Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1999

done Rajasthan - PMT Solved Paper-1999 Total Questions - 398

• question_answer1) A tuning fork produce 2 beats when B sounded with one oscillator of frequency k 514 Hz, and produces 6 beats with the f other oscillator of frequency 510 Hz. The frequency of tuning fork is:
  A)
   516 Hz                                 
  done clear
  B)
   510 Hz 
  done clear
  C)
          514 Hz                 
  done clear
  D)
          520 Hz
  done clear
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• question_answer2) Wavelength of the particle whose momentum is \[p:\]
  A)
   \[h/p\]               
  done clear
  B)
          \[hp\]                 
  done clear
  C)
   \[p/h\]               
  done clear
  D)
          \[p+h\]
  done clear
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• question_answer3) Colour of a star indicates its:
  A)
   density               
  done clear
  B)
          distance             
  done clear
  C)
          energy                
  done clear
  D)
          temperature
  done clear
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• question_answer4) Which of the following has same dimensions to that of Planck's constant?
  A)
   Work                   
  done clear
  B)
          Energy
  done clear
  C)
   Linear momentum
  done clear
  D)
         Angular momentum
  done clear
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• question_answer5) Temperature of a piece of silicon is raised from \[{{27}^{o}}C\] to \[{{100}^{o}}C,\] then its conductivity:
  A)
   increases           
  done clear
  B)
          decreases         
  done clear
  C)
          remains same  
  done clear
  D)
          becomes zero
  done clear
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• question_answer6) If a liquid does not wet a solid surface, then its angle of contact is:
  A)
   acute angle       
  done clear
  B)
          obtuse angle    
  done clear
  C)
   right angle         
  done clear
  D)
          none of these
  done clear
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• question_answer7) Three capacitors of 3, 2 and 6\[\mu F\] connected in series with a battery of 10V. Then charge on 3\[\mu F\] capacitor will be:
  A)
   \[10\mu C\]      
  done clear
  B)
          \[12\mu C\]      
  done clear
  C)
          \[14\mu C\]      
  done clear
  D)
          \[5\mu C\]
  done clear
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• question_answer8)   To hear the echo in 1 second, the minimum L distance of the source from the reflecting surface should be:
  A)
   28 m                    
  done clear
  B)
          18 m                    
  done clear
  C)
   19 m                    
  done clear
  D)
          165 m
  done clear
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• question_answer9) If length of a simple pendulum increases by 300%, then its time period increases by:
  A)
   100%                   
  done clear
  B)
          200%                   
  done clear
  C)
   300%                   
  done clear
  D)
          400%
  done clear
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• question_answer10) Half life of radium is 1600 year, then its \[{{{\scriptstyle{}^{1}/{}_{16}}}^{th}}\] part will remain undecayed after:
  A)
   1200 year           
  done clear
  B)
          6400 year           
  done clear
  C)
          1800 year           
  done clear
  D)
          2200 year
  done clear
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• question_answer11) When a light beam enters into water from air then which of the following does not change?
  A)
   Velocity              
  done clear
  B)
          Frequency        
  done clear
  C)
          Wavelength    
  done clear
  D)
          Amplitude
  done clear
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• question_answer12) Sound waves produced in gas are:
  A)
   longitudinal      
  done clear
  B)
          transversal        
  done clear
  C)
          stationary          
  done clear
  D)
          progressive
  done clear
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• question_answer13) When a force F is applied on a wire of length L and radius r, extension produce is \[l\]. If same force F is applied on the same material wire of length 2L and radius 2r, then extension will be:
  A)
   \[l\]                      
  done clear
  B)
          \[2l\]                                   
  done clear
  C)
   \[l/2\]                                 
  done clear
  D)
          \[4l\]
  done clear
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• question_answer14) Equivalent capacity between A and B is:
  A)
   \[2\mu F\]                        
  done clear
  B)
          \[3\mu F\]                        
  done clear
  C)
   \[4\mu F\]        
  done clear
  D)
          \[0.5\mu F\]
  done clear
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• question_answer15) Angular velocity of second hand of a clock is:
  A)
   \[\frac{\pi }{30}rad/\sec \]     
  done clear
  B)
          \[\frac{\pi }{60}rad/\sec \]         
  done clear
  C)
          \[\frac{\pi }{15}rad/\sec \]     
  done clear
  D)
          \[\frac{\pi }{2}rad/\sec \]
  done clear
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• question_answer16) n-type semiconductor is:
  A)
   positively charged
  done clear
  B)
   neutral
  done clear
  C)
   negatively charged
  done clear
  D)
   none of these
  done clear
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• question_answer17) Intensity of a source of a 100 candela at a distance 2 metre is:
  A)
   25 Lux                 
  done clear
  B)
          50 Lux
  done clear
  C)
   75 Lux                 
  done clear
  D)
          150 Lux
  done clear
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• question_answer18) Atomic number of an atom is Z and mass number is m, then number of neutrons in its nucleus is:
  A)
   \[m-Z\]               
  done clear
  B)
          \[\frac{m}{Z}\]
  done clear
  C)
   \[m+Z\]              
  done clear
  D)
          \[m\times Z\]
  done clear
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• question_answer19) Power factor of L-C-R circuit in resonation condition is:
  A)
   \[1\]                    
  done clear
  B)
          \[1/2\]
  done clear
  C)
   zero                     
  done clear
  D)
          \[1/\sqrt{2}\]
  done clear
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• question_answer20) If tension of sonometer wire is made four times, then its frequency will change by a factor of:
  A)
   2                            
  done clear
  B)
          4     
  done clear
  C)
   1/2                       
  done clear
  D)
          6
  done clear
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• question_answer21) Which of the following has maximum specific heat?
  A)
   Water                 
  done clear
  B)
          Alcohol
  done clear
  C)
   Glycerene         
  done clear
  D)
          Oil
  done clear
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• question_answer22) Momentum of a body of mass 1 kg is 10 kg-m/s/ then its kinetic energy will be:
  A)
   \[\text{100}\,\text{J}\]                               
  done clear
  B)
          \[\text{50}\,\text{J}\]  
  done clear
  C)
   \[\text{1000}\,\text{J}\]             
  done clear
  D)
          \[\text{200}\,\text{J}\]
  done clear
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• question_answer23) Nucleus of an atom has:
  A)
   \[e\,\text{and}\,n\]                     
  done clear
  B)
          \[e\,\text{and}\,p\]
  done clear
  C)
   \[p\,\text{and}\,n\]                     
  done clear
  D)
          \[e,p\,\text{and}\,n\]
  done clear
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• question_answer24) Which of the following is scalar quantity?
  A)
   Current              
  done clear
  B)
          Velocity
  done clear
  C)
   Force                   
  done clear
  D)
          Acceleration
  done clear
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• question_answer25) Equation of a progressive sound wave is  \[y=a\,\sin \left( 400\pi t-\frac{\pi x}{0.85} \right)\]where  \[x\] in (metre), \[t\] (second)/ then frequency of wave is:
  A)
   200 Hz                 
  done clear
  B)
          400 Hz
  done clear
  C)
   500 Hz                 
  done clear
  D)
          600 Hz
  done clear
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• question_answer26) Wavelength of the wave in the above question is:
  A)
   1.7m                    
  done clear
  B)
          8.5m
  done clear
  C)
   0.85 m
  done clear
  D)
          0.17 m
  done clear
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• question_answer27) A wheel completes 2000 turns in completing a distance of 9.5 km, then diameter of the wheel is:
  A)
   1.5m                    
  done clear
  B)
          1.5 cm
  done clear
  C)
   7.5m                    
  done clear
  D)
          7.5 cm
  done clear
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• question_answer28) In nth orbit of hydrogen atom energy \[e=\frac{13.6}{{{n}^{2}}}eV,\]then energy required to displace electrons from\[n=1\,\text{to}\,n=\,2\]is:
  A)
   -10.2 eV             
  done clear
  B)
          3.4 eV
  done clear
  C)
   -13.6 eV             
  done clear
  D)
          1.51 eV
  done clear
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• question_answer29) Relation of wavelengths of sound an light is:
  A)
   \[{{\lambda }_{S}}<{{\lambda }_{L}}\]                                  
  done clear
  B)
   \[{{\lambda }_{S}}>{{\lambda }_{L}}\]
  done clear
  C)
   \[{{\lambda }_{S}}={{\lambda }_{L}}\]                  
  done clear
  D)
          none of these
  done clear
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• question_answer30) In Young's experiment, if separate between slits is made half, then fringe width will become:
  A)
   double                
  done clear
  B)
          four times
  done clear
  C)
   half                      
  done clear
  D)
          remains same
  done clear
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• question_answer31) Resolving power of human eye is:
  A)
   0.1                        
  done clear
  B)
          1   
  done clear
  C)
   0.1?                       
  done clear
  D)
          1?
  done clear
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• question_answer32) Dancing of small pieces of camphor on the surface of water is due to:
  A)
   viscosity             
  done clear
  B)
          surface tension
  done clear
  C)
   weight                
  done clear
  D)
          lifting force
  done clear
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• question_answer33) Relation between specific heats of an ideal gas:
  A)
   \[Cp+{{C}_{\upsilon }}=R\]    
  done clear
  B)
          \[{{C}_{P}}-{{C}_{\upsilon }}=R\]
  done clear
  C)
   \[\frac{{{C}_{P}}}{{{C}_{\upsilon }}}=R\]              
  done clear
  D)
          \[\frac{{{C}_{\upsilon }}}{{{C}_{P}}}=R\]
  done clear
  View Answer play_arrow

• question_answer34) Who gave the kinetic molecular theory of gas?
  A)
   Devic                   
  done clear
  B)
          Einestein
  done clear
  C)
   Newton             
  done clear
  D)
          Bernoulli
  done clear
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• question_answer35) Potential energy of a particle at a distance x from mean position, which is execute simple hormonic motion:
  A)
   \[\frac{1}{2}m{{\omega }^{2}}{{x}^{2}}\]            
  done clear
  B)
          zero
  done clear
  C)
   \[{{m}^{2}}\]                    
  done clear
  D)
          \[\frac{1}{2}{{m}^{2}}{{\omega }^{2}}{{x}^{2}}\]
  done clear
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• question_answer36) If distance between light source and screen is doubled, then intensity of light will become:
  A)
   half                      
  done clear
  B)
          double
  done clear
  C)
   remain unchanged        
  done clear
  D)
   \[1/4\,th\]
  done clear
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• question_answer37) The colour of a red cloth in green light appears:
  A)
   red                       
  done clear
  B)
          green
  done clear
  C)
   orange                
  done clear
  D)
          black
  done clear
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• question_answer38) An inductor and a capacitor are connected in an A.C. circuit inductance and  capacitance are 1 H and 25 \[\mu F\] then for maximum current, angular frequency will be (circuit is connected in series):
  A)
   200 rad/sec       
  done clear
  B)
          50 rad/sec
  done clear
  C)
   100 rad/sec       
  done clear
  D)
          150 rad/sec
  done clear
  View Answer play_arrow

• question_answer39) A satellite of mass m, revolving round a planet of mass M in a circular orbit of radius r, then orbital velocity of the satellite is:
  A)
   \[\frac{mg}{r}\]              
  done clear
  B)
          \[\sqrt{\frac{GM}{r}}\]
  done clear
  C)
   \[\sqrt{\frac{2GM}{r}}\]             
  done clear
  D)
          \[\frac{GM}{r}\]
  done clear
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• question_answer40) Energy stored in the unit volume of a wire due to its elasticity is:
  A)
   \[\frac{1}{2}\] (force \[\times \] strain)                
  done clear
  B)
   \[\frac{1}{2}\]stress \[\times \] strain
  done clear
  C)
   stress/strain    
  done clear
  D)
   force/strain
  done clear
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• question_answer41) Value of \[-40{}^\circ C\] in Fahrenheit scale is:
  A)
  \[-40{}^\circ F\]               
  done clear
  B)
         \[32{}^\circ F\] 
  done clear
  C)
  \[-32{}^\circ F\]                               
  done clear
  D)
         \[40{}^\circ C\]
  done clear
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• question_answer42) Spectrum of a star is shifting towards voilet colour, then the star:
  A)
   is going away from earth
  done clear
  B)
   is coming towards earth
  done clear
  C)
   intensity of light of star is increasing
  done clear
  D)
   intensity of light of star is decreasing
  done clear
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• question_answer43) The amount of heat required to change \[1\,gm\,({{0}^{\text{o}}}C)\] of ice into water of \[{{100}^{o}}C,\] is:
  A)
   716 cal                 
  done clear
  B)
          500 cal
  done clear
  C)
   180 cal                 
  done clear
  D)
  100 cal
  done clear
  View Answer play_arrow

• question_answer44) Susceptibility of a magnetic field is:
  A)
   \[\chi =\frac{l}{H}\]       
  done clear
  B)
          \[\chi =\frac{B}{H}\]
  done clear
  C)
   \[\chi =\frac{M}{V}\]    
  done clear
  D)
          \[\chi =\frac{M}{H}\]
  done clear
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• question_answer45) Sphere, disc and ring are allowed to roll down on an inclined plane from its top, then order in which they reach at the bottom will be:
  A)
   ring, disc, sphere
  done clear
  B)
         sphere, disc, ring
  done clear
  C)
   disc, ring, sphere
  done clear
  D)
         sphere, ring, disc
  done clear
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• question_answer46) If dopping in the P region is high then N region:
  A)
   depletion layer will more towards P.
  done clear
  B)
   depletion layer will more towards N.
  done clear
  C)
   depletion layer will remain unchanged.
  done clear
  D)
   none of these
  done clear
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• question_answer47) Work of invertor is:
  A)
   to change A.C. into D.C.
  done clear
  B)
   to change D.C. to A.C.
  done clear
  C)
   to regulate voltage
  done clear
  D)
   none of these
  done clear
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• question_answer48) Dimensions of torque is:
  A)
   \[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]            
  done clear
  B)
          \[[{{M}^{2}}{{L}^{2}}{{T}^{2}}]\]
  done clear
  C)
   \[[{{M}^{-1}}L{{T}^{-1}}]\]         
  done clear
  D)
          \[[{{M}^{-2}}{{L}^{-2}}{{T}^{-2}}]\]
  done clear
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• question_answer49) For a triode valve \[\mu \,=\,50,\,\Delta \,{{V}_{g}}\,=0.2\] volt then value of\[\Delta \,{{V}_{P}}\,\] is:
  A)
   5 volt                   
  done clear
  B)
          10 volt
  done clear
  C)
   0.2 volt               
  done clear
  D)
          50 volt
  done clear
  View Answer play_arrow

• question_answer50) Which of the following has maximum property of elasticity?
  A)
   Rubber               
  done clear
  B)
          Lead
  done clear
  C)
   Wood                  
  done clear
  D)
          Steel
  done clear
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• question_answer51) If we made half the radius of earth, then duration of day will become:
  A)
   6 hour                 
  done clear
  B)
          12 hour
  done clear
  C)
   24 hour               
  done clear
  D)
          3 hour
  done clear
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• question_answer52) A stone is dropped in 19.6 metre depth well, echo is heard in 2.06 second, then velocity of sound is:
  A)
   315.2m/s           
  done clear
  B)
          320.5 m/s
  done clear
  C)
   326.7 m/s          
  done clear
  D)
          332.4 m/s
  done clear
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• question_answer53) An electron is moving with velocity\[\vec{v}\]in the direction of magnetic field \[\vec{B}\] then force acting on electron is :
  A)
   zero                     
  done clear
  B)
          \[e(\vec{\upsilon }\times \vec{B})\]
  done clear
  C)
   \[e(\vec{B}\times \vec{\upsilon })\]                     
  done clear
  D)
          200 Joule
  done clear
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• question_answer54) If temperature of an object is \[140{}^\circ F\], then its temperature in centrigrade is:
  A)
  \[105{}^\circ C\]              
  done clear
  B)
         \[32{}^\circ C\]
  done clear
  C)
  \[140{}^\circ C\]              
  done clear
  D)
         \[60{}^\circ C\]
  done clear
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• question_answer55) Focal length of a lens is + 10 cm and its refractive index is 1.4, it is dipped in a liquid of refractive index 1.6, then its focal length becomes:
  A)
   - 16 cm                
  done clear
  B)
          + 32 cm
  done clear
  C)
   + 16 cm               
  done clear
  D)
          - 32 cm
  done clear
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• question_answer56) Ten wires each of resistance 1 ohm are connected in parallel, then total resistance will be:
  A)
   10\[\Omega \]                
  done clear
  B)
          1\[\Omega \]
  done clear
  C)
   0.1\[\Omega \]               
  done clear
  D)
          0.0010\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer57) If focal length of convex lens is 9 cm and that of a concave lens is - 18 cm, then focal length of combination is:
  A)
   + 9 cm                                 
  done clear
  B)
   -18 cm
  done clear
  C)
   -9 cm                   
  done clear
  D)
          +18 cm
  done clear
  View Answer play_arrow

• question_answer58) Two mirror are put at an angle of \[60{}^\circ \] then number of image of an object placed between the mirrors is:
  A)
   3    
  done clear
  B)
                                          4    
  done clear
  C)
   5                            
  done clear
  D)
          6
  done clear
  View Answer play_arrow

• question_answer59) An observer is coming towards plane mirror with a speed of 6 m/s, then apparent velocity of his image is :
  A)
   6 m/s                   
  done clear
  B)
          4 m/s
  done clear
  C)
   12 m/s                
  done clear
  D)
          3 m/s
  done clear
  View Answer play_arrow

• question_answer60) Speed of light in vacuum is.
  A)
   \[\frac{1}{\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]       
  done clear
  B)
          \[\sqrt{\frac{{{\mu }_{0}}}{{{\varepsilon }_{0}}}}\]
  done clear
  C)
   \[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]          
  done clear
  D)
          \[\sqrt{\frac{{{\varepsilon }_{0}}}{{{\mu }_{0}}}}\]
  done clear
  View Answer play_arrow

• question_answer61) In thermionic diode valve/ relation between, plate current and plate voltage is:
  A)
   \[{{I}_{P}}\propto {{V}_{P}}^{3/2}\]     
  done clear
  B)
          \[{{I}_{P}}\propto {{V}_{P}}^{2/3}\]
  done clear
  C)
   \[{{I}_{P}}\propto {{V}_{P}}^{1/2}\]     
  done clear
  D)
          \[{{I}_{P}}\propto {{V}_{P}}\]
  done clear
  View Answer play_arrow

• question_answer62) In an A.C. circuit, for angular frequency \[\omega =\]1000 rad/s, resistance of a coil is  100 \[\Omega ,\] then for (\[\omega =\] 100 rad/s, resistance of the coil is:
  A)
   1000\[\Omega \]            
  done clear
  B)
          100\[\Omega \]
  done clear
  C)
   50\[\Omega \]                
  done clear
  D)
          10\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer63) In a secondary coil of a step up transformer:
  A)
   less turns of thin wire
  done clear
  B)
   more turns of thin wire
  done clear
  C)
   less turns of thick wire
  done clear
  D)
   more turns of thick wire
  done clear
  View Answer play_arrow

• question_answer64) In photo electric effect intensity of incidence light is made double, then energy of emitted photo electrons will:
  A)
   increase             
  done clear
  B)
          decrease
  done clear
  C)
   remain same   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer65) 1 eV is equivalent to:
  A)
   10 erg  
  done clear
  B)
          \[1.1\times {{10}^{-11}}\,erg\]
  done clear
  C)
   \[1.6\times {{10}^{-38}}erg\]    
  done clear
  D)
          \[1.6\,\times {{10}^{-19}}\,Joule\]
  done clear
  View Answer play_arrow

• question_answer66) Unit of amplification factor of a triode is:
  A)
   volt                      
  done clear
  B)
          Ohm
  done clear
  C)
   Lyman                 
  done clear
  D)
          no unit
  done clear
  View Answer play_arrow

• question_answer67) For a vacuum diode, slope of a characteristics curve is \[2\times {{10}^{-2}}\,mA{{V}^{-1}},\] then plate resistance of diode is:
  A)
   50 \[\Omega \]                               
  done clear
  B)
          50 \[\text{k}\Omega \]
  done clear
  C)
   500 \[\text{k}\Omega \]             
  done clear
  D)
          500\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer68) In a copper wire 1.6 mA current is flowing, then number of free electrons moving in wire is :
  A)
   \[{{10}^{11}}\]                                 
  done clear
  B)
          \[{{10}^{16}}\] 
  done clear
  C)
   \[{{10}^{19}}\]                                 
  done clear
  D)
          \[{{10}^{15}}\]
  done clear
  View Answer play_arrow

• question_answer69) If p-n junction is unbiased then:
  A)
   current is zero, because drifting of charge is same from both sides
  done clear
  B)
   current is zero, because there is no movement of charge
  done clear
  C)
   current is not zero               
  done clear
  D)
   none of these                 
  done clear
  View Answer play_arrow

• question_answer70) Who found the charge on electron?
  A)
   Bohr                    
  done clear
  B)
          Milikan    
  done clear
  C)
   Thomson           
  done clear
  D)
          Rozen     
  done clear
  View Answer play_arrow

• question_answer71) If filament is heated, then it emits:  
  A)
   proton                
  done clear
  B)
          photon    
  done clear
  C)
   electron             
  done clear
  D)
          \[\alpha -\]particle
  done clear
  View Answer play_arrow

• question_answer72) If wavelength of first line of Balmer series of an atom is \[6563\overset{\text{o}}{\mathop{\text{A}}}\,,\] then the wavelength of first line of Lyman series for same atom is:                   
  A)
   \[4848\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  B)
          \[1216\overset{\text{o}}{\mathop{\text{A}}}\,\]     
  done clear
  C)
   \[909\overset{\text{o}}{\mathop{\text{A}}}\,\]              
  done clear
  D)
          \[776\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer73) Relation between half life (T) and mean life \[({{T}_{0}})\] for a radioactive element is:
  A)
   \[T=\frac{0.693}{{{T}_{o}}}\]     
  done clear
  B)
          \[{{T}_{0}}=\frac{0.693}{T}\]
  done clear
  C)
   \[T=0.693\,{{T}_{0}}\]  
  done clear
  D)
          \[{{T}_{0}}=0.693\,T\]
  done clear
  View Answer play_arrow

• question_answer74) Half life of radioactive element is 30 days, After 90 days percentage decayed of the element will be :                   
  A)
   92.15%                
  done clear
  B)
          87.5%     
  done clear
  C)
   47%                      
  done clear
  D)
          18.5%    
  done clear
  View Answer play_arrow

• question_answer75) If pressure of water is increased, then it boils at a temperature ...\[100{}^\circ C\]:
  A)
   less than
  done clear
  B)
   more than
  done clear
  C)
   high temperature
  done clear
  D)
   will boil at critical temperature
  done clear
  View Answer play_arrow

• question_answer76) Latent heat of 1 gm of steam is 536 cal/gm, then its value in Joule/kg is:
  A)
   \[2.25\,\times {{10}^{6}}\]         
  done clear
  B)
          \[2.25\,\times {{10}^{3}}\]
  done clear
  C)
   2.25                      
  done clear
  D)
          none
  done clear
  View Answer play_arrow

• question_answer77) Specific heat of ideal gas depends upon:
  A)
   \[T\]
  done clear
  B)
   \[1/T\]
  done clear
  C)
   \[\sqrt{T}\]
  done clear
  D)
   does not depend on its temperature
  done clear
  View Answer play_arrow

• question_answer78) At which temperature, the velocity of sound is double than that of \[0{}^\circ C\]:
  A)
  \[500{}^\circ C\]                              
  done clear
  B)
   \[819{}^\circ C\]
  done clear
  C)
  \[1071{}^\circ C\]            
  done clear
  D)
          \[1430{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer79) In equilibrium, the velocity of molecules of a gas depends on its temperature as:
  A)
   \[\upsilon \propto T\]                  
  done clear
  B)
          \[\upsilon \propto \frac{1}{T}\]
  done clear
  C)
   \[\upsilon \propto \sqrt{T}\]                    
  done clear
  D)
          \[\upsilon \propto {{T}^{0}}\]
  done clear
  View Answer play_arrow

• question_answer80) Which of the following series, lie in visible spectrum?
  A)
   Lyman                 
  done clear
  B)
          Balmer
  done clear
  C)
   Paschen             
  done clear
  D)
          found
  done clear
  View Answer play_arrow

• question_answer81) Escape velocity of a body depends upon its mass as:
  A)
   \[{{\upsilon }_{e}}\propto m\]
  done clear
  B)
   \[{{\upsilon }_{e}}\propto \frac{1}{m}\]
  done clear
  C)
   \[{{\upsilon }_{e}}\propto \sqrt{m}\]   
  done clear
  D)
   does not depend upon mass
  done clear
  View Answer play_arrow

• question_answer82) Time period of a pendulum in a freely falling lift is:
  A)
   84.6 min             
  done clear
  B)
          \[\infty \]
  done clear
  C)
   0                            
  done clear
  D)
          2 second
  done clear
  View Answer play_arrow

• question_answer83) According to law of equal distribution of energy the mean energy of a molecule per degree of freedom is:
  A)
   \[\frac{1}{2}KT\]                             
  done clear
  B)
          \[KT\]  
  done clear
  C)
   \[\frac{3}{2}KT\]                             
  done clear
  D)
          \[\frac{5}{2}KT\]
  done clear
  View Answer play_arrow

• question_answer84) If momentum of a particle increased 30%, then increase in its kinetic energy is:
  A)
   30%                      
  done clear
  B)
          60%
  done clear
  C)
   69%                      
  done clear
  D)
          80%
  done clear
  View Answer play_arrow

• question_answer85) If value of surface tension is 30 dyne cm then necessary work done in blowing a soap bubble from radius 2 cm to 4 cm will be:
  A)
   435 \[\pi \] erg                  
  done clear
  B)
          2880 \[\pi \]erg
  done clear
  C)
   1305\[\pi \] erg               
  done clear
  D)
   zero
  done clear
  View Answer play_arrow

• question_answer86) Hertz is the unit of:
  A)
   frequency         
  done clear
  B)
          intensity
  done clear
  C)
   momentum      
  done clear
  D)
          wavelength
  done clear
  View Answer play_arrow

• question_answer87) Orbital velocity of a planet revolving near the earth is:
  A)
   5 km/sec            
  done clear
  B)
          8 km/sec
  done clear
  C)
   10.5 km/sec      
  done clear
  D)
          11.2 km/sec
  done clear
  View Answer play_arrow

• question_answer88) Dimension of Planck's constant is similar to:
  A)
   linear momentum
  done clear
  B)
   angular momentum
  done clear
  C)
   torque
  done clear
  D)
   velocity
  done clear
  View Answer play_arrow

• question_answer89) Value of g at the surface of earth is \[10\,m/{{s}^{2}}\], then value of 'g' at a height \[R  {{  }_{e}}\], from surface of earth is:
  A)
  \[1\,m/{{s}^{2}}\]         
  done clear
  B)
  \[2.5\,m/{{s}^{2}}\]
  done clear
  C)
   \[4.5\,m/{{s}^{2}}\]     
  done clear
  D)
  \[10\,\,m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer90) Two particles of same mass having kinetic energies 100 J and 400 J, then ratio of their momentum will be:
  A)
   2 : 1                      
  done clear
  B)
          1 : 2 
  done clear
  C)
   4 : 1                      
  done clear
  D)
          1 : 4
  done clear
  View Answer play_arrow

• question_answer91) Dimensions of h is:
  A)
   \[[{{M}^{1}}{{L}^{1}}{{T}^{-2}}]\]            
  done clear
  B)
          \[[{{M}^{1}}{{L}^{2}}{{T}^{-1}}]\]
  done clear
  C)
   \[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]            
  done clear
  D)
          \[[{{M}^{1}}{{L}^{-2}}{{T}^{-2}}]\]
  done clear
  View Answer play_arrow

• question_answer92) A particle moving with velocity r collides with a particle of same mass moving with the same velocity in opposite direction. If collision is perfectly elastic men velocity of the first particle after collision will be :
  A)
   zero                     
  done clear
  B)
          \[2\,\upsilon \]   
  done clear
  C)
   \[\,\upsilon \]                                  
  done clear
  D)
          \[3\,\upsilon \]
  done clear
  View Answer play_arrow

• question_answer93) Transverse nature of light is examined by:
  A)
   dispersion         
  done clear
  B)
          scattering
  done clear
  C)
   diffraction         
  done clear
  D)
          polarization
  done clear
  View Answer play_arrow

• question_answer94) Unit of Planck's constant in M.K.S. system is:
  A)
   Joule/sec           
  done clear
  B)
          Joule-sec
  done clear
  C)
   erg/sec               
  done clear
  D)
          volt
  done clear
  View Answer play_arrow

• question_answer95) The angular velocity of a 20 cm rope if rotated in vertical ring, so that on highest point, its tension is zero:
  A)
   5 rad/sec           
  done clear
  B)
          2 rad/sec
  done clear
  C)
   7.5 rad/sec        
  done clear
  D)
          7 rad/sec
  done clear
  View Answer play_arrow

• question_answer96) A body takes \[{{t}_{1}}\] and \[{{t}_{2}}\] time respectively if fall from heights \[{{h}_{1}}\] and \[{{h}_{2}}\], then ratio of \[{{t}_{1}}\] and \[{{t}_{2}}\] is:
  A)
   \[{{h}_{1}}:{{h}_{2}}\]                  
  done clear
  B)
          \[\sqrt{{{h}_{1}}}:\sqrt{{{h}_{2}}}\]
  done clear
  C)
   \[{{h}_{1}}:2{{h}_{2}}\]                
  done clear
  D)
          \[2{{h}_{1}}:{{h}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer97) Two particles of mass 10 g and 40 g are moving with same kinetic energy, then ratio of linear momentum is:
  A)
   4 : 1                      
  done clear
  B)
          1 : 4
  done clear
  C)
   \[\sqrt{2}:1\]                   
  done clear
  D)
          1 : 2
  done clear
  View Answer play_arrow

• question_answer98) Total internal reflection is possible when light ray:
  A)
   enters into water from air
  done clear
  B)
   enters into glass from air
  done clear
  C)
   enters into water from glass
  done clear
  D)
   enters into glass from water
  done clear
  View Answer play_arrow

• question_answer99) If \[\hat{n}=a\hat{i}+b\hat{j},\] is perpendicular to (\[\hat{i}+\hat{j},\]then value of \[a\] and b is:
  A)
   1, 0                       
  done clear
  B)
          -2, 0
  done clear
  C)
   -3, 0                     
  done clear
  D)
          \[\frac{1}{\sqrt{2}},-\frac{1}{\sqrt{2}}\]
  done clear
  View Answer play_arrow

• question_answer100) \[\vec{a}\] and \[\vec{b}\] are such that \[|\vec{a}+\vec{b}|\,=\,|\vec{a}-\vec{b}\] then angle between \[\vec{a}\] and \[\vec{b}\] is:
  A)
   \[\pi /3\]            
  done clear
  B)
          \[\pi \]    
  done clear
  C)
   \[\pi /2\]            
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer101) Fermentation is:
  A)
   reversible                          
  done clear
  B)
                          exothermic
  done clear
  C)
                          endothermic    
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer102) The ionization percentage of \[0.2M\] \[HCN\] the solution is \[0.02%\]. What will be the value of ionization constant:
  A)
   \[8\times {{10}^{-5}}\]                 
  done clear
  B)
                          \[8\times {{10}^{-9}}\]
  done clear
  C)
                          \[8\times {{10}^{-7}}\]                 
  done clear
  D)
                          \[8\times {{10}^{-3}}\]
  done clear
  View Answer play_arrow

• question_answer103) Which one act as Bronsted acid as well as Bronsted base?
  A)
   \[C{{l}^{-}}\]                                     
  done clear
  B)
                          \[O{{H}^{-}}\]
  done clear
  C)
                          \[HCl\]                
  done clear
  D)
                          \[{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer104) If the pH of \[HCl\]solution is 2 then the molar concentration of this will be:
  A)
   \[0.01M\]                          
  done clear
  B)
                          \[2M\]
  done clear
  C)
                          \[0.4M\]                            
  done clear
  D)
                          \[0.02M\]
  done clear
  View Answer play_arrow

• question_answer105) \[B{{F}_{3}}\] molecule is:
  A)
   Lewis base                        
  done clear
  B)
                          Lewis acid                          
  done clear
  C)
                          Neutral                               
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer106) Which salt is insoluble in water?
  A)
   \[N{{H}_{4}}Cl\]                              
  done clear
  B)
                          \[KCl\]                
  done clear
  C)
                          \[N{{a}_{2}}S{{O}_{4}}\]                             
  done clear
  D)
                          \[NaCl\]
  done clear
  View Answer play_arrow

• question_answer107) Which compounds forms urotropine when reacts with \[N{{H}_{3}}\]?
  A)
   \[HCHO\]                           
  done clear
  B)
                          \[C{{H}_{3}}CHO\]                         
  done clear
  C)
                          \[C{{H}_{3}}COC{{H}_{3}}\]       
  done clear
  D)
                          \[{{C}_{6}}{{H}_{5}}OH\]
  done clear
  View Answer play_arrow

• question_answer108) The compound formed by the ozonolysis of acetylene:
  A)
   glycol          
  done clear
  B)
                          acetic acid
  done clear
  C)
                          ethylene ozonide
  done clear
  D)
                          glyoxal
  done clear
  View Answer play_arrow

• question_answer109) Number of electron in one molecule of \[N{{H}_{3}}\]:
  A)
   \[17\]                                  
  done clear
  B)
                          \[34\]  
  done clear
  C)
                          \[7\]                                    
  done clear
  D)
                          \[10\]
  done clear
  View Answer play_arrow

• question_answer110) The values of magnetic quantum number for  \[l=3\]:
  A)
   \[0,+1,+2,+3\]
  done clear
  B)
                          \[0,\pm 1,\pm 2,\pm 3\]
  done clear
  C)
                          \[-1,-2,-3\]
  done clear
  D)
                          \[\pm 1,\pm 2,\pm 3\]
  done clear
  View Answer play_arrow

• question_answer111) In the presence of ether, 2-chloropropane reacts with sodium and forms:
  A)
   n-hexane
  done clear
  B)
                          2, 3 dimethyl butane
  done clear
  C)
                          n-hexene
  done clear
  D)
                          \[C{{H}_{3}}-CH=C{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer112) The geometry of ammonia is:
  A)
   tetrahedral
  done clear
  B)
                          pyramidal
  done clear
  C)
                          triangular
  done clear
  D)
                          trigonal bipyramidal
  done clear
  View Answer play_arrow

• question_answer113) Which one is colorless?
  A)
   \[C{{o}^{2+}}\]                                
  done clear
  B)
                          \[N{{i}^{+2}}\]
  done clear
  C)
                          \[F{{e}^{3+}}\]                                
  done clear
  D)
                          \[C{{u}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer114) Which one have highest melting point
  A)
   \[CsCl\]                              
  done clear
  B)
                          \[N{{H}_{3}}\]
  done clear
  C)
                          \[He\]                                 
  done clear
  D)
                          \[CHC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer115) Which one will not show Cannizzaro reaction?
  A)
   Trimethyl acetaldehyde
  done clear
  B)
                          Formaldehyde
  done clear
  C)
                          Acetaldehyde
  done clear
  D)
                          Benzaldehyde
  done clear
  View Answer play_arrow

• question_answer116) When \[23g\]sodium metal reacts with methyl alcohol, it will form:
  A)
    \[1mole\]of \[{{H}_{2}}\]   
  done clear
  B)
                          \[2\,mole\]of \[{{H}_{2}}\]
  done clear
  C)
                          \[\frac{1}{2}mole\]of \[{{H}_{2}}\]   
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer117) Which inorganic compound on heating changes into organic compound?
  A)
   Ammonium cyanide
  done clear
  B)
                          Sodalime
  done clear
  C)
                          Potassium cyanide
  done clear
  D)
                          Sodamide
  done clear
  View Answer play_arrow

• question_answer118) Which of the following compound will not show aldol condensation?
  A)
   \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  B)
                          \[HCHO\]           
  done clear
  C)
                          \[C{{H}_{3}}CHO\]
  done clear
  D)
                          \[C{{H}_{3}}C{{H}_{2}}CHO\]
  done clear
  View Answer play_arrow

• question_answer119) In first transition series, which element show maximum oxidation states:
  A)
   \[Co\]                                 
  done clear
  B)
                          \[Mn\]
  done clear
  C)
                          \[Cr\]                  
  done clear
  D)
                          \[Fe\]
  done clear
  View Answer play_arrow

• question_answer120) The bad odour compound formed by the reaction between chloroform and aniline in the presence of alcoholic \[KOH\]:
  A)
   acetylene
  done clear
  B)
                          nitro benzene
  done clear
  C)
                          phenyl isocyanate
  done clear
  D)
                          chloromine
  done clear
  View Answer play_arrow

• question_answer121) \[N{{O}_{2}}+\frac{1}{2}{{O}_{2}}N{{O}_{3}}...........{{K}_{1}}\] \[2N{{O}_{2}}+{{O}_{2}}2N{{O}_{3}}...........{{K}_{2}}\] For the above reaction the relation between equilibrium constant is:
  A)
   \[{{K}_{2}}={{({{K}_{1}})}^{2}}\]
  done clear
  B)
                          \[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]
  done clear
  C)
                          \[{{K}_{2}}=\frac{1}{{{K}_{{{1}^{2}}}}}\]
  done clear
  D)
                          \[{{K}_{1}}={{K}_{2}}\]                                 
  done clear
  View Answer play_arrow

• question_answer122) The condensation product of reaction between phenol and phthalic anhydride:
  A)
   methyl orange 
  done clear
  B)
                         salicylic acid
  done clear
  C)
                          phenol red     
  done clear
  D)
                          phenolphthalein
  done clear
  View Answer play_arrow

• question_answer123) Which characteristic property is not shown by carboxylic acid group?
  A)
   Alkyl group    
  done clear
  B)
                          \[-COOH\] group
  done clear
  C)
                           group
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer124) The product of reaction between chloroform and acetone is used as:
  A)
   insecticide     
  done clear
  B)
                          analgesic
  done clear
  C)
                          hypnotic      
  done clear
  D)
                          war gas
  done clear
  View Answer play_arrow

• question_answer125) The strongest Bronsted base is:
  A)
   \[HCl{{O}_{2}}^{-}\]                      
  done clear
  B)
                          \[HCl{{O}^{-}}\]
  done clear
  C)
                          \[HCl{{O}_{3}}^{-}\]                      
  done clear
  D)
                          \[HCl{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer126) The compound which have conjugate double bond:
  A)
   butyne        
  done clear
  B)
                          butylene
  done clear
  C)
                          isobutylene    
  done clear
  D)
                          butadiene
  done clear
  View Answer play_arrow

• question_answer127) Which salt on heating; does not give brown gas on heating?
  A)
   \[LiN{{O}_{3}}\]                              
  done clear
  B)
                          \[AgN{{O}_{3}}\]
  done clear
  C)
                          \[Pb{{(N{{O}_{3}})}_{2}}\]                         
  done clear
  D)
                          \[KN{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer128) The product formed by the reaction between acetylene and \[HOCl\]:
  A)
   ethylene chloride
  done clear
  B)
                          vinyl chloride
  done clear
  C)
                          di chloro acetaldehyde
  done clear
  D)
                          ethyledene chloride
  done clear
  View Answer play_arrow

• question_answer129) The characteristic ion of an acid in an aqueous solution is:
  A)
   \[{{H}^{+}}\]                    
  done clear
  B)
                          \[{{H}_{{{2}^{+}}}}\]
  done clear
  C)
                          \[{{H}_{3}}{{O}^{+}}\]                  
  done clear
  D)
                          \[{{H}_{4}}{{O}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer130) The most paramagnetic is:
  A)
   \[C{{r}^{3+}}\]                 
  done clear
  B)
                          \[C{{O}^{2+}}\]
  done clear
  C)
                          \[M{{n}^{2+}}\]                              
  done clear
  D)
                          \[F{{e}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer131) The present undesirable matrix in mineral is called as:
  A)
   flux                                      
  done clear
  B)
                          slag
  done clear
  C)
                          gangue                               
  done clear
  D)
                          alloy
  done clear
  View Answer play_arrow

• question_answer132) The compound with maximum covalent character is:
  A)
   \[AlC{{l}_{3}}\]                
  done clear
  B)
                          \[Al{{I}_{3}}\]
  done clear
  C)
                          \[Ag{{I}_{2}}\]                 
  done clear
  D)
                          \[NaI\]
  done clear
  View Answer play_arrow

• question_answer133) \[N{{F}_{3}}\] and \[B{{F}_{3}}\]both are covalent, but \[B{{F}_{3}}\] is non-polar, while \[N{{F}_{3}}\] is polar because:
  A)
   Boron is non metal in free state, while \[{{N}_{2}}\]is gas
  done clear
  B)
                          There is no dipole moment in \[B-F\]bond while \[N-F\]bond have some dipole moment.
  done clear
  C)
                          \[B{{F}_{3}}\] is planar while \[N{{F}_{3}}\]is pyramidal
  done clear
  D)
                          Boron atom is smaller than nitrogen atom
  done clear
  View Answer play_arrow

• question_answer134) Many compounds are formed by carbon atom because of its:
  A)
   more reactivity                        
  done clear
  B)
                          covalent and ionic nature
  done clear
  C)
                          variable valency
  done clear
  D)
                          catenation nature
  done clear
  View Answer play_arrow

• question_answer135) For the complete combustion of 4 litre ethane, how much oxygen is required?
  A)
   \[14\text{ }litre\]           
  done clear
  B)
                          \[4\text{ }litre\]
  done clear
  C)
                          \[\text{8 }litre\]                              
  done clear
  D)
                          \[\text{12 }litre\]
  done clear
  View Answer play_arrow

• question_answer136) In a group of periodic table what is the basis of:
  A)
   ionic potential
  done clear
  B)
                          electron affinity
  done clear
  C)
                          electron negativity
  done clear
  D)
                          number of covalent electron
  done clear
  View Answer play_arrow

• question_answer137) The work of cone. \[{{H}_{2}}S{{O}_{4}}\] in esterification process is as:
  A)
   dehydrating agent and catalyst
  done clear
  B)
                          dehydrating agent
  done clear
  C)
                          hydrolyzing agent
  done clear
  D)
                          catalyst
  done clear
  View Answer play_arrow

• question_answer138) When magnesium is heated, the another compound formed with \[MgO\] is:
  A)
   \[M{{g}_{3}}{{N}_{2}}\]       
  done clear
  B)
                          \[Mg{{(N{{O}_{3}})}_{2}}\]
  done clear
  C)
                          \[MgC{{O}_{3}}\]   
  done clear
  D)
                          \[Mg{{(N{{O}_{3}})}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer139) The \[C-H\] bond energy in ethane, ethene and ethyne:
  A)
   more in ethane
  done clear
  B)
                          more in ethane
  done clear
  C)
                          more in ethyne
  done clear
  D)
                          same in all the above
  done clear
  View Answer play_arrow

• question_answer140) The solubility of \[AgCl\] is \[1.435gm/litre\]. What will be the solubility product?
  A)
   \[{{10}^{-4}}\]                                 
  done clear
  B)
                          \[0.01\]
  done clear
  C)
                          \[0.001\]                            
  done clear
  D)
                          \[0.1\]
  done clear
  View Answer play_arrow

• question_answer141) If two elements X and Y have 3 and 6 electrons in its outer most shell, then the molecular formula of compound formed by the combination of X and Y:
  A)
   \[XY\]                                  
  done clear
  B)
                          \[{{X}_{3}}Y~\]
  done clear
  C)
                          \[{{X}_{2}}Y\]                   
  done clear
  D)
                          \[{{X}_{2}}{{Y}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer142) The I.U.P.A.C. name of \[\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,.\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,\,\,\,\,.\,\,\,\underset{C{{H}_{2}}}{\overset{OH}{\mathop{|}}}\,\,\,\,\]is:
  A)
   1, 2, 3 propane tri-ol
  done clear
  B)
                          3-hydroxy butanoic acid
  done clear
  C)
                          1, 2 ethane di-ol
  done clear
  D)
                          3-methyl butanol-1
  done clear
  View Answer play_arrow

• question_answer143) The number of \[{{H}^{+}}\] ion in half normal solution of  \[N{{a}_{2}}C{{O}_{3}}\]and \[C{{H}_{3}}COOH\]:
  A)
   \[>{{10}^{-7}}m\]
  done clear
  B)
                          \[{{10}^{-7}}m\]
  done clear
  C)
                          \[<{{10}^{-7}}m\]
  done clear
  D)
                          \[{{10}^{-5}}m\]
  done clear
  View Answer play_arrow

• question_answer144) Which of the following is not a redox reaction?
  A)
   \[KCN+Fe{{(CN)}_{2}}\xrightarrow{{}}{{K}_{4}}[Fe{{(CN)}_{6}}]\]
  done clear
  B)
                          \[Rb+{{H}_{2}}O\xrightarrow{{}}RbOH+{{H}_{2}}\]
  done clear
  C)
                          \[{{H}_{2}}{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O+O\]
  done clear
  D)
                          \[Cu{{I}_{2}}\xrightarrow{{}}CuI+{{I}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer145) The correct electronic configuration of element with atomic number 29:            
  A)
   \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}\text{ }3{{d}^{10}},4{{s}^{1}}\]
  done clear
  B)
                          \[1{{s}^{2}},2{{s}^{2}}\,2{{p}^{6}},\,3{{s}^{2}}\,3{{p}^{6}}\,3{{d}^{11}}\]
  done clear
  C)
                          \[1{{s}^{2}},2{{s}^{2}},2{{p}^{6}}\text{ }3{{s}^{2}}\text{ }3{{p}^{17}}\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer146) Which of the following statement is correct for ketone and acetaldehyde?
  A)
   Both reacts with \[HCN\] and forms hydrine
  done clear
  B)
                          Both reacts with \[NaOH\]and forms polymer
  done clear
  C)
                          Both forms acid on oxidation and reduction
  done clear
  D)
                          Both forms alcohol on reduction and oxidation
  done clear
  View Answer play_arrow

• question_answer147) The prefix word 'alkali' for alkaline metals shows:
  A)
   lustre of silver  
  done clear
  B)
                          ashes of plant
  done clear
  C)
                          metallic nature
  done clear
  D)
                          active metal
  done clear
  View Answer play_arrow

• question_answer148) \[2X+2Y\xrightarrow{{}}2Z\] The equilibrium constant for the above reaction:
  A)
   \[\frac{[2X]\,[2Y]}{[2Z]}\]                           
  done clear
  B)
                          \[\frac{[X]\,[Y]}{[Z]}\]
  done clear
  C)
                                          \[\frac{\,{{[Z]}^{2}}}{{{[X]}^{2}}{{[Y]}^{2}}}\]                     
  done clear
  D)
                          \[\frac{\,{{[Z]}^{2}}}{[X][Y]}\]
  done clear
  View Answer play_arrow

• question_answer149) The solubility product for XY is:
  A)
   \[{{s}^{2}}\]                      
  done clear
  B)
                          \[2s\]                  
  done clear
  C)
                          \[4{{s}^{2}}\]                   
  done clear
  D)
                          \[2s\]
  done clear
  View Answer play_arrow

• question_answer150) Aldehyde and ketone can be differentiated by:
  A)
   sodium bi sulphite
  done clear
  B)
                          Fehling solution
  done clear
  C)
                          ammonia
  done clear
  D)
                          sulphuric acid
  done clear
  View Answer play_arrow

• question_answer151) The product of the reaction between chloral and \[NaOH\] is:
  A)
   \[C{{H}_{3}}COOH\]
  done clear
  B)
                          \[C{{H}_{3}}CHO\]
  done clear
  C)
                          \[CHC{{l}_{3}}\]     
  done clear
  D)
                          \[C{{H}_{3}}Cl\]
  done clear
  View Answer play_arrow

• question_answer152) The correct reactivity order is:
  A)
   \[C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
                          \[{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]
  done clear
  C)
                          \[C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>{{(C{{H}_{3}})}_{2}}CO\]
  done clear
  D)
                          \[C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO\]
  done clear
  View Answer play_arrow

• question_answer153) The example of condensation polymerization is:
  A)
   formaldehyde - met formaldehyde
  done clear
  B)
                          acetaldehyde - para acetaldehyde
  done clear
  C)
                          acetone - mesityl oxide
  done clear
  D)
                          ethene - polyethene
  done clear
  View Answer play_arrow

• question_answer154) The probability of finding of three impaired electron in nitrogen atom is defined by:
  A)
   Aufbau's principle
  done clear
  B)
                          Uncertainty principle
  done clear
  C)
                          Fault's principle
  done clear
  D)
                          Hund's rule
  done clear
  View Answer play_arrow

• question_answer155) In a reversible reaction if the concentration of reactants and products are doubled, the value of \[{{K}_{c}}\]will be:
  A)
   half of the initial value
  done clear
  B)
                          double of initial value
  done clear
  C)
                          one fourth of the initial value
  done clear
  D)
                          same the initial value
  done clear
  View Answer play_arrow

• question_answer156) The main product of heating of sodium formate at \[{{360}^{o}}C\]is:
  A)
   \[CO\]           
  done clear
  B)
                          sodium oxalate
  done clear
  C)
                          \[N{{a}_{2}}C{{O}_{3}}\]       
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer157) The number of \[\sigma \] (sigma) and \[\pi \] (pi) bonds in 1-butene-3-yne is:
  A)
   \[5\sigma ,5\pi \]           
  done clear
  B)
                          \[8\sigma ,6\pi \]
  done clear
  C)
                          \[7\sigma ,3\pi \]                           
  done clear
  D)
                          \[6\sigma ,4\pi \]
  done clear
  View Answer play_arrow

• question_answer158) The correct size of iodine atom and iodine ion is:
  A)
   \[{{I}^{-}}>{{I}^{+}}+I\]                
  done clear
  B)
                          \[I>{{I}^{+}}+{{I}^{-}}\]
  done clear
  C)
                          \[I>{{I}^{-}}+{{I}^{+}}\]                                
  done clear
  D)
                          \[{{I}^{+}}>I+{{I}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer159) The geometry of the compound of \[s{{p}^{3}}d\] hybridisation:
  A)
   pyramidal
  done clear
  B)
                          triangular
  done clear
  C)
                          planar
  done clear
  D)
                          trigonal bipyramidal
  done clear
  View Answer play_arrow

• question_answer160) Potassium nitrate is called:
  A)
   Mohr's salt
  done clear
  B)
                          Chily salt petre
  done clear
  C)
                          Indian salt petre
  done clear
  D)
                          Gypsum
  done clear
  View Answer play_arrow

• question_answer161) The value of \[{{K}_{h}}\] for salt of weak acid and weak base is:
  A)
   \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{a}}}\]
  done clear
  B)
                          \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{a}}.{{K}_{b}}}\]
  done clear
  C)
                          \[{{K}_{h}}=\frac{{{K}_{\omega }}}{{{K}_{h}}}\]
  done clear
  D)
                          hydrolysis does not occur
  done clear
  View Answer play_arrow

• question_answer162) Which one is required for the separation of proton from nucleus?
  A)
   Nucleus energy
  done clear
  B)
                          Thermal energy
  done clear
  C)
                          Binding energy
  done clear
  D)
                          Kinetic energy
  done clear
  View Answer play_arrow

• question_answer163) The compound formed by the reaction of ethyl-bromide and alcoholic \[KOH\] is:
  A)
   ethylene       
  done clear
  B)
                          acetylene
  done clear
  C)
                          ethane         
  done clear
  D)
                          ethyl alcohol
  done clear
  View Answer play_arrow

• question_answer164) The aqueous solution \[C{{H}_{3}}COONa\]will be:
  A)
   weak alkaline  
  done clear
  B)
                          acidic
  done clear
  C)
                          strong alkaline 
  done clear
  D)
                          neutral
  done clear
  View Answer play_arrow

• question_answer165) The formation of cyanohydrin from \[C{{H}_{3}}COC{{H}_{3}}\]is called:
  A)
   electrophilic substitution
  done clear
  B)
                          nucleophilic addition
  done clear
  C)
                          nucleophilic substitution
  done clear
  D)
                          electrophilic addition
  done clear
  View Answer play_arrow

• question_answer166) Passed in red hot iron of acetylene gives:
  A)
   benzene       
  done clear
  B)
                          vinyl acetylene
  done clear
  C)
                          ethane         
  done clear
  D)
                          ethelene
  done clear
  View Answer play_arrow

• question_answer167) The pair of compounds with maximum and minimum ionic character for \[LiCl\], \[RbCl,\] \[BeC{{l}_{2}}\]and \[MgC{{l}_{2}}\]:
  A)
   \[LiCI,MgC{{l}_{2}}\]
  done clear
  B)
                          \[RbCl,MgC{{l}_{2}}\]
  done clear
  C)
                          \[RbCl,BeC{{l}_{2}}\]
  done clear
  D)
                          \[MgC{{l}_{2}},BeC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer168) Which of the following compound obtained by Williamson's synthesis?
  A)
   Ether                                   
  done clear
  B)
                          Alcohol           
  done clear
  C)
                          Alkylhalide        
  done clear
  D)
                          Ketone
  done clear
  View Answer play_arrow

• question_answer169) The scientist responsible for the charge of electron is:
  A)
   Coulomb                            
  done clear
  B)
                          Thomson
  done clear
  C)
                          Chadwik                             
  done clear
  D)
                          Milikan
  done clear
  View Answer play_arrow

• question_answer170) At equilibrium, \[HCl\] is added in \[NaCl\]  solution, \[NaCl\] precipitates, because:
  A)
   \[HCl\] is strong acid
  done clear
  B)
                          \[HCl\] is weak acid                   
  done clear
  C)
                          the solubility of \[NaCl\] decreases
  done clear
  D)
                          ionic product of \[NaCl\] is more than \[{{K}_{sp}}\]
  done clear
  View Answer play_arrow

• question_answer171) In which compound addition of \[HBr\] does    not   show   according   to   Anti Markownikoff's rule?
  A)
   Benzene                            
  done clear
  B)
                          2-pentene
  done clear
  C)
                          2-butene       
  done clear
  D)
                          Propene          
  done clear
  View Answer play_arrow

• question_answer172) Lithopone is:
  A)
   \[Bas+ZnS{{O}_{4}}\]
  done clear
  B)
                          \[Zns+CaS{{O}_{4}}\]
  done clear
  C)
                          \[BaS{{O}_{4}}+ZnS\]
  done clear
  D)
                          \[MgS{{O}_{4}}+ZnS\]
  done clear
  View Answer play_arrow

• question_answer173) Which one is not ore of iron?
  A)
   Limonite      
  done clear
  B)
                          Caeseterite
  done clear
  C)
                          Sedarite       
  done clear
  D)
                          Magnetite
  done clear
  View Answer play_arrow

• question_answer174) Which isomerism is not shown by ether?
  A)
   Functional isomerism
  done clear
  B)
                          Position isomerism
  done clear
  C)
                          Metamerism
  done clear
  D)
                          Chain isomerism
  done clear
  View Answer play_arrow

• question_answer175) Least basic is:
  A)
   \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]   
  done clear
  B)
                          \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  C)
                          \[C{{H}_{3}}N{{H}_{2}}\]     
  done clear
  D)
                          \[{{(C{{H}_{3}}-C{{H}_{2}})}_{2}}N{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer176) The metal present in chlorophyll is:
  A)
   \[Fe\]                                  
  done clear
  B)
                          \[Ni\] 
  done clear
  C)
                          \[Mg\]                                                
  done clear
  D)
                          \[Zn\]
  done clear
  View Answer play_arrow

• question_answer177) In which of following compound has not \[+6\] oxidation number of S?
  A)
   \[S{{O}_{3}}\]                                                  
  done clear
  B)
                          \[{{H}_{2}}S{{O}_{4}}\]                
  done clear
  C)
                          \[S{{O}_{4}}^{-\,\,-}\]                                  
  done clear
  D)
                          \[{{H}_{2}}S{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer178) The correct order of acidity of acetic acid sulphuric acid and carbonic acid is:
  A)
   \[C{{H}_{3}}COOH<{{H}_{2}}S{{O}_{4}}<{{H}_{2}}C{{O}_{3}}\]
  done clear
  B)
                          \[{{H}_{2}}C{{O}_{3}}<C{{H}_{3}}COOH<{{H}_{2}}S{{O}_{4}}\]
  done clear
  C)
                          \[C{{H}_{3}}COOH<{{H}_{2}}C{{O}_{3}}<{{H}_{2}}S{{O}_{4}}\]
  done clear
  D)
                          \[{{H}_{2}}S{{O}_{4}}<{{H}_{2}}C{{O}_{3}}<C{{H}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer179) In which compound the rotation of carbon-carbon bond is minimum?
  A)
   Ethylene
  done clear
  B)
                          Acetylene
  done clear
  C)
                          Hexa chloro ethane
  done clear
  D)
                          Ethane
  done clear
  View Answer play_arrow

• question_answer180) Acetamide is:
  A)
   acidic                                   
  done clear
  B)
                          amphoteric
  done clear
  C)
                          basic                                    
  done clear
  D)
                          neutral
  done clear
  View Answer play_arrow

• question_answer181) In which compound \[Mn\] has minimum oxidation state?
  A)
   \[KMn{{O}_{4}}\]                           
  done clear
  B)
                          \[Mn{{O}_{2}}\]
  done clear
  C)
                          \[{{K}_{2}}Mn{{O}_{4}}\]                            
  done clear
  D)
                          \[M{{n}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer182) Which one have maximum magnetic momentum?
  A)
   \[3{{d}^{5}}\]                   
  done clear
  B)
                          \[3{{d}^{2}}\]
  done clear
  C)
                          \[3{{d}^{9}}\]                   
  done clear
  D)
                          \[3{{d}^{7}}\]
  done clear
  View Answer play_arrow

• question_answer183) \[2A+2B2C+2D\] For the above equation, the correct relationship is:
  A)
   \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-2}}\]
  done clear
  B)
                          \[{{K}_{p}}={{K}_{c}}\]
  done clear
  C)
                          \[{{K}_{p}}=\frac{{{K}_{c}}}{2}\]     
  done clear
  D)
                          \[{{K}_{p}}={{K}_{c}}{{(RT)}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer184) The nitration of benzene is:
  A)
   electrophilic addition
  done clear
  B)
                          electrophilic substitution
  done clear
  C)
                          nucleophilic addition
  done clear
  D)
                          nucleophilic substitution
  done clear
  View Answer play_arrow

• question_answer185) Benzene shows:
  A)
   substitution    
  done clear
  B)
                          oxidation
  done clear
  C)
                          addition       
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer186) An electronic configuration of a metal is 2, 8, 14 and mass number of metal is 56. Then the number of neutron in its nucleus is:
  A)
   \[32\]                                  
  done clear
  B)
                          \[30\]   
  done clear
  C)
                          \[34\]                                  
  done clear
  D)
                          \[42\]
  done clear
  View Answer play_arrow

• question_answer187) At room temperature formaldehyde is:
  A)
   liquid          
  done clear
  B)
                          solid
  done clear
  C)
                          gas            
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer188) The highest \[C-H\]bond energy in:
  A)
   ethene        
  done clear
  B)
                          ethyne
  done clear
  C)
                          ethane        
  done clear
  D)
                          equal in all
  done clear
  View Answer play_arrow

• question_answer189) Formic acid and acetic acid can be distinguished chemically by:
  A)
   reaction with \[HCl\]
  done clear
  B)
                          iodoform test
  done clear
  C)
                          reaction with \[N{{H}_{3}}\]
  done clear
  D)
                          reaction with \[FeC{{l}_{3}}\] solution
  done clear
  View Answer play_arrow

• question_answer190) \[CHC\equiv CH\xrightarrow[Ni]{{{H}_{2}}}A,\] product A is:
  A)
   \[C{{H}_{2}}=C{{H}_{2}}\]
  done clear
  B)
                          \[C{{H}_{4}}\]
  done clear
  C)
                           \[C{{H}_{3}}-C{{H}_{3}}\]
  done clear
  D)
                          \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer191) \[PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}}\]in this reversible reaction the moles of \[PC{{l}_{5}},\] \[PC{{l}_{3}},\] and \[C{{l}_{2}}\] are a, b and c respectively and total pressure is P then value of \[{{K}_{p}}\] is:
  A)
   \[\frac{bc}{a}.RT\]       
  done clear
  B)
                          \[\frac{b}{(a+b+c)}.P\]
  done clear
  C)
                          \[\frac{bc.P}{a(a+b+c)}\]
  done clear
  D)
                          \[\frac{c}{(a+b+c)}.P\]
  done clear
  View Answer play_arrow

• question_answer192) \[\underset{\begin{smallmatrix}  || \\  C{{H}_{2}} \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}\xrightarrow{{{O}_{3}}}X\xrightarrow{{{H}_{2}}O}Y+Z.\] In this reaction Y compound is:
  A)
   \[{{C}_{2}}{{H}_{5}}OH\]    
  done clear
  B)
                          \[HCHO\]
  done clear
  C)
                          \[C{{H}_{3}}OH\]  
  done clear
  D)
                          \[CH{{I}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer193) The correct reactivity order of alkyl halide is:
  A)
   \[RI>RCl>RBr\]
  done clear
  B)
                          \[RCl>RI>RBr\]
  done clear
  C)
                          \[RCl>RBr>RI\]
  done clear
  D)
                          \[RI>RBr>RCl\]
  done clear
  View Answer play_arrow

• question_answer194) The compound obtained by the reaction between urea and hydrazine is:
  A)
   barbituric acid 
  done clear
  B)
                          methyl urea
  done clear
  C)
                          semi carbide   
  done clear
  D)
                          acetamide
  done clear
  View Answer play_arrow

• question_answer195) Which indicator used in titration of sodium carbonate and \[HCl\]?
  A)
   \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
  done clear
  B)
                          \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]
  done clear
  C)
                          Phenolphthalien
  done clear
  D)
                          Methyl orange
  done clear
  View Answer play_arrow

• question_answer196) Which of the following set of four quantum number is not allowed for an electron of an atom?
  A)
   \[n=1,\,l=0,\,m=1,s=+\frac{1}{2}\]
  done clear
  B)
                          \[n=1,\,l=1,\,m=1,s=+\frac{1}{2}\]
  done clear
  C)
                          \[n=1,\,l=0,\,m=1,s=-\frac{1}{2}\]
  done clear
  D)
                          \[n=2,\,l=1,\,m=1,s=+\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer197) If two ice cube are in contact, pressure is exerted, which is responsible to joint the two ice cubes?
  A)
   Hydrogen bond
  done clear
  B)
                          Covalent bond
  done clear
  C)
                          van der Waal's bond
  done clear
  D)
                          Dipole attraction force
  done clear
  View Answer play_arrow

• question_answer198) \[Mn{{O}_{4}}+{{C}_{2}}O_{4}^{2-}+{{H}^{+}}\xrightarrow{{}}M{{n}^{2+}}\] \[+C{{O}_{2}}+{{H}_{2}}O\] In the above reaction the number of reactants respectively:
  A)
   \[2, 5, 16\]
  done clear
  B)
                          \[16, 3, 2\]
  done clear
  C)
                          \[2, 16, 5\]       
  done clear
  D)
                          \[5, 16, 2\]
  done clear
  View Answer play_arrow

• question_answer199) Operator genes are controls to which gene mechanism?
  A)
   Structural gene               
  done clear
  B)
   Activator gene
  done clear
  C)
   Regulator gene
  done clear
  D)
          Modulac gene
  done clear
  View Answer play_arrow

• question_answer200) How many ovum are developed in ovary of Hydra?
  A)
   Two                     
  done clear
  B)
          Many
  done clear
  C)
   One                     
  done clear
  D)
          Three
  done clear
  View Answer play_arrow

• question_answer201) Respiration in Ascaris is:
  A)
   aerobic respiration        
  done clear
  B)
   anaerobic respiration
  done clear
  C)
   both 'a' and 'b'
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer202) Type of blastula in chik is :
  A)
   discoblastula   
  done clear
  B)
   coeloblastula
  done clear
  C)
   amphiblastula                  
  done clear
  D)
   holoblastula
  done clear
  View Answer play_arrow

• question_answer203) Respiration pigment of blood in Cockroach is:
  A)
   haemozoine                     
  done clear
  B)
   haemocyanin
  done clear
  C)
   haemoglobin                   
  done clear
  D)
   absent
  done clear
  View Answer play_arrow

• question_answer204) Which organ is enlarged in malarial patient?
  A)
   Spleen                                
  done clear
  B)
   Kidney
  done clear
  C)
   Gall bladder                      
  done clear
  D)
   Liver
  done clear
  View Answer play_arrow

• question_answer205) Golgi body is:
  A)
   organ for protein synthesis
  done clear
  B)
   secretory organ
  done clear
  C)
   both 'a' and 'b'
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer206) DNA is specific because it has :
  A)
   numbers of nucleotides
  done clear
  B)
   specific nature of phosphate and sugar
  done clear
  C)
   arrangement of protein in DNA
  done clear
  D)
   specific nature  of purine and pyrimidines
  done clear
  View Answer play_arrow

• question_answer207) Role of carbohydrate in protoplasm :
  A)
   as catalyst                         
  done clear
  B)
   for energy
  done clear
  C)
   as enzymes      
  done clear
  D)
          for synthesis
  done clear
  View Answer play_arrow

• question_answer208) In Amoeba hyaline cap is formed by :
  A)
   around the food vacuole
  done clear
  B)
   around the contractile vacuole
  done clear
  C)
   around the nucleus       
  done clear
  D)
   on pseudopodia
  done clear
  View Answer play_arrow

• question_answer209) Which tissue covered with calcium phosphate?
  A)
   Bone                                   
  done clear
  B)
   Muscles
  done clear
  C)
   Mesenchyma   
  done clear
  D)
          Cartilage
  done clear
  View Answer play_arrow

• question_answer210) Lamp brush chromosomes are present in:
  A)
   Drosophilla                       
  done clear
  B)
   Ascaris
  done clear
  C)
   Hydra                  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer211) Comb jelly is member of which of phylum?
  A)
   Mollusca                            
  done clear
  B)
   Echinodermata
  done clear
  C)
   Coelenterata   
  done clear
  D)
          Ctenophora
  done clear
  View Answer play_arrow

• question_answer212) Jaws present in which of the following?
  A)
   Heradmania                     
  done clear
  B)
   Fishes
  done clear
  C)
   Pctromyzon      
  done clear
  D)
          Amphwxus
  done clear
  View Answer play_arrow

• question_answer213) Which of the following is not insect?
  A)
   Spider                                 
  done clear
  B)
   Grasshopper
  done clear
  C)
   Fly                        
  done clear
  D)
          Lepisma
  done clear
  View Answer play_arrow

• question_answer214) Microlecithal eggs are present in which animals?
  A)
   Insects                                
  done clear
  B)
   Aves
  done clear
  C)
   Fishes                 
  done clear
  D)
          Mammals
  done clear
  View Answer play_arrow

• question_answer215) Muscular movements of alimentary canal are known as :
  A)
   peristalsis                          
  done clear
  B)
   diastole
  done clear
  C)
   systole                  
  done clear
  D)
          muscles contraction
  done clear
  View Answer play_arrow

• question_answer216) From acrosome which secrets:
  A)
   hyaluronic acid                
  done clear
  B)
   hyaluronidase
  done clear
  C)
   TSH                      
  done clear
  D)
          fertilizing
  done clear
  View Answer play_arrow

• question_answer217) When embryonic development is completed in mother but the embryo not accept nutritent from mother. Which is known as:
  A)
   ovoviparous                     
  done clear
  B)
   viviparous
  done clear
  C)
   oviparous          
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer218) Gastrula is differ from blastula in:
  A)
   three germ layers          
  done clear
  B)
   micromeres
  done clear
  C)
   blastocoel         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer219) Which gland is worked opposite to pressure?
  A)
   Adrenal                              
  done clear
  B)
   Parathyroid
  done clear
  C)
   Pineal                  
  done clear
  D)
          Thyroid
  done clear
  View Answer play_arrow

• question_answer220) First heart sound is produced during closure of:
  A)
   auriculo-ventricular valves
  done clear
  B)
   eustechian valve
  done clear
  C)
   sinus valve
  done clear
  D)
   seminular valves
  done clear
  View Answer play_arrow

• question_answer221) In motor neuron the impulse following in which direction?
  A)
   In two direction              
  done clear
  B)
   In one direction
  done clear
  C)
   In all direction  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer222) Nucleated RBCs are present in which?
  A)
   Rabbit                 
  done clear
  B)
   Camel and Lama
  done clear
  C)
   Embryo of human          
  done clear
  D)
   Both 'b' and 'c'
  done clear
  View Answer play_arrow

• question_answer223) Sertoli cells are associated with :
  A)
   kidney of Rabbit             
  done clear
  B)
   ovary of Frog
  done clear
  C)
   testis of Rabbit                
  done clear
  D)
   ovary of Rabbit
  done clear
  View Answer play_arrow

• question_answer224) Final excretion in urine of which substance is :
  A)
   amino acid                        
  done clear
  B)
   urea
  done clear
  C)
   glucose and glycogen   
  done clear
  D)
   uric acid
  done clear
  View Answer play_arrow

• question_answer225) Haemoglobin in Earthworm is present in:
  A)
   RBC                                      
  done clear
  B)
   protoplasm
  done clear
  C)
   coelomic fluid  
  done clear
  D)
          plasma
  done clear
  View Answer play_arrow

• question_answer226) Gametes formation in animals is found in;
  A)
   ovary                   
  done clear
  B)
          gonads
  done clear
  C)
   gall bladder       
  done clear
  D)
          testis
  done clear
  View Answer play_arrow

• question_answer227) Fertilization in Earthworm is :
  A)
   cross fertilization
  done clear
  B)
   combined fertilization
  done clear
  C)
   self-fertilization              
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer228) Hydra is:
  A)
   herbivorous                     
  done clear
  B)
   more developed
  done clear
  C)
   carnivorous      
  done clear
  D)
          omnivorous
  done clear
  View Answer play_arrow

• question_answer229) Which pigment is cause of malaria?
  A)
   haemocyanine                
  done clear
  B)
   haemoglobin
  done clear
  C)
   haemozoine     
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer230) Changing of a small Cockroach into adults is know as:
  A)
   moulting                            
  done clear
  B)
   metamorphosis
  done clear
  C)
   ecdysis               
  done clear
  D)
          transformation
  done clear
  View Answer play_arrow

• question_answer231) Cockroach is an animal of which class?
  A)
   Hexapoda                         
  done clear
  B)
   Apoda
  done clear
  C)
   Meriopda          
  done clear
  D)
          Cephalopoda
  done clear
  View Answer play_arrow

• question_answer232) Formation of pseudopodia due to:
  A)
   chemical changes
  done clear
  B)
   viscosity changes
  done clear
  C)
   difference in pressure
  done clear
  D)
   changing in temperature
  done clear
  View Answer play_arrow

• question_answer233) Hydra is:
  A)
   triploblastic, radial symmetrical and acoelomate
  done clear
  B)
   triploblastic, radial symmetrical and coelomate
  done clear
  C)
   diplobalstic, radial symmetrical and acoelomate
  done clear
  D)
   diploblastic, radial symmetrical and coelomate
  done clear
  View Answer play_arrow

• question_answer234) Malignant malaria is cause by :
  A)
   Plasmodium falciparum
  done clear
  B)
   Plasmodium ovale
  done clear
  C)
   Plasmodium vivax
  done clear
  D)
   Plasmodium malariae
  done clear
  View Answer play_arrow

• question_answer235) Adenine is :
  A)
   pyrimidine base              
  done clear
  B)
   purine base
  done clear
  C)
   five carbon ring               
  done clear
  D)
   structure with ring
  done clear
  View Answer play_arrow

• question_answer236) \[1\,\mu \] is equal to:
  A)
   1 /1000 mm      
  done clear
  B)
   1 /100 mm
  done clear
  C)
   \[{{10}^{-9}}mm\]         
  done clear
  D)
          \[{{10}^{-6}}mm\]
  done clear
  View Answer play_arrow

• question_answer237) Defect in gene duplication is known as :
  A)
   transformation               
  done clear
  B)
   transduction
  done clear
  C)
   mutation           
  done clear
  D)
          none
  done clear
  View Answer play_arrow

• question_answer238) Cell division is :
  A)
   S - phase                            
  done clear
  B)
   \[{{G}_{2}}\]- phase
  done clear
  C)
   \[{{G}_{1}}\]- phase                     
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer239) RBC volume increase when put in :
  A)
   isotonic                              
  done clear
  B)
   protoplasm
  done clear
  C)
   hypertonic        
  done clear
  D)
          hypotonic
  done clear
  View Answer play_arrow

• question_answer240) Which Frog is found on trees?
  A)
   Altes                                    
  done clear
  B)
   Bufo
  done clear
  C)
   Hyla                     
  done clear
  D)
          Rana
  done clear
  View Answer play_arrow

• question_answer241) Class of insecta is:
  A)
   Decapoda                          
  done clear
  B)
   Octopoda
  done clear
  C)
   Hexapoda         
  done clear
  D)
          Apoda
  done clear
  View Answer play_arrow

• question_answer242) Paired vagina present in:
  A)
   Monotrimata                   
  done clear
  B)
   Eutheria
  done clear
  C)
   Marsupiales    
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer243) Outer covering of tunicates is formed by:
  A)
   tunicin                                
  done clear
  B)
   cellulose
  done clear
  C)
   chitin                   
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer244) Connecting link between bird and Reptiles is:
  A)
   Dodo                                   
  done clear
  B)
   Kiwi
  done clear
  C)
   Panguine           
  done clear
  D)
          Archaeopteryx
  done clear
  View Answer play_arrow

• question_answer245) Fishes are:
  A)
   homiothermal                 
  done clear
  B)
   poikilothermal
  done clear
  C)
   both 'a' and 'b'
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer246) The most relativity of CO than \[C{{O}_{2}}\] in which compound ?
  A)
   Carboxy haemoglobin
  done clear
  B)
   Oxygen
  done clear
  C)
   oxy haemoglobin           
  done clear
  D)
   Haemoglobin
  done clear
  View Answer play_arrow

• question_answer247) Dimorphism is present in which Protozoa ?
  A)
   lobosa  
  done clear
  B)
                                          Ciliata
  done clear
  C)
   Sporozoans      
  done clear
  D)
          Radiolarian
  done clear
  View Answer play_arrow

• question_answer248) Structural and function unit of kidney is :
  A)
   nephrone          
  done clear
  B)
   efferent arteriole
  done clear
  C)
   glornerulus       
  done clear
  D)
          neuron
  done clear
  View Answer play_arrow

• question_answer249) Medulla - oblongata is controls of:
  A)
   blood pressure
  done clear
  B)
          smell or odour
  done clear
  C)
   high temperature          
  done clear
  D)
   low temperature
  done clear
  View Answer play_arrow

• question_answer250) Infective stage of Ascaris is :
  A)
   embryonated eggs        
  done clear
  B)
   sporozoite
  done clear
  C)
   cysticercus larva             
  done clear
  D)
   rhabditiform larva
  done clear
  View Answer play_arrow

• question_answer251) In Hydra, which substance of nematocyst worked as hipnotizing substance?
  A)
   Glutatheone                    
  done clear
  B)
   Heparin
  done clear
  C)
   Histamin            
  done clear
  D)
          Hypnotoxine
  done clear
  View Answer play_arrow

• question_answer252) Which stage is comes just after cleavage?
  A)
   Invagination    
  done clear
  B)
                          Evagination
  done clear
  C)
   Gastrula             
  done clear
  D)
          Blastula
  done clear
  View Answer play_arrow

• question_answer253) Capsulogenous gland is present in :
  A)
   ovary                   
  done clear
  B)
          cocoon
  done clear
  C)
   spermatheca   
  done clear
  D)
          collnterial gland
  done clear
  View Answer play_arrow

• question_answer254) All mechanism of living organism divided in two parts:
  A)
   reproduction and evolution
  done clear
  B)
   nutrition and metabolism
  done clear
  C)
   synthesis and metabolism
  done clear
  D)
   reproduction and internal autonomy
  done clear
  View Answer play_arrow

• question_answer255) When the particles are distributed freely in colloid then it called :
  A)
   sol                        
  done clear
  B)
          suspension matter
  done clear
  C)
   emulsion                           
  done clear
  D)
   gel
  done clear
  View Answer play_arrow

• question_answer256) Sucking of liquids from surface by cell known as:
  A)
   diffusion                            
  done clear
  B)
   phagocytosis
  done clear
  C)
   pinocytosis                       
  done clear
  D)
   osmosis
  done clear
  View Answer play_arrow

• question_answer257) Life start from which substance to upper?
  A)
   molecule                           
  done clear
  B)
   amino acid
  done clear
  C)
   mixture substance        
  done clear
  D)
   complex
  done clear
  View Answer play_arrow

• question_answer258) Which type of image is found in eye of Cockroach ?
  A)
   Mosaic                                
  done clear
  B)
   Superposition
  done clear
  C)
   Overlapping     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer259) Broad description of Amoeba given by:
  A)
   Ronald Ross                      
  done clear
  B)
   Aristotle
  done clear
  C)
   Harshfeild         
  done clear
  D)
          Rosenholf
  done clear
  View Answer play_arrow

• question_answer260) In Amoeba binary fission is by :
  A)
   amitosis                             
  done clear
  B)
   mitosis
  done clear
  C)
   meiosis               
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer261) Which of the following animals are not present in fresh water?
  A)
   Crustacea                          
  done clear
  B)
   Insecta
  done clear
  C)
   Echinodermata
  done clear
  D)
          Sponges
  done clear
  View Answer play_arrow

• question_answer262) Elephant tusk shell is:
  A)
   chitin                                   
  done clear
  B)
   nautilus
  done clear
  C)
   patella                
  done clear
  D)
          dentalium
  done clear
  View Answer play_arrow

• question_answer263) Aristotle lantern is present in:
  A)
   Antedon                            
  done clear
  B)
   Solaster
  done clear
  C)
   Sea-urchin                        
  done clear
  D)
   Sea-cucumber
  done clear
  View Answer play_arrow

• question_answer264) Retrogressive metamorphosis is present in
  A)
   Herdmania      
  done clear
  B)
   Balanoglossus
  done clear
  C)
   Amphioxus      
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer265) Which of the following class of Protozoa is totally class of parasites?
  A)
   Mestigophora                 
  done clear
  B)
   Ciliata
  done clear
  C)
   Sporozoa                           
  done clear
  D)
   Rhizopoda
  done clear
  View Answer play_arrow

• question_answer266) Dicondylic stage and ten pairs of cranial 'nerves are present in following?
  A)
   Reptilia                               
  done clear
  B)
   Aves
  done clear
  C)
   Amphibia           
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer267) Which vitamin is formed by skin?
  A)
   Vitamin - B                        
  done clear
  B)
   Vitamin - E
  done clear
  C)
   Vitamin - D        
  done clear
  D)
          Vitamin - A
  done clear
  View Answer play_arrow

• question_answer268) Corpus leuteum secrets:
  A)
   LH                                         
  done clear
  B)
   progesterone
  done clear
  C)
   estrogen            
  done clear
  D)
          FSH
  done clear
  View Answer play_arrow

• question_answer269) Urea is synthesized in:
  A)
   liver                                     
  done clear
  B)
   intestine
  done clear
  C)
   stomach             
  done clear
  D)
          kidney
  done clear
  View Answer play_arrow

• question_answer270) Respiratory centre is present where:
  A)
   cerebrum                          
  done clear
  B)
   hypothalamus
  done clear
  C)
   cerebellum       
  done clear
  D)
          medulla oblongata
  done clear
  View Answer play_arrow

• question_answer271) Which of the following Sponge is present in river?
  A)
   Cliona                                 
  done clear
  B)
   Spongilla
  done clear
  C)
   Sycon                  
  done clear
  D)
          Hyalonema
  done clear
  View Answer play_arrow

• question_answer272) Which structure is formed by keratin?
  A)
   Dermal papilla
  done clear
  B)
   Hair shaft
  done clear
  C)
   Root of hair      
  done clear
  D)
          Hair follicle
  done clear
  View Answer play_arrow

• question_answer273) Origin of nervous system from :
  A)
   meso-endoderm           
  done clear
  B)
   mesoderm
  done clear
  C)
   endoderm        
  done clear
  D)
          ectoderm
  done clear
  View Answer play_arrow

• question_answer274) Thyroxin is secreted by which gland?
  A)
   Adrenal                              
  done clear
  B)
   Parathyroid
  done clear
  C)
   Pituitary             
  done clear
  D)
          Thyroid
  done clear
  View Answer play_arrow

• question_answer275) Which substance is secreted by corpus leuteum?
  A)
   Hormone                           
  done clear
  B)
   Unzyme
  done clear
  C)
   Pheromone      
  done clear
  D)
          Bile
  done clear
  View Answer play_arrow

• question_answer276) Segments of Earthworm are called :
  A)
   metamere                        
  done clear
  B)
   sarcomere
  done clear
  C)
   prostomium     
  done clear
  D)
          podomeres
  done clear
  View Answer play_arrow

• question_answer277) Zymogenic cell is present in:
  A)
   corpora adipose
  done clear
  B)
   salivary gland of Cockroach
  done clear
  C)
   gizzard of Cockroach
  done clear
  D)
   compound eye of Cockroach
  done clear
  View Answer play_arrow

• question_answer278) Penial setae are present in male Ascaris:
  A)
   in cloaca                             
  done clear
  B)
   in rectum
  done clear
  C)
   anus                    
  done clear
  D)
          mouth
  done clear
  View Answer play_arrow

• question_answer279) Larval stage of Hydra is :
  A)
   planula                               
  done clear
  B)
   rhabditiform
  done clear
  C)
   trochophore    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer280) Female reproductive organ of Ascaris are :
  A)
   protandrous                     
  done clear
  B)
   polydelphic
  done clear
  C)
   didelphic            
  done clear
  D)
          monodelphic
  done clear
  View Answer play_arrow

• question_answer281) Which parasite is present in seminal vessicle of Earth worm?
  A)
   Monocystis                       
  done clear
  B)
   Nosema
  done clear
  C)
   Sarcocystis        
  done clear
  D)
          Nictotherus
  done clear
  View Answer play_arrow

• question_answer282) Malarial parasite harmful for liver cells in which cycle?
  A)
   Erythrocytic cycle
  done clear
  B)
   After erythrocytic cycle
  done clear
  C)
   Before erythrocytic cycle
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer283) Ascaris is completed its life cycle :
  A)
   only in Human
  done clear
  B)
   Human and Sheep
  done clear
  C)
   Human and Mosquito
  done clear
  D)
   Human and Cow
  done clear
  View Answer play_arrow

• question_answer284) Malarial parasite is observed by :
  A)
   Sir Ronald Ross                
  done clear
  B)
   Laveran
  done clear
  C)
   Patric Mantion
  done clear
  D)
   Grassi
  done clear
  View Answer play_arrow

• question_answer285) Ribunucleoprotein particles of protoplasm are:
  A)
   ribosomes                         
  done clear
  B)
   plastid                 
  done clear
  C)
   golgi body         
  done clear
  D)
          cristae
  done clear
  View Answer play_arrow

• question_answer286) Which cell is without nucleus?
  A)
   Erythrocyte                      
  done clear
  B)
   Leucocytes
  done clear
  C)
   Muscles cells   
  done clear
  D)
          Bone cells
  done clear
  View Answer play_arrow

• question_answer287) Endoplasmic reticulum is absent in which?
  A)
   Monocytes of human
  done clear
  B)
   WBC of human
  done clear
  C)
   Embryonic cells
  done clear
  D)
   RBC of mammals
  done clear
  View Answer play_arrow

• question_answer288) Function of contractile vacuole in Amoeba is:
  A)
   osmoregulation              
  done clear
  B)
   nutrition
  done clear
  C)
   respiration        
  done clear
  D)
          excretion
  done clear
  View Answer play_arrow

• question_answer289) Main function of ribosomes is :
  A)
   fat synthesis                    
  done clear
  B)
   sterol synthesis
  done clear
  C)
   protein synthesis
  done clear
  D)
         none of these
  done clear
  View Answer play_arrow

• question_answer290) Which bird of the following is viviparous ?
  A)
   Panguine                           
  done clear
  B)
   Humming bird
  done clear
  C)
   Albatross           
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer291) Snake felt sound from :
  A)
   tympanum                        
  done clear
  B)
   body
  done clear
  C)
   internal ear       
  done clear
  D)
          earth
  done clear
  View Answer play_arrow

• question_answer292) Fiberous tissue which connect bone to bone is:
  A)
   ligaments                          
  done clear
  B)
   cartilage
  done clear
  C)
   connective tissue
  done clear
  D)
         tendon
  done clear
  View Answer play_arrow

• question_answer293) Deltoid groove is present in :
  A)
   redio-ulna                         
  done clear
  B)
   femur
  done clear
  C)
   tibio-fibula        
  done clear
  D)
          humerus
  done clear
  View Answer play_arrow

• question_answer294) Pneumatophore is helpful in:
  A)
   feeding                              
  done clear
  B)
   reproduction
  done clear
  C)
   defence                             
  done clear
  D)
   floating
  done clear
  View Answer play_arrow

• question_answer295) Which nerves arise from spinal cord are?
  A)
   Mixed nerves                  
  done clear
  B)
   Motor
  done clear
  C)
   Sensory              
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer296) Iris of eve sensitive for :
  A)
   light                                     
  done clear
  B)
   chemical
  done clear
  C)
   heal                     
  done clear
  D)
          all
  done clear
  View Answer play_arrow

• question_answer297) Main character of phylum Porifera is:
  A)
   canal system
  done clear
  B)
   water vascular system
  done clear
  C)
   reproductive system
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer298)  Which of the following is shift in chloride-shift?
  A)
   \[{{O}_{2}}\] and\[C{{O}_{2}}\]
  done clear
  B)
   Bicarbonate ions
  done clear
  C)
   \[C{{O}_{2}}\]                           
  done clear
  D)
              \[{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer299) The pH of protoplasm is:
  A)
   6.0                        
  done clear
  B)
   6.8   
  done clear
  C)
   7.8        
  done clear
  D)
          8.2
  done clear
  View Answer play_arrow

• question_answer300) The maximum element found in cytoplasm is:
  A)
   C                           
  done clear
  B)
          He   
  done clear
  C)
   H                           
  done clear
  D)
          N
  done clear
  View Answer play_arrow

• question_answer301) The enzymes found in lysosome are:
  A)
   hydrolytic enzymes
  done clear
  B)
   proteases enzymes
  done clear
  C)
   lipases enzymes
  done clear
  D)
   cellulases enzymes
  done clear
  View Answer play_arrow

• question_answer302) Chromosome was discovered by:
  A)
   Hofmeister       
  done clear
  B)
   Muller
  done clear
  C)
   Flemming     
  done clear
  D)
          Hammerling
  done clear
  View Answer play_arrow

• question_answer303) Insectivorous plant is:
  A)
   Cuscuta
  done clear
  B)
                          Drosera
  done clear
  C)
   Striga                  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer304) Mycoplasma is resistant for:
  A)
   penicillin       
  done clear
  B)
          tetracycline
  done clear
  C)
   streptomycin   
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer305) The reduction division in chromosomes takes place in:
  A)
   pollen grains
  done clear
  B)
          tapetum
  done clear
  C)
   megaspore cell
  done clear
  D)
   megaspore mother cell
  done clear
  View Answer play_arrow

• question_answer306) Calvin cycle takes place in:
  A)
   grana                                   
  done clear
  B)
   stroma
  done clear
  C)
   intra thylakoid
  done clear
  D)
          matrix
  done clear
  View Answer play_arrow

• question_answer307) The hormone which prevents abscission is:
  A)
   IBA       
  done clear
  B)
                          ABA
  done clear
  C)
   K-N                      
  done clear
  D)
          GA
  done clear
  View Answer play_arrow

• question_answer308) 'Sagopalm' is obtained from:
  A)
   Pinus                                   
  done clear
  B)
   Cycas
  done clear
  C)
   Ginkgo               
  done clear
  D)
          Date palm
  done clear
  View Answer play_arrow

• question_answer309) Which of the following is not the function of 'golgi body??
  A)
   Protein synthesis
  done clear
  B)
   Formation of 'cell wall
  done clear
  C)
   Formation of fatty acids
  done clear
  D)
   Formation of plasma membrane
  done clear
  View Answer play_arrow

• question_answer310) The RNA found in eukaryotic ribosome are:
  A)
   5S and 16S RNA               
  done clear
  B)
   5S, 16S, 185 RNA
  done clear
  C)
    23S, 16S, RNA
  done clear
  D)
          5S and 28S RNA
  done clear
  View Answer play_arrow

• question_answer311) Water is not necessary for the fertilization of:
  A)
   algae                                   
  done clear
  B)
   bryophyta
  done clear
  C)
   Cycas                  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer312) The biomass pyramid of forest ecosystem is:
  A)
   linear    
  done clear
  B)
                          inverted
  done clear
  C)
   tetra angle     
  done clear
  D)
          upright
  done clear
  View Answer play_arrow

• question_answer313) After pollination the number of chromosome in egg. will be:
  A)
    n
  done clear
  B)
                                          2n
  done clear
  C)
   3n                         
  done clear
  D)
          none
  done clear
  View Answer play_arrow

• question_answer314) Double fertilization is the:
  A)
   fertilization of two eggs in an embryo sac
  done clear
  B)
   fusion of one male gamete with the egg cell and another male gamete with the secondary nuclei
  done clear
  C)
   fusion of two male gametes with two polar nuclei
  done clear
  D)
   fusion of one male gamete with secondary nucleus
  done clear
  View Answer play_arrow

• question_answer315) The significance of mitochondria was given by:
  A)
   Flemming   
  done clear
  B)
          Meves
  done clear
  C)
   Mendel              
  done clear
  D)
          Altman
  done clear
  View Answer play_arrow

• question_answer316) Mitochondria contains:
  A)
   only DNA                           
  done clear
  B)
   DNA and RNA
  done clear
  C)
   only RNA           
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer317) Which of the following shows minimum                number of chromosomes?
  A)
   n : 1                                      
  done clear
  B)
   n : 2
  done clear
  C)
   n : 3      
  done clear
  D)
                          n : 4
  done clear
  View Answer play_arrow

• question_answer318) Which of the following is formed in light reaction of photosynthesis?
  A)
   ATP
  done clear
  B)
                                          \[NADP{{H}_{2}}\]
  done clear
  C)
   \[{{O}_{2}}\]                    
  done clear
  D)
          All the above
  done clear
  View Answer play_arrow

• question_answer319) In lysogenic phase which of the following takes place?
  A)
   Phage DNA integrated with host genome and does not multiplied
  done clear
  B)
   phage DNA does not integrate with host genome
  done clear
  C)
   Phage DNA integrates with host genome and bacterial cell does not lyse
  done clear
  D)
   Phage DNA integrated with host DNA and multiplied
  done clear
  View Answer play_arrow

• question_answer320) Who proposed 'fluid mosaic model' of plasma membrane?
  A)
   Singer and Nicholson
  done clear
  B)
   Robertson
  done clear
  C)
   Benneson
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer321) The development of sporangium in Pteridium is a:
  A)
   leptosporangiate type
  done clear
  B)
   eusporangiate type
  done clear
  C)
   both  and  type
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer322) Respiratory roots (pneumatophores) are present in:
  A)
   mesophytes    
  done clear
  B)
   halophytes
  done clear
  C)
   xerophytes     
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer323) The cell wall of fungi is formed by:
  A)
   chitin and mannose
  done clear
  B)
   cellulose
  done clear
  C)
   glucose
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer324) Which is present in vascular bundle of Pinus?
  A)
   Tracheids           
  done clear
  B)
   Vessels
  done clear
  C)
   Companion cells             
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer325) Growth of stem in diameter is due to:
  A)
   apical cell
  done clear
  B)
   lateral meristem
  done clear
  C)
   apical meristem
  done clear
  D)
   intercalary meristem
  done clear
  View Answer play_arrow

• question_answer326) The plant group in which stomata opens in night is?
  A)
   Mesuphytes    
  done clear
  B)
   Succulents
  done clear
  C)
   Hydrophytes   
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer327) The right equation for water potential is:
  A)
   \[\Psi ={{\Psi }_{p}}-(\Psi +{{\Psi }_{m}})\]
  done clear
  B)
   \[\Psi ={{\Psi }_{p}}+({{\Psi }_{s}}-{{\Psi }_{m}})\]
  done clear
  C)
   \[{{\Psi }_{w}}={{\Psi }_{s}}+{{\Psi }_{p}}\]
  done clear
  D)
                   \[{{\Psi }_{w}}={{\Psi }_{p}}+{{\Psi }_{\pi }}+{{\Psi }_{m}}\]
  done clear
  View Answer play_arrow

• question_answer328) The 'respiratory quotient' of fat is:
  A)
   0.7                                        
  done clear
  B)
   1.5
  done clear
  C)
   1                            
  done clear
  D)
          2
  done clear
  View Answer play_arrow

• question_answer329) The chloroplast in Ulothrix is:
  A)
   girdle shaped                   
  done clear
  B)
   stellate
  done clear
  C)
   reticulate       
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer330) The fruit of Solanaceae family is:
  A)
   Berry                                   
  done clear
  B)
   Capsule
  done clear
  C)
   Pome                                  
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer331) Gaseous plant hormone is:
  A)
   ethylene            
  done clear
  B)
   auxin
  done clear
  C)
   gibberellin     
  done clear
  D)
          cytokinin
  done clear
  View Answer play_arrow

• question_answer332) Which of the following is not involve in symbiotic nitrogen fixation?
  A)
   Nostoc                                
  done clear
  B)
   Rhizobium
  done clear
  C)
   Oscillatoria     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer333) Alkaloid obtained from Papaver somniferum is:
  A)
   nicotine              
  done clear
  B)
   cocaine
  done clear
  C)
   morphine      
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer334) Transpiration rate will increase if:
  A)
   there is humid atmosphere and high wind
  done clear
  B)
   mere is humid atmosphere and low wind
  done clear
  C)
   there is high temperature and low wind
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer335) Which of the following test is used for AIDS?
  A)
   ELISA test                          
  done clear
  B)
   Western blot test
  done clear
  C)
   P.C.R.  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer336) Hormone which controls the stomatal movement is:
  A)
   GA                                        
  done clear
  B)
   ABA
  done clear
  C)
   \[\text{IAA}\]                  
  done clear
  D)
          KA
  done clear
  View Answer play_arrow

• question_answer337) The aquatic species of bryophytes are :
  A)
   Riccia fluitans and Ricciocarpus natans
  done clear
  B)
   fluitans  and R. discolor
  done clear
  C)
   R fluitans  and R. abbusieance
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer338) What is the reason for the presence of water drops on the leaves of plants in the morning?
  A)
   Secretion           
  done clear
  B)
   Guttation
  done clear
  C)
   Tranpiration   
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer339) In which colour the rate of photosynthesis is maximum?
  A)
   Violet                                  
  done clear
  B)
   Green
  done clear
  C)
   Yellow                                 
  done clear
  D)
   Red
  done clear
  View Answer play_arrow

• question_answer340) The first carbon dioxide acceptor in Calvin cycle is:
  A)
   PEP carboxylase             
  done clear
  B)
   RuBP carboxylase
  done clear
  C)
   RuBP oxygenase
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer341) The element which is found in chlorophyll molecule:
  A)
   B                                           
  done clear
  B)
   Mg
  done clear
  C)
   Na                        
  done clear
  D)
          Fe
  done clear
  View Answer play_arrow

• question_answer342) Yeast shows:
  A)
   ha p lob ion tic alternation of generation
  done clear
  B)
   diplobiontic alternation of generation
  done clear
  C)
   haplo-diplobiontic alternation of generation
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer343) The longest gymnospermic plant is:
  A)
   Sequoia dendron           
  done clear
  B)
   Pinns
  done clear
  C)
   Cycas                                    
  done clear
  D)
   Cinchona
  done clear
  View Answer play_arrow

• question_answer344) Krebs' cycle takes place in:
  A)
   matrix of mitochondria
  done clear
  B)
   cristae of mitochondria
  done clear
  C)
   membrane of mitochondria
  done clear
  D)
   cytoplasm
  done clear
  View Answer play_arrow

• question_answer345) Family of Atropa belladonna is:
  A)
   Solanaceae       
  done clear
  B)
   Malvaceae
  done clear
  C)
   Cruciferae      
  done clear
  D)
          Liliaceae
  done clear
  View Answer play_arrow

• question_answer346) Asafoetida is obtained from which part of the plant:
  A)
   Stem                                   
  done clear
  B)
   Bud
  done clear
  C)
   Leaf                     
  done clear
  D)
          Root
  done clear
  View Answer play_arrow

• question_answer347) False statement is:
  A)
   ribosome made up of ribo proteins
  done clear
  B)
   ribosome is single membrane bound organelle
  done clear
  C)
   membrane is absent in ribosome
  done clear
  D)
   ribosome consists of two sub units
  done clear
  View Answer play_arrow

• question_answer348) Mycorrhiza is the relation of:
  A)
   algae and fungi
  done clear
  B)
   bryophyta and fungi
  done clear
  C)
   higher plants and fungi
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer349) Reserpine obtains from:
  A)
   Cinchona           
  done clear
  B)
   Sarpgandha
  done clear
  C)
   Neem                 
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer350) From which part of the 'Cinchona' 'quenine' obtains?
  A)
   Bark of stem   
  done clear
  B)
   Leaf
  done clear
  C)
   Root                    
  done clear
  D)
          flower
  done clear
  View Answer play_arrow

• question_answer351) In a normal dicot leaf the phloem in the                midrib faces:
  A)
   upper epidermis
  done clear
  B)
   lower epidermis
  done clear
  C)
   centre of vascular bundle
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer352) The embryo formed from ovule is known as:
  A)
   parthenogenesis            
  done clear
  B)
   parthenocarpy
  done clear
  C)
   double fertilization
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer353) Phytochrome is similar to:
  A)
   carotene
  done clear
  B)
                          xanthophyll
  done clear
  C)
   phycobilins       
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer354) The cause of 'mad cow' disease in England was:
  A)
   screpia protein                
  done clear
  B)
   bacteria
  done clear
  C)
   virus                    
  done clear
  D)
          mycoplasma
  done clear
  View Answer play_arrow

• question_answer355) Active absorption of water is affected by:
  A)
   osmosis in cytoplasm
  done clear
  B)
   transpiration pull
  done clear
  C)
   osmatic tissue
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer356) The characteristics of family Malvaceae is:
  A)
   monadelphous               
  done clear
  B)
   diadelphous
  done clear
  C)
   tetradelphous  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer357) Dark reaction takes place in:
  A)
   day                                       
  done clear
  B)
   night
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer358) Gemma cups in Marchantia are present on:
  A)
   apical notch
  done clear
  B)
   ventral side of thallus
  done clear
  C)
   dorsal side of thallus
  done clear
  D)
   both dorsal and ventral side
  done clear
  View Answer play_arrow

• question_answer359) Resolving power of compound microscope is:
  A)
   2.75 \[\mu m\]                
  done clear
  B)
   27.5 \[\mu m\]
  done clear
  C)
   0.275 \[\mu m\]       
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer360) Cleistothecium forms in which of the following?
  A)
   Ascomycotina                 
  done clear
  B)
   Aspergillus
  done clear
  C)
   Both (a) and (b)
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer361) When two odd characters are present in a gene this is known as:
  A)
   heterogamous                
  done clear
  B)
   dioecious
  done clear
  C)
   homogamous  
  done clear
  D)
          monoecious
  done clear
  View Answer play_arrow

• question_answer362) Which of the following is false statement?
  A)
   Bacteriophage attacking on E. coli is called T-Phage.
  done clear
  B)
   T-phage is tadpole in shape
  done clear
  C)
   \[\text{-}\]phage contains single thread
  done clear
  D)
   \[\text{-}\]phage contains two thread.
  done clear
  View Answer play_arrow

• question_answer363) The zoospores of Oedogonium contains:
  A)
   aflagellate         
  done clear
  B)
   ring of flagella
  done clear
  C)
   tetraflagellate   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer364) The mycelium of Albugo is:
  A)
   haploid, septate, uninucleate
  done clear
  B)
   haploid, aseptate, multinucleate
  done clear
  C)
   diploid, septate, uninucleate
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer365) Avena curvature test' performed by:
  A)
   P. Scoog                             
  done clear
  B)
   F. W. Went
  done clear
  C)
   Odem                 
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer366) Who divide plants into four group on the basis of temperature?
  A)
   Warming            
  done clear
  B)
   Odem
  done clear
  C)
   Raunkiaer     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer367) The main force for translocation is:
  A)
   cohesion force                
  done clear
  B)
   endosmosis
  done clear
  C)
   electro-magnetic
  done clear
  D)
   osmotic power
  done clear
  View Answer play_arrow

• question_answer368) The fertile layer of Agaricus is known as:
  A)
   hymenium                        
  done clear
  B)
   sub hymenium
  done clear
  C)
   trama  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer369) \[{{F}_{2}}\] ratio of monohybrid cross is:
  A)
   1 : 2                                      
  done clear
  B)
   1 : 2 : 1
  done clear
  C)
   3 : 1                      
  done clear
  D)
          1 : 1
  done clear
  View Answer play_arrow

• question_answer370) On selfing heterozygous, long, \[{{F}_{1}}\]  generations plants both long and dwarf plants obtained in \[{{F}_{2}}\] generation this shows:
  A)
   law of dominance
  done clear
  B)
   law of segregation
  done clear
  C)
   law of independent assortment
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer371) Peristome of Funaria contains:
  A)
   4 teeths in single ring
  done clear
  B)
   32 teeths in two rings
  done clear
  C)
   16 teeths
  done clear
  D)
   18 teeths in two rings
  done clear
  View Answer play_arrow

• question_answer372) Which of the following shows fermentation?
  A)
   Yeast                                   
  done clear
  B)
   Gymnosperm
  done clear
  C)
   Angiosperm     
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer373) Which of the following is not xerophytic plant?
  A)
   Opuntia             
  done clear
  B)
   Jujube
  done clear
  C)
   Caparis               
  done clear
  D)
          Vallisneria
  done clear
  View Answer play_arrow

• question_answer374) Plants who flowers single time in their life cycle is known as:
  A)
   monocarpic      
  done clear
  B)
   holocarpic
  done clear
  C)
   polocarpic
  done clear
  D)
          eucarpic
  done clear
  View Answer play_arrow

• question_answer375) Nucleic acid is absent in:
  A)
   nucleus              
  done clear
  B)
          mitochondria
  done clear
  C)
   chloroplast     
  done clear
  D)
          golgi body
  done clear
  View Answer play_arrow

• question_answer376) The conditions in which photo respiration takes place are:
  A)
   high concentration of \[{{O}_{2}}\] and low \[C{{O}_{2}}\]
  done clear
  B)
   low light and high concentration of \[{{O}_{2}}\]
  done clear
  C)
   low temperature and high concentration of \[C{{O}_{2}}\]
  done clear
  D)
   low concentration of  \[{{O}_{2}}\] and high \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer377) Which of the following is floral formula of Brassica campestris?
  A)
   \[\oplus \,{{K}_{4}}\,{{C}_{4}}\,{{A}_{4+\,2}}\,{{\underline{G}}_{(2)}}\,\]            
  done clear
  B)
   \[\oplus \,{{K}_{4}}\,{{C}_{5}}\,{{A}_{10}}\,{{\underline{G}}_{(5)}}\,\]  
  done clear
  C)
   \[%\,{{K}_{4}}\,{{C}_{2+3}}\,{{A}_{5}}\,{{\underline{G}}_{(2)}}\,\]         
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer378) Root pressure is due to:
  A)
   passive absorption
  done clear
  B)
   active absorption
  done clear
  C)
   in creasement in transpiration
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer379) The last product of aerobic respiration is:
  A)
   starch and oxygen
  done clear
  B)
   water and energy
  done clear
  C)
   water, carbon in oxide and energy
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer380) Fermentation is found in:
  A)
   all fungus
  done clear
  B)
   all bacteria
  done clear
  C)
   some bacteria and some fungus
  done clear
  D)
   all micro-organism
  done clear
  View Answer play_arrow

• question_answer381) Which electron carrier is found in both photo phosphorylation and oxidative phosphorylation?
  A)
   Oxygen              
  done clear
  B)
          Carbon dioxide
  done clear
  C)
   Cytochrome   
  done clear
  D)
          Water
  done clear
  View Answer play_arrow

• question_answer382) The long chain fatty acids are oxidized by
  A)
   \[\beta \]-oxidation    
  done clear
  B)
          \[\alpha \]-oxidation
  done clear
  C)
   both (a) and (b)
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer383) Hill reaction is:
  A)
   absorption of oxygen   
  done clear
  B)
   \[C{{O}_{2}}\] fixation
  done clear
  C)
   light reduction
  done clear
  D)
   photolysis of water
  done clear
  View Answer play_arrow

• question_answer384) The country which produces maximum part of greenhouse gases in the world is:
  A)
   Russia                 
  done clear
  B)
          Germany
  done clear
  C)
   Brazil                   
  done clear
  D)
          America
  done clear
  View Answer play_arrow

• question_answer385) The exarch primary xylem is found in:
  A)
   all roots        
  done clear
  B)
          all leaves
  done clear
  C)
   monocot stem  
  done clear
  D)
          dicot stem
  done clear
  View Answer play_arrow

• question_answer386) Sieve tube is:
  A)
   without nucleus
  done clear
  B)
          multinucleate
  done clear
  C)
   uninucleate    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer387) The monocot plant shows secondary growth is:
  A)
   Sugarcane     
  done clear
  B)
          Coconut
  done clear
  C)
   Maize                  
  done clear
  D)
          Yucca
  done clear
  View Answer play_arrow

• question_answer388) The function of smooth endoplasmic reticulum is:
  A)
   fat synthesis    
  done clear
  B)
          protein synthesis
  done clear
  C)
   RNA synthesis 
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer389) Which of the following is related to Mycology?
  A)
   Dr. K.C, Mehta
  done clear
  B)
   Dr. S.R. Kashyap
  done clear
  C)
   Dr. P. Maheshwari   
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer390) Which of the following is parasitic nature?                            
  A)
   Laminaria          
  done clear
  B)
   Cephaleuros
  done clear
  C)
   Chara                  
  done clear
  D)
          Sytonema
  done clear
  View Answer play_arrow

• question_answer391)   In photosynthesis oxygen is evolved From:
  A)
   water                  
  done clear
  B)
          carbon dioxide
  done clear
  C)
   both (a) and (b)
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer392) Synapsis takes place in:
  A)
   leptotene phase
  done clear
  B)
          zygotene phase              
  done clear
  C)
   pachytene phase
  done clear
  D)
           diplotcne phase                
  done clear
  View Answer play_arrow

• question_answer393) Famous famine of Bengal in 1942-43 was due to destruction of Rice crop by:
  A)
   Helminthosporium
  done clear
  B)
         Rhizopus             
  done clear
  C)
                Puccinia               
  done clear
  D)
          None of the above             
  done clear
  View Answer play_arrow

• question_answer394) The change of starch into carbonic acid is related with:
  A)
   closing of stomata
  done clear
  B)
                  opening of stomata           
  done clear
  C)
   stimulation of stomata          
  done clear
  D)
   none of the above           
  done clear
  View Answer play_arrow

• question_answer395) \[{{C}_{4}}-\]plants is also known as:      
  A)
   Calvin type         
  done clear
  B)
              Hatch and Slack type          
  done clear
  C)
   Emmersion type                 
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer396) DNA is made up of:               
  A)
   nucleotides    
  done clear
  B)
          nucleosides
  done clear
  C)
   polypeptides   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer397) Which of the following is produced by the degradation of carbohydrate an aerobically?
  A)
   Fructose \[+{{H}_{2}}O\]
  done clear
  B)
   \[C{{O}_{2}}+{{H}_{2}}O\]
  done clear
  C)
   Glucose \[+{{H}_{2}}O\]
  done clear
  D)
   Alcohol \[+C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer398) Tylosis are found in:               
  A)
   xylem vessels     
  done clear
  B)
           phloem tracheids               
  done clear
  C)
   cambium             
  done clear
  D)
           none of the above
  done clear
  View Answer play_arrow