Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-2009

done Rajasthan - PMT Solved Paper-2009 Total Questions - 300

• question_answer1) The value of current J in the circuit will be
  A)
   1.7 A                                    
  done clear
  B)
   2.1 A                    
  done clear
  C)
   3 A                        
  done clear
  D)
          zero
  done clear
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• question_answer2) Two plane mirrors are inclined to each other at angle \[60{}^\circ \]. Ray incident on first mirror parallel to the second mirror becomes parallel to first mirror after reflection. Angle of deviation is
  A)
  \[30{}^\circ \]                                   
  done clear
  B)
  \[60{}^\circ \]
  done clear
  C)
  \[90{}^\circ \]                   
  done clear
  D)
          \[120{}^\circ \]
  done clear
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• question_answer3) The equivalent capacitance of the circuit will be
  A)
   \[\text{1}\text{F}\]                                       
  done clear
  B)
   \[\text{3}\text{F}\]
  done clear
  C)
   \[\text{9}\text{F}\]                       
  done clear
  D)
          \[\text{4}\text{F}\]
  done clear
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• question_answer4) If the equivalent capacitance between A and B is \[\text{1}\text{F,}\]then the value of C will be
  A)
   \[\text{2}\text{F}\]                                       
  done clear
  B)
   \[\text{4}\text{F}\]
  done clear
  C)
   \[\text{3}\text{F}\]                       
  done clear
  D)
          \[\text{6}\text{F}\]
  done clear
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• question_answer5) If the input is given between A and C, then the output at the ends of R will be
  A)
   fully rectified                   
  done clear
  B)
   half rectified
  done clear
  C)
   AC                        
  done clear
  D)
          None of these
  done clear
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• question_answer6) If the acceleration-displacement graph of simple harmonic motion of a particle is given, then the time period of the particle will be
  A)
   \[\text{2}\pi \]                                                
  done clear
  B)
   \[\text{3}\pi \]
  done clear
  C)
   \[4\pi \]                              
  done clear
  D)
          \[\text{5}\pi \]
  done clear
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• question_answer7) Figure shows four, p-V diagram for the given sample of gas. In which case no exchange of heat occurs with the sample?
  A)
   P                                           
  done clear
  B)
   Q
  done clear
  C)
   R                           
  done clear
  D)
   S
  done clear
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• question_answer8) The charge on a particle Y is double the charge on particle X. These two particles X and Y after being accelerated through the same potential difference enter a region of uniform magnetic field and describe circular paths of radii R1 and R2 respectively. The ratio of the mass of X to that of Y is
  A)
   \[{{(2{{R}_{1}}/{{R}_{2}})}^{2}}\]             
  done clear
  B)
   \[{{({{R}_{1}}/2{{R}_{2}})}^{2}}\]
  done clear
  C)
   \[R_{1}^{2}/2R_{2}^{2}\]            
  done clear
  D)
          \[2{{R}_{1}}/{{R}_{2}}\]
  done clear
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• question_answer9) In a step up transformer the turn ratio is 1 : 10. A resistance of\[200\,\Omega \]connected across the secondary is drawing a current of 0.5 A. What is the primary voltage and current?
  A)
   50 V, 1 A                             
  done clear
  B)
   10 V, 5 A
  done clear
  C)
   25 V, 4 A             
  done clear
  D)
          20 V, 2 A
  done clear
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• question_answer10) Dimensions of \[{{\varepsilon }_{0}}\] are
  A)
   \[\text{ }\!\![\!\!\text{ M}{{\text{L}}^{\text{-1}}}{{\text{T}}^{\text{2}}}\text{A }\!\!]\!\!\text{ }\]         
  done clear
  B)
   \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{2}}{{\text{L}}^{\text{-3}}}{{\text{T}}^{\text{2}}}\text{A }\!\!]\!\!\text{ }\]
  done clear
  C)
   \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{-1}}{{\text{L}}^{\text{-3}}}{{\text{T}}^{\text{4}}}{{\text{A}}^{2}}\text{ }\!\!]\!\!\text{ }\]     
  done clear
  D)
          \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{2}}{{\text{L}}^{\text{3}}}{{\text{T}}^{\text{-2}}}\text{A }\!\!]\!\!\text{ }\]
  done clear
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• question_answer11) Dimensions of \[\frac{R}{L}\]are
  A)
   \[[{{T}^{2}}]\]                                  
  done clear
  B)
   \[[T]\]
  done clear
  C)
   \[[{{T}^{-1}}]\]                
  done clear
  D)
          \[[{{T}^{-2}}]\]
  done clear
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• question_answer12) The unit of magnetic moment is
  A)
   \[A-{{m}^{2}}\]               
  done clear
  B)
   A-m
  done clear
  C)
   \[A-{{m}^{3}}\]               
  done clear
  D)
          \[kg-{{m}^{3}}\]
  done clear
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• question_answer13) In SI system the unit of dipole moment is
  A)
   C-m                                      
  done clear
  B)
   \[C-{{m}^{2}}\]
  done clear
  C)
   \[C/{{m}^{2}}\]               
  done clear
  D)
          C/m
  done clear
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• question_answer14) Electron volt is a unit of
  A)
   potential                            
  done clear
  B)
   charge
  done clear
  C)
   power                 
  done clear
  D)
          energy
  done clear
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• question_answer15) Which of the following can be written as\[\text{kg-}{{\text{m}}^{\text{2}}}{{\text{A}}^{\text{-2}}}{{\text{T}}^{\text{-2}}}\text{?}\]
  A)
   Inductance       
  done clear
  B)
   Reactance
  done clear
  C)
   Capacitance      
  done clear
  D)
          Resistance
  done clear
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• question_answer16) If the frequency of\[{{K}_{\alpha ,}}\] X-ray of the element of atomic number 31 is\[f,\] then the frequency of\[{{K}_{\alpha ,}}\] X-ray for atomic number 51 is
  A)
   25/9 \[f\]                           
  done clear
  B)
   16/25\[f\]
  done clear
  C)
   9/25 \[f\]           
  done clear
  D)
          zero
  done clear
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• question_answer17) A bird weighing 1 kg sitting on the base of a wire mesh cage weighing 1.5 kg. The bird starts flying in the cage. The weight of the bird cage assembly will be
  A)
   1250g                                  
  done clear
  B)
   1500g
  done clear
  C)
   1750g                  
  done clear
  D)
          None of these
  done clear
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• question_answer18) If the escape velocity for a monkey from the earth surface is 11.2 km/s, then the escape velocity for the elephant is
  A)
   less than 11.2                   
  done clear
  B)
   more than 11.2
  done clear
  C)
   11.2 km/s          
  done clear
  D)
          None of these
  done clear
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• question_answer19) If the sphere of iron is heated, then its
  A)
   density decreases         
  done clear
  B)
   volume increases
  done clear
  C)
   radius decreases            
  done clear
  D)
   None of these
  done clear
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• question_answer20) If a bar magnet is droping through the copper ring, then its velocity
  A)
   decreases        
  done clear
  B)
   increases
  done clear
  C)
   remain unaffected        
  done clear
  D)
   None of these
  done clear
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• question_answer21) The power factor of a good choke coil is
  A)
   nearly zero      
  done clear
  B)
   exactly zero
  done clear
  C)
   nearly one       
  done clear
  D)
          exactly one
  done clear
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• question_answer22) If two spheres of same masses and radius are brought in contact, then the force of attraction between them will be proportional to
  A)
   \[{{r}^{2}}\]                                      
  done clear
  B)
   \[{{r}^{3}}\]
  done clear
  C)
   \[{{r}^{6}}\]                      
  done clear
  D)
          \[{{r}^{4}}\]
  done clear
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• question_answer23) Capacitors are used for
  A)
   AC                        
  done clear
  B)
          DC
  done clear
  C)
   Both AC and DC 
  done clear
  D)
         None of these
  done clear
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• question_answer24) The ratio of current flowing through primary and secondary of a transformers depends on
  A)
   number of turns             
  done clear
  B)
   resistance
  done clear
  C)
   capacitance      
  done clear
  D)
          inductance
  done clear
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• question_answer25) A proton, a deuteron and an a-particle having the same momentum, enters a region of uniform electric field between the parallel plates of a capacitor. If the electric field is perpendicular to the initial direction of the particles. Then, the ratio of deviations of these particles
  A)
   1 : 2 : 8                                
  done clear
  B)
   1 : 2 : 4
  done clear
  C)
   1 : 2 : 2                
  done clear
  D)
          1 : 1 : 2
  done clear
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• question_answer26) If a radioactive substance decays \[\frac{\text{1}}{\text{16}}\text{th}\] of its original amount in 2 h, then the half-life of that substance is
  A)
   15 min                                 
  done clear
  B)
   30 min
  done clear
  C)
   45 min                 
  done clear
  D)
          None of these
  done clear
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• question_answer27) If on applying the potential of 20 V on a conductor its conductance becomes\[8\,{{(\Omega )}^{-1}},\] then the current flowing through it will be
  A)
   120 A                                   
  done clear
  B)
   160 A
  done clear
  C)
   90 A                     
  done clear
  D)
          80 A
  done clear
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• question_answer28) Equivalent resistance of the given circuit is
  A)
   R                                           
  done clear
  B)
   R/2
  done clear
  C)
   R/4                       
  done clear
  D)
          R/6
  done clear
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• question_answer29) In a biprism experiment by using light of wavelength \[5000\overset{\text{o}}{\mathop{\text{A}}}\,,\] 5 mm wide fringes are obtained on a screen 1.0 m away from the coherent sources. The separation between the two coherent sources is
  A)
   1.0 mm                               
  done clear
  B)
   0.1 mm
  done clear
  C)
   0.05 mm             
  done clear
  D)
          0.01 mm
  done clear
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• question_answer30) The power of lens used by a short-sighted person is -2 D. Find the maximum distance of an object, which he can see without spectacles
  A)
   25 cm                                  
  done clear
  B)
   50 cm
  done clear
  C)
   100 cm                
  done clear
  D)
          10 cm
  done clear
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• question_answer31) Kirchhoffs first law \[(\Sigma i=0)\] expresses the conservation of
  A)
   energy                                
  done clear
  B)
   charge
  done clear
  C)
   momentum      
  done clear
  D)
          None of these
  done clear
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• question_answer32) In p-type semiconductors majority charge carriers are
  A)
   electrons                           
  done clear
  B)
   holes
  done clear
  C)
   neutrons           
  done clear
  D)
          protons
  done clear
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• question_answer33) A \[1\,\mu F\] capacitance of TV is subjected to 4000 V potential difference. The energy stored in the capacitor is
  A)
   8 J                                         
  done clear
  B)
   16 J
  done clear
  C)
   \[4\times {{10}^{-3}}\,J\]            
  done clear
  D)
          \[2\times {{10}^{-3}}\,J\]
  done clear
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• question_answer34) A body moves a distance of 10 m along a straight line under the action of a force of 5 N. If the work done is 25 J the angle, which the force makes with the direction of motion of the body is
  A)
   \[0{}^\circ \]                                     
  done clear
  B)
  \[30{}^\circ \]
  done clear
  C)
  \[60{}^\circ \]                   
  done clear
  D)
         \[90{}^\circ \]
  done clear
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• question_answer35) A particle of mass m is projected with a velocity v making an angle of \[45{}^\circ \] with the horizontal. The magnitude of angular momentum of the projectile about the axis of projection, when the particle is at maximum height
  A)
   zero                     
  done clear
  B)
          \[\frac{m{{v}^{3}}}{4\sqrt{2g}}\]
  done clear
  C)
   \[\frac{m{{v}^{3}}}{\sqrt{2g}}\]                               
  done clear
  D)
          \[\frac{m{{v}^{2}}}{2g}\]
  done clear
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• question_answer36) If the moment of inertia of a disc about an axis tangential and parallel to its surface be\[l,\]then what will be the moment of inertia about the axis tangential but perpendicular to the surface?
  A)
   \[\frac{6}{5}I\]                                
  done clear
  B)
   \[\frac{3}{4}I\]
  done clear
  C)
   \[\frac{3}{2}I\]                
  done clear
  D)
          \[\frac{5}{4}I\]
  done clear
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• question_answer37) The magnetic needle of a tangent galvanometer is deflected by an angle \[30{}^\circ \] due to a magnet. The horizontal component of earths magnetic field is \[0.34\,\times {{10}^{-4}}T\] along the plane of the coil. The intensity of magnetic field of magnet is
  A)
   \[1.96\,\times {{10}^{-4}}T\]     
  done clear
  B)
   \[1.96\,\times {{10}^{-5}}T\]
  done clear
  C)
   \[1.96\,\times {{10}^{4}}T\]       
  done clear
  D)
          \[1.96\,\times {{10}^{5}}T\]
  done clear
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• question_answer38) A coil of resistance R and inductance L is connected to a battery of emf E volt. The final current in the coil is
  A)
   \[\text{E/R}\]                                  
  done clear
  B)
   \[\text{E/L}\]
  done clear
  C)
   \[\sqrt{E/({{R}^{2}}+{{L}^{2}})}\]  
  done clear
  D)
         \[\sqrt{\frac{EL}{({{R}^{2}}+{{L}^{2}})}}\]
  done clear
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• question_answer39) The refractive indices of violet and red light are 1.54 and 1.52 respectively. If the angle of the prism is \[10{}^\circ \], the angular dispersion is
  A)
  \[0.02{}^\circ \]                                
  done clear
  B)
  \[0.2{}^\circ \]
  done clear
  C)
  \[3.06{}^\circ \]                
  done clear
  D)
          \[30.6{}^\circ \]
  done clear
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• question_answer40) The focal lengths of the objective and eye-piece of a telescope are respectively 100 cm and 2 cm. The moon substends an angle of \[0.5{}^\circ \] at the eye. If it is looked through the telescope, the angle subtended by the moons image will be
  A)
  \[100{}^\circ \]      
  done clear
  B)
                         \[50{}^\circ \]
  done clear
  C)
   \[25{}^\circ \]                  
  done clear
  D)
         \[10{}^\circ \]
  done clear
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• question_answer41) The temperature of a body on Kelvin scale is found to be x K. When it is measured by Fahrenheit thermometer, it is found to be\[x{}^\circ F\], then the value of x is
  A)
   30                                         
  done clear
  B)
   313
  done clear
  C)
   574.25                 
  done clear
  D)
          301.25
  done clear
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• question_answer42) 42.          Two containers of equal volume contain the same gas at pressure\[{{P}_{1}}\]and\[{{P}_{2}}\]and absolute                 temperature\[{{T}_{1}}\]and\[{{T}_{2}}\]respectively. On joining the vessels the gas reaches a common pressure p and common temperature T. The      ratio p/T is equal to
  A)
   \[\frac{{{P}_{1}}}{{{T}_{1}}}+\frac{{{P}_{2}}}{{{T}_{2}}}\]                             
  done clear
  B)
   \[\frac{{{p}_{1}}{{T}_{1}}+{{p}_{2}}{{T}_{2}}}{{{({{T}_{1}}+{{T}_{2}})}^{2}}}\]
  done clear
  C)
   \[\frac{{{p}_{1}}{{T}_{2}}+{{p}_{2}}{{T}_{1}}}{{{({{T}_{1}}+{{T}_{2}})}^{2}}}\]      
  done clear
  D)
          \[\frac{{{p}_{1}}}{2{{T}_{1}}}\,+\frac{{{p}_{2}}}{2{{T}_{2}}}\]
  done clear
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• question_answer43) \[1\,c{{m}^{3}}\] of water at its boiling point absorbs 540 cal of heat to become steam with a volume of \[1671\,c{{m}^{3}}\].  If  the  atmospheric  pressure \[=1.013\times {{10}^{5}}\,N/{{m}^{2}}\]  and  the   mechanical equivalent of heat= 4.19J/cal, the energy spent in this process in overcoming intermolecular forces is
  A)
   540 cal                                 
  done clear
  B)
   40 cal
  done clear
  C)
   500 cal                 
  done clear
  D)
          zero
  done clear
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• question_answer44) N atoms of a radioactive element emit n-alpha particles per second. The half-life of the element is
  A)
  \[\frac{n}{N}s\]               
  done clear
  B)
          \[\frac{N}{n}s\]
  done clear
  C)
   \[\frac{0.693N}{n}s\]    
  done clear
  D)
          \[\frac{0.693n}{N}s\]
  done clear
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• question_answer45) Two long parallel wires P and Q are both perpendicular to the plane of the paper with distance 5 m between them. If P and Q carry current of 2.5 A and 5 A respectively in the same direction, then the magnetic field at a point half way between the wires is
  A)
   \[\frac{\sqrt{3}{{\mu }_{0}}}{2\pi }\]                     
  done clear
  B)
          \[\frac{{{\mu }_{0}}}{\pi }\]
  done clear
  C)
   \[\frac{3{{\mu }_{0}}}{2\pi }\]                  
  done clear
  D)
          \[\frac{{{\mu }_{0}}}{2\pi }\]
  done clear
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• question_answer46) An alternating potential of frequency\[f\]is applied on a circuit containing a resistance R and a choke L in series. The impedance of this current is
  A)
   \[R+2\pi fL\]                     
  done clear
  B)
   \[\sqrt{{{R}^{2}}+4{{\pi }^{2}}{{f}^{2}}{{L}^{2}}}\]
  done clear
  C)
   \[\sqrt{{{R}^{2}}+{{L}^{2}}}\]      
  done clear
  D)
          \[\sqrt{{{R}^{2}}+2\pi fL}\]
  done clear
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• question_answer47) There is a voltmeter in a circuit. In order to triple its range, the resistance of how much value should be used?
  A)
   2R                                         
  done clear
  B)
   R/2
  done clear
  C)
   3R                         
  done clear
  D)
          4R
  done clear
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• question_answer48) A wire is bent in the form of a triangle now the equivalent resistance R between its one end and the midpoint of the side is
  A)
   \[\frac{5R}{12}\]             
  done clear
  B)
                          \[\frac{7R}{12}\]
  done clear
  C)
   \[\frac{3R}{12}\]                             
  done clear
  D)
          \[\frac{R}{12}\]
  done clear
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• question_answer49) Which of the following is incorrect?
  A)
   \[{{C}_{V}}=\frac{R}{\gamma -1}\]                         
  done clear
  B)
   \[{{C}_{P}}=\frac{\gamma R}{\gamma -1}\]
  done clear
  C)
   \[\frac{{{C}_{P}}}{{{C}_{V}}}=\gamma \]             
  done clear
  D)
          \[{{C}_{P}}-{{C}_{V}}=2R\]
  done clear
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• question_answer50) A mass of 20 kg moving with a speed of 10 m/s collides with another stationary mass of 5 kg. As a result of the collision both masses stick together. The kinetic energy of the composite mass will be
  A)
   600 J                                    
  done clear
  B)
   800 J
  done clear
  C)
   1000 J                  
  done clear
  D)
          1200 J
  done clear
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• question_answer51) The electric field between two parallel plates of a capacitor is \[2.1\,\times {{10}^{-5}}\]. If a medium is inserted between the plates than the electric field becomes \[1.0\,\times {{10}^{-5}}\]. Now, the value of dielectric will be
  A)
   2                                            
  done clear
  B)
   3
  done clear
  C)
   4                            
  done clear
  D)
          5
  done clear
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• question_answer52) A ray of light propagates from glass (refractive index = 3/2) to water (refractive index = 4/3). The value of the critical angle is
  A)
   \[{{\sin }^{-1}}\left( \frac{1}{2} \right)\]                               
  done clear
  B)
   \[{{\sin }^{-1}}\left( \sqrt{\frac{8}{9}} \right)\]
  done clear
  C)
   \[{{\sin }^{-1}}\left( \frac{8}{9} \right)\]               
  done clear
  D)
          \[{{\sin }^{-1}}\left( \frac{5}{7} \right)\]
  done clear
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• question_answer53) An electric heater of resistance\[6\,\Omega \] is run for 10 min on a 120 V line. The energy liberated in this period of time is
  A)
   \[7.2\,\times {{10}^{3}}J\]          
  done clear
  B)
   \[14.4\,\times {{10}^{5}}J\]
  done clear
  C)
   \[43.2\,\times {{10}^{4}}J\]      
  done clear
  D)
          \[28.8\,\times {{10}^{4}}J\]
  done clear
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• question_answer54) Lenzs law gives
  A)
   the magnitude of the induced emf
  done clear
  B)
   the direction of the induced current
  done clear
  C)
   both the magnitude and direction of the induced current
  done clear
  D)
   the magnitude of the induced current
  done clear
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• question_answer55) When two bodies collide elastically, then
  A)
   kinetic energy of the system alone is conserved
  done clear
  B)
   only momentum is conserved
  done clear
  C)
   both energy and momentum are conserved
  done clear
  D)
   neither energy nor momentum is conserved
  done clear
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• question_answer56) A satellite moves around the earth in a circular orbit of radius r with speed v. If the mass of the satellite is M, its total energy is
  A)
   \[-1/2M_{v}^{2}\]                         
  done clear
  B)
   \[1/2M_{v}^{2}\]
  done clear
  C)
   \[3/2M_{v}^{2}\]           
  done clear
  D)
          \[M_{v}^{2}\]
  done clear
  View Answer play_arrow

• question_answer57) A telescope, consisting of an objective of focal length 60 cm and a single eye lens of focal length 5 cm is of cussed on a distant object is such a way that parallel rays comes out from the eye lens. If the object subtends an angle \[2{}^\circ \] at the objective the angle subtended by the image at the eye is
  A)
   \[10{}^\circ \]                  
  done clear
  B)
         \[24{}^\circ \]
  done clear
  C)
  \[50{}^\circ \]                   
  done clear
  D)
         \[1/6{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer58) If the steel bob of a simple pendulum is replaced by a wooden bob, then its time period will
  A)
   increase             
  done clear
  B)
          decrease
  done clear
  C)
   remains the same
  done clear
  D)
   first increases and then decreases
  done clear
  View Answer play_arrow

• question_answer59) An electric dipole is placed along the x-axis at the origin 0. A point P is at a distance of 20 cm from this origin such that OP makes an angle\[\text{/3}\]with the x-axis. If the electric field at P makes an angle \[\theta \] with the x-axis, the value of \[\theta \] would be
  A)
   \[\frac{\pi }{3}\]                             
  done clear
  B)
          \[\frac{\pi }{3}+{{\tan }^{-1}}\left( \frac{\sqrt{3}}{2} \right)\]
  done clear
  C)
   \[\frac{2\pi }{3}\]                           
  done clear
  D)
          \[{{\tan }^{-1}}\left( \frac{\sqrt{3}}{2} \right)\]
  done clear
  View Answer play_arrow

• question_answer60) The wavelength of light in two liquids x and y are \[3500\overset{\text{o}}{\mathop{\text{A}}}\,\] and \[7000\overset{\text{o}}{\mathop{\text{A}}}\,\], then the critical angle of x relative to y will be
  A)
  \[60{}^\circ \]                   
  done clear
  B)
         \[45{}^\circ \]
  done clear
  C)
  \[30{}^\circ \]                   
  done clear
  D)
         \[15{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer61) An ideal transformer has 500 rums in the primary and 2500 in the secondary. The meters of the secondary are indicating 200 V, 8 A, under these conditions. What would the meters of the primary read?
  A)
   100 V, 16 A      
  done clear
  B)
          40 V, 40 A
  done clear
  C)
   160 V, 10 A      
  done clear
  D)
          80 V, 20 A
  done clear
  View Answer play_arrow

• question_answer62) Sensitivity of potentiometer can be increased by
  A)
   increasing the emf of the cell
  done clear
  B)
   increasing the length of the potentiometer wire
  done clear
  C)
   decreasing the length of the potentiometer wire
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer63) The following four wires are made of same material and same tension is applied on them. Which one will have maximum increase in length?
  A)
   Length = 100 cm, Diameter = 1 mm
  done clear
  B)
   Length = 50 cm, Diameter = 0.5 mm
  done clear
  C)
   Length = 200 cm, Diameter = 2 mm
  done clear
  D)
   Length = 300 cm, Diameter = 3 mm
  done clear
  View Answer play_arrow

• question_answer64) Radius of a capillary is \[2\times {{10}^{-3}}m\]. A liquid of weight \[6.28\,\times {{10}^{-4}}\,N\] may remain in the capillary, then the surface tension of liquid will be
  A)
   \[5\times {{10}^{-3}}\,N/m\]    
  done clear
  B)
                          \[5\times {{10}^{-2}}\,N/m\]
  done clear
  C)
   5 N/m                 
  done clear
  D)
   50 N/m
  done clear
  View Answer play_arrow

• question_answer65) If two tuning forks A and B are sounded together, they produce 4 beats/s. A is then slightly loaded with wax, they produce 2 beats/s when sounded again. The frequency of A is 256 Hz. The frequency of B will be
  A)
   250 Hz                 
  done clear
  B)
          252 Hz
  done clear
  C)
   260 Hz                 
  done clear
  D)
          262 Hz
  done clear
  View Answer play_arrow

• question_answer66) Two waves are given by\[=a\sin (\omega t-kx)\]and \[{{y}_{2}}=a\cos (\omega t-kx).\]The phase difference between the two waves is
  A)
   \[\text{/4}\]                     
  done clear
  B)
          \[\]
  done clear
  C)
   \[\text{/8}\]                     
  done clear
  D)
          \[\text{/2}\]
  done clear
  View Answer play_arrow

• question_answer67) Period of oscillation of mass attached to a spring and performing SHM is T. The spring is now cut into four equal pieces and the same mass attached to one piece. Now, the period of its simple harmonic oscillations is
  A)
   2T                         
  done clear
  B)
          T/4
  done clear
  C)
   T/2                       
  done clear
  D)
          T
  done clear
  View Answer play_arrow

• question_answer68) An electron makes a transition from orbit n = 4 to the orbit n = 2 of a hydrogen atom. The wave number of the emitted radiation (R = Rydbergs constant) will be
  A)
   16/3R                  
  done clear
  B)
          2R/16
  done clear
  C)
   3R/16                  
  done clear
  D)
          4R/16
  done clear
  View Answer play_arrow

• question_answer69) A uniform rope of length \[l\] lies on a table. If the coefficient of friction is \[\mu \] then the maximum length \[{{l}_{1}}\] of the part of this rope which can overhang from the edge of the table without sliding down is
  A)
   \[\frac{l}{\mu }\]                            
  done clear
  B)
          \[\frac{l}{\mu +1}\]
  done clear
  C)
   \[\frac{\mu l}{1+\mu }\]                             
  done clear
  D)
          \[\frac{\mu l}{\mu -1}\]
  done clear
  View Answer play_arrow

• question_answer70)   The magnetic flux linked with a coil at any instant t is given by \[\phi =5{{t}^{3}}\,-100t+300,\] the emf induced in the coil after t = 2 s is
  A)
   - 40 V                   
  done clear
  B)
          40 V
  done clear
  C)
   140 V                   
  done clear
  D)
          300 V
  done clear
  View Answer play_arrow

• question_answer71) An ideal heat engine working between temperature\[{{T}_{1}}\] and \[{{T}_{2}}\]has an efficiency \[\eta \] the new efficiency if temperature of both the source and sink are doubled, will be
  A)
   \[\text{/2}\]                     
  done clear
  B)
          \[\]
  done clear
  C)
   \[2\,\]                 
  done clear
  D)
          \[\text{3}\,\]
  done clear
  View Answer play_arrow

• question_answer72) A 50 g bullet moving with velocity 10 m/s strikes a block of mass 950 g at rest and gets embedded into it. The loss in kinetic energy will be
  A)
   100%                                   
  done clear
  B)
   95%
  done clear
  C)
   5%                        
  done clear
  D)
          50%
  done clear
  View Answer play_arrow

• question_answer73) The sun radiates energy in all directions. The average radiation received on the earth surface from the sun per second is \[1.4\,kW/{{m}^{3}}\]. The average distance between sun and earth is \[1.5\times {{10}^{11}}m\]. The mass lost by the sun per day
  A)
   \[4.4\,\times {{10}^{10}}kg\]    
  done clear
  B)
   \[7.6\,\times {{10}^{14}}kg\]
  done clear
  C)
   \[3.8\times {{10}^{11}}kg\]     
  done clear
  D)
          \[3.8\times {{10}^{14}}kg\]
  done clear
  View Answer play_arrow

• question_answer74) Every gas behaves as an ideal gas
  A)
   at high temperature and low pressure
  done clear
  B)
   at low temperature and high pressure
  done clear
  C)
   at normal temperature and pressure
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer75) In an AC circuit, the current is given by\[I=5\,\sin \,(100t-\pi /2)\] and the alternating potential is \[V=200\,\sin (100)t\] volt. The power consumed in the circuit is
  A)
   20 W                    
  done clear
  B)
          40 W
  done clear
  C)
   1000 W               
  done clear
  D)
          zero
  done clear
  View Answer play_arrow

• question_answer76) The maximum wavelength of radiation that can produce photoelectric effect in a certain metal is 200 nm. The maximum kinetic energy acquired by electron due to radiation of wavelength 100 nm will be
  A)
   12.4 eV               
  done clear
  B)
          6.2 eV
  done clear
  C)
   100 eV                
  done clear
  D)
          200 eV
  done clear
  View Answer play_arrow

• question_answer77) The material of wire of potentiometer is
  A)
   copper                
  done clear
  B)
          steel
  done clear
  C)
   manganin          
  done clear
  D)
          aluminium
  done clear
  View Answer play_arrow

• question_answer78) A liquid cools down from \[70{}^\circ C\] to \[60{}^\circ C\] in 5 min. The time taken to cool it from \[60{}^\circ C\] to \[50{}^\circ C\] will be
  A)
   5 min
  done clear
  B)
   lesser than 5 min
  done clear
  C)
   greater than 5 min
  done clear
  D)
   lesser or greater than 5 min depending upon the density of the liquid
  done clear
  View Answer play_arrow

• question_answer79) There are 50 turns of a wire in every cm length of a long solenoid. If 4 A current is flowing in the solenoid, the approximate value of magnetic field along its axis at an internal point and at one end will be respectively
  A)
   \[\begin{align}   & \text{12}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\  & \text{6}\text{.3 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\ \end{align}\]
  done clear
  B)
          \[\begin{align}   & \text{12}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\  & 25.1\times {{10}^{-3}}Wb/{{m}^{2}} \\ \end{align}\]
  done clear
  C)
   \[\begin{align}   & \text{25}\text{.1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\  & \text{12}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-3}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\ \end{align}\]
  done clear
  D)
          \[\begin{align}   & \text{25}\text{.1 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-5}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\  & \text{12}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-5}}}\text{Wb/}{{\text{m}}^{\text{2}}} \\ \end{align}\]
  done clear
  View Answer play_arrow

• question_answer80) Monochromatic light of frequency \[5\times {{10}^{14}}Hz\] travelling in vacuum enters medium of refractive index 1.5. Its wavelength in the medium is
  A)
   \[4000\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  B)
          \[5000\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
   \[6000\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  D)
          \[5500\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer81) The vector form of Biot-Savarts law for a current carrying element is
  A)
   \[d\mathbf{\vec{B}}=\frac{{{\mu }_{0}}}{4\pi }\frac{Id\mathbf{\vec{1}}\,\sin \,\phi }{{{r}^{2}}}\]
  done clear
  B)
          \[\mathbf{\vec{B}}=\frac{{{\mu }_{0}}}{4\pi }\frac{Idl\,\mathbf{\vec{r}}}{{{r}^{2}}}\]
  done clear
  C)
   \[d\mathbf{\vec{B}}=\frac{{{\mu }_{0}}}{4\pi }\frac{Id\mathbf{\vec{1}}\times \,\mathbf{\vec{r}}}{{{r}^{3}}}\]
  done clear
  D)
   \[d\,\mathbf{\vec{B}}=\frac{{{\mu }_{0}}}{4\pi }\frac{Id\mathbf{\vec{1}}\times \,\mathbf{\vec{r}}}{{{r}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer82) The potential energy of a body is given by \[U=A-B{{x}^{2}}\] (where x is the displacement). The magnitude of force acting on the particle is
  A)
   constant            
  done clear
  B)
          proportional to x            
  done clear
  C)
   proportional to \[{{x}^{2}}\]
  done clear
  D)
              proportional to 1/x
  done clear
  View Answer play_arrow

• question_answer83) Spherical ball of radius R is falling in a viscous fluid of viscosity \[\eta \]with a velocity v. The retarding viscous force acting on the spherical ball is
  A)
   directly proportional to radius R but inversely proportional to velocity v
  done clear
  B)
   directly proportional to both radius R and to velocity v
  done clear
  C)
   inversely proportional to both radius R and velocity v
  done clear
  D)
   inversely proportional to radius R but directly proportional to velocity v
  done clear
  View Answer play_arrow

• question_answer84) Even Carnot engine cannot give 100% efficiency because we cannot
  A)
   prevent radiation           
  done clear
  B)
   find ideal sources
  done clear
  C)
   reach absolute zero temperature
  done clear
  D)
   eliminate friction
  done clear
  View Answer play_arrow

• question_answer85) The work function of a substance is 4.0 eV. The longest wavelength of light that can cause photoelectron emission from this substance is approximately
  A)
   540 nm                               
  done clear
  B)
   400 nm
  done clear
  C)
   310 nm               
  done clear
  D)
          220 nm
  done clear
  View Answer play_arrow

• question_answer86) A particle of charge \[-16\,\times {{10}^{-18}}C\] moving with velocity \[10\,m{{s}^{-1}}\] along the \[x\]-axis enters a region where a magnetic field of induction B is along the y-axis and an electric field of magnitude \[\text{1}{{\text{0}}^{\text{4}}}\text{V/m}\] is along the negative z-axis. If the charged particle continues moving along the \[x\]-axis, the magnitude of B is
  A)
   \[{{10}^{16}}\,Wb/{{m}^{2}}\]
  done clear
  B)
   \[{{10}^{5}}\,Wb/{{m}^{2}}\]
  done clear
  C)
   \[{{10}^{3}}\,Wb/{{m}^{2}}\]                    
  done clear
  D)
          \[{{10}^{-3}}\,Wb/{{m}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer87) If \[{{N}_{0}}\] is the original mass of the substance of half-life period \[{{T}_{1/2}}\,=5\,yr,\] then the amount of substance left after 15 yr is
  A)
   \[{{N}_{0}}/8\]                
  done clear
  B)
         \[{{N}_{0}}/16\]
  done clear
  C)
   \[{{N}_{0}}/2\]                
  done clear
  D)
          \[{{N}_{0}}/4\]
  done clear
  View Answer play_arrow

• question_answer88) A charged ball B hangs from a silk thread S, which makes an angle \[\theta \] with a large charged conducting sheet P, as shown in the figure. The surface charge density \[\sigma \] of the sheet is proportional to
  A)
   cot \[\theta \]                                 
  done clear
  B)
   cot \[\theta \]
  done clear
  C)
   tan \[\theta \]                                 
  done clear
  D)
   sin \[\theta \]
  done clear
  View Answer play_arrow

• question_answer89) If\[{{\theta }_{i}}\]is the inversion temperature,\[{{\theta }_{n}}\]is the neutral temperature, \[{{\theta }_{c}}\]is the temperature of the cold junction for thermocouple, then
  A)
   \[{{\theta }_{i}}+{{\theta }_{c}}={{\theta }_{n}}\]
  done clear
  B)
                          \[{{\theta }_{i}}-{{\theta }_{c}}=2{{\theta }_{n}}\]
  done clear
  C)
   \[\frac{{{\theta }_{i}}+{{\theta }_{c}}}{2}\theta n\]       
  done clear
  D)
          \[{{\theta }_{c}}-{{\theta }_{i}}=2{{\theta }_{n}}\]
  done clear
  View Answer play_arrow

• question_answer90) Speeds of two identical cars are u are 4u at a specific instant. The ratio of the respective distances in which the two cars are stopped in the same time
  A)
   1 : 1
  done clear
  B)
                                          1 : 4
  done clear
  C)
   1 : 8                      
  done clear
  D)
          1 : 16
  done clear
  View Answer play_arrow

• question_answer91) Before using the tangent galvanometer, its coil is set up in
  A)
   magnetic meridian
  done clear
  B)
   perpendicular to magnetic meridian
  done clear
  C)
   at angle of \[45{}^\circ \] to magnetic meridian
  done clear
  D)
   it does not require any setting
  done clear
  View Answer play_arrow

• question_answer92) Which of the following plots may represent reactance of a series LC combination?
  A)
   a            
  done clear
  B)
                          b
  done clear
  C)
   c                            
  done clear
  D)
          d
  done clear
  View Answer play_arrow

• question_answer93) Three identical capacitors are connected together differently. For the same voltage to every combination the one that stores maximum energy is
  A)
   the three in series
  done clear
  B)
   the three in parallel
  done clear
  C)
   two in series and the third in parallel with it
  done clear
  D)
   two in parallel and the third in series with it
  done clear
  View Answer play_arrow

• question_answer94) Each resistance shown in the circuit is of\[10\,\Omega \]. The equivalent resistance between the points X and Y is
  A)
   \[10\,\Omega \]
  done clear
  B)
                                          \[20\,\Omega \]
  done clear
  C)
   \[25\,\Omega \]             
  done clear
  D)
          \[30\,\Omega \]
  done clear
  View Answer play_arrow

• question_answer95) A L-R circuit consists of an inductance of 8 mH and a resistance of \[4\,\Omega \]. The time constant of the circuit is
  A)
   2ms                      
  done clear
  B)
          12ms
  done clear
  C)
   32ms                   
  done clear
  D)
          500 s
  done clear
  View Answer play_arrow

• question_answer96) Three identical resistances A, B and C are connected as shown in the figure. The heat produced will be maximum in
  A)
   B                                           
  done clear
  B)
   same for A, Band C
  done clear
  C)
   A                           
  done clear
  D)
          B and C
  done clear
  View Answer play_arrow

• question_answer97) A kilowatt hour is equal to
  A)
   \[3.6\,\times {{10}^{6}}J\]                          
  done clear
  B)
   \[3.6\times {{10}^{4}}J\]
  done clear
  C)
   \[3.6\times {{10}^{3}}J\]             
  done clear
  D)
          \[6\times {{10}^{-4}}J\]
  done clear
  View Answer play_arrow

• question_answer98) Wire P and Q have the same resistance at ordinary (room) temperature. When heated, resistance of P increases and that of Q decreases. We conclude that
  A)
   P and Q are conductors of different materials.
  done clear
  B)
   P is n-type semiconductor and Q is p-type semiconductor
  done clear
  C)
   P is semiconductor and Q is conductor
  done clear
  D)
   P is conductor and Q is semiconductor
  done clear
  View Answer play_arrow

• question_answer99) In the disintegration series \[_{92}^{238}U\xrightarrow{\alpha }X\xrightarrow{\text{-}}_{Z}^{A}Y\]the values of Z and A respectively will be
  A)
   92, 236 
  done clear
  B)
                                          88, 230
  done clear
  C)
   90, 234                
  done clear
  D)
          91, 234
  done clear
  View Answer play_arrow

• question_answer100) The plane faces of two identical plano-convex lenses, each having focal length of 40 cm, are placed against each other to form a common convex lens. The distance from this lens at which an object must be placed to obtain a real inverted image with magnification equal to unity is
  A)
   80 cm    
  done clear
  B)
                                          40 cm          
  done clear
  C)
   20 cm                  
  done clear
  D)
          160 cm
  done clear
  View Answer play_arrow

• question_answer101) If an organic compound has\[C=40%\], \[H=13.3%\],\[N=46.67%\] , then the empirical formula for this compound is
  A)
  \[C{{H}_{4}}N\]                
  done clear
  B)
         \[{{C}_{2}}{{H}_{8}}{{N}_{2}}\]                  
  done clear
  C)
         \[C{{H}_{3}}N\]                
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer102) \[TEL\]is
  A)
  petrol fuel
  done clear
  B)
         antiknocking compound
  done clear
  C)
         gasoline
  done clear
  D)
         insecticide
  done clear
  View Answer play_arrow

• question_answer103) \[DDT\] is related to
  A)
  insecticide          
  done clear
  B)
         fungicide                            
  done clear
  C)
         chlorination      
  done clear
  D)
         florination
  done clear
  View Answer play_arrow

• question_answer104) Coordination number 8 : 8 is of
  A)
  \[CsCl\]               
  done clear
  B)
         \[KCl\]                                 
  done clear
  C)
         \[NaCl\]                              
  done clear
  D)
         \[ZnS\]
  done clear
  View Answer play_arrow

• question_answer105) Which of the following inert gas is soluble in water?
  A)
  \[He\]                                  
  done clear
  B)
         \[Ne\]                  
  done clear
  C)
         \[Ar\]                                   
  done clear
  D)
         \[Xe\]
  done clear
  View Answer play_arrow

• question_answer106) Number of peptide bonds in dipeptide is
  A)
  \[2\]                                     
  done clear
  B)
         \[1\]                     
  done clear
  C)
         \[3\]                                     
  done clear
  D)
         \[4\]
  done clear
  View Answer play_arrow

• question_answer107) Cupellation method is used for the extraction of
  A)
  \[Cu\]                                  
  done clear
  B)
         \[Ag\]  
  done clear
  C)
         \[Na\]                                  
  done clear
  D)
         \[Al\]
  done clear
  View Answer play_arrow

• question_answer108) Blood sugar is
  A)
  fructose              
  done clear
  B)
         maltose                               
  done clear
  C)
         haemoglobin                    
  done clear
  D)
         glucose
  done clear
  View Answer play_arrow

• question_answer109)                 Lactose sugar is formed from
  A)
   \[d-\]galactose
  done clear
  B)
         \[d-\]glucose
  done clear
  C)
         \[d-\]galactose and d-glucose
  done clear
  D)
         \[d-\]glucose and d-fructose
  done clear
  View Answer play_arrow

• question_answer110) The values for all the quantum numbers for 15th electron of chlorine are
  A)
  \[n=3,\,\,l=1,\,\,m=0,\,\,s=-1/2\]
  done clear
  B)
         \[n=4,\,\,l=2,\,\,m=0,\,\,s=+1/2\]
  done clear
  C)
         \[n=3,\,\,l=1,\,\,m=+1,\,\,s=+1/2\]
  done clear
  D)
         \[n=2,\,\,l=0,\,\,m=0,\,\,s=+1/2\]
  done clear
  View Answer play_arrow

• question_answer111) The IUPAC name of the compound is \[C{{H}_{3}}-{{[C{{H}_{2}}]}_{5}}-\underset{\begin{align}   & | \\  & C{{H}_{2}} \\  & | \\  & ^{\beta }CHC{{H}_{3}} \\  & | \\  & C{{H}_{2}} \\  & | \\  & C{{H}_{3}} \\ \end{align}}{\mathop{C}}\,H-C{{H}_{2}}-\underset{\begin{align}   & | \\  & ^{\alpha }CHC{{H}_{3}} \\  & | \\  & C{{H}_{2}} \\  & | \\  & {{C}_{2}}{{H}_{5}} \\ \end{align}}{\mathop{C}}\,H-{{[C{{H}_{2}}]}_{_{3}}}-C{{H}_{3}}\]
  A)
  7[\[\beta \]methyl butyl], 9 butyl tridecane
  done clear
  B)
         3[\[\beta \]ethyl butyl], 9 ethyl tridecane
  done clear
  C)
         2[\[\beta \]ethyl ethenyl], 8 propyl decane
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer112) The correct order of stability of following carbocation is (I) (II) (III) (IV)
  A)
  \[(III)>(II)>(I)>(IV)\]
  done clear
  B)
         \[(II)>(III)>(I)>(IV)\]
  done clear
  C)
         \[(I)>(II)>(III)>(IV)\]
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer113) Outermost configuration for\[Z=25\], is
  A)
  \[4{{s}^{2}},\,\,3{{d}^{5}}\]                        
  done clear
  B)
         \[5{{s}^{2}},\,\,4{{d}^{5}}\]                        
  done clear
  C)
         \[4{{s}^{2}},\,\,3{{d}^{3}}\]                        
  done clear
  D)
         \[4{{s}^{2}},\,\,3{{d}^{1}}\]
  done clear
  View Answer play_arrow

• question_answer114) The colour of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] in acidic medium is
  A)
  red             
  done clear
  B)
         green                   
  done clear
  C)
         yellow                  
  done clear
  D)
         pink
  done clear
  View Answer play_arrow

• question_answer115) Baeyers reagent decolorizes which of the following?
  A)
  Alkane
  done clear
  B)
         Alkene
  done clear
  C)
         Alkene and alkyne both
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer116) When \[Mn{{O}_{4}}\] is fused with\[KOH\], a colored compound is formed. The product and its colour is
  A)
  \[KMn{{O}_{4}}\], purple green
  done clear
  B)
         \[KMn{{O}_{4}}\], purple
  done clear
  C)
         \[M{{n}_{2}}{{O}_{3}}\], brown
  done clear
  D)
         \[M{{n}_{2}}{{O}_{4}}\], black
  done clear
  View Answer play_arrow

• question_answer117) The type of hybridization present in each carbon of benzene is
  A)
  \[s{{p}^{3}}\]                                    
  done clear
  B)
         \[s{{p}^{2}}\]                                    
  done clear
  C)
         \[sp\]                                   
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer118) Total number of isomers of \[{{C}_{4}}{{H}_{10}}O\] is
  A)
  7                                             
  done clear
  B)
         4                             
  done clear
  C)
         3                                             
  done clear
  D)
         8
  done clear
  View Answer play_arrow

• question_answer119) Vitamin \[{{B}_{12}}\] contains
  A)
  \[Co\]                                  
  done clear
  B)
         \[Fe\]   
  done clear
  C)
         \[Zn\]                                   
  done clear
  D)
         \[Ca\]
  done clear
  View Answer play_arrow

• question_answer120) Night blindness is caused due to the deficiency of
  A)
  \[{{B}_{12}}\]                                    
  done clear
  B)
         \[A\]                     
  done clear
  C)
         \[C\]                                     
  done clear
  D)
         \[D\]
  done clear
  View Answer play_arrow

• question_answer121) RNA does not contain
  A)
  thymine              
  done clear
  B)
         adenine                              
  done clear
  C)
         guanine               
  done clear
  D)
         uracil
  done clear
  View Answer play_arrow

• question_answer122) Reaction of dry \[HCl\] with acetone gives
  A)
  aldol                                     
  done clear
  B)
         chloritone                          
  done clear
  C)
         isopropyl alcohol             
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer123) Which of the following is incorrect for radial distribution curve?
  A)
                  \[n\]      \[l\]        Node                 \[2\]      \[0\]      \[1\]
  done clear
  B)
                         \[3\]      \[0\]      \[2\]
  done clear
  C)
                         \[2\]      \[1\]      \[0\]
  done clear
  D)
                         \[3\]      \[2\]      \[1\]
  done clear
  View Answer play_arrow

• question_answer124) If \[{{H}^{+}}\] concentration of fruit juice is\[3.3\times {{10}^{-2}}\], then its \[pH\] will be
  A)
  \[4.8\,\,basic\]                 
  done clear
  B)
         \[4.8\,\,neutral\]                            
  done clear
  C)
         \[4.8\,\,acidic\]                
  done clear
  D)
         \[1.6\,\,acidic\]
  done clear
  View Answer play_arrow

• question_answer125) \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[NaOH]{{{I}_{2}}}A\xrightarrow[KOH]{Aqueous}B\] In equation given above \[A\] and \[B\] are respectively
  A)
  \[CH{{I}_{3}}\]and\[HCOOK\]
  done clear
  B)
         \[CH{{I}_{3}}\]and\[C{{H}_{3}}COOK\]
  done clear
  C)
         \[C{{H}_{4}}\]and\[HCOOK\]
  done clear
  D)
         \[CH{{I}_{3}}\]and\[{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer126) Formula of washing soda is
  A)
  \[N{{a}_{2}}C{{O}_{3}}\cdot 10{{H}_{2}}O\]
  done clear
  B)
         \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  C)
         \[N{{a}_{2}}S{{O}_{4}}\cdot 10{{H}_{2}}O\]
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer127) \[AgN{{O}_{3}}\] gives red colour with
  A)
  \[NaCl\]                              
  done clear
  B)
         \[NaBr\]                              
  done clear
  C)
         \[NaI\]                                 
  done clear
  D)
         \[{{K}_{2}}Cr{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer128) If the value of bond order is zero, then
  A)
  molecule will be stable
  done clear
  B)
         molecule will be unstable
  done clear
  C)
         molecule will be in ionic state
  done clear
  D)
         None of the above
  done clear
  View Answer play_arrow

• question_answer129) Which is responsible for the diagonal relation of lithium with magnesium?
  A)
  Less ionic radii
  done clear
  B)
         High polarizing power
  done clear
  C)
         Approximately equal electronegativity and affinity
  done clear
  D)
         All of the above
  done clear
  View Answer play_arrow

• question_answer130) Trioxane has the formula, it is prepared from
  A)
  formaldehyde                  
  done clear
  B)
         methanol                           
  done clear
  C)
                         dichloromethane            
  done clear
  D)
         vinyl alcohol
  done clear
  View Answer play_arrow

• question_answer131) Natural rubber is
  A)
  butadiene          
  done clear
  B)
         isoprene                             
  done clear
  C)
         neoprene           
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer132) Monomer of polythene is
  A)
  ethylene             
  done clear
  B)
         propylene                          
  done clear
  C)
         vinyl chloride    
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer133) Bond order of \[{{N}_{2}}\] molecule is
  A)
  \[3\]                                     
  done clear
  B)
         \[2\]                     
  done clear
  C)
         \[1\]                                     
  done clear
  D)
         \[0\]
  done clear
  View Answer play_arrow

• question_answer134) Which of the following is a proper match?

  \[\frac{{{\mathbf{r}}^{\mathbf{+}}}}{{{\mathbf{r}}^{\mathbf{-}}}}\]	Shape
  (A)\[0.115-0.225\]	(i) Triangular
  (B)\[0.225-0.414\]	(ii) Tetrahedral
  (C)\[0.414-0.732\]	(iii) Cubic
  (D)\[0.732-1\]	(iv) Octahedral

  A)
  \[A-i,\,\,B-ii,\,\,C-iv,\,\,D-iii\]
  done clear
  B)
  \[A-iii,\,\,B-ii,\,\,C-iv,\,\,D-i\]
  done clear
  C)
  \[A-i,\,\,B-iii,\,\,C-i,\,\,D-iv\]
  done clear
  D)
  \[A-ii,\,\,B-iv,\,\,C-i,\,\,D-iii\]
  done clear
  View Answer play_arrow

• question_answer135) The correct order of acidity of following acids is
  A)
  \[>-Cl-C{{H}_{2}}COOH>HCOOH>C{{H}_{3}}COOH\]
  done clear
  B)
  \[F-C{{H}_{2}}COOH>Cl-C{{H}_{2}}COOH\]
  done clear
  C)
  \[HCOOH>C{{H}_{3}}COOH>Cl-C{{H}_{2}}COOH\]
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer136) \[C{{O}_{2}}\] gas obtained by the combustion of \[12\,\,mL\] butane gas is
  A)
  \[3\,\,mL\]                         
  done clear
  B)
  \[12\,\,mL\]
  done clear
  C)
  \[24\,\,mL\]      
  done clear
  D)
                         \[48\,\,mL\]
  done clear
  View Answer play_arrow

• question_answer137) Calomel is
  A)
  \[H{{g}_{2}}C{{l}_{2}}\]                 
  done clear
  B)
  \[Hg+H{{g}_{2}}C{{l}_{2}}\]
  done clear
  C)
           
  done clear
  D)
        
  done clear
  View Answer play_arrow

• question_answer138) In an adiabatic process which of the following is true?
  A)
  \[q=+W\]                           
  done clear
  B)
  \[q=0\]
  done clear
  C)
         \[\Delta E=q\]  
  done clear
  D)
         \[p\Delta V=0\]
  done clear
  View Answer play_arrow

• question_answer139) The number of paired electrons in \[Xe\] atom of \[Xe{{F}_{2}}\] is
  A)
  \[3\]                                     
  done clear
  B)
  \[5\]                     
  done clear
  C)
  \[4\]                     
  done clear
  D)
  \[2\]
  done clear
  View Answer play_arrow

• question_answer140) Hydrolysis of \[Xe{{F}_{6}}\] gives
  A)
  \[Xe{{O}_{3}}\]                
  done clear
  B)
  \[Xe{{O}_{6}}\]
  done clear
  C)
         \[Xe{{O}_{2}}\]
  done clear
  D)
         \[Xe{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer141) Zwitter ion is
  A)
  dipolar ion
  done clear
  B)
  ion formed from amino acid
  done clear
  C)
  internal salt
  done clear
  D)
  All of the above
  done clear
  View Answer play_arrow

• question_answer142) \[IUPAC\]name of\[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\]is
  A)
  diamine dichloro platinum (II)
  done clear
  B)
  amine, chloro platinum (III)
  done clear
  C)
  chloro diamine platinum (II)
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer143) Nylon obtained by the condensation of adipic acid with hexamethylene diamine
  A)
  nylon 6, 6
  done clear
  B)
  nylon 7, 6
  done clear
  C)
  nylon 6, 5
  done clear
  D)
  nylon 9, 7
  done clear
  View Answer play_arrow

• question_answer144) Equation\[\log \frac{{{K}_{2}}}{{{K}_{1}}}=\frac{\Delta H}{2.303R}\left[ \frac{{{T}_{2}}-{{T}_{1}}}{{{T}_{1}}\cdot {{T}_{2}}} \right],\,\,n\]
  A)
  van der Waals equation
  done clear
  B)
  Kirchhoffs equation
  done clear
  C)
  Gas equation
  done clear
  D)
  vant Hoff equation
  done clear
  View Answer play_arrow

• question_answer145) Which of the following is a colligative property?
  A)
  Surface tension
  done clear
  B)
  Viscosity
  done clear
  C)
  Osmotic pressure
  done clear
  D)
  Vapour pressure
  done clear
  View Answer play_arrow

• question_answer146) Number of \[\alpha \] and \[\beta \] emitted in the reaction \[_{92}{{U}^{238}}{{\xrightarrow{{}}}_{82}}P{{b}^{206}}\]are
  A)
  \[6\alpha \]and\[8\beta \]                          
  done clear
  B)
  \[8\alpha \]and\[6\beta \]          
  done clear
  C)
         \[6\alpha \]and\[4\beta \]          
  done clear
  D)
         \[4\alpha \]and\[6\beta \]
  done clear
  View Answer play_arrow

• question_answer147) A chemical reaction is catalyzed by \[X\] therefore,\[X\]
  A)
  increases the activation energy
  done clear
  B)
  does not affect the equilibrium constant of the reaction
  done clear
  C)
  decreases the enthalpy of the reaction
  done clear
  D)
  decreases the velocity constant of the reaction
  done clear
  View Answer play_arrow

• question_answer148) The half-life of a radioactive isotope is\[3\,\,h\]. If the initial mass of the isotope were\[256\,\,g\], the mass of it remaining undecayed after \[18\,\,h\] would be
  A)
  \[8.0\,\,g\]                         
  done clear
  B)
  \[4.0\,\,g\]         
  done clear
  C)
         \[12.0\,\,g\]      
  done clear
  D)
         \[16.0\,\,g\]
  done clear
  View Answer play_arrow

• question_answer149) According to \[MOT\] which of the following is correct for potassium hexa cyano ferrate (III)?
  A)
  It is a octahedral complex
  done clear
  B)
   \[{{t}_{2g}}\] orbital contains the e of metal
  done clear
  C)
  For iron, overlapping between empty orbitals and ligand orbitals takes place
  done clear
  D)
  All of the above
  done clear
  View Answer play_arrow

• question_answer150) Radioactive hydrogen is
  A)
   tritium                
  done clear
  B)
  deuterium         
  done clear
  C)
         ortho hydrogen 
  done clear
  D)
         para hydrogen
  done clear
  View Answer play_arrow

• question_answer151) Percentage of oxygen in phenol is
  A)
  \[17.02\]                             
  done clear
  B)
  \[15.2\]               
  done clear
  C)
         \[16\]                   
  done clear
  D)
         \[15\]
  done clear
  View Answer play_arrow

• question_answer152) Which of the following differs in\[EAN\]?
  A)
  \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]     
  done clear
  B)
  \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
  done clear
  C)
         \[{{K}_{2}}[ZnC{{l}_{4}}]\]           
  done clear
  D)
         \[{{K}_{2}}[Hg{{I}_{4}}]\]
  done clear
  View Answer play_arrow

• question_answer153) Which of the following complex neutralizes three molecules of\[AgN{{O}_{3}}\]?
  A)
  \[[Co{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]     
  done clear
  B)
  \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] 
  done clear
  C)
  \[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]Cl\]
  done clear
  D)
         \[[Co{{(N{{H}_{3}})}_{3}}C{{l}_{3}}]\]
  done clear
  View Answer play_arrow

• question_answer154) \[Zn|\underset{C=1}{\mathop{Z{{n}^{2+}}}}\,||\underset{C=1}{\mathop{C{{u}^{2+}}}}\,|Cu\] If the standard reduction potential of zinc electrode and copper half-cell is \[-0.76\,\,V\] and \[0.34\,\,V\] respectively then the emf will be
  A)
  \[1.1\,\,V\]                        
  done clear
  B)
  \[1.4\,\,V\]                        
  done clear
  C)
  \[1.34\,\,V\]      
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer155) Which of the following does not show optical isomerization?
  A)
  \[[Pt{{(N{{H}_{3}})}_{2}}C{{l}_{2}}]\]      
  done clear
  B)
  \[{{[Co{{(ox)}_{3}}]}^{3-}}\]       
  done clear
  C)
  \[{{[Co{{(en)}_{3}}]}^{3+}}\]      
  done clear
  D)
         \[{{[Cr{{(diph)}_{3}}]}^{3+}}\]
  done clear
  View Answer play_arrow

• question_answer156) Solubility product of pure \[PbC{{l}_{2}}\] will be
  A)
  \[{{K}_{sp}}={{S}^{2}}\]                
  done clear
  B)
  \[{{K}_{sp}}=4{{S}^{3}}\]             
  done clear
  C)
         \[{{K}_{sp}}=108\,\,{{S}^{5}}\]  
  done clear
  D)
         \[{{K}_{sp}}=S\]
  done clear
  View Answer play_arrow

• question_answer157) The expression for velocity constant for the second order reaction is
  A)
  \[k=\frac{2.303}{t}{{\log }_{10}}\frac{a}{a-x}\]
  done clear
  B)
  \[k=\frac{1}{t}\frac{x}{a[a-x]}\]
  done clear
  C)
  \[k=\frac{1}{t}\frac{{{x}^{2}}}{{{a}^{2}}{{[a-x]}^{2}}}\]
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer158) The unit of rate constant for second order reaction is
  A)
  \[{{s}^{-1}}\]                                     
  done clear
  B)
  \[mol/{{L}^{-1}}\]           
  done clear
  C)
  \[L\,\,mo{{l}^{-1}}{{s}^{-1}}\]    
  done clear
  D)
         \[{{L}^{2}}mo{{l}^{-2}}s\]
  done clear
  View Answer play_arrow

• question_answer159) Which of the following, on heating with ammonia gives urotropin?
  A)
  Formaldehyde                 
  done clear
  B)
  Acetaldehyde
  done clear
  C)
         Acetone         
  done clear
  D)
         Benzaldehyde
  done clear
  View Answer play_arrow

• question_answer160) Which of the following statement is correct?
  A)
  Basic nature increases on increasing pH
  done clear
  B)
  Basic nature decreases on increasing pH
  done clear
  C)
  Acidic nature increases on increasing pH
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer161) For the redox reaction \[Zn(s)+C{{u}^{2+}}(0.1\,\,M)\xrightarrow{{}}Z{{n}^{2+}}(1M)+Cu(s)\] taking place in a cell, \[E_{cell}^{\text{o}}\] is\[1.10\,\,V\]. \[{{E}_{cell}}\] for the cell will be\[\left( 2.3303\frac{RT}{F}=0.0591 \right)\]
  A)
  \[2.14\,\,V\]                      
  done clear
  B)
  \[1.80\,\,V\]      
  done clear
  C)
         \[0.82\,\,V\]      
  done clear
  D)
         \[1.07\,\,V\]
  done clear
  View Answer play_arrow

• question_answer162) \[{{C}_{6}}{{H}_{6}}+C{{l}_{2}}\xrightarrow{Sunlight}\]product
  A)
  \[BHC\]
  done clear
  B)
  chloro benzene
  done clear
  C)
  dichloro benzene
  done clear
  D)
  None of the above
  done clear
  View Answer play_arrow

• question_answer163) The required condition for an ideal solution is
  A)
  \[\Delta {{H}_{mix}}=0\]              
  done clear
  B)
         \[\Delta {{V}_{mix}}\ne 0\]        
  done clear
  C)
  \[{{p}_{A}}\ne p_{A}^{o}{{X}_{A}}\]      
  done clear
  D)
         \[\Delta {{H}_{mix}}>1\]
  done clear
  View Answer play_arrow

• question_answer164) Interionic distance for \[CsCl\] crystal is
  A)
  \[a\]                                     
  done clear
  B)
  \[a/2\]                 
  done clear
  C)
  \[\frac{\sqrt{3}}{4}a\]   
  done clear
  D)
         \[\frac{2a}{\sqrt{3}}\]
  done clear
  View Answer play_arrow

• question_answer165) How many space lattices are obtained from the different crystal systems?
  A)
   7                                            
  done clear
  B)
  14                          
  done clear
  C)
  32                          
  done clear
  D)
         230
  done clear
  View Answer play_arrow

• question_answer166) Which of the following occurs at anode?
  A)
  Reduction          
  done clear
  B)
  Oxidation           
  done clear
  C)
         Both (a) and (b) 
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer167) Parkes process is used for the extraction of
  A)
  iron                                       
  done clear
  B)
  sodium
  done clear
  C)
  silver             
  done clear
  D)
         zinc
  done clear
  View Answer play_arrow

• question_answer168) The common method of extraction of metals from oxide ores is
  A)
  reduction with carbon
  done clear
  B)
  reduction with hydrogen
  done clear
  C)
  reduction with aluminium
  done clear
  D)
  electrolytic method
  done clear
  View Answer play_arrow

• question_answer169) The transition metals mostly are
  A)
  diamagnetic
  done clear
  B)
  paramagnetic
  done clear
  C)
  neither diamagnetic nor paramagnetic
  done clear
  D)
  both diamagnetic and paramagnetic
  done clear
  View Answer play_arrow

• question_answer170) Which of the following is an electron deficient compound?
  A)
  \[{{B}_{2}}{{H}_{6}}\]                    
  done clear
  B)
  \[N{{H}_{3}}\]                  
  done clear
  C)
  \[{{C}_{2}}{{H}_{6}}\]    
  done clear
  D)
         \[CC{{l}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer171) Aniline reacts with chloroform in the presence of \[KOH\] to give
  A)
  phenol                 
  done clear
  B)
  chlorobenzene                
  done clear
  C)
  phenyl cyanide  
  done clear
  D)
        phenyl isocyanide
  done clear
  View Answer play_arrow

• question_answer172) Which one of the following is conjugate acid of water in the reaction?                 \[{{H}_{2}}S{{O}_{4}}+{{H}_{2}}O{{H}_{3}}{{O}^{+}}+HSO_{4}^{-}\]
  A)
  \[{{H}_{2}}O\]                  
  done clear
  B)
  \[{{H}_{3}}{{O}^{+}}\]   
  done clear
  C)
         \[SO_{4}^{2-}\]
  done clear
  D)
         \[HSO_{4}^{-}\]
  done clear
  View Answer play_arrow

• question_answer173) The product of \[{{H}^{+}}\] and \[O{{H}^{-}}\] of water will be
  A)
  \[{{K}_{w}}={{10}^{-12}}\]                          
  done clear
  B)
  \[{{K}_{w}}={{10}^{-14}}\]          
  done clear
  C)
  \[{{K}_{w}}={{10}^{-11}}\]          
  done clear
  D)
         \[{{K}_{w}}={{10}^{-10}}\]
  done clear
  View Answer play_arrow

• question_answer174) When methyl cyanide is hydrolyzed in presence of alkali, the product is
  A)
  acetamide          
  done clear
  B)
  methane            
  done clear
  C)
  \[C{{O}_{2}}+{{H}_{2}}O\]       
  done clear
  D)
         acetic acid
  done clear
  View Answer play_arrow

• question_answer175) For\[NaCl\], the\[{{K}_{sp}}=36\,\,mo{{l}^{2}}{{L}^{-2}}\], the molar concentration of it will be
  A)
  \[\frac{1}{36}M\]                            
  done clear
  B)
  \[\frac{1}{16}M\]            
  done clear
  C)
         \[36\,\,M\]        
  done clear
  D)
         \[6\,\,M\]
  done clear
  View Answer play_arrow

• question_answer176) Four solutions \[A,\,\,B,\,\,C,\,\,D\] has glucose\[0.5\,\,M\], \[NaCl\,\,0.1\,\,M\], \[BaC{{l}_{2}}\,\,0.5\,\,M\] and\[MgC{{l}_{2}}\,\,0.1\,\,M\], then which of the following will have highest osmotic pressure?
  A)
  Glucose               
  done clear
  B)
  \[BaC{{l}_{2}}\]
  done clear
  C)
         \[MgC{{l}_{2}}\]              
  done clear
  D)
         \[NaCl\]
  done clear
  View Answer play_arrow

• question_answer177) The highest boiling point is of
  A)
  \[FeC{{l}_{2}}\]                
  done clear
  B)
  \[FeC{{l}_{3}}\]                
  done clear
  C)
  \[A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]              
  done clear
  D)
         \[AlC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer178) For an ionic crystal of the general formula \[M\] and coordination number is\[6\], the value of radius ratio will be
  A)
  greater than 0.73
  done clear
  B)
  in between 0.73 and 0.41
  done clear
  C)
  in between 0.41 and 0.22
  done clear
  D)
  less than 0.22
  done clear
  View Answer play_arrow

• question_answer179) Which of the following can be used to convert \[_{7}^{14}N\]into\[_{8}^{17}O\]?
  A)
  Deutron              
  done clear
  B)
  Proton 
  done clear
  C)
  \[\alpha \]-particle       
  done clear
  D)
  Neutron
  done clear
  View Answer play_arrow

• question_answer180) \[{{N}_{2}}{{O}_{4}}2N{{O}_{2}}-Q\] The unit of \[{{K}_{p}}\] for the given reaction is
  A)
  atmosphere                      
  done clear
  B)
  atomsphere2    
  done clear
  C)
         atmosphere-1    
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer181) Number of ions for the complex\[[Co{{(N{{H}_{3}})}_{4}}Cl]C{{l}_{2}}\] shown by the conductivity measurement, is
  A)
  2                                             
  done clear
  B)
  4                             
  done clear
  C)
         3                             
  done clear
  D)
         1
  done clear
  View Answer play_arrow

• question_answer182) Rusting on iron needs
  A)
  dry air
  done clear
  B)
  air and water
  done clear
  C)
  distilled water and carbon dioxide
  done clear
  D)
  oxygen and carbon dioxide
  done clear
  View Answer play_arrow

• question_answer183) First ionization potential is highest for
  A)
  \[Na\]                                  
  done clear
  B)
  \[Mg\]                 
  done clear
  C)
  \[Al\]                    
  done clear
  D)
         None of these
  done clear
  View Answer play_arrow

• question_answer184) Which compound is not a lipid?
  A)
  Lecithin               
  done clear
  B)
  Lysine  
  done clear
  C)
         Cerebroside      
  done clear
  D)
         Cephalin
  done clear
  View Answer play_arrow

• question_answer185) Which one of the following notations shows product incorrectly?
  A)
  \[_{96}^{242}Cm(\alpha ,\,\,2m)_{97}^{243}Bk\]
  done clear
  B)
  \[_{5}^{10}B(\alpha ,\,\,n)_{7}^{13}N\]
  done clear
  C)
  \[_{7}^{14}N(n,\,\,p)_{6}^{14}C\]
  done clear
  D)
  \[_{14}^{28}Si(d,\,\,n)_{15}^{29}P\]
  done clear
  View Answer play_arrow

• question_answer186) In the equilibrium reaction\[2HI(g){{H}_{2}}+{{I}_{3}}\]which of the following expressions is true?
  A)
  \[{{K}_{p}}={{K}_{c}}\]  
  done clear
  B)
  \[{{K}_{c}}=2{{K}_{p}}\]               
  done clear
  C)
  \[{{K}_{p}}>{{K}_{c}}\]  
  done clear
  D)
         \[{{K}_{c}}={{K}_{p}}{{(RT)}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer187) For a reaction of the type \[A+B\to \] products, it is observed that doubling the concentration of \[A\] causes the reaction rate to be four times as great, but doubling the amount of \[B\] does not affect the rate. The rate equation is
  A)
  \[Rate=k[A][B]\]             
  done clear
  B)
  \[Rate=k{{[A]}^{2}}\]    
  done clear
  C)
         \[Rate=k{{[A]}^{2}}[B]\]
  done clear
  D)
         \[Rate=k{{[A]}^{2}}[B]\]
  done clear
  View Answer play_arrow

• question_answer188) In the following, the element with the highest electropositivity is
  A)
  copper          
  done clear
  B)
         cesium 
  done clear
  C)
         barium          
  done clear
  D)
         chromium
  done clear
  View Answer play_arrow

• question_answer189) The reaction        \[C{{H}_{2}}=C{{H}_{2}}+{{H}_{2}}\xrightarrow[{{250}^{o}}-{{300}^{o}}C]{Ni}C{{H}_{3}}-C{{H}_{3}}\] is called
  A)
  Wurtz reaction
  done clear
  B)
  Kolbes reaction
  done clear
  C)
  Sabatier-Senderens reaction
  done clear
  D)
  Carbylamine reaction
  done clear
  View Answer play_arrow

• question_answer190) Unit of first order rate constant is
  A)
  \[mol\,\,L\,\,s\]
  done clear
  B)
  \[mo{{l}^{-1}}{{L}^{-1}}{{s}^{-1}}\]
  done clear
  C)
  \[mol\,\,{{L}^{-1}}{{s}^{-1}}\]
  done clear
  D)
  \[{{s}^{-1}},\,\,{{\min }^{-1}}etc\].
  done clear
  View Answer play_arrow

• question_answer191) Which of the following describes the shape of orbital?
  A)
  Principal quantum number
  done clear
  B)
  Azimuthal quantum number
  done clear
  C)
  Magnetic quantum number
  done clear
  D)
  Spin quantum number
  done clear
  View Answer play_arrow

• question_answer192) The formula of a phosphate of a metal\[M\], is\[MP{{O}_{4}}\]. The formula of its nitrate will be
  A)
  \[MN{{O}_{3}}\]                              
  done clear
  B)
  \[M{{(N{{O}_{3}})}_{2}}\]           
  done clear
  C)
  \[M{{(N{{O}_{3}})}_{3}}\]           
  done clear
  D)
         \[{{M}_{2}}{{(N{{O}_{3}})}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer193) The \[d-\]block element consists mostly of
  A)
  monovalent metals
  done clear
  B)
  all non-metals
  done clear
  C)
  elements which generally form stoichiometric metal oxide
  done clear
  D)
  many metals with catalytic properties
  done clear
  View Answer play_arrow

• question_answer194) A mixture containing \[C{{u}^{2+}}\] and \[N{{i}^{2+}}\] can be separated for identification by
  A)
  passing \[{{H}_{2}}S\] in acid medium
  done clear
  B)
  passing \[{{H}_{2}}S\] in alkaline medium
  done clear
  C)
  passing \[{{H}_{2}}S\] in neutral medium
  done clear
  D)
  passing \[{{H}_{2}}S\] in dry mixture
  done clear
  View Answer play_arrow

• question_answer195) Strongest Bronsted base among the following anions is
  A)
  \[ClO\]                                 
  done clear
  B)
  \[Cl{{O}_{2}}\]  
  done clear
  C)
         \[ClO_{3}^{-}\] 
  done clear
  D)
         \[ClO_{4}^{-}\]
  done clear
  View Answer play_arrow

• question_answer196) Which one of the following is a good conductor of electricity?
  A)
  Diamond             
  done clear
  B)
  Graphite
  done clear
  C)
  Silicon
  done clear
  D)
  Amorphous carbon
  done clear
  View Answer play_arrow

• question_answer197) Which one of the following is an example of non-typical transition elements?
  A)
  \[Li,\,\,K,\,\,Na\]                            
  done clear
  B)
  \[Be,\,\,Al,\,\,Pb\]         
  done clear
  C)
         \[Zn,\,\,Cd,\,\,Hg\]        
  done clear
  D)
         \[Ba,\,\,Ca,\,\,Sr\]
  done clear
  View Answer play_arrow

• question_answer198) Which of the following has zero dipole moment?
  A)
  \[ClF\]                  
  done clear
  B)
  \[PC{{l}_{3}}\]  
  done clear
  C)
         \[Si{{F}_{4}}\]                   
  done clear
  D)
         \[CFC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer199) In galvanic cell, the salt bridge is used to
  A)
   complete the circuit
  done clear
  B)
  reduce the electric resistance in the cell
  done clear
  C)
  separate cathode from anode
  done clear
  D)
  carry salts for the chemical reaction
  done clear
  View Answer play_arrow

• question_answer200) Reduction of methyl isocyanide gives
  A)
  ethylamine        
  done clear
  B)
  methylamine    
  done clear
  C)
  dimethylamine 
  done clear
  D)
          trimethylamine
  done clear
  View Answer play_arrow

• question_answer201) Perianth is represented by
  A)
   glumes                               
  done clear
  B)
   lemma
  done clear
  C)
          lodicules            
  done clear
  D)
          palea
  done clear
  View Answer play_arrow

• question_answer202) Table sugar is consist of
  A)
   lactose                
  done clear
  B)
          sucrose              
  done clear
  C)
          maltose              
  done clear
  D)
          glucose
  done clear
  View Answer play_arrow

• question_answer203) The terminator gene technology causes
  A)
   failure of seed setting after one generation
  done clear
  B)
   breakage of seed dormancy
  done clear
  C)
   early flowering in plants
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer204) The term totipotency refers to
  A)
   the capability of organism to regenerate its lost parts
  done clear
  B)
   capability of somatic cells to produce complete organism
  done clear
  C)
   the introduction of foreign gene in a cells DNA
  done clear
  D)
   the technique of growing immature embryos
  done clear
  View Answer play_arrow

• question_answer205) Work of Beadle and Tatum on Neurospora  rassa proved that
  A)
   Replication of DNA is semi-conservative
  done clear
  B)
   viruses have genetic material
  done clear
  C)
   every gene is responsible for specific enzymes
  done clear
  D)
   plant cells are to tipotent
  done clear
  View Answer play_arrow

• question_answer206) Polyploidy means occurrence of
  A)
   haploid sets of chromosomes
  done clear
  B)
   diploid sets of chromosomes
  done clear
  C)
   more than diploid sets of chromosomes
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer207) The deteriorative processes in plants, that naturally terminate their functional life, are collectively called
  A)
   wilting                 
  done clear
  B)
          abscission
  done clear
  C)
   plasmolysis       
  done clear
  D)
          senescence
  done clear
  View Answer play_arrow

• question_answer208) Which pigment involves in photoperiodic change in plants?
  A)
   Phytochrome    
  done clear
  B)
          Cytochrome
  done clear
  C)
   Chlorophyll      
  done clear
  D)
   Anthocyanin
  done clear
  View Answer play_arrow

• question_answer209) Linnaen system of plant classification is based  on
  A)
   morphological and anatomical characters
  done clear
  B)
   evolutionary trends
  done clear
  C)
   floral characters
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer210) Succession on secondary base area is
  A)
   primosere        
  done clear
  B)
          subsere
  done clear
  C)
   xerosere                            
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer211) An unrestricted reproductive capacity is called
  A)
   birth rate         
  done clear
  B)
          biotic potential
  done clear
  C)
   carrying capacity
  done clear
  D)
          fertility
  done clear
  View Answer play_arrow

• question_answer212) Ubisch bodies are secreted by
  A)
   tapetum
  done clear
  B)
   exine
  done clear
  C)
   microspore mother cells
  done clear
  D)
   endothecium
  done clear
  View Answer play_arrow

• question_answer213) Alginic acid is found in the cell wall of
  A)
   Gigartina           
  done clear
  B)
          Laminaria
  done clear
  C)
   Gelidium            
  done clear
  D)
          Scytonema
  done clear
  View Answer play_arrow

• question_answer214) Lady finger (bhindi) belongs to
  A)
   Malvaceae       
  done clear
  B)
          Cruciferae
  done clear
  C)
   Solanaceae       
  done clear
  D)
          Liliaceae
  done clear
  View Answer play_arrow

• question_answer215) P-proteins are associated with
  A)
   sieve tube elements
  done clear
  B)
   xylem parenchyma
  done clear
  C)
   trichomes
  done clear
  D)
   tracheids and vessels
  done clear
  View Answer play_arrow

• question_answer216) Potato is a modification of
  A)
   stem                    
  done clear
  B)
          rhizome
  done clear
  C)
   root                     
  done clear
  D)
          leaf
  done clear
  View Answer play_arrow

• question_answer217) Antherozoids of Dryopteris are
  A)
   multiciliated and coiled
  done clear
  B)
   multiciliated and sickle-shaped
  done clear
  C)
   biciliated and coiled
  done clear
  D)
   biciliated and sickle-shaped
  done clear
  View Answer play_arrow

• question_answer218) Ginger multiplies vegetatively by
  A)
   bud                                      
  done clear
  B)
   tuber
  done clear
  C)
   stem                    
  done clear
  D)
          rhizome
  done clear
  View Answer play_arrow

• question_answer219) In Cycas stem, open vascular bundle is characterized by
  A)
   phloem being sandwitched between xylem
  done clear
  B)
   cambium present in between xylem and phloem
  done clear
  C)
   xylem being sandwitched between phloem
  done clear
  D)
   xylem and phloem occurring on different radii
  done clear
  View Answer play_arrow

• question_answer220) From which part of coconut coir is obtained?
  A)
   Pericarp             
  done clear
  B)
          Mesocarp
  done clear
  C)
   Epicarp               
  done clear
  D)
          Endocarp
  done clear
  View Answer play_arrow

• question_answer221) Both heterospory and circinate plyxis occur in
  A)
   Dryopteris                        
  done clear
  B)
   Finns
  done clear
  C)
   Cycas                   
  done clear
  D)
          Funaria
  done clear
  View Answer play_arrow

• question_answer222) In Funaria, the stomata are found on
  A)
   foot                     
  done clear
  B)
          seta
  done clear
  C)
   capsule               
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer223) Tracheophyta consists of
  A)
   bryophytes only
  done clear
  B)
   pteridophytes only
  done clear
  C)
   gymnosperms and angiosperms
  done clear
  D)
   Both (b) and (c)
  done clear
  View Answer play_arrow

• question_answer224) Green-house effect is mainly caused by
  A)
   CFCs                    
  done clear
  B)
          \[C{{H}_{4}}\]
  done clear
  C)
   \[C{{O}_{2}}\]
  done clear
  D)
                                         \[CO\]
  done clear
  View Answer play_arrow

• question_answer225) Nucellar polyembryony occurs in
  A)
   Corchorus        
  done clear
  B)
   Cirrus
  done clear
  C)
   Carthamus       
  done clear
  D)
          Zea mays
  done clear
  View Answer play_arrow

• question_answer226) Male gametophyte of angiosperms is reduced  o
  A)
   one cell                              
  done clear
  B)
   two cells
  done clear
  C)
   three cells         
  done clear
  D)
          four cells
  done clear
  View Answer play_arrow

• question_answer227) In \[{{C}_{3}}\] plants, the first stable product of photosynthesis during dark reaction is
  A)
   PGAL                                   
  done clear
  B)
   RuBP
  done clear
  C)
   PGA                     
  done clear
  D)
          OAA
  done clear
  View Answer play_arrow

• question_answer228) During the formation of embryo sac, the functional megaspore undergoes
  A)
   two mitotic divisions
  done clear
  B)
   two meiotic divisions
  done clear
  C)
   three meiotic divisions
  done clear
  D)
   three mitotic divisions
  done clear
  View Answer play_arrow

• question_answer229) The first \[C{{O}_{4}}\] acceptor in \[{{C}_{4}}\] cycle is
  A)
   RuBP                                   
  done clear
  B)
   PEP
  done clear
  C)
   PGA                     
  done clear
  D)
          OAA
  done clear
  View Answer play_arrow

• question_answer230) The water available to plants for absorption is
  A)
   gravitational water
  done clear
  B)
   hygroscopic water
  done clear
  C)
   capillary water
  done clear
  D)
   chemically bound water
  done clear
  View Answer play_arrow

• question_answer231) Cell wall of fungi is made up of
  A)
   fungal cellulose               
  done clear
  B)
   hemicellulose
  done clear
  C)
   fungal chitin     
  done clear
  D)
          Both (a) and (c)
  done clear
  View Answer play_arrow

• question_answer232) The plant ash indicates
  A)
   organic matter of plant
  done clear
  B)
   mineral salts absorbed by plants
  done clear
  C)
   both mineral salts and organic matter
  done clear
  D)
   silica absorbed by plants
  done clear
  View Answer play_arrow

• question_answer233) During cell cycle, RNA and non-histone proteins are synthesized in
  A)
   S-phase                              
  done clear
  B)
   \[{{G}_{\text{o}}}\]-phase
  done clear
  C)
   \[{{G}_{2}}\]-phase                      
  done clear
  D)
          M-phase
  done clear
  View Answer play_arrow

• question_answer234) Which one of the following is the terminal electron acceptor?
  A)
   Molecular \[C{{O}_{2}}\]            
  done clear
  B)
   Molecular \[{{O}_{2}}\]
  done clear
  C)
   Molecular \[{{H}_{2}}\]  
  done clear
  D)
          \[NADP{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer235) Bract is a modified
  A)
   petal                                    
  done clear
  B)
   sepal
  done clear
  C)
   leaf                      
  done clear
  D)
          involucres
  done clear
  View Answer play_arrow

• question_answer236) Hormone replacing the requirement of vernalization is
  A)
   ethylene                            
  done clear
  B)
   auxin
  done clear
  C)
   gibberellins      
  done clear
  D)
          cytokinin
  done clear
  View Answer play_arrow

• question_answer237) Thigmotropism is best seen in
  A)
   tendrils                               
  done clear
  B)
   leaf apex
  done clear
  C)
   root apex          
  done clear
  D)
          stem apex
  done clear
  View Answer play_arrow

• question_answer238) Transpiration is measured by
  A)
   potometre       
  done clear
  B)
   porometre
  done clear
  C)
   auxanometre    
  done clear
  D)
          respirometre
  done clear
  View Answer play_arrow

• question_answer239) The function of polymerase chain reaction is
  A)
   transduction                    
  done clear
  B)
   DNA amplification
  done clear
  C)
   translation       
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer240) Mutation is more common when it is present in
  A)
   recessive condition
  done clear
  B)
   dominant condition
  done clear
  C)
   constant in population
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer241) The most common type of ovule in angiosperms is
  A)
   amphitropous                 
  done clear
  B)
   atropous
  done clear
  C)
   anatropous      
  done clear
  D)
          circinotropous
  done clear
  View Answer play_arrow

• question_answer242) When two hybrids rrTt and Rrtt are crossed, the phenotype ratio of offspring would be
  A)
   3 : 1                                      
  done clear
  B)
   9 : 3 : 3 : 1
  done clear
  C)
   1 : 1                      
  done clear
  D)
          1 : 1 : 1 : 1
  done clear
  View Answer play_arrow

• question_answer243) One of the most resistant known biological material is
  A)
   lignin                                   
  done clear
  B)
   hemicellulose
  done clear
  C)
   sporopollenin    
  done clear
  D)
         lignocelluloses
  done clear
  View Answer play_arrow

• question_answer244) Energy enters the ecosystem through
  A)
   herbivore                          
  done clear
  B)
   carnivore
  done clear
  C)
   producer           
  done clear
  D)
          decomposer
  done clear
  View Answer play_arrow

• question_answer245) In soil profile, humus is present in
  A)
   horizon-O                          
  done clear
  B)
   horizon-A
  done clear
  C)
   horizon-B          
  done clear
  D)
          horizon-C
  done clear
  View Answer play_arrow

• question_answer246) The smallest angiospermic flower is
  A)
   Wolffia                               
  done clear
  B)
   Ranunculus
  done clear
  C)
   Rafflesia            
  done clear
  D)
          SteHana
  done clear
  View Answer play_arrow

• question_answer247) The pyramid of energy is always
  A)
   opaque                              
  done clear
  B)
   horizontal
  done clear
  C)
   upright               
  done clear
  D)
          inverted
  done clear
  View Answer play_arrow

• question_answer248) The transition zone between the two vegetations of ecosystem is called
  A)
   ecotone                             
  done clear
  B)
   ecocline
  done clear
  C)
   ecosystem        
  done clear
  D)
          ecesis
  done clear
  View Answer play_arrow

• question_answer249) Protein in silk thread is
  A)
   fibroin                 
  done clear
  B)
          keratin
  done clear
  C)
   albumin              
  done clear
  D)
          globulin
  done clear
  View Answer play_arrow

• question_answer250) Thermoregulatory centre of human body is associated with
  A)
   cerebrum                          
  done clear
  B)
   cerebellum
  done clear
  C)
   hypothalamus    
  done clear
  D)
          medulla oblongata
  done clear
  View Answer play_arrow

• question_answer251) Body cavity of adult Ascans is
  A)
   haemocoel      
  done clear
  B)
   amphicoel
  done clear
  C)
   pseudocoel      
  done clear
  D)
          schizocoel
  done clear
  View Answer play_arrow

• question_answer252) Collar cells are characteristic of
  A)
   earthworm      
  done clear
  B)
   roundworms
  done clear
  C)
   coelenterata     
  done clear
  D)
          sponges
  done clear
  View Answer play_arrow

• question_answer253) In honey bee, the drones are
  A)
   sterile male                      
  done clear
  B)
   fertile male
  done clear
  C)
   fertile female     
  done clear
  D)
          sterile female
  done clear
  View Answer play_arrow

• question_answer254) Crypts of Leiberkuhn are involved in
  A)
   secretion of succus entericus
  done clear
  B)
   secretion of rennin
  done clear
  C)
   secretion of ptyalin
  done clear
  D)
   digestion of food
  done clear
  View Answer play_arrow

• question_answer255) Plasmids are found in
  A)
   virus                                    
  done clear
  B)
   bacteria
  done clear
  C)
   fungi                    
  done clear
  D)
          viroid
  done clear
  View Answer play_arrow

• question_answer256) Oxygen dissociation curve is
  A)
   sigmoid                              
  done clear
  B)
   parabolic
  done clear
  C)
   hyperbolic        
  done clear
  D)
          straight line
  done clear
  View Answer play_arrow

• question_answer257) Blood leaving the liver and going towards heart is rich in
  A)
   bile                                       
  done clear
  B)
   urea
  done clear
  C)
   ammonia           
  done clear
  D)
          oxygen
  done clear
  View Answer play_arrow

• question_answer258) Membrane that covers the vacuole in a plant cell is called
  A)
   tonoplast                           
  done clear
  B)
   tonoplasm
  done clear
  C)
   jacket                  
  done clear
  D)
          cell membrane
  done clear
  View Answer play_arrow

• question_answer259) In earthworm, gizzard is found, in which of the following segments?
  A)
   9th segment                      
  done clear
  B)
   18th segment
  done clear
  C)
   13th segment     
  done clear
  D)
          16th segment
  done clear
  View Answer play_arrow

• question_answer260) The infective stage of Entamoeba histolytica is
  A)
   trophozoite stage
  done clear
  B)
   binucleated cyst stage
  done clear
  C)
   tetranucleated cyst stage
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer261) The initiation codon in eukaryotes is
  A)
   AUG                                    
  done clear
  B)
   UGA
  done clear
  C)
   UAG                                    
  done clear
  D)
   UAA
  done clear
  View Answer play_arrow

• question_answer262) Pasteurization temperature is
  A)
  \[72{}^\circ C\] for 20 minutes  
  done clear
  B)
  \[63{}^\circ C\] for 15 seconds
  done clear
  C)
   \[70{}^\circ C\] for 15 seconds
  done clear
  D)
  \[65{}^\circ C\] for 30 minutes
  done clear
  View Answer play_arrow

• question_answer263) The number of heart chambers found in cockroach is
  A)
   4                                            
  done clear
  B)
   7
  done clear
  C)
   5                            
  done clear
  D)
          13
  done clear
  View Answer play_arrow

• question_answer264) The ratio of methane, ammonia and hydrogen in Stanley Millers experiment was
  A)
   3 : 1 : 2                                
  done clear
  B)
   2 : 1 : 2
  done clear
  C)
   1 : 2 : 1                
  done clear
  D)
          5 : 4 : 1
  done clear
  View Answer play_arrow

• question_answer265) Convergent evolution is shown by
  A)
   homologous organ        
  done clear
  B)
   analogous organ
  done clear
  C)
   vestigial organ   
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer266) Teichoic acid is present in
  A)
   cell wall of Gram positive bacteria
  done clear
  B)
   cell wall of Gram negative bacteria
  done clear
  C)
   capsid of virus
  done clear
  D)
   protoplasm of mycoplasma
  done clear
  View Answer play_arrow

• question_answer267) % sign is used for
  A)
   actinomorphic flower   
  done clear
  B)
   zygomorphic flower
  done clear
  C)
   incomplete flower
  done clear
  D)
   epigynous flower
  done clear
  View Answer play_arrow

• question_answer268) Crossing over occurs
  A)
   single strand stage        
  done clear
  B)
   two strand stage
  done clear
  C)
   four strand stage           
  done clear
  D)
   eight strand stage
  done clear
  View Answer play_arrow

• question_answer269) Ontogeny repeats phylogeny is the statement of which of the following theories?
  A)
   Mutation theory
  done clear
  B)
   Inheritance theory
  done clear
  C)
   Recapitulation theory
  done clear
  D)
   Natural selection theory
  done clear
  View Answer play_arrow

• question_answer270) Darwin proposed the theory of
  A)
   inheritance of acquired characters
  done clear
  B)
   natural selection
  done clear
  C)
   recapitulation
  done clear
  D)
   continuity of germplasm
  done clear
  View Answer play_arrow

• question_answer271) Which of the following is not Darwins conclusion?
  A)
   Survival of the fittest
  done clear
  B)
   Struggle for existence
  done clear
  C)
   Inheritance of acquired characters
  done clear
  D)
   Origin of species by natural selection
  done clear
  View Answer play_arrow

• question_answer272) Nuclear membrane is continuous with
  A)
   rough endoplasmic reticulum
  done clear
  B)
   smooth endoplasmic reticulum
  done clear
  C)
   cell membrane
  done clear
  D)
   Golgi bodies
  done clear
  View Answer play_arrow

• question_answer273) Cosmid is
  A)
   extragenetic material in mycoplasma
  done clear
  B)
   circular DNA in bacteria
  done clear
  C)
   extra DNA in bacteria
  done clear
  D)
   fragment of DNA inserted in bacteria for forming copies
  done clear
  View Answer play_arrow

• question_answer274) XO chromosomal abnormality in humans causes
  A)
   Turners syndrome
  done clear
  B)
                         Downs syndrome
  done clear
  C)
   Darwins syndrome
  done clear
  D)
   Klinefelters syndrome
  done clear
  View Answer play_arrow

• question_answer275) Fertilization of ovum takes place in rabbit, man and other placental mammals in
  A)
   ovary                                   
  done clear
  B)
   fallopian tube
  done clear
  C)
   cervix                  
  done clear
  D)
          uterus
  done clear
  View Answer play_arrow

• question_answer276) At what stage in test tube babies, the zygote is implanted in human female?
  A)
   32-celled stage                
  done clear
  B)
   64-celled stage
  done clear
  C)
   100-celled stage             
  done clear
  D)
   164-celled stage
  done clear
  View Answer play_arrow

• question_answer277) Pentoses and hexoses are common
  A)
   monosaccharides           
  done clear
  B)
   disaccharides
  done clear
  C)
   polysaccharides
  done clear
  D)
          oligosaccharides
  done clear
  View Answer play_arrow

• question_answer278) Pheromone is
  A)
   a product of endocrine gland
  done clear
  B)
   used for animal communication
  done clear
  C)
   messenger RNA
  done clear
  D)
   always protein
  done clear
  View Answer play_arrow

• question_answer279) Secretion is under control of neurosecretory nerve axons in
  A)
   pineal gland                      
  done clear
  B)
   adrenal cortex
  done clear
  C)
   anterior pituitary
  done clear
  D)
          posterior pituitary
  done clear
  View Answer play_arrow

• question_answer280) If an isolated strain of DNA is kept at \[82-90{}^\circ C\] then
  A)
   it changes into RNA
  done clear
  B)
   it breaks into two fragments
  done clear
  C)
   it breaks into many fragments
  done clear
  D)
   it uncoils and the two strands separate
  done clear
  View Answer play_arrow

• question_answer281) The smallest endocrine gland is
  A)
   thyroid 
  done clear
  B)
                                          parathyroid
  done clear
  C)
   pituitary             
  done clear
  D)
          adrenal
  done clear
  View Answer play_arrow

• question_answer282) Ban body in mammals represents
  A)
   all the heterochromatin in female cells
  done clear
  B)
   one of the two X-chromosomes in somatic cells of females
  done clear
  C)
   all the heterochromatin in male and female cells
  done clear
  D)
   the Y-chromosome in somatic cells of male
  done clear
  View Answer play_arrow

• question_answer283) Gland responsible for calcium metabolism is
  A)
   thymus               
  done clear
  B)
          thyroid
  done clear
  C)
   parathyroid      
  done clear
  D)
          adrenal
  done clear
  View Answer play_arrow

• question_answer284) Which of the following is not a case of epimorphosis?
  A)
   Formation of sperms from small clumps of cells
  done clear
  B)
   Regeneration of tail in a lizard
  done clear
  C)
   Replacement of severed arm in starfish
  done clear
  D)
   Replacement of limb in salamander
  done clear
  View Answer play_arrow

• question_answer285) The daughter born to haemophilic father and normal mother could be
  A)
   normal                                
  done clear
  B)
   carrier
  done clear
  C)
   haemophilic     
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer286) Removal or absence of thymus in early life shall bring about
  A)
   lack of lymphocytes      
  done clear
  B)
   lack of antibodies
  done clear
  C)
   lack of lymph nodes      
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer287) Bone marrow is made up of
  A)
   muscular fibre and fatty tissue
  done clear
  B)
   fatty tissue and areolar tissue
  done clear
  C)
   fatty tissue and cartilage
  done clear
  D)
   fatty tissue, areolar tissue and blood vessel
  done clear
  View Answer play_arrow

• question_answer288) Mast cells secrete
  A)
   serotonin                          
  done clear
  B)
   heparin
  done clear
  C)
   histamine          
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer289) Which one is component of ornithine cycle?
  A)
   Ornithine, citrulline and fumaric acid
  done clear
  B)
   Ornithine, citrulline and arginine
  done clear
  C)
   Ornithine, citrulline and alanine
  done clear
  D)
   Amino acids are not used
  done clear
  View Answer play_arrow

• question_answer290) Bidders canal is present in
  A)
   male rabbit      
  done clear
  B)
          male frog
  done clear
  C)
   female frog      
  done clear
  D)
          Both (b) and (c)
  done clear
  View Answer play_arrow

• question_answer291) Zygomatic arch of rabbit is formed of
  A)
   maxilla, periotic and jugal
  done clear
  B)
   periotic, jugal and palatine
  done clear
  C)
   maxilla, squamosal and jugal
  done clear
  D)
   maxilla, premaxilla and squamosal
  done clear
  View Answer play_arrow

• question_answer292) Role of spleen in mammal is
  A)
   to control blood pressure
  done clear
  B)
   to assist liver
  done clear
  C)
   to act as haemopoietic tissue
  done clear
  D)
   to assist kidneys
  done clear
  View Answer play_arrow

• question_answer293) Excretory product of spider is
  A)
   uric acid              
  done clear
  B)
          ammonia
  done clear
  C)
   guanine              
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer294) Green glands present in some arthropods help in
  A)
   respiration       
  done clear
  B)
          excretion
  done clear
  C)
   digestion           
  done clear
  D)
          reproduction
  done clear
  View Answer play_arrow

• question_answer295) Sensation of stomach pain is due to
  A)
   interoceptors     
  done clear
  B)
          exteroceptors
  done clear
  C)
   proprioceptors  
  done clear
  D)
          teloceptors
  done clear
  View Answer play_arrow

• question_answer296) Right lung of rabbit is divided into
  A)
   four lobes        
  done clear
  B)
   two lobes
  done clear
  C)
   six lobes             
  done clear
  D)
          eight lobes
  done clear
  View Answer play_arrow

• question_answer297) Haemoglobin is having maximum affinity with
  A)
   \[C{{O}_{2}}\]                                  
  done clear
  B)
   \[CO\]
  done clear
  C)
   \[{{O}_{2}}\]                    
  done clear
  D)
          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer298) Veliger larva occurs in phylum
  A)
   Mollusca                            
  done clear
  B)
   Echinodermata
  done clear
  C)
   Arthropoda      
  done clear
  D)
          Cnidaria
  done clear
  View Answer play_arrow

• question_answer299) The most recent and direct prehistoric ancestor of present man is
  A)
   Cro-magnon                     
  done clear
  B)
   Pre-Neanderthal
  done clear
  C)
   Neanderthal     
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer300) Darwins finches refers to
  A)
   fossils of birds collected by Darwin at Galapagos islands
  done clear
  B)
   a type of birds present of Galapagos islands
  done clear
  C)
   migratory birds collected by Darwin at Galapagos islands
  done clear
  D)
   fossils of reptiles collected by Darwin at Galapagos islands
  done clear
  View Answer play_arrow