear
  View Answer play_arrow

• question_answer29) Wavelength of X-ray is of the order:
  A)
  \[\text{1}{{\text{0}}^{\text{-10}}}\,\text{m}\]                                  
  done clear
  B)
         \[\text{1}{{\text{0}}^{\text{-10}}}\,\text{cm}\]                
  done clear
  C)
         \[\text{1}{{\text{0}}^{\text{10}}}\,\text{m}\]                                    
  done clear
  D)
         \[\text{1}{{\text{0}}^{\text{10}}}\,c\text{m}\]
  done clear
  View Answer play_arrow

• question_answer30) A chock coil is connected with a fluorescent tube as to:
  A)
   produce high voltage first, then low current
  done clear
  B)
          produce high current first, then high voltage.
  done clear
  C)
          produce high current first, then low voltage.
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer31) Two waves represented as \[x=a\,\sin (\omega t+\pi /6),\,x=a\,\cos \varepsilon t,\] then resultant phase difference between them is:
  A)
  \[\pi /\text{3}\]
  done clear
  B)
  \[\pi /\text{6}\]   
  done clear
  C)
  \[\pi /\text{2}\]
  done clear
  D)
  \[\pi \]
  done clear
  View Answer play_arrow

• question_answer32) The intensity of central fringe in a fringe pattern obtained from two slits of equal widths is\[I.\] If one of these slits is closed the intensity at the same place becomes \[{{I}_{0.}}\] The correct relation between \[I\] and \[{{I}_{0.}}\] is:
  A)
  \[I=4{{I}_{0}}\]                 
  done clear
  B)
         \[I=2{{I}_{0}}\]
  done clear
  C)
         \[I={{I}_{0}}\]                                   
  done clear
  D)
         \[I=\frac{{{I}_{0}}}{2}\]
  done clear
  View Answer play_arrow

• question_answer33) Coherent waves are obtained by method of division of amplitude in which of the following experiments?
  A)
   Youngs double slit         
  done clear
  B)
          Fresnels biprism             
  done clear
  C)
          Michelson Morley         
  done clear
  D)
          Lyods mirror
  done clear
  View Answer play_arrow

• question_answer34) An astronaut is revolving in a circular orbit around the earth at a height 120 km above the surface, then gently drops a pen, then the pen:
  A)
   will move towards the moon
  done clear
  B)
          will move down straight towards earth
  done clear
  C)
          will move with satellite in same direction
  done clear
  D)
          will move opposite to direction of satellite
  done clear
  View Answer play_arrow

• question_answer35) The amplification factor of a triode is 20 and trans conductance is 3 mili mho. If the load resistance is\[3\times {{10}^{4}}\,\Omega ,\] then voltage gain of triode:
  A)
   \[16.36\]                                            
  done clear
  B)
          \[28\]                                  
  done clear
  C)
          \[78\]                                                  
  done clear
  D)
          \[108\]
  done clear
  View Answer play_arrow

• question_answer36) The charge is quantized, this is shown by:
  A)
   Davisson-Germers experiment.
  done clear
  B)
          Crompton scattering experiment.
  done clear
  C)
          Milikans oil drop experiment.
  done clear
  D)
          Raman effect
  done clear
  View Answer play_arrow

• question_answer37) The peak value of an A.C. is \[2\sqrt{2}\] A, its rms value will be:
  A)
  \[\text{1A}\]                                     
  done clear
  B)
         \[\text{2A}\]                     
  done clear
  C)
         \[\text{4A}\]                                     
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer38) At a frequency more than the resonance frequency, the nature of an anti resonance circuit is:
  A)
   resistive                             
  done clear
  B)
          capacitive                          
  done clear
  C)
          inductive                           
  done clear
  D)
          all above
  done clear
  View Answer play_arrow

• question_answer39) The constant quantity for equal volumes of two gases at same pressure and temperature is:
  A)
   number of molecules
  done clear
  B)
          average kinetic energy
  done clear
  C)
          RMS velocity
  done clear
  D)
          mean free path
  done clear
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• question_answer40) The meniscus of mercury in a capillary is:
  A)
   concave                             
  done clear
  B)
          convex               
  done clear
  C)
          plane                                   
  done clear
  D)
          circular
  done clear
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• question_answer41) The moment of inertia of a thin rod of mass M and length L about an axis through one of its ends and perpendiculars length is:
  A)
  \[\frac{M{{L}^{2}}}{3}\]                                
  done clear
  B)
         \[\frac{M{{L}^{2}}}{12}\]                             
  done clear
  C)
         \[\frac{M{{L}^{2}}}{2}\]                                
  done clear
  D)
         \[\frac{M{{L}^{2}}}{13}\]
  done clear
  View Answer play_arrow

• question_answer42) The quantity conserved for earth moving round the sun is:
  A)
   angular momentum      
  done clear
  B)
          linear momentum        
  done clear
  C)
                          rational K.E.                      
  done clear
  D)
          kinetic energy
  done clear
  View Answer play_arrow

• question_answer43) For an elastic collision:
  A)
   both kinetic energy and momentum are conserved
  done clear
  B)
          both kinetic energy and momentum are not conserved
  done clear
  C)
          either kinetic energy or momentum do not conserved
  done clear
  D)
          momentum is conserved but not kinetic energy
  done clear
  View Answer play_arrow

• question_answer44) A system does 50 J of work under adiabatic condition. In this process:
  A)
   temperature of system will increase
  done clear
  B)
          temperature of system will remain same
  done clear
  C)
          internal energy of system will increase
  done clear
  D)
          internal energy of system will decrease
  done clear
  View Answer play_arrow

• question_answer45) At certain instance the displacement and acceleration of a harmonic oscillator are respectively \[0.02\text{ }m\]and \[2m/{{s}^{2}},\] its angular speed at this instant is (in rad /s):
  A)
   \[100\]                                                
  done clear
  B)
          \[10\]                                  
  done clear
  C)
          \[1\]                                    
  done clear
  D)
          \[0.1\]
  done clear
  View Answer play_arrow

• question_answer46) An ideal monoatomic gas is taken along the path LMNO as shown in figure, work done during the cycle will be:
  A)
   PV                                        
  done clear
  B)
          2 PV                     
  done clear
  C)
          3 PV                                     
  done clear
  D)
          4 PV
  done clear
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• question_answer47) The origin of Fraunhauffer rays is:
  A)
   reflection of radiations by chromosphere.
  done clear
  B)
          absorption of raditions by chromosphere.
  done clear
  C)
          emission of radiations by chromosphere.
  done clear
  D)
          transmission of radiations by chromosphere.
  done clear
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• question_answer48) If the reactance and resistance of a work coil are \[{{X}_{L}}\] and R respectively, then:
  A)
  \[{{X}_{L}}=R\]                                 
  done clear
  B)
         \[{{X}_{L}}>>R\]                              
  done clear
  C)
         \[{{X}_{L}}<<R\]                              
  done clear
  D)
          \[{{X}_{L}}=\infty \]
  done clear
  View Answer play_arrow

• question_answer49) A pure resistance is connected as shown in the figure, the phase difference between current and e.m.f is:
  A)
   zero                                     
  done clear
  B)
          \[\text{/2}\]                     
  done clear
  C)
         \[\text{-}\text{/2}\]                                      
  done clear
  D)
          \[\text{/4}\]
  done clear
  View Answer play_arrow

• question_answer50) The path difference, time difference and phase difference between two consecutive half period zones are respectively:
  A)
  \[\frac{\lambda }{2}\frac{T}{2}\pi \]                       
  done clear
  B)
         \[\lambda ,T,\pi \]                          
  done clear
  C)
         \[\frac{\lambda }{2}\frac{T}{2}\frac{\pi }{2}\]                     
  done clear
  D)
         \[\frac{\lambda }{2}\frac{T}{2}2\pi \]
  done clear
  View Answer play_arrow

• question_answer51) To obtain the first minima on screen from a circular aperture the number of zones passing through it should be:
  A)
   \[4\]                                    
  done clear
  B)
          \[6\]                    
  done clear
  C)
          \[3\]                                    
  done clear
  D)
          \[2\]
  done clear
  View Answer play_arrow

• question_answer52) Forbidden energy gap in an intrinsic semiconductor is of the order of:
  A)
  \[0.1\,eV\]                                         
  done clear
  B)
          \[1\,eV\]                           
  done clear
  C)
          \[5\,eV\]                                           
  done clear
  D)
          \[10\,eV\]
  done clear
  View Answer play_arrow

• question_answer53) The expression relating magnetic induction B magnetizing field H and magnetization intensity \[I\] is:
  A)
  \[B={{\mu }_{0}}H+I\]                   
  done clear
  B)
         \[B={{\mu }_{0}}I+H\]                   
  done clear
  C)
          \[B={{\mu }_{0}}(H+I)\]                              
  done clear
  D)
         \[B={{\mu }_{0}}(H-I)\]
  done clear
  View Answer play_arrow

• question_answer54) With what velocity should a source of sound move away from the observer so that to the observer the frequency of sound may appear to be half of the actual frequency:
  A)
  \[\frac{\upsilon }{2}\]                                   
  done clear
  B)
         \[\upsilon 2\]                    
  done clear
  C)
         \[\frac{\upsilon }{4}\]                                   
  done clear
  D)
         \[\upsilon \]
  done clear
  View Answer play_arrow

• question_answer55) The intensity of X-ray is controlled in coolidge tube by:
  A)
   filament current
  done clear
  B)
          potential difference between cathode and anti cathode
  done clear
  C)
          both a and b
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer56) The refractive indices of water and glass slab are 4/3 and 5/3 respectively, then critical angle of light entering from glass into water is:
  A)
  \[{{\sin }^{-1}}\frac{4}{5}\]                         
  done clear
  B)
         \[{{\sin }^{-1}}\frac{5}{4}\]                         
  done clear
  C)
         \[{{\sin }^{-1}}\frac{1}{2}\]                                         
  done clear
  D)
         \[{{\sin }^{-1}}\frac{2}{1}\]
  done clear
  View Answer play_arrow

• question_answer57) A rocket is receding from earth with a velocity\[0.2c\]. It emits a signal of frequency\[4\times {{10}^{7}}Hz\]. The frequency as observed on earth will be:
  A)
   \[4\times {{10}^{6}}Hz\]                             
  done clear
  B)
          \[3.3\times {{10}^{7}}Hz\]
  done clear
  C)
          \[3\times {{10}^{6}}\,Hz\]                          
  done clear
  D)
          \[5\times {{10}^{7}}Hz\]
  done clear
  View Answer play_arrow

• question_answer58) A normally incident ray reflected at an angle of\[{{90}^{o}}\]. The value of critical angle is:
  A)
   \[{{45}^{o}}\]                                   
  done clear
  B)
          \[{{90}^{o}}\]                   
  done clear
  C)
          \[{{65}^{o}}\]                                                   
  done clear
  D)
          \[{{43.5}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer59) Waves used in sonography is:
  A)
   micro waves                     
  done clear
  B)
          infrared waves
  done clear
  C)
          sound waves   
  done clear
  D)
          ultrasonic waves
  done clear
  View Answer play_arrow

• question_answer60) If the plate resistance and voltage gain of a triode amplifier are \[15k\Omega \]and 50. Then for a load resistance \[100k\Omega \] amplification factor will be:
  A)
   \[5\]                                    
  done clear
  B)
          \[50\]                                  
  done clear
  C)
          \[57.5\]                                              
  done clear
  D)
          \[75.5\]
  done clear
  View Answer play_arrow

• question_answer61) In the space charge limited region for vacuum tube diode for plate voltage 400 and 200 volts. The plate current and \[{{I}_{{{P}_{1}}}}\]and\[{{I}_{{{P}_{2}}}}\] have ratio:
  A)
   \[1:2\]                                                 
  done clear
  B)
          \[2:1\]                 
  done clear
  C)
         \[1:2\sqrt{2}\]                                  
  done clear
  D)
          \[2\sqrt{2}:1\]
  done clear
  View Answer play_arrow

• question_answer62) Hardness of X-rays produced by Coolidge tube depends on :
  A)
   filament current
  done clear
  B)
          air pressure in tube                  
  done clear
  C)
          target material
  done clear
  D)
          potential difference between cathode and target
  done clear
  View Answer play_arrow

• question_answer63) At  some  instant  two  radioactive substance are having amount in ratio: 1. Their half lives are \[12\,hrs\]and \[16\,hrs\], then after 2 days the ratio of their quantities:
  A)
   \[1:1\]                                 
  done clear
  B)
          \[2:1\]                                 
  done clear
  C)
          \[1:2\]                                                 
  done clear
  D)
          \[1:4\]                
  done clear
  View Answer play_arrow

• question_answer64) The curve showing correct variation of capacitative reactance \[{{X}_{C}}\] with frequency \[f\]is:
  A)
  
  done clear
  B)
        
  done clear
  C)
        
  done clear
  D)
        
  done clear
  View Answer play_arrow

• question_answer65) \[{{\upsilon }_{m}}-T\] curves for a perfect black body is:                
  A)
   A                                           
  done clear
  B)
          B                           
  done clear
  C)
          C                                           
  done clear
  D)
          D
  done clear
  View Answer play_arrow

• question_answer66) A rocket is approaching on the moon with a velocity\[\upsilon \]. The astronaut in rocket sends electromagnetic signals of frequency \[\upsilon \] towards the moon and receives the signals after signals being reflected by the moon. The observed change in frequency will be:
  A)
  \[\frac{Cv}{C-\upsilon }\]                                            
  done clear
  B)
         \[\frac{Cv}{C-2\upsilon }\]                          
  done clear
  C)
         \[\frac{2v\upsilon }{C}\]                                              
  done clear
  D)
         \[\frac{2Cv}{\upsilon }\]
  done clear
  View Answer play_arrow

• question_answer67) A light wave is incident on a plane face with speed v. After reflection its speed becomes:
  A)
   \[\upsilon \]                                     
  done clear
  B)
          \[2\upsilon \]                   
  done clear
  C)
          \[3\,\upsilon \]                                               
  done clear
  D)
          \[4\,\upsilon \]
  done clear
  View Answer play_arrow

• question_answer68) The half life of a radioactive element is T and \[\lambda \], is its decay constant, then:
  A)
  \[\lambda T=1\]                              
  done clear
  B)
         \[\lambda T=\frac{1}{2}\]                            
  done clear
  C)
         \[\lambda T={{\log }_{e}}2\]                      
  done clear
  D)
         \[\lambda =-{{\log }_{e}}2T\]
  done clear
  View Answer play_arrow

• question_answer69) The internal resistance of a cell does not depend on:
  A)
   current drawn from cell
  done clear
  B)
          distance between electrode
  done clear
  C)
          concentration of electrolyte
  done clear
  D)
          e.m.f. of the cell
  done clear
  View Answer play_arrow

• question_answer70) The range of magnetic permeability of diamagnetic materials is:
  A)
   \[-1<\mu <-10\]             
  done clear
  B)
          \[1<\mu <10\]                 
  done clear
  C)
          \[1<\mu >10\]                 
  done clear
  D)
          \[0<\mu <1\]
  done clear
  View Answer play_arrow

• question_answer71) The de Broglices wavelength of an a particle accelerated through a voltage V is:
  A)
   \[\frac{0.287}{\sqrt{V}}\overset{o}{\mathop{\text{A}}}\,\]                       
  done clear
  B)
          \[\frac{12.27}{\sqrt{V}}\overset{o}{\mathop{\text{A}}}\,\]                       
  done clear
  C)
          \[\frac{4.34}{\sqrt{V}}\overset{o}{\mathop{\text{A}}}\,\]                         
  done clear
  D)
          \[\frac{0.202}{\sqrt{V}}\overset{o}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer72) The wavelength of first line of Balmer series is\[6563\overset{\text{o}}{\mathop{\text{A}}}\,\]. The wavelength of first line of Lyman series is:
  A)
   \[1215.4\overset{\text{o}}{\mathop{\text{A}}}\,\]                        
  done clear
  B)
          \[2500\overset{\text{o}}{\mathop{\text{A}}}\,\]                           
  done clear
  C)
          \[7500\overset{\text{o}}{\mathop{\text{A}}}\,\]                           
  done clear
  D)
          \[600\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer73) The reactance of an inductor at\[{{10}^{4}}Hz\]. is \[{{10}^{4}}\Omega ,\]then its reactance at \[2\times {{10}^{4}}Hz\]is:
  A)
  \[{{10}^{4}}\Omega \]                                  
  done clear
  B)
         \[2\times {{10}^{4}}\Omega \]                                  
  done clear
  C)
         \[3\times {{10}^{4}}\Omega \]                  
  done clear
  D)
         \[4\times {{10}^{4}}\Omega \]
  done clear
  View Answer play_arrow

• question_answer74) If the specific resistance and area of cross section of a potentiometer wire are \[\rho \] and A and\[I\]is current flowing through it, then potential gradient is:
  A)
  \[\frac{I\rho }{A}\]                                         
  done clear
  B)
         \[\frac{I}{A\rho }\]                         
  done clear
  C)
         \[\frac{IA}{\rho }\]                                         
  done clear
  D)
         \[IA\rho \]
  done clear
  View Answer play_arrow

• question_answer75) In stationary waves at antinodes:
  A)
   energy is maximum
  done clear
  B)
          pressure and change in density is maximum
  done clear
  C)
          change in strain is maximum
  done clear
  D)
          all the above
  done clear
  View Answer play_arrow

• question_answer76) The ratio of diameters of fourth and nineth half period zone will be:
  A)
   \[2/3\]                                
  done clear
  B)
          \[4/9\]                
  done clear
  C)
          \[1/4\]                                                
  done clear
  D)
          \[16/81\]
  done clear
  View Answer play_arrow

• question_answer77) The induced e.m.f. in a L-R circuit is maximum:
  A)
   at the time of switching on due to high resistance
  done clear
  B)
          at the time of switching off due to high resistance
  done clear
  C)
          at the time of switching off due to low resistance
  done clear
  D)
          at the time of switching on due to low resistance
  done clear
  View Answer play_arrow

• question_answer78) At normal temperature the degree of freedom for a diatomic gas are:
  A)
   \[7\]                                    
  done clear
  B)
          \[6\]                    
  done clear
  C)
          \[5\]                                    
  done clear
  D)
          \[4\]
  done clear
  View Answer play_arrow

• question_answer79) A ball is released from height h above the ground. If the coefficient of restitution is e, up to what height the ball rises after rebounding twice with the ground:
  A)
  \[\frac{eh}{2}\]                                                
  done clear
  B)
          \[2eh\]                               
  done clear
  C)
          \[eh\]                                                 
  done clear
  D)
         \[{{e}^{4}}h\]
  done clear
  View Answer play_arrow

• question_answer80) A bob of mass M is connected with two springs as shown in figure the time period of horizontal oscillation of M will be (no damping force is present):
  A)
  \[2\pi \sqrt{\frac{3k}{M}}\]                        
  done clear
  B)
         \[2\pi \sqrt{\frac{k}{M}}\]                          
  done clear
  C)
         \[2\pi \sqrt{\frac{M}{2k}}\]                        
  done clear
  D)
         \[2\pi \sqrt{\frac{M}{3k}}\]
  done clear
  View Answer play_arrow

• question_answer81) Expressions for e.m.f- and current in A.C. circuit are \[E=200sin\text{ }314\text{ }t\]volt and \[I=100\,\sin \,\left( 314t+\frac{\pi }{3} \right)A,\] the power factor will be: 
  A)
   \[1/2\]                                                
  done clear
  B)
          \[1/4\]                                
  done clear
  C)
          \[1\]                                    
  done clear
  D)
          \[-1\]
  done clear
  View Answer play_arrow

• question_answer82) Two solid sphere is each of mass M and radius R/2 are connected with a mass less rod of length 2R. The moment of inertia of the system about an axis through the centre of any sphere and perpendicular to the rod is:
  A)
  \[\frac{21}{5}M{{R}^{2}}\]                          
  done clear
  B)
         \[\frac{2}{5}M{{R}^{2}}\]                             
  done clear
  C)
         \[\frac{5}{2}M{{R}^{2}}\]                                             
  done clear
  D)
         \[\frac{5}{21}M{{R}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer83) The water rises to a height of 5 cm in a straight capillary when it is dipped vertically in water. If this capillary is now twisted as shown m figure. The height of water column will be:
  A)
   5 cm                                     
  done clear
  B)
          less than 5 cm                  
  done clear
  C)
          more than 4 cm              
  done clear
  D)
          none of the these
  done clear
  View Answer play_arrow

• question_answer84) Ozone layer is important for us as this :
  A)
   prevents cooling of earth during night.
  done clear
  B)
          protects us from intrared rays coming from space.
  done clear
  C)
          protects us from. metaroids coming from space.
  done clear
  D)
          protects us from ultravoilet rays coming from space.
  done clear
  View Answer play_arrow

• question_answer85) If resonance frequency is f and then the capacity is increased 4 times, then new resonance frequency will be:
  A)
   \[f\text{/2}\]                                                   
  done clear
  B)
          \[2f\]                                   
  done clear
  C)
          \[f\]                                                     
  done clear
  D)
          \[f\text{/4}\]
  done clear
  View Answer play_arrow

• question_answer86) The velocity of sound in air is \[333\text{ }m/s,\] if the fundamental frequency of an open pipe is 333 Hz Then length of the pipe required to produce second over tone is:
  A)
   \[0.5m\]                                             
  done clear
  B)
          \[1.0m\]                             
  done clear
  C)
          \[1.5m\]                                             
  done clear
  D)
          \[2m\]
  done clear
  View Answer play_arrow

• question_answer87) Arrange the following in increasing order of work:
  A)
   \[adiabatic>isothermal>isobaric\]
  done clear
  B)
          \[isobaric>adiabatic>isothermal\]
  done clear
  C)
          \[adiabatic>isobaric>isothermal\]
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer88) On placing a mica sheet of thickness t and refractive index\[\mu \] in the path of first ray producing the interference, by what amount the fringe pattern shifts towards:
  A)
  \[\frac{d}{D}(\mu -1)t\]                               
  done clear
  B)
         \[\frac{D}{d}(\mu -1)t\]                               
  done clear
  C)
         \[\frac{d}{(\mu -1)D}\]                 
  done clear
  D)
         \[\frac{D}{d}(\mu -1)\]
  done clear
  View Answer play_arrow

• question_answer89) The fundamental frequency of an open pipe is\[f.\] The pipe is now vertically dipped in water such that it is half immersed. The fundamental frequency of air column is now:
  A)
  \[\frac{f}{2}\]                                   
  done clear
  B)
         \[\frac{3f}{4}\]                                 
  done clear
  C)
         \[f\]                                      
  done clear
  D)
         \[2f\]
  done clear
  View Answer play_arrow

• question_answer90) The ratio of number of turns in secondary and primary coils of a stepup transformer is\[4:1\]. If the current in the primary coil is 4 amp. The current in the secondary coil is:
  A)
   \[8A\]                                                 
  done clear
  B)
          \[2A\]                 
  done clear
  C)
          \[1A\]                                                 
  done clear
  D)
          \[0.5A\]
  done clear
  View Answer play_arrow

• question_answer91) For the given circuit the reading of voltmeter V and ameter A is:
  A)
   \[800V,\text{ }2\text{ }A\]         
  done clear
  B)
          \[300V,2\text{ }A\]                       
  done clear
  C)
          \[220V,2.2A\]                  
  done clear
  D)
          \[100V,2A\]
  done clear
  View Answer play_arrow

• question_answer92) On increasing the temperature of a gas filled in a close container by \[{{1}^{o}}C\], its pressure increases by 0.4%, initial temperature of the gas is:
  A)
   \[{{25}^{o}}C\]                                                
  done clear
  B)
          \[{{250}^{o}}C\]                              
  done clear
  C)
          \[{{250}^{o}}K\]                              
  done clear
  D)
          \[{{2500}^{o}}C\]
  done clear
  View Answer play_arrow

• question_answer93) For free expansion of van der Waals gas, the final temperature is:
  A)
   less than initial temperature
  done clear
  B)
          same as initial temperature
  done clear
  C)
          more than initial temperature
  done clear
  D)
          more or less than initial temperature
  done clear
  View Answer play_arrow

• question_answer94) depending upon nature of gas The mechanical work required to increase the unit surface area of a liquid is termed as its surface tension, when the liquid is under
  A)
   isothermal condition 
  done clear
  B)
          isobaric condition           
  done clear
  C)
          isomeric condition    
  done clear
  D)
          adiabatic condition
  done clear
  View Answer play_arrow

• question_answer95) A sphere of mass m is moving with constant velocity collides with another identical sphere at rest. The ratio of the velocities of spheres after collision will be: (e = coefficient of restitution)
  A)
  \[\frac{1-e}{1+e}\]                                         
  done clear
  B)
         \[\frac{e-1}{e+1}\]                         
  done clear
  C)
         \[\frac{1+e}{1-e}\]                                         
  done clear
  D)
         \[\frac{e+1}{e-1}\]
  done clear
  View Answer play_arrow

• question_answer96) The moment of inertia of a figure about its axis is same as its moment of inertia about a perpendicular axis, the figure is:
  A)
   bisc                                      
  done clear
  B)
          solid cylinder                    
  done clear
  C)
          ring                                      
  done clear
  D)
          spherical shell
  done clear
  View Answer play_arrow

• question_answer97) A clock P is based on a simple pendulum and another clock S is based on spring oscillations. Both the clocks run with the same speed on earth. On a planet having density same as earth but twice the radius:
  A)
   S will move faster than P
  done clear
  B)
          P will move faster than P
  done clear
  C)
          their speeds are same as that on earth
  done clear
  D)
          their speeds are same but different that on earth
  done clear
  View Answer play_arrow

• question_answer98) A body is rolling on a horizontal plane such that its rotational kinetic energy is same as its translational kinetic energy. The body is a:
  A)
   disc                                      
  done clear
  B)
          sphere                                
  done clear
  C)
          cylinder                              
  done clear
  D)
          ring
  done clear
  View Answer play_arrow

• question_answer99) Two containers of same volume are filled with molecular hydrogen and helium respectively at 1 and 2 atmospheric pressure. If the temperature of both specimen are same, then average velocity \[<{{C}_{H}}>\]of hydrogen molecules will be:
  A)
  \[<{{C}_{H}}>=\sqrt{2}<{{C}_{He}}>\]   
  done clear
  B)
         \[<{{C}_{H}}>=<{{C}_{He}}>\]   
  done clear
  C)
         \[<{{C}_{H}}>=2<{{C}_{He}}>\]       
  done clear
  D)
         \[<{{C}_{H}}>=\frac{<{{C}_{He}}>}{2}\]
  done clear
  View Answer play_arrow

• question_answer100) Who first discovered that white light consists of seven colours?
  A)
   Huygen                              
  done clear
  B)
          Raman                
  done clear
  C)
          Newton                             
  done clear
  D)
          Einestein
  done clear
  View Answer play_arrow

• question_answer101) The formation of the phenol from the phenolphthalien is called:
  A)
   Phenolphthalien reaction
  done clear
  B)
                          Reimer-Tiemanns reaction
  done clear
  C)
                          Coupling reaction
  done clear
  D)
                          Kolbes reaction
  done clear
  View Answer play_arrow

• question_answer102) The pyrolusite ore contains:
  A)
   \[Cu\]                                 
  done clear
  B)
                          \[Mn\]                                
  done clear
  C)
                          \[Zm\]                                
  done clear
  D)
                          \[Fe\]
  done clear
  View Answer play_arrow

• question_answer103) Which of the following compounds distillation with concentrated \[{{H}_{2}}S{{O}_{4}}\]gives mesitylene?
  A)
   Acetyl chloride
  done clear
  B)
                          Acetaldehyde
  done clear
  C)
                          Acetophenone 
  done clear
  D)
                          Acetone
  done clear
  View Answer play_arrow

• question_answer104) Which of the following statement is false?
  A)
   The rate of esterification of alcohols is \[{{1}^{o}}>{{2}^{o}}>{{3}^{o}}\]
  done clear
  B)
                          Catalytic oxidation of methane gives methanol
  done clear
  C)
                          All secondary alcohols give iodoform test
  done clear
  D)
                          All methyl ketones give iodoform test.
  done clear
  View Answer play_arrow

• question_answer105) Which of the following have tetrahedral shape?
  A)
   \[S{{F}_{6}}\]                   
  done clear
  B)
                          \[I{{F}_{7}}\]
  done clear
  C)
                          \[B{{F}_{3}}\]                                                   
  done clear
  D)
                                          \[C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer106) Which of the following matching is not possible?
  A)
   James Chedwick - neutron
  done clear
  B)
                          J. J. Thomson - discovery of electron
  done clear
  C)
                          Faraday - discovery of benzene
  done clear
  D)
                          Graham - law of mass action
  done clear
  View Answer play_arrow

• question_answer107) Arrange the following acids in the ascending order of their \[_{p}{{K}_{a}}\] values:

  (1) formic acid

  (2) chloroacetic acid

  (3) acetic acid

  (4) trichloroacetic acid

  A)
   \[4,2,1,3~\]                       
  done clear
  B)
                          \[4,1,2,3\]                         
  done clear
  C)
                          \[1,2,3,4\]                         
  done clear
  D)
                          \[4,3,2,1\]
  done clear
  View Answer play_arrow

• question_answer108) Which of the following compound react with aluminium ethoxide and formed a sweet smell-quid?
  A)
   Acetaldehyde                  
  done clear
  B)
                          Alcohol                               
  done clear
  C)
                          Acetone                             
  done clear
  D)
                          Ether
  done clear
  View Answer play_arrow

• question_answer109) The mole of \[{{H}^{+}}\] ion is \[{{10}^{-7}}\] in one litre water. What is the degree of ionization?
  A)
  \[1.8\times {{10}^{-7}}%\]
  done clear
  B)
  \[1.8\times {{10}^{-9}}%\]
  done clear
  C)
  \[3.6\times {{10}^{-7}}%\]
  done clear
  D)
  \[3.6\times {{10}^{-9}}%\]
  done clear
  View Answer play_arrow

• question_answer110) Which of the following is react with methyl alcohol and salt of formic acid with dilute base?
  A)
   Formaldehyde
  done clear
  B)
                          Acetone
  done clear
  C)
                          Alcohol       
  done clear
  D)
                          Ether
  done clear
  View Answer play_arrow

• question_answer111) The geometries of some complex ions are given as under:
  A)
   \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\] tetrahedral
  done clear
  B)
                          \[[Ag{{(N{{H}_{3)}}_{_{2}}]}^{+}}\]- linear
  done clear
  C)
                          \[{{[Fe{{(CN)}_{6}}]}^{4-}}\] - octahedral
  done clear
  D)
                          \[{{[Ni{{(CN)}_{4}}]}^{2-}}\] - square planar
  done clear
  View Answer play_arrow

• question_answer112) Which of the following reagents gives nitrogen on reacting with ethylamine?
  A)
   Benzoyl chloride
  done clear
  B)
                          Acetyl chloride
  done clear
  C)
                          Nitrosyi chloride
  done clear
  D)
                          Carbon disulphide
  done clear
  View Answer play_arrow

• question_answer113) Which of the following are correct match?
  A)
   \[{{(C{{H}_{3}})}_{2}}C=C{{H}_{2}}-three\,\,C\] atom \[s{{p}^{2-}}\] hybrid
  done clear
  B)
                          \[HC\equiv C-CH=C{{H}_{2}}\]all the four C atom \[s{{p}^{3}}\] hybrid
  done clear
  C)
                          \[{{(C{{H}_{3}})}_{4}}\] all C atom \[s{{p}^{3}}\] hybrid
  done clear
  D)
                          \[{{C}_{6}}{{H}_{6}}\](benzene) all C atoms \[s{{p}^{2}}\]hybrid
  done clear
  View Answer play_arrow

• question_answer114) On  the  ionization  the  complex \[CoC{{l}_{3}}.3N{{H}_{3}}\] produce:
  A)
   one \[C{{l}^{-}}\] ion    
  done clear
  B)
                          two \[C{{l}^{-}}\] ion
  done clear
  C)
                          any not \[C{{l}^{-}}\] ion
  done clear
  D)
                          three \[C{{l}^{-}}\] ion
  done clear
  View Answer play_arrow

• question_answer115) Given as: \[HF+{{H}_{2}}O\xrightarrow{ka}{{H}_{3}}{{O}^{+}}+{{F}^{-}}\] \[{{F}^{-}}+{{H}_{2}}O\xrightarrow{{{k}_{b}}}HF+O{{H}^{-}}\] Which relation is correct in the following?
  A)
   \[{{K}_{b}}=K\omega \]
  done clear
  B)
                          \[{{K}_{b}}=1/K\omega \]
  done clear
  C)
                          \[{{K}_{a}}\times {{K}_{b}}={{K}_{\omega }}\]
  done clear
  D)
                          \[Ka/{{K}_{b}}=K\omega \]
  done clear
  View Answer play_arrow

• question_answer116) The solubility products of two sparingly soluble electrolytes AB and BC are \[1\times {{10}^{-8}}\] and \[1\times {{10}^{-10}}\] respectively. Which of the following statement is correct?
  A)
   The solubility cannot be compared from these data.
  done clear
  B)
                          Solubility of AB is 10 times more than that of BC.
  done clear
  C)
                          Solubility of BC is 100 times more than that of AB.
  done clear
  D)
                          Solubility of AB is 100 times more than that of BC.
  done clear
  View Answer play_arrow

• question_answer117) The density of ice is less than that of water because:
  A)
   H bonds are not present in ice
  done clear
  B)
                          water is a polar solvent
  done clear
  C)
                          ice has clusters of molecules and its structure is three dimensional
  done clear
  D)
                          ice floats on water
  done clear
  View Answer play_arrow

• question_answer118) Which of the following show the chain isomerism?
  A)
   \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{3}}\]
  done clear
  B)
                          \[C{{H}_{3}}-C{{H}_{2}}-OH\]
  done clear
  C)
                          \[C{{H}_{2}}=CH-C{{H}_{2}}-OH\]
  done clear
  D)
                          \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-Cl\]
  done clear
  View Answer play_arrow

• question_answer119) Which of the following is not a correct match?                       
  A)
   \[C{{H}_{3}}CHO+{{I}_{2}}+NaOH\xrightarrow{{}}\]a yellow precipitate
  done clear
  B)
                          \[CHC{{l}_{3}}+HN{{O}_{3}}\to \]a war gas
  done clear
  C)
                          \[{{C}_{2}}{{H}_{5}}OH-CaOC{{l}_{2}}\to \]an anaesthetic
  done clear
  D)
                          \[CHC{{l}_{3}}+C{{H}_{3}}-\underset{\begin{smallmatrix}  || \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\to \] a solvent
  done clear
  View Answer play_arrow

• question_answer120) Which of these differ in the hybridisation?
  A)
   \[HgC{{l}_{2}}\],                             
  done clear
  B)
                          \[ZnC{{l}_{2}}\]                               
  done clear
  C)
                          \[{{C}_{2}}{{H}_{2}}\]                   
  done clear
  D)
                          \[C{{F}_{2}}C{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer121) Match list-I with list-II and select the correct set form the sets given below:

  List-I	List-II
  (A) \[N{{H}_{2}}CONHN{{O}_{2}}\]	(X) Diphenyl urea
  (B) \[N{{H}_{2}}CONHCON{{H}_{2}}\]	(Y) Nitro urea
  (C) \[N{{H}_{2}}CONHN{{H}_{2}}\]	(Z) Semi carbazide
  (D) \[{{({{C}_{6}}{{H}_{5}}NH)}_{2}}CO\]	(X)Biuret

  A)
                  A-Y         B-X         C-Z         D-X       
  done clear
  B)
                                         A-X         B-Y         C-Z         D-X
  done clear
  C)
                                         A-X         B-Z         C-Y         D-X       
  done clear
  D)
                                         A-X         B-Y         C-X         D-Z
  done clear
  View Answer play_arrow

• question_answer122) The solubility product of \[BaS{{O}_{4}}\]is\[1\times {{10}^{-12}}\]. What will be the concentration of barium ions in its saturation solution?
  A)
   \[1\times {{10}^{6}}\]
  done clear
  B)
                          \[1\times {{10}^{-6}}\]
  done clear
  C)
                          \[1\times {{10}^{12}}\]    
  done clear
  D)
                          \[1\times {{10}^{-12}}\]
  done clear
  View Answer play_arrow

• question_answer123) For an equilibrium reaction, \[{{H}_{2}}+{{I}_{2}}2HI\] the value of \[Kc=49\]at a \[{{444}^{o}}C\] temperature.  For the equilibrium reaction, \[HI\frac{1}{2}{{H}_{2}}+\frac{1}{2}{{I}_{2}}\]the value of \[{{K}_{c}}\] at this temperature is:
  A)
   \[49\]                                  
  done clear
  B)
                          \[0.143\]                            
  done clear
  C)
                          \[Erors\,0.02\]                 
  done clear
  D)
                          \[7\]
  done clear
  View Answer play_arrow

• question_answer124) The solubility \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\] is s mole. What is the solubility product of \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]?
  A)
   \[8{{s}^{3}}\]                   
  done clear
  B)
                          \[9{{s}^{2}}\]                   
  done clear
  C)
                          \[108{{s}^{5}}\]                               
  done clear
  D)
                          \[72{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer125) In which of the following pairs of oxidation states of sulphur and chromium are same?
  A)
   \[S{{O}_{2}},Cr{{O}_{4}}^{-2}\]
  done clear
  B)
                          \[S{{O}_{2}},Cr{{O}_{7}}^{-2}\]
  done clear
  C)
                          \[S{{O}_{3}},Cr{{O}_{4}}^{-2}\] 
  done clear
  D)
                          \[S{{O}_{3}}^{-2},Cr{{O}_{4}}^{-2}\]
  done clear
  View Answer play_arrow

• question_answer126) Fused sodium chloride can conduct electricity because of:
  A)
   free ions       
  done clear
  B)
                          free molecules
  done clear
  C)
                          free electrons   
  done clear
  D)
                          free atoms
  done clear
  View Answer play_arrow

• question_answer127) \[5moles\]of sulphur bum in oxygen. What does found the quantity of\[S{{O}_{2}}\]?
  A)
   \[640g\]             
  done clear
  B)
                          \[80g\]                                
  done clear
  C)
                          \[160g\]                             
  done clear
  D)
                          \[320g\]
  done clear
  View Answer play_arrow

• question_answer128) If the density of silver is \[10.8g\text{ }c{{m}^{-8}}\]then which of the following volume of an atom of silver?
  A)
   \[1.66\times {{10}^{-23}}c{{m}^{3}}\]
  done clear
  B)
                          \[1.66\times {{10}^{-20}}c{{m}^{3}}\]
  done clear
  C)
                          \[1.66\times {{10}^{-22}}c{{m}^{3}}\]
  done clear
  D)
                          \[1.66\times {{10}^{-18}}c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer129) Which of the following compound have 1 oxidation number of chlorine?
  A)
   \[C{{l}_{2}}O\]
  done clear
  B)
                          \[ICl\]                  
  done clear
  C)
                          \[HCl{{O}_{4}}\]                              
  done clear
  D)
                          \[HCl\]
  done clear
  View Answer play_arrow

• question_answer130) \[Starch\xrightarrow{A}maltose\xrightarrow{B}\text{glucose}\]\[\xrightarrow{C}ethyl\,alcohol\]. In this reaction sequence A, B and C are respectively:
  A)
   zymase, maltase, invertase
  done clear
  B)
                          diastose, maltase, zymase
  done clear
  C)
                          invertase, zymase, maltase
  done clear
  D)
                          invertase, maltase, zymase
  done clear
  View Answer play_arrow

• question_answer131) In reaction equilibrium: \[{{N}_{3}}+3{{H}_{2}}\xrightarrow{{}}2N{{H}_{3}}+22\text{ }kcal\] the highest yield of ammonia is favoured by:
  A)
   increase in temperature
  done clear
  B)
                          decrease in pressure
  done clear
  C)
                          increase in pressure
  done clear
  D)
                          addition of ammonia
  done clear
  View Answer play_arrow

• question_answer132) The pair of iso-electronic species in the following is:
  A)
   \[N{{O}_{3}}^{-}\text{, }HC{{O}_{3}}\]
  done clear
  B)
                          \[{{N}_{2}},CO\]
  done clear
  C)
                          \[N{{O}_{3}}^{-},C{{O}_{3}}^{-2}\]
  done clear
  D)
                          all of the above
  done clear
  View Answer play_arrow

• question_answer133) Which of the following is not a correct match? (1) Methane nitrile \[C{{H}_{3}}CN\] (2) Iso butyric acid \[{{(C{{H}_{3}})}_{3}}C-COOH\] (3) Crotonic acid \[C{{H}_{3}}-CH=CH-COOH\] (4) Acetonitrile \[C{{H}_{3}}-C\equiv N\]
  A)
   \[1,4\]                                 
  done clear
  B)
                          \[2,3\]                 
  done clear
  C)
                          \[1,3\]                                 
  done clear
  D)
                          \[2,4\]
  done clear
  View Answer play_arrow

• question_answer134) Which of the following test gives blue colour with s-butyl alcohol:
  A)
   By iodoform test
  done clear
  B)
                          By Victor Mayors test
  done clear
  C)
                          By chloroform test
  done clear
  D)
                          None
  done clear
  View Answer play_arrow

• question_answer135) On which of the following addition of the Grignard reagent:
  A)
   
  done clear
  B)
                          \[-C\equiv N\]
  done clear
  C)
                          
  done clear
  D)
                          all of the above
  done clear
  View Answer play_arrow

• question_answer136) Which of the following is not a correct match?
  A)
  Rock salt- \[NaCl\]
  done clear
  B)
                          Food soda -\[N{{a}_{2}}C{{O}_{3}}.10{{H}_{2}}O\]
  done clear
  C)
                          Soda ash - \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  D)
                          Caustic soda - \[NaOH\]
  done clear
  View Answer play_arrow

• question_answer137) The number of isomers of the compound of molecular formula \[{{C}_{2}}{{H}_{5}}B{{r}_{2}}\] is:
  A)
  \[3\]                                     
  done clear
  B)
                         \[4\]                     
  done clear
  C)
                         \[2\]                                     
  done clear
  D)
                         \[5\]
  done clear
  View Answer play_arrow

• question_answer138) The primary amine can be easily tested by its reaction with the following:
  A)
   alkyl chloride
  done clear
  B)
                          chloride
  done clear
  C)
                          acetyl chloride
  done clear
  D)
                          chloroform and base
  done clear
  View Answer play_arrow

• question_answer139) The melting point of \[SnC{{l}_{2}}\]is less than that of \[SnC{{l}_{4}}\]. The reason is:
  A)
   higher positive charge on \[S{{n}^{4+}}\]
  done clear
  B)
                          higher ionic potential of  \[S{{n}^{4+}}\]       
  done clear
  C)
                          tetrahedral structure of \[SnC{{l}_{4}}\]
  done clear
  D)
                          size of \[S{{n}^{4+}}\] is smaller than that of \[S{{n}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer140) The LU.P.A.C. name of \[\underset{CH=CH-COOH}{\overset{C{{H}_{2}}-COOH}{\mathop{|}}}\,\]is:
  A)
   2-pentene-1, 5 di oic acid
  done clear
  B)
                          4-pentene-1, 5 di oic acid               
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          None
  done clear
  View Answer play_arrow

• question_answer141) Nitroso amine \[+\] phenol \[\xrightarrow{conc.\,{{H}_{2}}S{{O}_{4}}}\]red or brown colour \[\xrightarrow{base}\] blue or violet. The name of this reaction is:
  A)
   Lucas test
  done clear
  B)
                          Coupling reaction
  done clear
  C)
                          Ledrer- Mannase reaction
  done clear
  D)
                          Libermann nitroso reaction
  done clear
  View Answer play_arrow

• question_answer142) Which of the following reagent used in the difference between methanol and ethanol?
  A)
   \[{{I}_{2}}+NaOH\]
  done clear
  B)
                          Schiff reagent
  done clear
  C)
                          Cromic acid    
  done clear
  D)
                          Lucas test
  done clear
  View Answer play_arrow

• question_answer143) Which of the element has very low ionization potential:
  A)
  \[F\]                     
  done clear
  B)
                         \[H\]                     
  done clear
  C)
                         \[Cl\]                    
  done clear
  D)
                         \[Fr\]
  done clear
  View Answer play_arrow

• question_answer144) Ethene and ethyne can be distinguished by the reaction with:
  A)
   anhydrous \[ZnC{{l}_{2}}+\] cone. \[{{H}_{2}}S{{O}_{4}}\]
  done clear
  B)
                          dilute alkaline \[KMn{{O}_{4}}\]
  done clear
  C)
                          iodine and \[NaOH\]
  done clear
  D)
                          ammonical cuprous chloride
  done clear
  View Answer play_arrow

• question_answer145) The \[_{p}{{K}_{a}}\] values for the dissociation of carbonic acid, acetic acid and formic acid are respectively  \[6.3,4.74,\] and \[3.62\]. Which of the following statement is wrong?
  A)
   Acetic acid is weakest in all three
  done clear
  B)
                          Formic acid is strongest in all the three
  done clear
  C)
                          Carbonic acid is strongest in all the three
  done clear
  D)
                          Acetic acid is weaker than carbonic acid
  done clear
  View Answer play_arrow

• question_answer146) How many \[\sigma \] bond and \[\pi \] bond has this structures? \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{2}}-\underset{CH-C{{H}_{3}}}{\mathop{\underset{||}{\mathop{C}}\,}}\,H\]
  A)
   \[5\sigma ,\,1\pi \]                                        
  done clear
  B)
                          \[17\sigma ,\,1\sigma \]                              
  done clear
  C)
                          \[17\sigma ,\,1\pi \]                      
  done clear
  D)
                          \[1\sigma ,\,5\pi \]
  done clear
  View Answer play_arrow

• question_answer147) In which acid has not \[-COOH\]group?
  A)
   Lactic acid     
  done clear
  B)
                          Succinic acid
  done clear
  C)
                          Carbonic acid  
  done clear
  D)
                          Barbituric acid
  done clear
  View Answer play_arrow

• question_answer148) The I.U.RA.C. name of acetone is:
  A)
   2-propanon    
  done clear
  B)
                          2-propanal
  done clear
  C)
                          2-butanon     
  done clear
  D)
                          2-propanol
  done clear
  View Answer play_arrow

• question_answer149) Which of the following statements is correct?
  A)
   Electron emits energy in the transition from higher energy level to lower energy level
  done clear
  B)
                          Electron emits energy spontaneously in its ground state.
  done clear
  C)
                          Electron cannot fall in the nucleus from third energy level
  done clear
  D)
                          Electron absorbs energy in the transition from lower energy level to higher energy level
  done clear
  View Answer play_arrow

• question_answer150) Which of the following compound gives halo form reaction?
  A)
   \[C{{H}_{3}}COOH\]    
  done clear
  B)
                          \[C{{H}_{3}}CHO\]
  done clear
  C)
                          Both above    
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer151) Which of the following expressions is not applicable on the hydrolysis equilibrium? \[N{{H}_{4}}^{+}+{{H}_{2}}ON{{H}_{4}}OH+{{H}^{+}}\]
  A)
   \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{b}}}\]
  done clear
  B)
                          \[[{{H}^{+}}]=\sqrt{\frac{{{K}_{\omega }}\times C}{{{K}_{b}}}}\]
  done clear
  C)
                          \[h=\sqrt{\frac{{{K}_{\omega }}}{{{K}_{b}}\times C}}\]
  done clear
  D)
                          \[pH=\frac{1}{2}{{\,}_{p}}{{K}_{a}}(N{{H}_{4}}OH)\]
  done clear
  View Answer play_arrow

• question_answer152) A carbonyl compound (X) reacts with \[HCN\] to give a compound (V). The product (Z) obtained by the hydrolysis of compound (Y) shows optical isomerism and also gives iodoform test. Compound (X)is:
  A)
   \[HCHO\]        
  done clear
  B)
                          \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  C)
                          \[C{{H}_{3}}CHO\]    
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer153) Which of the following is not correct?
  A)
   \[s{{p}^{2}}\]-trigonal planar
  done clear
  B)
                          \[s{{p}^{3}}\]-trigonal bipyramidal
  done clear
  C)
                          \[s{{p}^{3}}\]-trigonal
  done clear
  D)
                          \[s{{p}^{3}}{{d}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer154) The indicator for the iodine titration is:
  A)
   phenophthaline
  done clear
  B)
                          galactose
  done clear
  C)
                          cellulose       
  done clear
  D)
                          starch
  done clear
  View Answer play_arrow

• question_answer155) \[3A+B2C\] what is K for this system:
  A)
   \[\frac{[C]}{[3A][B]}\]
  done clear
  B)
                          \[\frac{[C]}{{{[A]}^{3}}\times [B]}\]
  done clear
  C)
                          \[\frac{{{[C]}^{2}}}{{{[A]}^{3}}\times [B]}\]
  done clear
  D)
                          \[\frac{[3A]\times [B]}{[2C]}\]
  done clear
  View Answer play_arrow

• question_answer156) Which of the following reaction generally shown by alkenes and alkynes?
  A)
   Electrophilic addition
  done clear
  B)
                          Nucleophilic addition
  done clear
  C)
                          Free radical substitution
  done clear
  D)
                          Electrophilic substitution
  done clear
  View Answer play_arrow

• question_answer157) Which of the following sets is correct?
  A)
   \[n=3,l=2,\,m=-1,\,s=-\frac{1}{2}\]
  done clear
  B)
                          \[n=3,l=2,\,m=-3,\,s=+\frac{1}{2}\]
  done clear
  C)
                          \[n=3,l=3,\,m=0,\,s=+\frac{1}{2}\]
  done clear
  D)
                          \[n=3,l=3,\,m=-3,\,s=-\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer158) The product of the reaction of hydrazine with ethyl acetate:
  A)
   \[C{{H}_{3}}COONHN{{H}_{2}}\]
  done clear
  B)
                          \[C{{H}_{3}}COHN-NHCOC{{H}_{3}}\]
  done clear
  C)
                          \[C{{H}_{3}}CONHN{{H}_{2}}\]
  done clear
  D)
                          \[C{{H}_{3}}CON{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer159) The thin layer of which of the following is deposited in the galvanized iron?
  A)
   White lead     
  done clear
  B)
                          Zinc
  done clear
  C)
                          Tin            
  done clear
  D)
                          Aluminium
  done clear
  View Answer play_arrow

• question_answer160) When the ketone react with hydrogen at \[{{160}^{o}}C\]and formed alkane this reaction is known as:
  A)
   Witting reaction
  done clear
  B)
                          Wolff Kishner reaction
  done clear
  C)
                          Jijal method
  done clear
  D)
                          Wurtz-fitting reaction
  done clear
  View Answer play_arrow

• question_answer161) The energy of sub-shells increases with the:
  A)
   increase of spin quantum number
  done clear
  B)
                          increase of azimuthal quantum no.
  done clear
  C)
                          increase of principal quantum no.
  done clear
  D)
                          increase of principal and azimuthal quantum number both
  done clear
  View Answer play_arrow

• question_answer162) Which one of the following reaction is different than the others?
  A)
   \[Mg\xrightarrow{{}}M{{g}^{++}}+2{{e}^{-}}\]
  done clear
  B)
                          \[F{{e}^{2+}}\xrightarrow{{}}F{{e}^{3+}}+3{{e}^{-}}\]
  done clear
  C)
                          \[S+2{{e}^{-}}\xrightarrow{{}}{{S}^{-\,\,-}}\]
  done clear
  D)
                          \[S{{n}^{4}}+2e\xrightarrow{{}}S{{n}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer163) Which of the following shows diagonal relation?
  A)
   Element of first period
  done clear
  B)
                          Element of second period
  done clear
  C)
                          Element of third period
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer164) The I.U.P.A.C name of this compound \[\underset{\begin{smallmatrix}  | \\  CN \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  CN \end{smallmatrix}}{\mathop{C}}\,H-\underset{\begin{smallmatrix}  | \\  CN \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}\]
  A)
   1, 2, 3 tricyano propane
  done clear
  B)
                          3-cyano-l, 5 pentane dinitrile
  done clear
  C)
                          1, 2, 3-cyano propane
  done clear
  D)
                          1, 2, 3-propane trinitrite
  done clear
  View Answer play_arrow

• question_answer165) Which of the following compounds is formed by the reaction of propyne with \[{{H}_{2}}S{{O}_{4}}\] and mercuric ions?
  A)
   Propanal      
  done clear
  B)
                          2-propanal
  done clear
  C)
                          Propanone     
  done clear
  D)
                          Propane diol
  done clear
  View Answer play_arrow

• question_answer166) Which of the following statements is false?
  A)
   1-alkynes do not show geometrical isomerism
  done clear
  B)
                          \[\alpha \]-butylene and isopropyl alcohol are not position isomers
  done clear
  C)
                          Alcohols and ethers with same molecular weight are functional group isomers
  done clear
  D)
                          \[\alpha \]-butylene is a chain isomers of isobutylene
  done clear
  View Answer play_arrow

• question_answer167) Acetaldehyde  is obtained by the ozonolysis of the following alkene:
  A)
   propene       
  done clear
  B)
                          isobutylene
  done clear
  C)
                          2-butene       
  done clear
  D)
                          1-butene
  done clear
  View Answer play_arrow

• question_answer168) Metal exists in the following form after calcination:
  A)
   as sulphide    
  done clear
  B)
                          as carbonate
  done clear
  C)
                          hydrated oxide
  done clear
  D)
                          an oxide
  done clear
  View Answer play_arrow

• question_answer169) Decreasing order of an electron affinity of halogen is:
  A)
   \[Cl>Br>F>I~\]
  done clear
  B)
                          \[Cl>F>Br>I\]
  done clear
  C)
                          \[Br>Cl>F>I~\]
  done clear
  D)
                          \[F>Cl>Br>I\]
  done clear
  View Answer play_arrow

• question_answer170) The reaction of ether with cold \[HI\] is called:
  A)
   Zerewiriknoff method
  done clear
  B)
                          Ziesels method
  done clear
  C)
                          Williamsons synthesis
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer171)  In the above reaction the intermediate species are:
  A)
   \[{{C}_{6}}{{H}_{5}}{{O}^{-}}\] and : \[CHCl\]
  done clear
  B)
                          \[{{C}_{6}}{{H}_{5}}{{O}^{-}}\]-and: \[C{{H}_{2}}\]
  done clear
  C)
                          \[{{C}_{6}}{{H}_{5}}{{O}^{-}}\] and: \[CC{{l}_{3}}\]
  done clear
  D)
                          phenoxide ion and dichloro carbine
  done clear
  View Answer play_arrow

• question_answer172) The gas produced by the reaction acetamide with aqueous alkali is:
  A)
   \[C{{O}_{2}}\]                  
  done clear
  B)
                          \[NO\]                
  done clear
  C)
                          \[{{N}_{2}}\]                    
  done clear
  D)
                          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer173) Methyl orange shows the following colour in alkaline medium:
  A)
   yellow         
  done clear
  B)
                          colourless
  done clear
  C)
                          orange         
  done clear
  D)
                          red
  done clear
  View Answer play_arrow

• question_answer174) All are polymer except:
  A)
   teflon
  done clear
  B)
                          orlon
  done clear
  C)
                          nylon
  done clear
  D)
                          phorone
  done clear
  View Answer play_arrow

• question_answer175) The correct sequence of the stability of carbocation is:
  A)
   \[{{3}^{o}}<{{2}^{o}}>1{}^\circ >C{{H}_{3}}\]
  done clear
  B)
                          \[{{3}^{o}}<\text{ }{{2}^{o}}\text{ }{{1}^{o}}<C{{H}_{3}}\]
  done clear
  C)
                          \[{{3}^{o}}<{{2}^{o}}>{{1}^{o}}<C{{H}_{3}}\]
  done clear
  D)
                          \[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}>C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer176)  The degree of ionization in weak electrolyte is directly proportional to the following:
  A)
   volume (V)    
  done clear
  B)
                          concentration (C)
  done clear
  C)
                          both above    
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer177) The density of Na greater than \[K\]. The reason is:
  A)
   there are eight electrons in third shell of \[K\]
  done clear
  B)
                          the size of \[Na\] is shorter than \[K\]
  done clear
  C)
                          ionization potential of \[Na\] is lesser than \[K\]
  done clear
  D)
                          Atomic wt. of \[K\] is more than of \[Na\]
  done clear
  View Answer play_arrow

• question_answer178) Vinegar is:
  A)
   8-10% acetic acid
  done clear
  B)
                          6-10% ethyl alcohol
  done clear
  C)
                          10% formic acid
  done clear
  D)
                          glacial acetic acid
  done clear
  View Answer play_arrow

• question_answer179) Which of following product obtained by the reaction between nitrobenzene and \[Zn/N{{H}_{4}}C{{l}^{-}}\]?
  A)
   Ammo phenol
  done clear
  B)
                          Nitroso benzene
  done clear
  C)
                          Phenyl hydroxyl amine
  done clear
  D)
                          Azobenzene
  done clear
  View Answer play_arrow

• question_answer180) Water gas is a mixture of:
  A)
   \[1mole\,\,CO+1mole\,{{H}_{2}}\]
  done clear
  B)
                          \[1\text{ }mole\text{ }CO+\text{ }1\text{ }mole\]water vapour
  done clear
  C)
                          \[1\,\,moleCO+1\,mole\,{{H}_{2}}\]
  done clear
  D)
                          \[2\,mole\,CO+1mole\,{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer181) \[Ar-CON{{H}_{2}}\xrightarrow{B{{r}_{2}}+KOH}ArN{{H}_{2}}\] The above reaction is:
  A)
   Hoffmann-martius rearrangement
  done clear
  B)
                          Haffmann carbylamine reaction
  done clear
  C)
                          Haffmann mustard oil reaction
  done clear
  D)
                          Haffmann bromide reaction
  done clear
  View Answer play_arrow

• question_answer182) \[Aniline\xrightarrow[{{150}^{o}}C]{conc.\,\,{{H}_{2}}S{{O}_{4}}}\text{ }A\]. The product A is:
  A)
   aniline sulphate
  done clear
  B)
                          sulphonic acid
  done clear
  C)
                          sulphanilic acid
  done clear
  D)
                          o-amino benzene sulphonic acid
  done clear
  View Answer play_arrow

• question_answer183) \[C{{H}_{3}}MgBr+A\xrightarrow{{}}B\xrightarrow{{{H}_{2}}O/{{H}^{+}}}\] \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}OH\] In the above reaction sequence A is:
  A)
   \[C{{H}_{3}}CHO\]
  done clear
  B)
                          \[{{(C{{H}_{3}})}_{2}}CO\]
  done clear
  C)
                          \[{{(C{{H}_{2}})}_{2}}O\]
  done clear
  D)
                          \[C{{H}_{3}}C{{H}_{2}}CHO\]
  done clear
  View Answer play_arrow

• question_answer184) If pH = 8 then what is the value of \[[{{H}^{+}}]\] and which type solution found:
  A)
   \[{{10}^{-8}}\]basic       
  done clear
  B)
                           \[0.00001\]basic
  done clear
  C)
                          \[{{10}^{-8}}\]acidic      
  done clear
  D)
                          \[0.00001\]acidic
  done clear
  View Answer play_arrow

• question_answer185) The set of transition ions which have same magnetic moment is:
  A)
   \[C{{u}^{+2}},\,F{{e}^{+2}}\]
  done clear
  B)
                          \[M{{n}^{+2}},T{{i}^{+2}}\]
  done clear
  C)
                          \[M{{n}^{+2}},F{{e}^{+3}}\]
  done clear
  D)
                          \[C{{u}^{+2}},F{{e}^{+3}}\]
  done clear
  View Answer play_arrow

• question_answer186) The wavelength of all the spectral lines of H atom can be given by the following expression:
  A)
   \[\frac{1}{\lambda }=R\left( \frac{1}{{{n}_{1}}^{2}}-\frac{1}{{{n}_{2}}^{2}} \right)\]
  done clear
  B)
                          \[\frac{1}{\lambda }=R\left( \frac{1}{{{n}_{2}}^{2}}-\frac{1}{{{n}_{1}}^{2}} \right)\]
  done clear
  C)
                          \[\frac{1}{\lambda }=R{{\left( \frac{1}{{{n}_{1}}}-\frac{1}{{{n}_{2}}} \right)}^{2}}\]
  done clear
  D)
                          \[\frac{1}{\lambda }=R{{\left( \frac{1}{{{n}_{2}}}-\frac{1}{{{n}_{1}}} \right)}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer187) Which is the main constituent of Nilam?
  A)
   \[A{{l}_{2}}{{O}_{3}}\]
  done clear
  B)
                          \[A{{g}_{2}}O\]                               
  done clear
  C)
                          \[C{{u}_{2}}O\]                               
  done clear
  D)
                          \[MnO\]
  done clear
  View Answer play_arrow

• question_answer188) The formula of potash alum is:
  A)
   \[{{K}_{2}}S{{O}_{4}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\]
  done clear
  B)
                          \[{{K}_{3}}[CO{{(N{{O}_{2}})}_{6}}]\]
  done clear
  C)
                          \[{{K}_{2}}S{{O}_{4}}.C{{r}_{2}}{{(S{{O}_{4}})}_{3}}.24{{H}_{2}}O\]
  done clear
  D)
                          \[KH{{F}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer189) The relation between solubility and solubility product is:
  A)
   solubility product \[={{(solubility)}^{2}}\]
  done clear
  B)
                          solubility product = \[=\sqrt{solubility}\]
  done clear
  C)
                          solubility product \[=1/solubility\]
  done clear
  D)
                          solubility product = solubility
  done clear
  View Answer play_arrow

• question_answer190) The oxidation number of nitrogen in \[N{{H}_{4}}\]and \[N{{O}_{3}}\]is:
  A)
   \[+3\]         
  done clear
  B)
                          \[-3\] and \[+5\]
  done clear
  C)
                          \[+5\]            
  done clear
  D)
                          \[+3\]and \[-5\]
  done clear
  View Answer play_arrow

• question_answer191) In ail equilibrium reaction \[A\xrightarrow{{}}2B+C\]the degree of dissociation of A is an initially one mole of a is taken then number of total moles at equilibrium:
  A)
   \[1-2a\]                              
  done clear
  B)
                          \[1-a\]                
  done clear
  C)
                          \[1+2a\]                             
  done clear
  D)
                          \[1+a\]
  done clear
  View Answer play_arrow

• question_answer192) Benzene reacts with chlorine in the presence of UV-light to give:
  A)
   1, 3, 5 trichlorobenzene
  done clear
  B)
                          chlorobenzene
  done clear
  C)
                          hexachloro cyclohexane
  done clear
  D)
                          hexa chlorobenzene
  done clear
  View Answer play_arrow

• question_answer193) Which of the following is not a correct match?
  A)
   Fools gold \[(Fe{{S}_{2}})\]
  done clear
  B)
                          Philosphers wool \[ZnO\]
  done clear
  C)
                          Calomel \[H{{g}_{2}}C{{l}_{2}}\]
  done clear
  D)
                          Lunar caustic \[AgCl\]
  done clear
  View Answer play_arrow

• question_answer194) In which of the following the dipole moment is zero?
  A)
   \[{{H}_{2}}{{O}_{2}}\]                  
  done clear
  B)
                          \[C{{O}_{2}}\]                  
  done clear
  C)
                          \[S{{O}_{2}}\]                                  
  done clear
  D)
                          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer195) The electronic configuration of \[Na\] is\[2,8,1\]. How many proton and electron of it?
  A)
   \[11,11\]                            
  done clear
  B)
                          \[2,3\]                 
  done clear
  C)
                          \[5,2\]                                 
  done clear
  D)
                          \[3,5\]
  done clear
  View Answer play_arrow

• question_answer196) The uses of carbon tetra chloride is:
  A)
   industrial solvent and fire extinguisher
  done clear
  B)
                          Coolent and fire extinguisher
  done clear
  C)
                          Anaesthetic and Antiseptics
  done clear
  D)
                          Antiseptics and laboratory solvent
  done clear
  View Answer play_arrow

• question_answer197) Which of the following is colourless and smellness?
  A)
   \[C{{H}_{3}}NC\]            
  done clear
  B)
                          \[C{{H}_{3}}NC\]            
  done clear
  C)
                          \[C{{H}_{3}}I\]                 
  done clear
  D)
                          \[C{{F}_{2}}C{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer198) \[X+Y\xrightarrow{\Delta }HCOOH\xrightarrow{{{H}_{2}}S{{O}_{4}}/\Delta },L+M\] X, V, L, M are respectively:
  A)
   \[C{{O}_{2}},{{H}_{2}}O,C{{O}_{2}},{{H}_{2}}\]
  done clear
  B)
                          \[CO,{{H}_{2}}O,CO,{{H}_{2}}O\]
  done clear
  C)
                          \[CO,{{H}_{2}}O,C{{O}_{2}},{{H}_{2}}O\]
  done clear
  D)
                          \[C{{O}_{2}},{{H}_{2}}O,CO,{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer199) \[NaCl\] is a compound:
  A)
   covalent       
  done clear
  B)
                          co-ordinate valent
  done clear
  C)
                          electro valent   
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer200) The Bronsted base is: In this reaction, \[H{{C}_{2}}{{O}_{4}}+P{{O}_{4}}^{3-}HP{{O}_{4}}^{2-}+{{C}_{2}}{{O}_{4}}^{2-}\]
  A)
   \[H{{C}_{2}}{{O}_{4}}^{-},HP{{O}_{4}}^{2-}\]
  done clear
  B)
                          \[P{{O}_{4}}^{3-},HP{{O}_{4}}^{2-}\]
  done clear
  C)
                          \[P{{O}_{4}}^{3-},{{C}_{2}}{{O}_{4}}^{2-}\] 
  done clear
  D)
                          \[H{{C}_{2}}{{O}_{4}}^{-},{{C}_{2}}{{O}_{4}}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer201) The association between Hydra and too zoo chlorelles are:
  A)
   commensalism                
  done clear
  B)
               symbiosis
  done clear
  C)
               parasitism
  done clear
  D)
                                      saprophytic
  done clear
  View Answer play_arrow

• question_answer202) Which one is Devil fish?
  A)
               Rhinobates
  done clear
  B)
                                      Octopus
  done clear
  C)
               Sepia                                       
  done clear
  D)
               Giant squid
  done clear
  View Answer play_arrow

• question_answer203) Pernicious  anaemia  is caused by deficiency of:
  A)
               folic acid                                 
  done clear
  B)
               retinol
  done clear
  C)
               cyanocobalamine               
  done clear
  D)
               biotin
  done clear
  View Answer play_arrow

• question_answer204) Amoeba lack:
  A)
               centrosome                         
  done clear
  B)
               mitochondria
  done clear
  C)
               ribosome                               
  done clear
  D)
               E.R.
  done clear
  View Answer play_arrow

• question_answer205) Liver of Rabbit secretes:
  A)
               cholesterol                           
  done clear
  B)
               bile pigment
  done clear
  C)
               bile salt                                   
  done clear
  D)
               all of the above
  done clear
  View Answer play_arrow

• question_answer206) Middle ear protects the internal ear from. high sound waves :
  A)
               by the reflex action of tenser tympani and stapes muscle
  done clear
  B)
               by pulling inside malleus and tympanic membrane
  done clear
  C)
               by pulling outside the stapes and basal plates
  done clear
  D)
               all of the above
  done clear
  View Answer play_arrow

• question_answer207) Normally creatine is absent in urine of:
  A)
               pregnant female                
  done clear
  B)
               healthy man
  done clear
  C)
               starving man        
  done clear
  D)
               lactating mothers
  done clear
  View Answer play_arrow

• question_answer208) What is the function of hydrostatic skeleton?            
  A)
               Locomotion                          
  done clear
  B)
               Climbing
  done clear
  C)
               Looping    
  done clear
  D)
                                      Somersalt
  done clear
  View Answer play_arrow

• question_answer209) E.R. is non-continuous with:
  A)
               nuclear membrane           
  done clear
  B)
               plasm a lemma
  done clear
  C)
               golgibody                              
  done clear
  D)
               mitochondria
  done clear
  View Answer play_arrow

• question_answer210) A statement which is false for eyes in resting state?
  A)
               Eyes are focused at placed objects
  done clear
  B)
               Hyes are focused at nearly objects
  done clear
  C)
               Cilliary muscles are relaxed
  done clear
  D)
               Suspensory ligaments are connected
  done clear
  View Answer play_arrow

• question_answer211) Which one is poisonous Lizard?
  A)
               Flying Lizard                          
  done clear
  B)
               Granular Lizard
  done clear
  C)
               Sand Lizard                           
  done clear
  D)
               Bedod Lizard
  done clear
  View Answer play_arrow

• question_answer212) Concentration and pressure of CO in the alveoli of lungs in human beings is :
  A)
               1.0% and 0.7 mm Hg
  done clear
  B)
               0.4% and 0.4 mm Hg
  done clear
  C)
               2 to 7% and 0.4 mm Hg
  done clear
  D)
               0.3 and 0.4 mm Hg
  done clear
  View Answer play_arrow

• question_answer213) At which cell stage a blastula can be implanted in uterus in test tube baby development?
  A)
               16 cell                      
  done clear
  B)
   64 cell
  done clear
  C)
               128 cell                   
  done clear
  D)
               32 cell
  done clear
  View Answer play_arrow

• question_answer214) Depression in Hydra is responsible for:
  A)
               death                                      
  done clear
  B)
               rejuvenation
  done clear
  C)
                      budding                                 
  done clear
  D)
               none of these
  done clear
  View Answer play_arrow

• question_answer215) In RNA sample which one is found:
  A)
               A = T and C = G                    
  done clear
  B)
               A = U and C = G
  done clear
  C)
               Purine = pyrimidine          
  done clear
  D)
              A # U # C # G
  done clear
  View Answer play_arrow

• question_answer216) Which character of inorganic catalyst does not resemble enzymes ?
  A)
               catalytic property               
  done clear
  B)
               temperature specicity
  done clear
  C)
               colloidal state                      
  done clear
  D)
               reversible reaction
  done clear
  View Answer play_arrow

• question_answer217) Which statement is incorrect for Hydra?            
  A)
               Nematocyst present
  done clear
  B)
               It is of phylum Cnideria
  done clear
  C)
               Physiological division of labour present
  done clear
  D)
               They arc hermaphrodite
  done clear
  View Answer play_arrow

• question_answer218) One molecule of glucose releases energy :            
  A)
               68600 kcal                              
  done clear
  B)
               686000 kcal
  done clear
  C)
               6860000 kcal         
  done clear
  D)
               786000 kcal
  done clear
  View Answer play_arrow

• question_answer219) Which disorder is more common due to protein deficiency?            
  A)
               Paralysis                                 
  done clear
  B)
               Rickets
  done clear
  C)
               Osteomalacia       
  done clear
  D)
               Kwashiorkor
  done clear
  View Answer play_arrow

• question_answer220) Which of the following pairs is wrong?
  A)
               Vitamin D-fats
  done clear
  B)
               Pectin-protein
  done clear
  C)
               Heparin-polysaccharides
  done clear
  D)
               Chi tin-carbohydrate                
  done clear
  View Answer play_arrow

• question_answer221) Which hormone acts opposite to the parathormone?
  A)
               Corticosteron      
  done clear
  B)
               Thyrocalcitonin
  done clear
  C)
               Thyroxine 
  done clear
  D)
                                      Mineral ocorticoids
  done clear
  View Answer play_arrow

• question_answer222) In an egg of Frog is divided in a way that one part has animal hemisphere and another part is deficient in that then:
  A)
               only animal hemisphere region forms embryo                          
  done clear
  B)
               both the sites form embryo
  done clear
  C)
               embryo is not formed from any region
  done clear
  D)
               animal hemisphere deficient region forms the embryo
  done clear
  View Answer play_arrow

• question_answer223) Which of the following is not a part of corpus callosum?
  A)
               Fornix                                     
  done clear
  B)
               Crura cerebri
  done clear
  C)
               Zenue       
  done clear
  D)
                                      Splengion
  done clear
  View Answer play_arrow

• question_answer224) What is not a function of para sympathetic nervous system?
  A)
               Dilation of eye pupil
  done clear
  B)
               To decrease the neart beat
  done clear
  C)
               To dilate the blood vessel
  done clear
  D)
               To relax anal muscles
  done clear
  View Answer play_arrow

• question_answer225) Basic unit of classification is:
  A)
               series                                      
  done clear
  B)
   genus
  done clear
  C)
               class                         
  done clear
  D)
                      species
  done clear
  View Answer play_arrow

• question_answer226) Sequential and regular conversion of zygote into ail animal is known as:
  A)
               transformation   
  done clear
  B)
               genetic characters
  done clear
  C)
               embryonic induction        
  done clear
  D)
               stimulation
  done clear
  View Answer play_arrow

• question_answer227) Role of chromophill cells of Earthworm pharynx is:
  A)
               fat storage                            
  done clear
  B)
               helps in excretion
  done clear
  C)
               cocoon formation              
  done clear
  D)
               saliva secretion
  done clear
  View Answer play_arrow

• question_answer228) Which muscle pulls the leg in Rabbit?
  A)
               extensor muscle
  done clear
  B)
               abductor muscle
  done clear
  C)
               aductor muscle   
  done clear
  D)
   flexor muscle
  done clear
  View Answer play_arrow

• question_answer229) Bud develops in an adult Hydra:
  A)
               1-2 hrs.     
  done clear
  B)
                                      3-4 hrs
  done clear
  C)
               12 days     
  done clear
  D)
                          2-4 days
  done clear
  View Answer play_arrow

• question_answer230) Study the following cells of Hydra?             (1) nerve cells                                    (2) sensory cells             (3) nematocyst                                 (4) gastrodermal cells            
  A)
                           only 2     
  done clear
  B)
                                      only 1
  done clear
  C)
              1 and 2  
  done clear
  D)
                                      3 and 4
  done clear
  View Answer play_arrow

• question_answer231) The area where brown fats are maximum in infant neck will have more :            
  A)
               Golgi bodies
  done clear
  B)
                                      Mitochondria
  done clear
  C)
               Chromophill                         
  done clear
  D)
               Smooth E.R.
  done clear
  View Answer play_arrow

• question_answer232) The average life span of Ascnris in host body is:            
  A)
               1 month   
  done clear
  B)
                                      6 to 12 weeks
  done clear
  C)
               6 to 12 months    
  done clear
  D)
               4 to 6 months
  done clear
  View Answer play_arrow

• question_answer233) What occurs in gastrulation ?
  A)
               Division of zygote
  done clear
  B)
               Formation of blastocoel
  done clear
  C)
               Epiboly and emboly takes place
  done clear
  D)
               Disappearance of archenteron
  done clear
  View Answer play_arrow

• question_answer234) Which endocrine gland called..., secretes             calcitonin hormone which regulates the \[C{{a}^{++}}\] in blood by:
  A)
               thyroid-reduction in \[C{{a}^{++}}\] concentration
  done clear
  B)
               thyroid-increase in \[C{{a}^{++}}\] concentration
  done clear
  C)
               parathyroid-increases in \[C{{a}^{++}}\]concentration
  done clear
  D)
               parathyroid-reduction in \[C{{a}^{++}}\] concentration
  done clear
  View Answer play_arrow

• question_answer235) Which one is not a character of Prototheria ?
  A)
               Mammary glands devoid of teats
  done clear
  B)
               Presence of teeth in embryo
  done clear
  C)
               Testes in scrotum              
  done clear
  D)
               Beak in adults
  done clear
  View Answer play_arrow

• question_answer236) Which of the following is not produced from mesoderm?
  A)
               Blood                                      
  done clear
  B)
               Adrenal medulla
  done clear
  C)
               Heart        
  done clear
  D)
                                      Adrenal cortex
  done clear
  View Answer play_arrow

• question_answer237) Secretion of ilium mucose which stimulate the pancrease and liver:
  A)
               enterogastrone and enterokinin
  done clear
  B)
               secretin and enterogastrone
  done clear
  C)
               cholecystokinin and enterokinin
  done clear
  D)
               all of these
  done clear
  View Answer play_arrow

• question_answer238) Sperms get fertilization ability when they come in contact with vaginal fluid reactions is:
  A)
               acrosome reaction
  done clear
  B)
               cortical reaction
  done clear
  C)
               capacitation
  done clear
  D)
               fertilizing and antifertilizing reaction
  done clear
  View Answer play_arrow

• question_answer239) Which statement is not true for Ascaris?
  A)
               The incidence of Ascaris is more in children
  done clear
  B)
               Ascaris does not produce toxic substance
  done clear
  C)
               Upto 5, 000 Ascaris can be recorded in      intestine
  done clear
  D)
               Invenitics prove to be more harmful than the adults
  done clear
  View Answer play_arrow

• question_answer240) Ascaris causes weakness because :            
  A)
               parasites ingest protein component of the food
  done clear
  B)
               parasites products toxic substances hindering enzyme activity
  done clear
  C)
               carbohydrate digestion is affected due to toxic substances produced
  done clear
  D)
               none of the above
  done clear
  View Answer play_arrow

• question_answer241) Which of the following one is not a snake?
  A)
               Rattle snake                         
  done clear
  B)
               Rat snake
  done clear
  C)
               Glass snake                          
  done clear
  D)
               Blind snake
  done clear
  View Answer play_arrow

• question_answer242) Lubb-dup sound in heart arises due to:
  A)
               opening of semilunar, bicuspid and tricuspid valves
  done clear
  B)
               closure of semilunar, bicuspid and tricuspid valves
  done clear
  C)
               opening of tricuspid and bicuspid valves
  done clear
  D)
               closure of bicuspid and tricuspid valves
  done clear
  View Answer play_arrow

• question_answer243) Which action is not performed by HCL during digestion?
  A)
               Destruction of bacteria
  done clear
  B)
               Continuation of salivary amylase action
  done clear
  C)
               Protection from food population
  done clear
  D)
               Bone dissolvement       
  done clear
  View Answer play_arrow

• question_answer244) What is correct for mitochondria?
  A)
               They can replicate themselves
  done clear
  B)
               They can increase shape and size
  done clear
  C)
               Both a and b are correct
  done clear
  D)
               Both a and b are incorrect
  done clear
  View Answer play_arrow

• question_answer245) Which substance is generally absent from            aquous humor?
  A)
               Ascorbic acid                        
  done clear
  B)
               Hyaloronic acid
  done clear
  C)
               Glucose                                  
  done clear
  D)
               \[{{O}_{2}}\] and \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer246) Which of the following pair is in correct?
  A)
               Pheretima-South India and Srilanka
  done clear
  B)
               Lumbricus-Europe and North America
  done clear
  C)
               Dravida and Magascolex - South India
  done clear
  D)
               Eutyphaeus - South America
  done clear
  View Answer play_arrow

• question_answer247) In Ascaris infective and harmful larval stages are:
  A)
               first fourth larval stage
  done clear
  B)
               third and fourth stage
  done clear
  C)
               first and third larval stage
  done clear
  D)
               second and third larval stage
  done clear
  View Answer play_arrow

• question_answer248) In which form maximum \[C{{O}_{2}}\] is carried by blood:
  A)
               in the form of bicarbonates
  done clear
  B)
               free \[C{{O}_{2}}\]
  done clear
  C)
               carbamino haemoglobin
  done clear
  D)
               oxyhaemoglobin
  done clear
  View Answer play_arrow

• question_answer249) The cause of black water fever is:
  A)
               Plasmodium vivnx
  done clear
  B)
               Plasmodium falciparum
  done clear
  C)
               Plasmodium ovale
  done clear
  D)
               Plasmodium malariae
  done clear
  View Answer play_arrow

• question_answer250) Bilayer of lipid in plasma membrane reduces expulsion of \[{{K}^{+}}\] or \[M{{g}^{++}}\] because these are;
  A)
               important in cytoplasmic concentration
  done clear
  B)
               important for hormone action
  done clear
  C)
               because of strong attraction from inner ions
  done clear
  D)
               important to disturb balance in ECF
  done clear
  View Answer play_arrow

• question_answer251) Which of the following pair shows correctly in which substance is completely oxidized and           amount of energy released?
  A)
               Sucrose- 78 ATP, frutose 6- phosphate - 40 ATP, acetyl CoA -12 ATP
  done clear
  B)
               Sucrose - 72 ATP, fructose 39 ATP, acetyl Co A-10 ATP
  done clear
  C)
               Sucrose - 76 ATP, frutose 6 - phosphate 40 ATP, acetyl CoA -10 ATP
  done clear
  D)
               Sucrose - 76 ATP, fructose 6 - phosphate - 39 ATP, acetyl CoA - 10 ATP
  done clear
  View Answer play_arrow

• question_answer252) In mammalian perilymph, following is more than endolymph:
  A)
               \[{{C}^{++}}\]                                      
  done clear
  B)
               \[{{K}^{+}}\]  
  done clear
  C)
               \[F{{e}^{++}}\]    
  done clear
  D)
                                      \[N{{a}^{++}}\]
  done clear
  View Answer play_arrow

• question_answer253) Which one is odd?
  A)
               Sea squirt                              
  done clear
  B)
               Sea cucumber
  done clear
  C)
               Sea urchin
  done clear
  D)
                                      Sea star
  done clear
  View Answer play_arrow

• question_answer254) In both plant cell and animal cell flagella are similar in:
  A)
               both have membrane over it
  done clear
  B)
               both   have   microtubule 2 + 9 arrangement
  done clear
  C)
               both are flexible
  done clear
  D)
               microtubules are 9 + 2
  done clear
  View Answer play_arrow

• question_answer255) Incubation  period of Plasmodium falciparum is:
  A)
               10 days                                   
  done clear
  B)
               12 days
  done clear
  C)
               16 days     
  done clear
  D)
                                      28 days
  done clear
  View Answer play_arrow

• question_answer256) Regeneration in Hiydra can occurs in the part with :            
  A)
               gastrodermis       
  done clear
  B)
               mesogloea
  done clear
  C)
               epidermis                              
  done clear
  D)
               1.6 mm or more
  done clear
  View Answer play_arrow

• question_answer257) State bird of Rajasthan is:
  A)
               Passer domesticus             
  done clear
  B)
               Columba livia
  done clear
  C)
               Cariotis migriseps              
  done clear
  D)
               Pavo cristatus
  done clear
  View Answer play_arrow

• question_answer258) One DNA helix have :
  A)
               10 nucleotides and \[3.4\,\overset{\text{o}}{\mathop{\text{A}}}\,\] in length
  done clear
  B)
               20 nucleotides and \[3.4\,\overset{\text{o}}{\mathop{\text{A}}}\,\] in length
  done clear
  C)
               20 nucleotides and \[34\,\overset{\text{o}}{\mathop{\text{A}}}\,\] in length
  done clear
  D)
               10 nucleotides and \[34\,\overset{\text{o}}{\mathop{\text{A}}}\,\] in length
  done clear
  View Answer play_arrow

• question_answer259) Which statement is wrong for enzymes ?
  A)
               Specific in their reaction
  done clear
  B)
               Do not disturb equilibrium
  done clear
  C)
               All are of protein
  done clear
  D)
               They change the direction of reaction
  done clear
  View Answer play_arrow

• question_answer260) Which pair is wrong?
  A)
               \[N{{a}^{+}}\]- nerve impulse
  done clear
  B)
               \[C{{o}^{++}}\]- for growth lungs and skin
  done clear
  C)
               \[C{{o}^{++}}\]-bones and teeth formation and muscle contraction
  done clear
  D)
               \[Z{{n}^{++}}\]-essential component of protoplasm
  done clear
  View Answer play_arrow

• question_answer261) Copulation of Earthworm lasts for:
  A)
               5-6 hrs                                    
  done clear
  B)
               15 min
  done clear
  C)
               1 hrs           
  done clear
  D)
                                     2-3 hrs
  done clear
  View Answer play_arrow

• question_answer262) Main characteristics of Cnidaria is:
  A)
               diploblastic, radial symmetry and cnidoblast cells
  done clear
  B)
               triploblastic, radial symmetry and cnidoblast cells
  done clear
  C)
               diploblastic, bilateral symmetry and cnidoblast cells
  done clear
  D)
               triploblastic, bilaterally symmetrical and cnidoblast cells
  done clear
  View Answer play_arrow

• question_answer263) Metamerically segmented body means:
  A)
               body is divided externally on the basis of shape and colour
  done clear
  B)
               body is divided into head thorax, tail
  done clear
  C)
               repetation of segments
  done clear
  D)
               repetation of organ sequence in body
  done clear
  View Answer play_arrow

• question_answer264) Which is the longest muscles which brings thigh near mid line?
  A)
               Chorocobranchiasis           
  done clear
  B)
               Biceps femories
  done clear
  C)
               Castronimus                         
  done clear
  D)
               Sartorius
  done clear
  View Answer play_arrow

• question_answer265) Where does ghost cells destroyed in Plasmodium infection in humans?            
  A)
               Liver of man                         
  done clear
  B)
               Crop of mosquito
  done clear
  C)
               R.B.C. of man                       
  done clear
  D)
               Spleen of man
  done clear
  View Answer play_arrow

• question_answer266) In 1994 Nobel prize for the discovery of protein in cell membrane was awarded to:
  A)
               Fischer and Krebs
  done clear
  B)
               Martin Loother and Nelson
  done clear
  C)
               Stuart and Bital
  done clear
  D)
               Gilman and Rodkil
  done clear
  View Answer play_arrow

• question_answer267) Mesogloea of Hydra is chemically:
  A)
               mucoprotein                        
  done clear
  B)
               lipid
  done clear
  C)
               protein
  done clear
  D)
                                      mucopolysaccharide
  done clear
  View Answer play_arrow

• question_answer268) What conditions are optimum for activation of gametogenesis in Plasmodiuni in stomach/alimentary canal of female Anopheles?
  A)
               High temperature              
  done clear
  B)
               Presence of enzymes
  done clear
  C)
               Less temperature
  done clear
  D)
               Blood in stomach
  done clear
  View Answer play_arrow

• question_answer269) Which one is main barrier in transportation in mitochondria that maintains composition of matrix?
  A)
               Inner membrane               
  done clear
  B)
               Outer membrane
  done clear
  C)
               Perimitochondrial fluid
  done clear
  D)
               All of these
  done clear
  View Answer play_arrow

• question_answer270) Which one is not a correct pair?
  A)
               Cell-Schwann                       
  done clear
  B)
               Protoplasm-Huxley
  done clear
  C)
               Chromosome-Mendel
  done clear
  D)
               Germplasm-Weisman
  done clear
  View Answer play_arrow

• question_answer271) Ambystoma larva of Tiger Salamander shows neoteny, because:
  A)
               fresh water becomes available due to rains
  done clear
  B)
               excess of mineral ions and \[{{l}_{2}}\]
  done clear
  C)
               less \[{{l}_{2}}\] and \[{{H}_{2}}O\]
  done clear
  D)
               hormone secretion starts from glands
  done clear
  View Answer play_arrow

• question_answer272) If one incisors of Rabbit is replaced then:
  A)
               digestion will stop
  done clear
  B)
               rabbit will die after sometimes
  done clear
  C)
               digestion is troubled
  done clear
  D)
               nothing will happen
  done clear
  View Answer play_arrow

• question_answer273) A structure absent in male reproductive system of Ascaris:
  A)
               testes                                     
  done clear
  B)
               spermatic duct
  done clear
  C)
               seminal vesicle    
  done clear
  D)
               ejaculatory duct
  done clear
  View Answer play_arrow

• question_answer274) Largest invertebrate is:
  A)
               little fish                                 
  done clear
  B)
               ship worm
  done clear
  C)
               devil fish  
  done clear
  D)
                                      giant squid
  done clear
  View Answer play_arrow

• question_answer275) Which of the following pair is wrong?
  A)
               Hypothalamus-thermoregulation
  done clear
  B)
              Medulla oblongata-control of in voluntay activities
  done clear
  C)
               Cerebellum-balance
  done clear
  D)
               Diencephalon-hunger and statiety center
  done clear
  View Answer play_arrow

• question_answer276) State animal of Rajasthan is:            
  A)
               Camelus                                 
  done clear
  B)
               Ardeotis
  done clear
  C)
               Corvus      
  done clear
  D)
                                      Gazella
  done clear
  View Answer play_arrow

• question_answer277) Externally male and female Cockroach can be differentiated by:            
  A)
               wingless condition             
  done clear
  B)
               length of abdomen
  done clear
  C)
               length of maxillae  
  done clear
  D)
               conglobate gland
  done clear
  View Answer play_arrow

• question_answer278) Functionally heart of Cockroach is:
  A)
               neurogenic                           
  done clear
  B)
               agenic
  done clear
  C)
               epigenic                                 
  done clear
  D)
               myogenic
  done clear
  View Answer play_arrow

• question_answer279) In embryonic stage ammonia is converts to urea by:
  A)
               yolk sac                                  
  done clear
  B)
               chorion
  done clear
  C)
               amnion     
  done clear
  D)
                                      allantois
  done clear
  View Answer play_arrow

• question_answer280) Assistance provided during locomotion in             Amoeba:
  A)
               rough surface                      
  done clear
  B)
               nematocyst
  done clear
  C)
               tantaclcs                
  done clear
  D)
               tons present in \[{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer281) Those cells lipid is actively synthesized contains more:
  A)
               nucleus                                  
  done clear
  B)
               R.E.R.
  done clear
  C)
               S.E.R.                                       
  done clear
  D)
               golgi body
  done clear
  View Answer play_arrow

• question_answer282) In 1902 Nobel prize was given to:             
  A)
   Grassi for observing plasmodium in RBC
  done clear
  B)
               Laveron for discovering Plasmodium
  done clear
  C)
               Sir Ronald Ross for observing Plasmodium
  done clear
  D)
               Golgi for discovering eryhrocytic cycle
  done clear
  View Answer play_arrow

• question_answer283)             Biological clock is exhibited in Cockroach:            
  A)
               in different stages of life cycle
  done clear
  B)
               in metamorphosis
  done clear
  C)
               as metabolic changes takes place in 2 hrs
  done clear
  D)
               in different activies in different season
  done clear
  View Answer play_arrow

• question_answer284) For the parasympathetic nervous system             (1) acetylcholine is the hormonal secretory product             (2) fight and flight is controlled             (3) pre-gangolic fibers are long and post gangolic are short             (4) pre-gangolic fibers are short and post gangolic are long             (5) origin from craniosacral region Find out the true statement:            
  A)
               1, 2, 3, 5                                  
  done clear
  B)
               1, 2, 4, 5                                  
  done clear
  C)
               1, 4, 5       
  done clear
  D)
                                      1, 3, 5
  done clear
  View Answer play_arrow

• question_answer285) Malleus, in cus, stapes are modifications of respectively:
  A)
                       articular, quadrate and Hyomandibular
  done clear
  B)
               quadrate, articular and hyomandibular
  done clear
  C)
               articular, hyomandibular and quadrate
  done clear
  D)
               hyomandibular, quadrate  and articular
  done clear
  View Answer play_arrow

• question_answer286) Which of the following group is hermaphrodite?
  A)
               Earthworm, Cockroach and Prawn
  done clear
  B)
               Earthworm, Leech, Taenia
  done clear
  C)
               Ascaris, Cockroach, Earthworm
  done clear
  D)
               Hydra, Ascaris. Taenia
  done clear
  View Answer play_arrow

• question_answer287) Vit. D is synthesized in human being with the help of:
  A)
               ergosterol  
  done clear
  B)
                                      ergocalciferol                       
  done clear
  C)
               cholesterol                           
  done clear
  D)
               carotene
  done clear
  View Answer play_arrow

• question_answer288) Which of the following is true for internal             fertilization?
  A)
               Presence of copulatory organs is essential
  done clear
  B)
               Water is essential (i.e. aquatic habitat is essential)
  done clear
  C)
               Semination occurs inside the female body
  done clear
  D)
               Male and female must not come close
  done clear
  View Answer play_arrow

• question_answer289) Few scientist state vas deferens as seminal vesicle and seminal vesicle as vas deferens, because;            
  A)
               sperms are not stored in seminal vesicle
  done clear
  B)
               their structure is similar
  done clear
  C)
               their function is same
  done clear
  D)
               sperms mature in vas deferens
  done clear
  View Answer play_arrow

• question_answer290) Life span of Earthworm is:            
  A)
               1-3 yrs                                     
  done clear
  B)
               2-6 yrs                     
  done clear
  C)
               3 ½-10 yrs                              
  done clear
  D)
               61/6-15 yrs
  done clear
  View Answer play_arrow

• question_answer291) Interstitial epithelium is protected from harmful bacteria by:            
  A)
               goblet cells                           
  done clear
  B)
               brunners gland
  done clear
  C)
               peyers patches                 
  done clear
  D)
               all of the above
  done clear
  View Answer play_arrow

• question_answer292) VIIth cranial nerve enters in a ganglion called:            
  A)
               gasserian ganglion             
  done clear
  B)
               geniculate ganglion
  done clear
  C)
               vagus ganglion    
  done clear
  D)
               cilliac ganglion
  done clear
  View Answer play_arrow

• question_answer293) What does not happens when people listen to loud music?            
  A)
               cochlear fluid oscillates at high degree
  done clear
  B)
               receptors of cochlear get degenerate
  done clear
  C)
               organ of corti react by the tympanic membrane
  done clear
  D)
               basal membrane vibrate to a large extent
  done clear
  View Answer play_arrow

• question_answer294) In saliva of mosquito, following is present during its bite:            
  A)
               xyote                                      
  done clear
  B)
               gametocyte                                          
  done clear
  C)
               ookinite                                 
  done clear
  D)
               anticoagulant
  done clear
  View Answer play_arrow

• question_answer295) When butter is kept in the air at room temperature then it start bad smelling because:            
  A)
               it is saturated
  done clear
  B)
               it is unsaturated
  done clear
  C)
               bacterial action degrades it
  done clear
  D)
               it have large number of it \[{{H}_{2}}\] atoms
  done clear
  View Answer play_arrow

• question_answer296) According to Heldane effect how             oxyhaemoglobin behaves:            
  A)
               It act as powerful base so reaction with \[C{{O}_{2}}\] reduces
  done clear
  B)
               It act as strong base so reaction with \[C{{O}_{2}}\]increase
  done clear
  C)
               Oxyhaemoglobin act as strong acid so association with \[C{{O}_{2}}\] reduces
  done clear
  D)
               Oxyhaemoglobin act as strong acid so association with \[C{{O}_{2}}\] increase
  done clear
  View Answer play_arrow

• question_answer297) Adipose tissue in the skin is found in the:            
  A)
               dermis                    
  done clear
  B)
               malpighian layer                 
  done clear
  C)
               epidermal layer  
  done clear
  D)
               subcutaneous layer
  done clear
  View Answer play_arrow

• question_answer298) Armadillo produces quadraplet because:            
  A)
               sperms fertilizes four eggs
  done clear
  B)
               blastocyst divides into four cells
  done clear
  C)
               four sperms fertilizes ovum
  done clear
  D)
               four zygotes are formed
  done clear
  View Answer play_arrow

• question_answer299) Which of the statement is correct for vitamin D?            
  A)
               It is argosterol
  done clear
  B)
               It is important for teeth and bone development
  done clear
  C)
               Deficiency causes chilosis
  done clear
  D)
               It is a calciferol which controls \[C{{a}^{++}}\] and \[PO_{4}^{-}\] absorption from intestine
  done clear
  View Answer play_arrow

• question_answer300) Which is the characteristic feature of ookinete?
  A)
               It have microtubules.
  done clear
  B)
               It have more mitochondria and ribosomes
  done clear
  C)
               It have contractile fibres
  done clear
  D)
               It is non-motile
  done clear
  View Answer play_arrow

• question_answer301) Central dogma was proposed by:
  A)
   Mendel
  done clear
  B)
   Wastson and Crick
  done clear
  C)
   Crick
  done clear
  D)
   Schleiden and Schwann
  done clear
  View Answer play_arrow

• question_answer302) Disease caused by fungus is:
  A)
   bronchitis          
  done clear
  B)
          ringworm          
  done clear
  C)
          small pox           
  done clear
  D)
          tuberculosis
  done clear
  View Answer play_arrow

• question_answer303) Y-chromosome present in:
  A)
   male                    
  done clear
  B)
          female
  done clear
  C)
          both (a) and (b)
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer304) Enzymes for autolysis are found in:
  A)
   nucleus              
  done clear
  B)
          mitochondria   
  done clear
  C)
          chloroplast        
  done clear
  D)
          lysosome
  done clear
  View Answer play_arrow

• question_answer305) In bacterial cell enzymes for aerobic respiration are found in:
  A)
   ribosome           
  done clear
  B)
          mesosome       
  done clear
  C)
          mitochundria  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer306) Phycology is the study of:
  A)
   fungus                
  done clear
  B)
          algae                   
  done clear
  C)
   lichens                
  done clear
  D)
          bryophyte
  done clear
  View Answer play_arrow

• question_answer307) The common reaction in aerobic and anaerobic respiration is:
  A)
   fermentation
  done clear
  B)
   glycolysis
  done clear
  C)
   Krobs cycle
  done clear
  D)
   electron transport system
  done clear
  View Answer play_arrow

• question_answer308) Connecting link of characters between one generation to another generation is :
  A)
   nucleus              
  done clear
  B)
          nucleic acid       
  done clear
  C)
          chromosome   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer309) Which type of cell division takes place during wound healing;
  A)
   Meiosis              
  done clear
  B)
          Mitosis
  done clear
  C)
          Amitosis             
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer310) CAM plants ecologically comes under which of the following category?
  A)
   Succulent plants
  done clear
  B)
          Mangrove plants
  done clear
  C)
                          Halopliytes        
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer311) First stable substance of Calvin cycle is:
  A)
   phosphoglyceric acid
  done clear
  B)
   phosphoglyceraldehyde
  done clear
  C)
   oxato acetic acid
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer312) Virus is classified in which of the following class?
  A)
   Akaryota            
  done clear
  B)
          Prokaryota        
  done clear
  C)
          Eukaryota          
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer313) In nucleic acid what is responsible for genetic information?
  A)
   Quantity of nucleic acid
  done clear
  B)
   Type of nucleic acid
  done clear
  C)
   Linear sequence of nucleotide
  done clear
  D)
   Type of nucleotide
  done clear
  View Answer play_arrow

• question_answer314) Membraneless cell organelle is:
  A)
   ribosome                           
  done clear
  B)
   lysosome           
  done clear
  C)
          mitochondria  
  done clear
  D)
          chloroplast
  done clear
  View Answer play_arrow

• question_answer315) Female reproductive organ of Riccia is known as:
  A)
   Oedogonium                   
  done clear
  B)
   archegonium   
  done clear
  C)
          carpogonium  
  done clear
  D)
          oosphere
  done clear
  View Answer play_arrow

• question_answer316) Casparian strip found in:
  A)
   cortex cells                       
  done clear
  B)
   pericycle            
  done clear
  C)
          epidermis          
  done clear
  D)
          endodermis
  done clear
  View Answer play_arrow

• question_answer317) The study of organisms with their environment is called:
  A)
   Ecology                               
  done clear
  B)
   Cytology            
  done clear
  C)
          Gene ecology  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer318) Botanical name of Chili is:
  A)
   Solanum melongena
  done clear
  B)
   Lycopercicum esculentum
  done clear
  C)
   Capsicum annuum
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer319) The reduction of \[C{{O}_{2}}\] occurs in:
  A)
   Calvin cycle                       
  done clear
  B)
   Krebs cycle       
  done clear
  C)
          Glycolysis          
  done clear
  D)
          Citric acid cycle
  done clear
  View Answer play_arrow

• question_answer320) Plasmids present in:
  A)
   virus                                    
  done clear
  B)
   mycoplasma     
  done clear
  C)
          bacteria              
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer321) In which of the following reserved food material is stored in the form of glycogen?
  A)
   Fungi                                   
  done clear
  B)
   Algae                   
  done clear
  C)
          Virus                    
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer322) Term ecosystem was proposed by :
  A)
   Tansley                               
  done clear
  B)
   Odum                 
  done clear
  C)
                          HaeckeI              
  done clear
  D)
          Mishra
  done clear
  View Answer play_arrow

• question_answer323) The number of hydrogen bonds present between guanine and cytosine are :
  A)
   2
  done clear
  B)
                                          3    
  done clear
  C)
   4                            
  done clear
  D)
          5
  done clear
  View Answer play_arrow

• question_answer324) Who proposed the histogen theory?
  A)
   Nagelli                                
  done clear
  B)
   Schmidt
  done clear
  C)
   Strassburger   
  done clear
  D)
          Hanstein
  done clear
  View Answer play_arrow

• question_answer325) The number of chloroplast in every cell of Ulothrix is:
  A)
   one                                      
  done clear
  B)
   two  
  done clear
  C)
   three                   
  done clear
  D)
          four
  done clear
  View Answer play_arrow

• question_answer326) On cutting of herbaceous stem of well irrigated plant, sap comes out because of the:
  A)
   turgor pressure
  done clear
  B)
          root pressure
  done clear
  C)
   osmotic pressure
  done clear
  D)
         none of the above
  done clear
  View Answer play_arrow

• question_answer327) The exception of Mendels law of dominance is:
  A)
   Pisum sativum   
  done clear
  B)
          Mirabilis Jalapa
  done clear
  C)
   Cicer arietinum                
  done clear
  D)
   Iberis amara
  done clear
  View Answer play_arrow

• question_answer328) Cross between first filial generation \[({{F}_{1}})\] and pure recessive are called:
  A)
   test cross           
  done clear
  B)
          back cross
  done clear
  C)
   dihybird cross  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer329) Which of the following nitrogenous base present only in RNA?
  A)
   Adenine             
  done clear
  B)
          Uracil
  done clear
  C)
   Thymine            
  done clear
  D)
          Guanine
  done clear
  View Answer play_arrow

• question_answer330) Drug which reduce blood pressure is?
  A)
   Gum                    
  done clear
  B)
          Reserpine
  done clear
  C)
   Papaver             
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer331) Curcuma longa belongs to family:
  A)
   Zingiberaceae  
  done clear
  B)
          Apocynaceae
  done clear
  C)
   Umbelliferae   
  done clear
  D)
          Papaveraceae
  done clear
  View Answer play_arrow

• question_answer332) The source of opium is:
  A)
   stem                    
  done clear
  B)
          pinna
  done clear
  C)
   root                     
  done clear
  D)
          fruit
  done clear
  View Answer play_arrow

• question_answer333) Annual rings are formed is:
  A)
   dicot herb         
  done clear
  B)
          dicot stem
  done clear
  C)
   monocot stem  
  done clear
  D)
          monocot root
  done clear
  View Answer play_arrow

• question_answer334) Root nodules arc formed in family:
  A)
   Cruciferae         
  done clear
  B)
          Leguminosae
  done clear
  C)
   Solanaceae       
  done clear
  D)
          Poaceae
  done clear
  View Answer play_arrow

• question_answer335) Salt from soil enters into plant cell in the form of:
  A)
   molecules         
  done clear
  B)
          salts
  done clear
  C)
   atoms                 
  done clear
  D)
          ions
  done clear
  View Answer play_arrow

• question_answer336) Energy source which does not emit \[C{{O}_{2}}\] in atmosphere is?
  A)
   Coal                     
  done clear
  B)
          Oil
  done clear
  C)
   Nuclear reactor
  done clear
  D)
          Natural gases
  done clear
  View Answer play_arrow

• question_answer337) Anthocyanin pigment is found in:
  A)
   cell sap               
  done clear
  B)
          chloroplast
  done clear
  C)
   mitochondria  
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer338) Vacuoles are covered by:
  A)
   plasma membrane        
  done clear
  B)
   tonoplast
  done clear
  C)
   Icucoplast          
  done clear
  D)
          cell wall
  done clear
  View Answer play_arrow

• question_answer339) Extra chromosomal DNA is found in:
  A)
   cytoplasm         
  done clear
  B)
          mitochondria
  done clear
  C)
   golgi body         
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer340) Glycolysis takes place in:
  A)
   mitochondria  
  done clear
  B)
          cytoplasm
  done clear
  C)
   golgi body         
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer341) The cell organelle covered by single unit membrane is:
  A)
   Lysosome          
  done clear
  B)
          mitochondria
  done clear
  C)
   chloroplast        
  done clear
  D)
          ribosome
  done clear
  View Answer play_arrow

• question_answer342) Water is not necessary for fertilization in which of the following?
  A)
   Pteridiim            
  done clear
  B)
          Spirogyra
  done clear
  C)
   Marchantia     
  done clear
  D)
          Albugo
  done clear
  View Answer play_arrow

• question_answer343) Which of the following is not trace element?
  A)
   Mg                       
  done clear
  B)
          Zn   
  done clear
  C)
   B                           
  done clear
  D)
          Cu
  done clear
  View Answer play_arrow

• question_answer344) The largest herbarium of India is situated :
  A)
   In Dehradun     
  done clear
  B)
          In Lucknow
  done clear
  C)
   In Calcutta         
  done clear
  D)
          In Delhi
  done clear
  View Answer play_arrow

• question_answer345) The flower of family Liliaceae is:
  A)
   hypogynous     
  done clear
  B)
          synandrus
  done clear
  C)
   epigynous         
  done clear
  D)
          perigynous
  done clear
  View Answer play_arrow

• question_answer346) The connecting link between glycolysis and Krebs cycle is:
  A)
   acetyle Co-A   
  done clear
  B)
          succinic acid
  done clear
  C)
   fumeric acid     
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer347) The plant part which can respire without oxygen is?
  A)
   Root                    
  done clear
  B)
          Stem
  done clear
  C)
   Seed                    
  done clear
  D)
          Leaf
  done clear
  View Answer play_arrow

• question_answer348) Archegonia is not present in:
  A)
   Riccia                   
  done clear
  B)
          Pteridium
  done clear
  C)
   Cycas                  
  done clear
  D)
          Capsella
  done clear
  View Answer play_arrow

• question_answer349) In middle lamella, which substance is present in large quantity :
  A)
   cuitin                   
  done clear
  B)
          suberin
  done clear
  C)
   pectin                 
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer350) Crossing over takes place in:
  A)
   amitotic division
  done clear
  B)
         mitotic division
  done clear
  C)
   meiotic division
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer351) According to Mendels law of segregation the ratio of \[{{F}_{2}}\] generation is:
  A)
   1 : 1                      
  done clear
  B)
          3 : 1
  done clear
  C)
   5 : 2                      
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer352) Rooted, submerged hydrophytic plant is:
  A)
   Eichhornia         
  done clear
  B)
          Hydrilla
  done clear
  C)
   Lemna                
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer353) Name the plant whose all cells are capable of gamete formation?
  A)
   Riccia                   
  done clear
  B)
          Marchantia
  done clear
  C)
   Albugo               
  done clear
  D)
          Ulothrix
  done clear
  View Answer play_arrow

• question_answer354) Maximum energy is liberated by which of the following reaction?
  A)
   Glycolysis          
  done clear
  B)
          Krebs cycle
  done clear
  C)
   Calvin cycle       
  done clear
  D)
          Hatch and Slack cycle
  done clear
  View Answer play_arrow

• question_answer355) Which of the following shows the undeveloped roots and lack of stomata?
  A)
   Halophytes       
  done clear
  B)
          Xerophytes
  done clear
  C)
   Hydrophytes    
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer356) Vessels and companion cells are absent in:
  A)
   gymnosperm and pteridophyta
  done clear
  B)
   pteridophyta and monocot
  done clear
  C)
   dicot and angiosperms
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer357) Non vascular embryonic plant is:
  A)
   thallophyta       
  done clear
  B)
          pteridophyta
  done clear
  C)
   bryophyta         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer358) The process of making the milk bacterialess is called:
  A)
   immunization 
  done clear
  B)
         pasteurization
  done clear
  C)
   vernalization   
  done clear
  D)
          purification
  done clear
  View Answer play_arrow

• question_answer359) How many nuclei takes part in double fertilization?
  A)
   2                            
  done clear
  B)
          3    
  done clear
  C)
   4                            
  done clear
  D)
          5
  done clear
  View Answer play_arrow

• question_answer360) The characteristic of Gossypium stamen is:
  A)
   monadelphous
  done clear
  B)
          biadelphous
  done clear
  C)
   polyadelphous
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer361) Which of the following is floral formula of mustard ?
  A)
  \[Ebr,\,\oplus \,\,_{\begin{smallmatrix}  O \\  + \end{smallmatrix}}^{{}}\,{{K}_{2+2}}\,{{C}_{\times 4}}\,{{A}_{2+}}\,{{G}_{(\underline{2})}}\]
  done clear
  B)
  \[\,\oplus \,\,{{A}_{2}}\,{{C}_{3}}\,{{G}_{(\underline{2})}}\]       
  done clear
  C)
  \[Ebr{{}_{O}}{{K}_{2+}}{{C}_{\times 3}}{{A}_{2+4}}\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer362) The fruit of Capsella is:
  A)
   caryopsis           
  done clear
  B)
          silicula
  done clear
  C)
   lomantum         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer363) Who coined the term mitochondria?
  A)
   C. Benda            
  done clear
  B)
          Altman
  done clear
  C)
   Kollciker             
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer364) Endodermis is a part of:
  A)
   pericycle            
  done clear
  B)
          cortex
  done clear
  C)
   epidermis          
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer365) Chromoplast is found in:
  A)
   stem
  done clear
  B)
   leaf
  done clear
  C)
   root
  done clear
  D)
   fruit and corolla of flower
  done clear
  View Answer play_arrow

• question_answer366) Prosopis spicigera is a state tree of Rajasthan. Its family is:
  A)
   Mimosoideae  
  done clear
  B)
          Caesalpinioideae
  done clear
  C)
   Papilionaceae  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer367) Streptococcus is responsible for:
  A)
   conversion of alcohol from molasis
  done clear
  B)
   processing of leather
  done clear
  C)
   conversion of milk into curd
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer368) In an angiospermic plant, female gametophyte is represented by:
  A)
   ovule                   
  done clear
  B)
          embryo sac
  done clear
  C)
   endosperm      
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer369) Which of the following is not renewable resource of India?
  A)
   fossils and mineral petrol
  done clear
  B)
   animals and minerals
  done clear
  C)
   plants and animals
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer370) How many male nuclei takes part in double fertilization of Capsella?
  A)
   1                            
  done clear
  B)
          2    
  done clear
  C)
   3                            
  done clear
  D)
          5
  done clear
  View Answer play_arrow

• question_answer371) In dorsal leaf, protoxylem is situated:
  A)
   in middle
  done clear
  B)
   towards upper epidermis
  done clear
  C)
   towards lower epidermis    
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer372) How many cells are present in mature male gametophyte of Capsella?
  A)
   1                            
  done clear
  B)
          2    
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer373) Vivipary is present in:
  A)
   Peepal                
  done clear
  B)
          Neem
  done clear
  C)
   Rhizophora       
  done clear
  D)
          Jamoon
  done clear
  View Answer play_arrow

• question_answer374) Axile placentation is present in:
  A)
   Cruciferae and Malvaceae
  done clear
  B)
   Malvaceae, Liliaceae and Solanaceae
  done clear
  C)
   Liliaceae and Cruciferae
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer375) The causal agent of witches broom disease of Potato is:
  A)
   virus                    
  done clear
  B)
          mycoplasma
  done clear
  C)
   bacteria              
  done clear
  D)
          fungus
  done clear
  View Answer play_arrow

• question_answer376) Red drop is associated with pigment:
  A)
   chlorophyll-a-660
  done clear
  B)
         chlorophyll-a-680
  done clear
  C)
   chlorophyll-a-560
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer377) In Vallisneria stomata are present in:
  A)
   abaxial surface
  done clear
  B)
          adaxial surface
  done clear
  C)
   both dorsal and ventral surface
  done clear
  D)
   absent
  done clear
  View Answer play_arrow

• question_answer378) Conjoint collateral or bicollateral and open vascular bundle is the characteristic of:
  A)
   monocot stem  
  done clear
  B)
          dicot stem
  done clear
  C)
   monocot root   
  done clear
  D)
          dicot root
  done clear
  View Answer play_arrow

• question_answer379) How many cells are present in female gametophyte of Capsella just before fertilization?
  A)
   2                            
  done clear
  B)
          3    
  done clear
  C)
   5                            
  done clear
  D)
          7
  done clear
  View Answer play_arrow

• question_answer380) Passage cells are present in:
  A)
   epidermis          
  done clear
  B)
          cortex
  done clear
  C)
   endodermis    
  done clear
  D)
          pericycle
  done clear
  View Answer play_arrow

• question_answer381) The pigments of \[\text{PS-I}\] are:
  A)
  \[{{\text{P}}_{\text{700,}}}\] chlorophy\[\text{II-a,}\] carotenoids
  done clear
  B)
  \[{{P}_{680}}\]chlorophy\[\text{II-a,}\] xanthophyll
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer382) \[C{{O}_{2}}\] reduction results into:
  A)
   Co-A                    
  done clear
  B)
          pyruvic acid
  done clear
  C)
   citric acid            
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer383) Which type of movement is present in Mimosa pudica?
  A)
   seismonastic   
  done clear
  B)
          nyctinastic
  done clear
  C)
   chemonastic   
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer384) The last structure of gametophytic stage in Riccia is:
  A)
   gamete              
  done clear
  B)
          spore
  done clear
  C)
   spore mother cell
  done clear
  D)
         none of these
  done clear
  View Answer play_arrow

• question_answer385) The unit of recombination is:
  A)
   muton                
  done clear
  B)
          recon
  done clear
  C)
   cistron                
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer386) In aquatic ecosystem which of the following is present in large number?
  A)
   producers         
  done clear
  B)
          primary consumer
  done clear
  C)
   decomposers  
  done clear
  D)
   secondary consumers
  done clear
  View Answer play_arrow

• question_answer387) A genome contains:
  A)
   haploid chromosomal set
  done clear
  B)
   diploid chromosomal set
  done clear
  C)
   tetraploid chromosomal set
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer388) How much energy is liberated if 1 mole glucose is completly oxidized?
  A)
   6860 cal              
  done clear
  B)
          68600 cal
  done clear
  C)
   686000 cal          
  done clear
  D)
          6S60000 cal
  done clear
  View Answer play_arrow

• question_answer389) When a cross made between pure red and pure white flowers of pea plant, than 120 plants are obtained the ratio of them is:
  A)
   30 red : 90 white
  done clear
  B)
         90 red : 30 white
  done clear
  C)
                          60 red : 60 white
  done clear
  D)
         all red
  done clear
  View Answer play_arrow

• question_answer390) Thigmotropism is shown by:
  A)
   tendril                 
  done clear
  B)
          pinna
  done clear
  C)
   stem                    
  done clear
  D)
          leaf
  done clear
  View Answer play_arrow

• question_answer391) Flagella present in zoospores of Albugo are:
  A)
   two dissimilar, on lateral surface
  done clear
  B)
   two similar, on lateral surface
  done clear
  C)
   two similar, on anterior tip
  done clear
  D)
   two dissimilar, on anterior tip
  done clear
  View Answer play_arrow

• question_answer392) Plants with higher osmotic pressure of cell sap are called :
  A)
   xerophyte         
  done clear
  B)
          halophyte
  done clear
  C)
   hydrophyte      
  done clear
  D)
          mesophyte
  done clear
  View Answer play_arrow

• question_answer393) Which of the following have largest flower?
  A)
   Rafflesia            
  done clear
  B)
          Water melon
  done clear
  C)
   Mango                
  done clear
  D)
          Banana
  done clear
  View Answer play_arrow

• question_answer394) The thorn of water chestnut (Trapa bipinosa) is the modification of:
  A)
   petals                  
  done clear
  B)
          sepals
  done clear
  C)
   stamens             
  done clear
  D)
          style
  done clear
  View Answer play_arrow

• question_answer395) The relation between Zoochlorella and Hydra is known as:
  A)
   endozoic            
  done clear
  B)
          parasitism         
  done clear
  C)
          heterotroph    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer396) Which of the following gas is responsible for add rain?
  A)
   \[S{{O}_{2}}\]                                           
  done clear
  B)
              \[C{{O}_{2}}\]
  done clear
  C)
   \[{{O}_{2}}\]                               
  done clear
  D)
              None
  done clear
  View Answer play_arrow

• question_answer397) The genotypic ratio of monohybrid  generation will be:
  A)
   3 : 1                      
  done clear
  B)
          1: 2 : 1
  done clear
  C)
   1 : 1 : 1 : 1           
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer398) The term cytokinin was coined by:
  A)
   Letham
  done clear
  B)
                                          Mendel
  done clear
  C)
   de Vries             
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer399) Aflatoaxins are mainly produced by:
  A)
   algae                   
  done clear
  B)
          fungi
  done clear
  C)
   bryophyta         
  done clear
  D)
          pteridophyta
  done clear
  View Answer play_arrow

• question_answer400) The reserved food of Albugo is:
  A)
   glycogen            
  done clear
  B)
          cellulose
  done clear
  C)
   starch                  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow