Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1997

done Rajasthan - PMT Solved Paper-1997 Total Questions - 391

• question_answer1) A wave front is an imaginary surface where;
  A)
  all particles lying on this vibrate in same phase
  done clear
  B)
  all particles tying on this vibrate in opposite phase
  done clear
  C)
  some particles in same phase and some in opposite phase
  done clear
  D)
  none of these
  done clear
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• question_answer2) A long wire is in north-south direction, it is dropped freely towards earth, then no potential difference is induced between its ends. This statement is:
  A)
   true                                     
  done clear
  B)
   false                    
  done clear
  C)
          meaningless    
  done clear
  D)
          none of these
  done clear
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• question_answer3) Radius of earth is 6400 km. The weight of body at a height of 6400 km from surface of earth will be:
  A)
   half                      
  done clear
  B)
          one fourth        
  done clear
  C)
          one third           
  done clear
  D)
          no change
  done clear
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• question_answer4) The dimension of intensity of magnetic field is:
  A)
  \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{0}}}{{\text{L}}^{\text{-1}}}{{\text{T}}^{\text{0}}}{{\text{A}}^{\text{1}}}\text{ }\!\!]\!\!\text{ }\]            
  done clear
  B)
         \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{\text{1}}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }\]           
  done clear
  C)
         \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{0}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }\]           
  done clear
  D)
         \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{1}}{{\text{L}}^{1}}{{\text{T}}^{\text{-2}}}{{\text{A}}^{\text{1}}}\text{ }\!\!]\!\!\text{ }\]
  done clear
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• question_answer5) On dropping a water drop on surface of oil it will:
  A)
   mix in oil
  done clear
  B)
   flow as a film
  done clear
  C)
   deformed
  done clear
  D)
   be of spherical shape
  done clear
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• question_answer6) Value of escape velocity from earth surface is:
  A)
   11.2km/s           
  done clear
  B)
          112m/s
  done clear
  C)
   22.4km/s           
  done clear
  D)
          11200 km/s
  done clear
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• question_answer7) Which of these relations is wrong?
  A)
  \[\text{1}\,\text{cal}\,\text{=4}\text{.18}\,\text{J}\]     
  done clear
  B)
         \[\text{1}\,\overset{\text{ }\!\!{}^\circ\!\!\text{ }}{\mathop{\text{A}}}\,\,\text{=}\,\text{1}{{\text{0}}^{\text{18}}}\text{m}\]
  done clear
  C)
  \[MeV\,\,\text{=}\,\text{1}\text{.6}{{\times }^{\text{-13}}}\text{J}\]
  done clear
  D)
          \[1N\,\,\text{=}\,\text{1}{{\text{0}}^{\text{-5}}}\] dyne
  done clear
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• question_answer8) The direction of wave front of a wave with the direction of propagation of wave is:
  A)
   parallel               
  done clear
  B)
          perpendicular  
  done clear
  C)
          opposite            
  done clear
  D)
          at angle\[\]
  done clear
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• question_answer9) Work of electric motor is:
  A)
   to convert A.C. into D.C.
  done clear
  B)
   to convert D.C. into A.C.
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   to convert A.C. into mechanical energy
  done clear
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• question_answer10) A.C. is measured b:
  A)
   induction coil
  done clear
  B)
   moving coil galvanometer
  done clear
  C)
   tangent galvanometer
  done clear
  D)
   hot wire ammeter
  done clear
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• question_answer11) Which is true for adiabatic process?
  A)
  \[\text{d}\,\text{=}\,\text{0}\]                
  done clear
  B)
         \[\text{dU=}\,\text{-}\,\text{dW}\]       
  done clear
  C)
   \[=\]constant                  
  done clear
  D)
   S is not constant
  done clear
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• question_answer12) True for real gas is:
  A)
   do not obey Boyles law
  done clear
  B)
   obey PV=RT
  done clear
  C)
   internal   energy   depends   on temperature only
  done clear
  D)
   obey van der Waals equation
  done clear
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• question_answer13) Lenzs law is bifurcated form of law:
  A)
   conservation of energy
  done clear
  B)
   conservation of mass
  done clear
  C)
   conservation of linear momentum
  done clear
  D)
   conservation of angular momentum
  done clear
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• question_answer14) Angular momentum is constant in absent of external.
  A)
   force                   
  done clear
  B)
          torque
  done clear
  C)
          both a and b 
  done clear
  D)
          inertia
  done clear
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• question_answer15) Critical temperature of \[C{{O}_{2}}\] gas is:
  A)
  \[31.1{}^\circ C\]             
  done clear
  B)
         \[55{}^\circ C\]                 
  done clear
  C)
         \[147.1{}^\circ C\]           
  done clear
  D)
         \[273\text{ }K\]
  done clear
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• question_answer16) To form a bigger drop constituting small drops. The surface energy of the bigger drop is... the total surface energy of small drops:
  A)
   less than            
  done clear
  B)
          more than         
  done clear
  C)
          equal to             
  done clear
  D)
          cant say
  done clear
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• question_answer17) Effect of forward bias on depletion layer is:
  A)
   decreases         
  done clear
  B)
          increases           
  done clear
  C)
          remains same  
  done clear
  D)
          none of these
  done clear
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• question_answer18) The reason for the appearance of bottom of bucket filled with liquid up :
  A)
   refraction of light           
  done clear
  B)
   interference    
  done clear
  C)
          diffraction         
  done clear
  D)
          none of these
  done clear
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• question_answer19) On charging a soap bubble its radius:
  A)
   increases
  done clear
  B)
   decreases
  done clear
  C)
   remains same
  done clear
  D)
   first increases then decreases
  done clear
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• question_answer20) Light moves in straight line because:
  A)
   it is not absorbed by the atmosphere
  done clear
  B)
   its velocity is too high
  done clear
  C)
   effect of diffraction is negligible for light
  done clear
  D)
   none of these
  done clear
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• question_answer21) Hot wire ameter is used for:                      
  A)
   to measure D.C.
  done clear
  B)
   to measure A.C.
  done clear
  C)
   neither in A.C. nor in D.C,
  done clear
  D)
   for both A.C. and D.C.
  done clear
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• question_answer22) Which of the statement is wrong for isothermal state?
  A)
   Temperature is constant
  done clear
  B)
   Internal energy is constant
  done clear
  C)
   No transfer of energy takes place
  done clear
  D)
   1st two statements are true
  done clear
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• question_answer23) A resistance and r coil are connected in series with an A.C. sourer voltage 20 V. If the potential difference across resistance across resistance is 12 volt. Then what will be potential difference across the coil:
  A)
   16 volt                 
  done clear
  B)
          10 volt 
  done clear
  C)
          8 volt                   
  done clear
  D)
          6 volt
  done clear
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• question_answer24) Average power loss in an induction coil is:
  A)
  \[\frac{1}{2}L{{I}^{2}}\]                          
  done clear
  B)
              \[2L{{I}^{2}}\]                  
  done clear
  C)
  \[\frac{1}{4}L{{I}^{2}}\]                                
  done clear
  D)
          zero
  done clear
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• question_answer25) The minimum wavelength of X-rays produced from an electron accelerated from V volt is:
  A)
  \[\frac{eV}{hc}\]                             
  done clear
  B)
         \[\frac{hc}{eV}\]                             
  done clear
  C)
  \[\frac{ch}{eV}\]                             
  done clear
  D)
         \[\frac{h}{V}\]
  done clear
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• question_answer26) The electric potential in a conducting hollow sphere will be:
  A)
   zero
  done clear
  B)
   proportional to distance from centre
  done clear
  C)
   inversely proportional to distance of centre
  done clear
  D)
   inversely proportional to square distance from centre
  done clear
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• question_answer27) Two identical satellite are revolving round the earth at a height of R and 7R from surface of earth. Then which of the following statement is wrong (R is radius of earth)?
  A)
   The ratio of total energy of both will 4
  done clear
  B)
   The ratio of K.E. of both will be 4
  done clear
  C)
   The ratio of P.E. of both will be 4
  done clear
  D)
   The ratio of total energy of both will 4 and ratio of K.E. and P.E. will be2
  done clear
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• question_answer28) The relation between flowing current \[\text{(i)}\] and deflection \[(\theta )\] obtained in moving coil galvanometer will be:
  A)
  \[i\propto \tan \,\theta \]                           
  done clear
  B)
  \[i\propto \,\theta \]                    
  done clear
  C)
  \[i\propto \,{{\theta }^{2}}\]                     
  done clear
  D)
         \[i\propto \,\sqrt{\theta }\]
  done clear
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• question_answer29) Bending of light from the edges of object called:
  A)
   reflection          
  done clear
  B)
                                          diffraction         
  done clear
  C)
          refraction          
  done clear
  D)
          interference
  done clear
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• question_answer30) Amplification factor of a triode valve depends upon:
  A)
   temperature of cathode
  done clear
  B)
   plate voltage                    
  done clear
  C)
   grid voltage      
  done clear
  D)
   grid and plate voltage
  done clear
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• question_answer31) The torque acting on a current carrying loop placed in magnetic field does n depend upon:
  A)
   size of loop       
  done clear
  B)
          area of loop      
  done clear
  C)
          value of current
  done clear
  D)
          magnetic field
  done clear
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• question_answer32) For a monochromatic light, in minimum deviation, position of prism :
  A)
   angle of incidence is more than emergence angle
  done clear
  B)
   incidence angle is \[90{}^\circ \]
  done clear
  C)
   incidence angle is equal to emergence angle
  done clear
  D)
   incidence angle emergence angle and prism angle will be same
  done clear
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• question_answer33) Two rod of metal A and B are of same length has their resistance in the ratio 1:2. Which will suffer more loss in weight on inserting in water?
  A)
   Loss of weight be more for A
  done clear
  B)
   Loss of weight will be more for B
  done clear
  C)
   Loss of weight will be equal for both
  done clear
  D)
   Ratio of weight will be 1 : 2
  done clear
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• question_answer34) A glass slab of thickness 4 cm contains the same number of waves as 5 cm of water column- When both are transmersed by the same monochromatic light. If the refractive index of water is 4/3, what is that of glass:
  A)
   5/3                       
  done clear
  B)
          5/4                       
  done clear
  C)
   16/15                   
  done clear
  D)
          1/5
  done clear
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• question_answer35) When the torque acting on a rotating body is zero then what will remain constant?
  A)
   Force                   
  done clear
  B)
          Linear momentum        
  done clear
  C)
   Angular momentum     
  done clear
  D)
   All the above
  done clear
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• question_answer36) Work of a convex lens is:
  A)
   it converges light rays
  done clear
  B)
   it diverges light rays
  done clear
  C)
   always form real images
  done clear
  D)
   always form virtual images
  done clear
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• question_answer37) If a horizontal wire is dropped in east-west direction then:
  A)
   no e.m.f. will be induced
  done clear
  B)
   no current will be induced
  done clear
  C)
   induced current will flow from west to east
  done clear
  D)
   induced current will flow from east to west
  done clear
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• question_answer38) When a capillary of radius R is dipped into water, water rises upto height H and the mass of this liquid is M. Now if capillary of radius 2R is dipped into water. What will be the mass of the water rises in capillary:
  A)
   M                          
  done clear
  B)
          2M                       
  done clear
  C)
  \[\frac{M}{2}\]                                 
  done clear
  D)
          4M
  done clear
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• question_answer39) If Youngs double slit experiment  is performed in water, then fringe width will:
  A)
   infinite                
  done clear
  B)
          decrease           
  done clear
  C)
          increase             
  done clear
  D)
          remain unchanged
  done clear
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• question_answer40) If the half life time of a radioactive material is 3 hours. What will be its quantity after 9 hours?
  A)
   1/9                       
  done clear
  B)
          1/27                     
  done clear
  C)
   1/6                       
  done clear
  D)
          1/8
  done clear
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• question_answer41) Both \[\text{-}\]rays and X-rays are electromagnetic waves, then the main difference between, these is :
  A)
   X-rays are produced from nucleus while \[\text{-}\]rays are speciality of atom
  done clear
  B)
   X-rays are speciality of atom and \[\text{-}\]rays are produced from nucleus
  done clear
  C)
   Frequency of \[\text{-}\]rays is less than X-rays
  done clear
  D)
   velocity of \[\text{-}\]rays is more than X-rays
  done clear
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• question_answer42) Velocity of light in diamond, glass and water will be in tine following order:
  A)
   diamond < water < glass
  done clear
  B)
   water < glass < diamond
  done clear
  C)
   diamond > water > glass
  done clear
  D)
   diamond > glass > water
  done clear
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• question_answer43) In Youngs experiment, when the distance between slit and screen is doubled, while separation of slit is halved, then fringe width will be:
  A)
   4 times                               
  done clear
  B)
   1/4                       
  done clear
  C)
   doubled             
  done clear
  D)
          unchanged
  done clear
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• question_answer44) The process in which solid converts directly in vapour on heating is known as:
  A)
   vaporization     
  done clear
  B)
          sublimation      
  done clear
  C)
   boiling                 
  done clear
  D)
          condensation
  done clear
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• question_answer45) Two long thin parallel wires are placed at a distance (r) from each other carrying equal current \[I\] in opposite direction. The magnitude of force per unit length which is exerted by each wire on the other is :
  A)
  \[\frac{{{\mu }_{0}}{{I}^{2}}}{r}\]                             
  done clear
  B)
         \[\frac{{{\mu }_{0}}{{I}^{2}}}{2\pi r}\]                    
  done clear
  C)
  \[\frac{{{\mu }_{0}}I}{2\pi r}\]                   
  done clear
  D)
         \[\frac{{{\mu }_{0}}^{2}I}{2\pi {{r}^{2}}}\]
  done clear
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• question_answer46) At a definite temperature for a given wavelength the ratio of emissive power of all objects and that of perfectly black body at the same temperature is called as :
  A)
   relative emissivity
  done clear
  B)
   emissivity
  done clear
  C)
   absorption coefficient
  done clear
  D)
   reflection coefficient
  done clear
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• question_answer47) On bombarding neutrons on\[_{\text{92}}{{\text{U}}^{\text{235}}}\] the number of emitted neutrons will be:
  A)
   1                            
  done clear
  B)
          2                            
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
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• question_answer48) Frequency of A.C. in India is:
  A)
   50 Hz                   
  done clear
  B)
          60 Hz                   
  done clear
  C)
   220 Hz
  done clear
  D)
          110 Hz
  done clear
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• question_answer49) If we carry a body of 5 kg in space, then its mass will be:
  A)
   5 kg                      
  done clear
  B)
          10kg                     
  done clear
  C)
   2 kg                      
  done clear
  D)
          30kg
  done clear
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• question_answer50) Magnetic suspectibility of a diamagnetic substance is:
  A)
   small and positive
  done clear
  B)
         small and negative                        
  done clear
  C)
   high and negative          
  done clear
  D)
   high and positive
  done clear
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• question_answer51) Refractive index of glass is 3/2 and that of water is 4/3. If speed of light in glass is 2x 108 m/s, then speed of light in water is:
  A)
   \[2.67\,\times {{10}^{8}}\,m/s\]
  done clear
  B)
   \[2.67\,\times {{10}^{-2}}\,m/s\]
  done clear
  C)
          \[2\times {{10}^{8}}\,m/s\]       
  done clear
  D)
   \[2.25\,\times {{10}^{8}}\,m/s\]
  done clear
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• question_answer52) Temperature which is same in centigrade and Fahrenheit scales of temperature is:
  A)
  \[-40{}^\circ \]                  
  done clear
  B)
         \[40{}^\circ \]                   
  done clear
  C)
  \[36.6{}^\circ \]                                
  done clear
  D)
         \[3.8{}^\circ \]
  done clear
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• question_answer53) The value of R in the following circuit diagram will be:
  A)
   5\[\Omega \]                   
  done clear
  B)
          6\[\Omega \]  
  done clear
  C)
   8\[\Omega \]                   
  done clear
  D)
          24\[\Omega \]
  done clear
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• question_answer54) Focal length of a convergent lens is R. Now if lens is dipped into water of refractive index 1.33, then focal length of lens will be (refractive index of material of lens = 1.5):
  A)
   R                           
  done clear
  B)
          2R                         
  done clear
  C)
   4R                         
  done clear
  D)
          R/2
  done clear
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• question_answer55) If the refractive index of a material for red, yellow and voilet colours are 1.42, 1.50, 1.62. Then dispersive power of the material will be:
  A)
   0.4                        
  done clear
  B)
          1.33      
  done clear
  C)
   0.2                        
  done clear
  D)
          0.1
  done clear
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• question_answer56) A magnet is brought near a (i) rapidly (ii) slowly, the induced e.m.f. will be :
  A)
   more in case\[\text{I}\]
  done clear
  B)
   more in case \[\text{II}\]
  done clear
  C)
   equal in both cases
  done clear
  D)
   more or less depending upon radius of coil
  done clear
  View Answer play_arrow

• question_answer57) A watch shows time as 3 : 25, when this time is seen in a mirror, the time will be.
  A)
   8: 35                     
  done clear
  B)
          9 : 35                    
  done clear
  C)
   7 : 35                    
  done clear
  D)
          8 : 25
  done clear
  View Answer play_arrow

• question_answer58) Two sources of light are called coherent if their:
  A)
   wavelength is equal
  done clear
  B)
   amplitudes are equal
  done clear
  C)
   wavelengths are equal and phase difference is constant
  done clear
  D)
   amplitude and wavelengths are equal
  done clear
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• question_answer59) When a ray of light enters into water from air, then its wavelength :
  A)
   decreases         
  done clear
  B)
          increases           
  done clear
  C)
          remains same  
  done clear
  D)
          none of these
  done clear
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• question_answer60) In a A.C. circuit V = 100 sin t volt and \[I=100\,\sin \,\left( 100t+\frac{\pi }{3} \right)\]A,  then average power loss will be:
  A)
   \[{{10}^{4}}W\]                               
  done clear
  B)
          100 W  
  done clear
  C)
          2.5 kW
  done clear
  D)
          10 W
  done clear
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• question_answer61) Frequency range of audible waves is:
  A)
   20 to 20,000 Hz
  done clear
  B)
          \[{{10}^{6}}\] to \[{{10}^{8}}\] Hz  
  done clear
  C)
          10-20 Hz             
  done clear
  D)
          none of these
  done clear
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• question_answer62) In a D.C. motor the current in the armature is maximum at the:
  A)
   time of start     
  done clear
  B)
                          time of off        
  done clear
  C)
          position of maximum speed  
  done clear
  D)
   all the times
  done clear
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• question_answer63) Choose the wrong statement for L-C-R series circuit:
  A)
   potential difference across resistance and the applied e.m.f. are always in same phase
  done clear
  B)
   the phase difference between e.m.f. and   potential   difference   across inductive coil is \[90{}^\circ \]
  done clear
  C)
   the phase difference between potential difference across capacitor and potential difference across inductance is \[\text{/2}\]
  done clear
  D)
   the phase difference between potential difference across capacitor and potential difference across resistance is\[\text{/2}\]
  done clear
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• question_answer64) Wave front means:
  A)
   all the particles on same wave front are in same phase of vibration
  done clear
  B)
   all the particles on same wave front are in opposite phase of vibration
  done clear
  C)
   some particles are in same phase and some arc in opposite phase
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer65) In Youngs experiment, slits are separated by 1 mm and screen is 1 m away from slits. If 10th bright fringe is at a distance of 5 mm from central then wavelengths of light used will be:
  A)
   \[5000\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  B)
          \[6000\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  C)
   \[7000\overset{\text{o}}{\mathop{\text{A}}}\,\]           
  done clear
  D)
          \[8000\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer66) A compound lens is formed by combining one convex and one concave lens of same focal length 20 cm. This compound lens is used to see a 5 cm high object situated at a distance of 20 cm. Image will be:
  A)
   enlarged and reverse
  done clear
  B)
   small and erect
  done clear
  C)
   errect and same size of object
  done clear
  D)
   reverse and same size of object
  done clear
  View Answer play_arrow

• question_answer67) Dispersive power of a prism depends upon:
  A)
   material of prism
  done clear
  B)
         angle of prism 
  done clear
  C)
          shape of prism 
  done clear
  D)
          incidence angle
  done clear
  View Answer play_arrow

• question_answer68) Resistance of a chock coil is:
  A)
   high                     
  done clear
  B)
          low                       
  done clear
  C)
   definite              
  done clear
  D)
          infinite
  done clear
  View Answer play_arrow

• question_answer69) Fresnels biprism experiment is performed in water in place of air then fringe width will:
  A)
   increase             
  done clear
  B)
          decrease           
  done clear
  C)
          remains same  
  done clear
  D)
          cant say
  done clear
  View Answer play_arrow

• question_answer70) \[\text{-}\]rays can be differentiate from X-rays on the following basis:
  A)
   on the basis of production
  done clear
  B)
   on basis of penetrating power
  done clear
  C)
   on basis of reflection
  done clear
  D)
   on basis of diffraction
  done clear
  View Answer play_arrow

• question_answer71) On a white screen red light from one source and green light from another source is falling. Colour of the screen will be:
  A)
   black                    
  done clear
  B)
          yellow
  done clear
  C)
          green                  
  done clear
  D)
          blue
  done clear
  View Answer play_arrow

• question_answer72) Soap film appears coloured because:
  A)
   dispersion of light
  done clear
  B)
   interference of light
  done clear
  C)
   refraction of light
  done clear
  D)
   total internal refraction
  done clear
  View Answer play_arrow

• question_answer73) The ratio of average potential energy and total energy of a body will be :
  A)
   1 : 2                      
  done clear
  B)
          2 : 1                      
  done clear
  C)
   3 : 2                      
  done clear
  D)
          2 : 3
  done clear
  View Answer play_arrow

• question_answer74) Two lenses of power + 2.5 D and - 3.75 D are placed in contact to form compound lens. What will be the focal length of compound lens?
  A)
   - 20 cm                
  done clear
  B)
          - 40 cm
  done clear
  C)
          - 60 cm                
  done clear
  D)
          - 80 cm
  done clear
  View Answer play_arrow

• question_answer75) If the distance between point light source and screen is doubled then intensity of light will be:
  A)
   \[\text{4I}\]                     
  done clear
  B)
          \[\text{2I}\]                     
  done clear
  C)
   \[\text{I/2}\]                   
  done clear
  D)
          \[\text{I/4}\]
  done clear
  View Answer play_arrow

• question_answer76) Two lenses in contact form an achromatic lens, their focal lengths are in the ratio 2:3 Their dispersive powers must be in the ratio of:
  A)
   1 : 3                      
  done clear
  B)
          2 : 3                      
  done clear
  C)
   3 : 2                      
  done clear
  D)
          3 : 1
  done clear
  View Answer play_arrow

• question_answer77) Thermionic current \[\text{(I)}\]depends on temperature (T) as :
  A)
   \[{{T}^{2}}\]                     
  done clear
  B)
          \[{{T}^{1/2}}\]                                 
  done clear
  C)
   \[{{T}^{3/2}}\]                                 
  done clear
  D)
          \[{{T}^{4}}\]
  done clear
  View Answer play_arrow

• question_answer78) A pair of isotoncs is :
  A)
   \[_{\text{6}}{{\text{C}}^{\text{14}}}\,\text{and}{{\,}_{\text{6}}}{{\text{C}}^{\text{12}}}\]         
  done clear
  B)
          \[_{\text{6}}{{\text{C}}^{\text{15}}}\,\text{and}{{\,}_{7}}{{\text{C}}^{\text{14}}}\]
  done clear
  C)
   \[_{7}{{\text{C}}^{\text{13}}}\,\text{and}{{\,}_{6}}{{\text{C}}^{\text{12}}}\]     
  done clear
  D)
          \[_{7}{{\text{C}}^{\text{13}}}\,\text{and}{{\,}_{6}}{{\text{C}}^{\text{14}}}\]
  done clear
  View Answer play_arrow

• question_answer79) Property of converging lens is:
  A)
   converges light rays on a point
  done clear
  B)
   diverges light rays
  done clear
  C)
   no lens is converging
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer80) Direction of current in diode valve is:
  A)
   cathode to plate
  done clear
  B)
   plate to cathode
  done clear
  C)
   current is same for both sides
  done clear
  D)
   current is zero in diode
  done clear
  View Answer play_arrow

• question_answer81) Diode is used as a:
  A)
   oscillator            
  done clear
  B)
          amplifier            
  done clear
  C)
          rectifier              
  done clear
  D)
          current amplifier
  done clear
  View Answer play_arrow

• question_answer82) Process of converting A.C. into D.C. is:
  A)
   purification                       
  done clear
  B)
   amplification    
  done clear
  C)
   rectification      
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer83) A mica sheet of thickness t and refractive index \[\mu \] is introduced in the path of one or two in terferring beams in Youngs double slit experiment. The central fringe will be displaced by:
  A)
  \[\frac{(\mu -1)t}{dD}\]               
  done clear
  B)
         \[0\]                     
  done clear
  C)
  \[\infty \]                           
  done clear
  D)
         \[\frac{(\mu -1)tD}{d}\]
  done clear
  View Answer play_arrow

• question_answer84) Which of the following is anti particle of electron?
  A)
  \[_{0}{{n}^{1}}\]              
  done clear
  B)
         \[_{1}{{H}^{1}}\]                             
  done clear
  C)
   Positron             
  done clear
  D)
          Neutron
  done clear
  View Answer play_arrow

• question_answer85) If mass and radius of a hollow sphere are M and R respectively, then its moment of inertia, w.r.t. its diameter is :
  A)
   \[\frac{2}{5}M{{R}^{2}}\]
  done clear
  B)
                                         \[\frac{2}{3}M{{R}^{2}}\]
  done clear
  C)
   \[\frac{1}{2}M{{R}^{2}}\]            
  done clear
  D)
                         \[M{{R}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer86) The time of flight and range of a projectile are 10 second and 500 m respectively. The maximum height obtained by it will be:
  A)
   125 m                  
  done clear
  B)
          50 m                    
  done clear
  C)
   100 m                  
  done clear
  D)
          150 m
  done clear
  View Answer play_arrow

• question_answer87) Which of the following is true for triode valve?
  A)
  \[\,\text{=}\,\text{r}{{  }_{\text{P}}}\text{ }\!\!\times\!\!\text{ }\,{{\text{g}}_{\text{m}}}\]   
  done clear
  B)
  \[\,\text{r}{{  }_{\text{P}}}=\,{{\text{g}}_{\text{m}}}\times \mu \]      
  done clear
  C)
  \[\,\,{{\text{g}}_{\text{m}}}=\mu \times {{r}_{p}}\]       
  done clear
  D)
  \[\,\,{{\text{g}}_{\text{m}}}=\frac{\mu }{{{r}_{p}}}\]
  done clear
  View Answer play_arrow

• question_answer88) The heat given to an ideal gas in isothermal conditions is used to:
  A)
   increase temperature
  done clear
  B)
   do external work
  done clear
  C)
   increase temperature and in doing external work
  done clear
  D)
   increase internal energy
  done clear
  View Answer play_arrow

• question_answer89) A current of 20\[\text{A}\] is flowing through a wire for 30 sec. The charge transferred through wire is:
  A)
   \[2\times {{10}^{-4}}\] coulomb
  done clear
  B)
         \[4\times {{10}^{-4}}\] coulomb
  done clear
  C)
                          \[6\times {{10}^{-4}}\] coulomb
  done clear
  D)
         \[8\times {{10}^{-4}}\] coulomb
  done clear
  View Answer play_arrow

• question_answer90) lionization energy of hydrogen atom is 13.6 \[\text{eV}\text{.}\,\text{If}\,\text{h=6}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-34}\,}}\text{Joule-sec,}\]then value of R (Rydberg constant) will be:
  A)
   \[{{10}^{10}}\] per metre  
  done clear
  B)
          \[{{10}^{7}}\] per metre  
  done clear
  C)
                          \[{{10}^{4}}\] per metre   
  done clear
  D)
          \[{{10}^{-7}}\] per metre
  done clear
  View Answer play_arrow

• question_answer91) Internal energy of an ideal gas depends upon:
  A)
   temperature, pressure and volume
  done clear
  B)
   only on temperature and pressure
  done clear
  C)
   only on pressure and volume
  done clear
  D)
   only on temperature
  done clear
  View Answer play_arrow

• question_answer92) The decreasing order of band gap energy is:
  A)
   insulator > semiconductor > conductor
  done clear
  B)
   insulator > conductor > semi conductor
  done clear
  C)
   conductor < semiconductor < insulator
  done clear
  D)
   semiconductor < conductor  < insulator
  done clear
  View Answer play_arrow

• question_answer93) A magnet is brought near a coil (i) rapidly (ii) slowly then induced e.m.f will be:
  A)
   more in case (i)
  done clear
  B)
   less in case (i)
  done clear
  C)
   equal in both cases
  done clear
  D)
   depends on radius of ring
  done clear
  View Answer play_arrow

• question_answer94) if \[h=6.6\times {{10}^{-34}}J-\sec ,\] then energy of quanta of frequency \[{{10}^{15}}Hz\] will be:
  A)
   \[6.6\,\times {{10}^{-19}}J\]     
  done clear
  B)
                          \[6.6\,\times {{10}^{-12}}J\]      
  done clear
  C)
          \[6.6\,\times {{10}^{-14}}J\]       
  done clear
  D)
                          \[6.6\,\times {{10}^{-4}}J\]
  done clear
  View Answer play_arrow

• question_answer95) Imagine a meteroid revolving around a big star in a circular orbit of radius R with time period T. If the force of attraction between star and meteroid is proportional to\[{{R}^{-5/2}},\] then T2 will be proportional to:
  A)
  \[{{R}^{3}}\]                      
  done clear
  B)
         \[{{R}^{7/2}}\]                  
  done clear
  C)
  \[{{R}^{5/2}}\]                  
  done clear
  D)
         \[{{R}^{3/2}}\]
  done clear
  View Answer play_arrow

• question_answer96) Electric energy is transferred to distant place at high voltage because :
  A)
   it will stop stealing of wires
  done clear
  B)
   it stops power decay
  done clear
  C)
   generator produce energy of high voltage
  done clear
  D)
   electric energy is transferred quickly on high voltage
  done clear
  View Answer play_arrow

• question_answer97) Which of the following reaction can be   completed by low pressure:
  A)
   \[{{N}_{2}}+{{O}_{2}}2NO\]
  done clear
  B)
                          \[{{H}_{2}}+{{I}_{2}}2HI\]
  done clear
  C)
                          \[PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}}\]
  done clear
  D)
                          \[{{H}_{2}}+3{{H}_{2}}2N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer98) The oxidation number of As in \[{{H}_{3}}As{{O}_{4}}\]
  A)
   \[-1\]                                   
  done clear
  B)
                          \[-3\]
  done clear
  C)
                          \[+3\]                                  
  done clear
  D)
                          \[+5\]
  done clear
  View Answer play_arrow

• question_answer99) Rectified sprit is:
  A)
   95.5% pure alcohol + 4.5% water
  done clear
  B)
                          Anhydrous ethyl alcohol
  done clear
  C)
                          Methylated sprit
  done clear
  D)
                          Wood sprit
  done clear
  View Answer play_arrow

• question_answer100) Aldehyde and ketone can be differentiated by:
  A)
   \[NaHS{{O}_{3}}\]    
  done clear
  B)
                          Fehling solution
  done clear
  C)
                          \[HgC{{l}_{2}}\]         
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer101) Which of the following has not hydrogen bond?
  A)
   Phenol       
  done clear
  B)
                          Liquid ammonia
  done clear
  C)
                          Liquid \[HCl\]
  done clear
  D)
                          Water
  done clear
  View Answer play_arrow

• question_answer102) Ethyl amine on reaction with \[HN{{O}_{2}}\]gives:
  A)
   benzene       
  done clear
  B)
                          ethyl alcohol
  done clear
  C)
                          nitrobenzene   
  done clear
  D)
                          ammonia
  done clear
  View Answer play_arrow

• question_answer103) The eletronic configuration of the element having maximum electronegativity:
  A)
   \[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}}\]
  done clear
  B)
                          \[1{{s}^{2}},2{{s}^{2}}2{{p}^{5}}\]
  done clear
  C)
                          \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}\]
  done clear
  D)
                          \[1{{s}^{2}},2{{s}^{2}}\text{ }2{{p}^{6}},3{{s}^{2}}\text{ }3{{p}^{6}}\text{ }3{{d}^{1}},4{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer104) The minimum \[O-O\] bond length is in:
  A)
   \[{{O}_{2}}^{-2}\]                          
  done clear
  B)
                          \[{{O}_{2}}^{+}\]
  done clear
  C)
                          \[{{O}_{2}}^{-}\]                             
  done clear
  D)
                          \[{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer105) Aniline on bromination gives:
  A)
   p-bromo aniline
  done clear
  B)
                          o, p-nitrophenol
  done clear
  C)
                          o-bromo aniline
  done clear
  D)
                          2, 4, 6-tribromo aniline
  done clear
  View Answer play_arrow

• question_answer106) \[_{19}{{K}^{40}},{{\,}_{18}}A{{r}^{40}},{{\,}_{20}}C{{a}^{40}}\]are:
  A)
   isotones       
  done clear
  B)
                          isobars
  done clear
  C)
                          isodiapheres  
  done clear
  D)
                          isotopes
  done clear
  View Answer play_arrow

• question_answer107) Methyl phenyl ether on reaction with \[HN{{O}_{3}}\] and \[{{H}_{2}}S{{O}_{4}}\] results:
  A)
   
  done clear
  B)
                         and       
  done clear
  C)
                          
  done clear
  D)
                          
  done clear
  View Answer play_arrow

• question_answer108) In an element as the distance of an orbit from the nucleus increases the energy of the orbit:
  A)
   increases      
  done clear
  B)
                          decreases
  done clear
  C)
                          does not changes
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer109) Strongest base is:
  A)
   \[C{{H}_{3}}C{{H}_{2}}N{{H}_{2}}\]
  done clear
  B)
                          \[C{{H}_{3}}N{{H}_{2}}\]
  done clear
  C)
                          \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\]     
  done clear
  D)
                          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer110) Paramagnetic ion is:
  A)
   \[{{[NiC{{l}_{4}}]}^{-2}}\]
  done clear
  B)
                          \[{{[Ni{{(CN)}_{4}}]}^{-2}}\]
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer111) In which of the following molecule is electrovalent?
  A)
   \[KCl\]        
  done clear
  B)
                          \[N{{H}_{4}}Cl\]
  done clear
  C)
                          \[PC{{l}_{5}}\]     
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer112) Strongest acid is:
  A)
   \[ClC{{H}_{2}}COOH\]
  done clear
  B)
                          \[C{{H}_{3}}COOH\]
  done clear
  C)
                          \[C{{l}_{2}}CHCOOH\]
  done clear
  D)
                          \[CC{{l}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer113) In which of the following react with ethene and formed propane?
  A)
   methane      
  done clear
  B)
                          propene
  done clear
  C)
                          ethane        
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer114) Lithopone used in:
  A)
   yellow paint   
  done clear
  B)
                          fertilization
  done clear
  C)
                          white paint     
  done clear
  D)
                          red paint
  done clear
  View Answer play_arrow

• question_answer115) Propanol on heating with hydrazine and \[KOH\] gives:
  A)
   propanal      
  done clear
  B)
                          propene
  done clear
  C)
                          propane       
  done clear
  D)
                          ethanol
  done clear
  View Answer play_arrow

• question_answer116) Phenol on reaction with dilute \[HN{{O}_{3}}\] gives:
  A)
   o, p-nitrophenol
  done clear
  B)
                          o-nitrophenol
  done clear
  C)
                          p-nitrophenol  
  done clear
  D)
                          picric acid
  done clear
  View Answer play_arrow

• question_answer117) The compound showing metamerism is:
  A)
   diethyl ether   
  done clear
  B)
                          ethyl chloride
  done clear
  C)
                          1-butyne       
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer118) According to Bronsted the acid is:
  A)
   protophilic
  done clear
  B)
                               proton donor
  done clear
  C)
                          proton acceptor
  done clear
  D)
                          amphoteric
  done clear
  View Answer play_arrow

• question_answer119) Out of the following the Avogadro number is:
  A)
   \[6.023\times {{10}^{23}}\]
  done clear
  B)
                          \[6.023\times {{10}^{22}}\]
  done clear
  C)
                          \[6.032\times {{10}^{22~}}\]
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer120) The correct order of the basicity of amines is (JR= ethyl)
  A)
   \[N{{H}_{3}}>RN{{H}_{2}}>{{R}_{2}}NH>{{R}_{3}}N\]
  done clear
  B)
                          \[RN{{H}_{2}}>N{{H}_{3}}>{{R}_{2}}NH>{{R}_{3}}N\]
  done clear
  C)
                          \[{{R}_{2}}NH>{{R}_{3}}N>RN{{H}_{2}}>N{{H}_{3}}\]
  done clear
  D)
                          \[{{R}_{2}}NH>RN{{H}_{2}}>{{R}_{3}}N>N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer121) The benzene triozonide obtained from which compound ozonisation?
  A)
   Benzene
  done clear
  B)
                          Amine
  done clear
  C)
                          Both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer122) Correct order of bond angle is:
  A)
   \[s{{p}^{3}}>sp<s{{p}^{3}}\]
  done clear
  B)
                          \[sp<s{{p}^{1}}<s{{p}^{3}}\]
  done clear
  C)
                          \[s{{p}^{3}}<s{{p}^{2}}<sp\]
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer123) The oxidation number of S in Marshal acid:
  A)
   \[+6\]                                  
  done clear
  B)
                          \[+5\] 
  done clear
  C)
                          \[-7\]                                   
  done clear
  D)
                          \[+8\]
  done clear
  View Answer play_arrow

• question_answer124) If the pH value of solution is 8 then solution will be:
  A)
   acidic                                   
  done clear
  B)
                          alkaline
  done clear
  C)
                          neutral                               
  done clear
  D)
                          amphoteric
  done clear
  View Answer play_arrow

• question_answer125) Plaster of Paris is:
  A)
   \[CuS{{O}_{4}}.\frac{1}{2}{{H}_{2}}O\]
  done clear
  B)
                          \[CaOC{{l}_{2}}\]
  done clear
  C)
                          \[CaS{{O}_{4}}.\,2{{H}_{2}}O\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer126) The non-linear molecule is:
  A)
   \[{{C}_{2}}{{H}_{2}}\]                   
  done clear
  B)
                          \[C{{O}_{2}}\]
  done clear
  C)
                          \[HgC{{l}_{2}}\]                               
  done clear
  D)
                          \[S{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer127) Methyl amine on reaction with \[HN{{O}_{2}}\] gives:
  A)
   \[C{{H}_{2}}-O-C{{H}_{3}}\]
  done clear
  B)
                          \[C{{H}_{3}}-O-N=0\]
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer128) Electrophilic in sulphonation is:
  A)
   \[S{{O}_{3}}\]                                  
  done clear
  B)
                          \[S{{O}_{2}}\]
  done clear
  C)
                          \[{{H}_{2}}O\]                                 
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer129) Paramagnetic compound is:
  A)
   \[TiC{{l}_{4}}\]                 
  done clear
  B)
                          \[CrC{{l}_{3}}\]
  done clear
  C)
                          \[MnC{{l}_{2}}\]                             
  done clear
  D)
                          \[SeC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer130) Compound having co-ordinate bond is:
  A)
   \[N{{H}_{3}}\]                 
  done clear
  B)
                          \[C{{H}_{4}}\]
  done clear
  C)
                          \[C{{O}_{2}}\]                  
  done clear
  D)
                           \[SO_{3}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer131) Two electrons cannot have the same values for all the four quantum number this law is:
  A)
   (n +1) rule
  done clear
  B)
                          Aufbau rule
  done clear
  C)
                          Hunds rule
  done clear
  D)
                          Paulis exclusion principle
  done clear
  View Answer play_arrow

• question_answer132) Modem periodic table is based on:
  A)
   atomic weight 
  done clear
  B)
                          atomic number
  done clear
  C)
                          atomic volume
  done clear
  D)
                          atomic energy
  done clear
  View Answer play_arrow

• question_answer133) The acetyl chloride formed when \[PC{{l}_{3}}\]react with:
  A)
   \[C{{H}_{3}}COOH\] 
  done clear
  B)
                          \[C{{H}_{3}}CHO\]
  done clear
  C)
                          \[HCOOH\] 
  done clear
  D)
                          \[C{{H}_{3}}OH\]
  done clear
  View Answer play_arrow

• question_answer134) Which compound will give iodoform test?
  A)
   \[C{{H}_{3}}OH\] 
  done clear
  B)
                          \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  C)
                          \[C{{H}_{3}}COOH\]   
  done clear
  D)
                          Formalin
  done clear
  View Answer play_arrow

• question_answer135) The compound having maximum boiling point is:
  A)
   ethyl alcohol   
  done clear
  B)
                          \[{{({{C}_{2}}{{H}_{5}})}_{3}}N\]
  done clear
  C)
                          \[{{({{C}_{2}}{{H}_{5}})}_{2}}O\]
  done clear
  D)
                          ethyl chloride
  done clear
  View Answer play_arrow

• question_answer136) Which of the following molecule is paramagnetic?
  A)
   \[{{O}_{2}}^{-}\]                             
  done clear
  B)
                          \[C{{N}^{-}}\]
  done clear
  C)
                          \[CO\]                                 
  done clear
  D)
                          \[N{{O}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer137) Lewis base is:
  A)
   \[S{{O}_{3}}\]                  
  done clear
  B)
                          \[C{{O}_{2}}\]
  done clear
  C)
                          \[S{{O}_{2}}\]                                  
  done clear
  D)
                          \[ROH\]
  done clear
  View Answer play_arrow

• question_answer138) \[C{{H}_{3}}COOH\]form dimer because of:
  A)
   intramolecular hydrogen bond
  done clear
  B)
                          covalent bond
  done clear
  C)
                          intermolecular hydrogen bond
  done clear
  D)
                          hydrogen bond
  done clear
  View Answer play_arrow

• question_answer139) Ion having maximum unpaired electrons?
  A)
   \[C{{r}^{+2}}\]                 
  done clear
  B)
                          \[F{{e}^{+2}}\]
  done clear
  C)
                          \[M{{n}^{+4}}\]                              
  done clear
  D)
                          \[M{{n}^{+2}}\]
  done clear
  View Answer play_arrow

• question_answer140) Isopropyl alcohol on oxidation or passing its vapours on hot copper gives:
  A)
   \[C{{H}_{3}}CHO\]
  done clear
  B)
                          \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  C)
                          \[C{{H}_{2}}=C{{H}_{2}}\]
  done clear
  D)
                          \[C{{H}_{3}}-O-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer141) Isotope have:
  A)
   different mass number
  done clear
  B)
                          same physical properties
  done clear
  C)
                          same chemical properties
  done clear
  D)
                          same neutron number
  done clear
  View Answer play_arrow

• question_answer142) Compound with acidic nature is:
  A)
   \[Pb(OH)Cl\]
  done clear
  B)
                          \[BaCl\]
  done clear
  C)
                         \[N{{a}_{2}}S{{O}_{4}}\]    
  done clear
  D)
                          \[N{{a}_{2}}HP{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer143) The gas evolved in fermentation is:
  A)
   \[C{{H}_{4}}\]                  
  done clear
  B)
                          \[{{O}_{2}}\]
  done clear
  C)
                          \[C{{O}_{2}}\]                                  
  done clear
  D)
                          \[{{N}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer144) Cyclohexene on reaction with bromine yields:
  A)
                    
  done clear
  B)
                          
  done clear
  C)
                                     
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer145) The main function of roasting is:
  A)
   oxidation
  done clear
  B)
                          smelting
  done clear
  C)
                          reduction
  done clear
  D)
                          to remove vapoumess substance
  done clear
  View Answer play_arrow

• question_answer146) Minimum \[C-C\] bond length is in:
  A)
   \[{{C}_{2}}{{H}_{6}}\]                   
  done clear
  B)
                          \[{{C}_{2}}{{H}_{2}}\]
  done clear
  C)
                          \[{{C}_{6}}{{H}_{6}}\]                   
  done clear
  D)
                          \[{{C}_{2}}{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer147) Which element does not has neutron in its nucleus?
  A)
   \[Li\]                    
  done clear
  B)
                          \[H\] 
  done clear
  C)
                          \[O\]                                   
  done clear
  D)
                          \[C\]
  done clear
  View Answer play_arrow

• question_answer148) The strongest base is:
  A)
   \[Zn{{(OH)}_{2}}\]
  done clear
  B)
                          \[Al{{(OH)}_{3}}\]
  done clear
  C)
                          \[Ba{{(OH)}_{2}}\]
  done clear
  D)
                          \[Fe{{(OH)}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer149) Proton is discovered by:
  A)
   Rutherford    
  done clear
  B)
                          Pauling
  done clear
  C)
                          Thomson      
  done clear
  D)
                          Dalton                
  done clear
  View Answer play_arrow

• question_answer150) When nitro toluene react with \[HN{{O}_{3}}+{{H}_{2}}S{{O}_{4}}\] gives:
  A)
   picric acid
  done clear
  B)
                          1, 4-dinitro benzene
  done clear
  C)
                          trinitro toluene
  done clear
  D)
                          1, 3-dinitro benzene
  done clear
  View Answer play_arrow

• question_answer151) Carbonyl chloride is:
  A)
   phosgene      
  done clear
  B)
                          chlorobenzene
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer152) Which molecule have not zero dipole moment?
  A)
   \[PC{{l}_{5}}\]                 
  done clear
  B)
                          \[{{C}_{6}}{{H}_{6}}\]
  done clear
  C)
                          \[CC{{l}_{4}}\]                 
  done clear
  D)
                          \[{{H}_{2}}O\]  
  done clear
  View Answer play_arrow

• question_answer153) Which compound does not give Cannizzaro reaction?
  A)
   Acetaldehyde  
  done clear
  B)
                          Formaldehyde          
  done clear
  C)
                          Benzaldehyde 
  done clear
  D)
                          \[CC{{l}_{3}}CHO~\]     
  done clear
  View Answer play_arrow

• question_answer154) The reaction of ethylene bromide with zinc yields:
  A)
   alkene                                
  done clear
  B)
                          alkyne
  done clear
  C)
                          alkane
  done clear
  D)
                                                          all of these
  done clear
  View Answer play_arrow

• question_answer155) Absolute alcohol is represented as:
  A)
   \[{{C}_{2}}{{H}_{5}}OH+water+petrol\]
  done clear
  B)
                          \[95%\text{ }{{C}_{2}}{{H}_{5}}OH\text{ +}5%\text{ }{{H}_{2}}O\]
  done clear
  C)
                          \[95%\text{ }{{C}_{2}}{{H}_{5}}OH+5%\text{ }C{{H}_{3}}OH\]
  done clear
  D)
                          100% pure alcohol
  done clear
  View Answer play_arrow

• question_answer156) The litharz is represented by:
  A)
   \[PbO\]         
  done clear
  B)
                          \[P{{b}_{3}}{{O}_{4}}\]
  done clear
  C)
                          \[PbCr{{O}_{4}}\]
  done clear
  D)
                          \[Pb{{(OH)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer157) , product A is:                                                         
  A)
   chloretone
  done clear
  B)
                          o-hydroxy benzaldehyde
  done clear
  C)
                          salicyldehyde
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer158) Compound having maximum covalent character is:
  A)
   \[CaC{{l}_{2}}\]               
  done clear
  B)
                                          \[KI\] 
  done clear
  C)
                          \[BeB{{r}_{2}}\]                              
  done clear
  D)
                          \[NaF\]
  done clear
  View Answer play_arrow

• question_answer159) The appropiate indicator used in the titration of strong acid and weak base is:
  A)
   phenolphthalene
  done clear
  B)
                          phenol red
  done clear
  C)
                          methyl orange 
  done clear
  D)
                          methyl red
  done clear
  View Answer play_arrow

• question_answer160) The compound  obtained on the hydrolysis of the product formed by acetaldehyde and Grignard reagent is:
  A)
   
  done clear
  B)
                          \[{{(C{{H}_{3}})}_{3}}C-OH\]
  done clear
  C)
                          \[C{{H}_{3}}-OH\]
  done clear
  D)
                          \[C{{H}_{3}}-O-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer161) a particle is:
  A)
   \[_{0}{{n}^{1}}\]            
  done clear
  B)
                          \[_{2}H{{e}^{4}}\]
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer162) It   is   evident  from   Rutherfords experiments that:
  A)
   a-particles move with high velocity
  done clear
  B)
                          most of the part of atom is hollow
  done clear
  C)
                          a-particles are positively charged
  done clear
  D)
                          a-particles are heavier than electron
  done clear
  View Answer play_arrow

• question_answer163) Calcium carbide react with \[{{H}_{2}}O\] gives:
  A)
   ethane        
  done clear
  B)
                          \[CH\equiv CH\]
  done clear
  C)
                          \[C{{H}_{2}}=C{{H}_{2}}\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer164) \[Acetylene\xrightarrow{NaN{{H}_{2}}}A\xrightarrow{Iodoform}\] \[B\xrightarrow{{{H}_{2}}O/H{{g}^{2+}}}Z\]is:
  A)
   \[C{{H}_{3}}COOH\]
  done clear
  B)
                          \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  C)
                          \[HCOOH\] 
  done clear
  D)
                          \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  View Answer play_arrow

• question_answer165) From the following molecules or ions which acts as Lewis acid and Lewis base:
  A)
   \[{{H}_{2}}O\]          
  done clear
  B)
                          \[S{{O}_{2}}^{-2}\]
  done clear
  C)
                          \[SO_{4}^{-2}\]        
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer166) The hydrogen bond is not present in:
  A)
   liquid \[N{{H}_{3}}\]  
  done clear
  B)
                          phenol
  done clear
  C)
                          liquid \[HCl\]  
  done clear
  D)
                          water
  done clear
  View Answer play_arrow

• question_answer167) Elements which shows variable valencies are:
  A)
   s-block element
  done clear
  B)
                          d-block element
  done clear
  C)
                          p-block element
  done clear
  D)
                          radioactive element
  done clear
  View Answer play_arrow

• question_answer168) The compound having weakest bond angle is:
  A)
   \[Be{{F}_{2}}\]                                
  done clear
  B)
                          \[N{{H}_{3}}\]
  done clear
  C)
                          \[{{H}_{2}}O\]                 
  done clear
  D)
                          \[C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer169) From the following compounds the soluble compound in water is:
  A)
   acetone        
  done clear
  B)
                          acetaldehyde
  done clear
  C)
                          formaldehyde  
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer170) Bond angle in \[s{{p}^{2}}\]hybridisation is:
  A)
   \[{{109}^{o}}45\]                            
  done clear
  B)
                          \[{{180}^{o}}\]
  done clear
  C)
                          \[{{90}^{o}}\]                                   
  done clear
  D)
                          \[{{120}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer171) Oxidative reagent is:
  A)
   proton donor  
  done clear
  B)
                          electron donor
  done clear
  C)
                          proton accepter
  done clear
  D)
                          electron accepter
  done clear
  View Answer play_arrow

• question_answer172) Which is the correct order of bond length from the following?
  A)
   \[C\equiv C<C-C<C\equiv C\]
  done clear
  B)
                          \[C-C<C=C<C\equiv C\]
  done clear
  C)
                          \[C\equiv C<C=C<C-C\]
  done clear
  D)
                          \[C=C<C\equiv C<C-C\]
  done clear
  View Answer play_arrow

• question_answer173) The process of fermentation is:
  A)
   reversible      
  done clear
  B)
                          isothermic
  done clear
  C)
                          exothermic    
  done clear
  D)
                          endofhermic
  done clear
  View Answer play_arrow

• question_answer174) \[C{{H}_{3}}-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}-\underset{OH}{\mathop{\underset{|}{\mathop{\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,}}\,}}\,-C{{H}_{3}}\] IUPAC name is:
  A)
   4-methyl-2, 4-pentane di-ol
  done clear
  B)
                          2-methyl 2, 4-pentane di-ol
  done clear
  C)
                          both above
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer175) The gas evolved in the fermentation process:
  A)
   \[{{N}_{2}}\]                    
  done clear
  B)
                          \[{{O}_{2}}\]
  done clear
  C)
                          \[S\]                    
  done clear
  D)
                          \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer176) Green colour obtained in the Bunsens flame test is due to:
  A)
   \[C{{u}^{2+}}\]                                
  done clear
  B)
                          \[{{K}^{+}}\]
  done clear
  C)
                          \[N{{a}^{+}}\]                                  
  done clear
  D)
                          \[L{{i}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer177)  product A is:
  A)
   aniline
  done clear
  B)
                          benzaldehyde
  done clear
  C)
                          nitrobenzene
  done clear
  D)
                          anilium chloride
  done clear
  View Answer play_arrow

• question_answer178) The ionization energy of \[{{N}_{2}}\] is greater than \[{{O}_{2}}\] the reason is:
  A)
   half filled p-orbital
  done clear
  B)
                          penetration effect
  done clear
  C)
                          more nucleus attraction
  done clear
  D)
                          all of the above
  done clear
  View Answer play_arrow

• question_answer179) Ionic compounds have not the property:
  A)
   high boiling point and melting point
  done clear
  B)
                          soluble in polar solvents
  done clear
  C)
                          rotation in direction
  done clear
  D)
                          hard and brittle nature
  done clear
  View Answer play_arrow

• question_answer180) The ratio of a bond n bond in benzene is:
  A)
   \[4\]                                    
  done clear
  B)
                          \[6\]   
  done clear
  C)
                          \[2\]                                    
  done clear
  D)
                          \[8\]
  done clear
  View Answer play_arrow

• question_answer181) The percentage amount of \[{{N}_{3}}\] in urea is:
  A)
   \[46.66%\]       
  done clear
  B)
                          \[40%\]
  done clear
  C)
                          \[23.23%\]        
  done clear
  D)
                          \[50%\]
  done clear
  View Answer play_arrow

• question_answer182) At N.T.P. how much \[{{H}_{2}}S{{O}_{4}}\]is required to neutralize \[5g\]of ammonia?
  A)
   \[98.0g\]                            
  done clear
  B)
                          \[21.97g\]
  done clear
  C)
                          \[12.25g\]         
  done clear
  D)
                          \[10.94g\]
  done clear
  View Answer play_arrow

• question_answer183)  According to Bronsteds theory the base is:
  A)
   \[N{{H}_{4}}^{+}\]        
  done clear
  B)
                          \[C{{H}_{3}}COOH\]
  done clear
  C)
                          \[C{{l}^{-}}\]      
  done clear
  D)
                          \[{{H}_{3}}{{O}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer184) Which one is the Lewis acid?
  A)
   \[{{H}_{2}}O\]           
  done clear
  B)
                          \[AlC{{l}_{3}}\]     
  done clear
  C)
                          \[RN{{H}_{2}}\]        
  done clear
  D)
                          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer185) Effect of catalyst is:
  A)
   increase the rate of reaction
  done clear
  B)
                          increase the quantity of product
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these         
  done clear
  View Answer play_arrow

• question_answer186) Isomer of chloropropane is:
  A)
  \[1\]                                     
  done clear
  B)
                         \[2\]
  done clear
  C)
                         \[3\]                                     
  done clear
  D)
                         \[4\]
  done clear
  View Answer play_arrow

• question_answer187) Main ore of lead is:
  A)
   galena  
  done clear
  B)
                          mica
  done clear
  C)
                          bauxite                               
  done clear
  D)
                          rin stone
  done clear
  View Answer play_arrow

• question_answer188) \[C{{H}_{3}}COOH+PC{{l}_{3}}\xrightarrow{distillation}A\] product A is :                                 
  A)
   \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
                                  
  done clear
  C)
                          \[C{{H}_{3}}COOCl\]
  done clear
  D)
                          \[C{{H}_{3}}COCl\]
  done clear
  View Answer play_arrow

• question_answer189) Colourless ion is:
  A)
   \[C{{u}^{+3}}\]                                
  done clear
  B)
                          \[F{{e}^{+3}}\] 
  done clear
  C)
                          \[C{{u}^{+}}\]                                  
  done clear
  D)
                          \[C{{u}^{+2}}\]
  done clear
  View Answer play_arrow

• question_answer190) The pH value of \[0.01M\text{ }NaOH\]will be:
  A)
   \[12\]                                  
  done clear
  B)
                          \[14\]
  done clear
  C)
                          \[13\]                                  
  done clear
  D)
                          \[10\]                   
  done clear
  View Answer play_arrow

• question_answer191) \[A+{{I}_{2}}\xrightarrow{{}}\]iodine solution becomes colourless, A compound is:
  A)
   chloroform
  done clear
  B)
                          ethelene                                   
  done clear
  C)
                          ethene                                      
  done clear
  D)
                          carbon tetra chloride                     
  done clear
  View Answer play_arrow

• question_answer192) \[C{{H}_{3}}-C{{H}_{2}}-C{{H}_{3}}+HBr\xrightarrow{{}}A\], product A is:                                                
  A)
   \[C{{H}_{3}}-CHB{{r}_{2}}-C{{H}_{3}}\]
  done clear
  B)
                          \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br\]                     
  done clear
  C)
                            \[C{{H}_{3}}-CHBr-C{{H}_{3}}\]
  done clear
  D)
                          \[C{{H}_{2}}Br-C{{H}_{2}}-C{{H}_{2}}Br\]
  done clear
  View Answer play_arrow

• question_answer193) Which pair of the atomic numbers is not in the same group?
  A)
   \[11,19\]                            
  done clear
  B)
                          \[5,13\]                              
  done clear
  C)
                          \[4,12\]                              
  done clear
  D)
                          \[6,16\]
  done clear
  View Answer play_arrow

• question_answer194) Lime stone is:
  A)
   \[CaC{{O}_{3}}\]      
  done clear
  B)
                          \[CaO\]
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer195) Linear molecule is:
  A)
   \[C{{O}_{2}}\]                                  
  done clear
  B)
                          \[S{{O}_{2}}\]  
  done clear
  C)
                          \[{{H}_{2}}O\]                                 
  done clear
  D)
                          \[C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer196) \[PC{{l}_{5}}\] is used in synthesis of:
  A)
   \[C{{H}_{3}}COCl\]    
  done clear
  B)
                          diethyl ether
  done clear
  C)
                          ethyl alcohol   
  done clear
  D)
                          ace
  done clear
  View Answer play_arrow

• question_answer197) Dental formula of Rabbit is:
  A)
  \[\left( \frac{2}{1},\frac{0}{0},\frac{3}{2},\frac{3}{3} \right)\times 2=28\]
  done clear
  B)
  \[\left( \frac{1}{1},\frac{0}{0},\frac{2}{2},\frac{3}{3} \right)\times 2=24\]
  done clear
  C)
  \[\left( \frac{2}{2},\frac{0}{0},\frac{3}{3} \right)\times 2=20\]
  done clear
  D)
   0
  done clear
  View Answer play_arrow

• question_answer198) Number of limbs found in class Insecta is:
  A)
   numerous                         
  done clear
  B)
   1 pair                   
  done clear
  C)
   3 pairs                 
  done clear
  D)
          6 pairs
  done clear
  View Answer play_arrow

• question_answer199) Specific character of Rodentia is the:
  A)
   presence of claw on toes
  done clear
  B)
   presence of hoof on limbs
  done clear
  C)
   presence of long root less canines
  done clear
  D)
   presence of long root less incisors
  done clear
  View Answer play_arrow

• question_answer200) In cell cycle replication of DNA occurs in:
  A)
   interphase        
  done clear
  B)
   \[{{G}_{2}}-\]phase                      
  done clear
  C)
   \[{{G}_{1}}-\]phase      
  done clear
  D)
          S-phase
  done clear
  View Answer play_arrow

• question_answer201) Sternum of Rabbit is formed of:
  A)
   fibrous cartilage
  done clear
  B)
   elastic (flexible) cartilage
  done clear
  C)
   hyaline cartilage
  done clear
  D)
   calcified cartilage
  done clear
  View Answer play_arrow

• question_answer202) Activity shown by Amoeba if kept in salt solution will be:
  A)
   chemotaxis       
  done clear
  B)
          simple reaction               
  done clear
  C)
   phototaxis                        
  done clear
  D)
   migmotaxis
  done clear
  View Answer play_arrow

• question_answer203) Main reason for the higher metabolic rate in insect is :
  A)
   tubular heart
  done clear
  B)
   open circulatory system
  done clear
  C)
   omnivorous food habit
  done clear
  D)
   direct respiration
  done clear
  View Answer play_arrow

• question_answer204) Quantitatively smallest egg is found in:
  A)
   Blue whale        
  done clear
  B)
          Shark fish                          
  done clear
  C)
   Elephant                            
  done clear
  D)
   Whale
  done clear
  View Answer play_arrow

• question_answer205) Which of the following is the example of structural protein?
  A)
   Myosin                               
  done clear
  B)
   Collagen                             
  done clear
  C)
   Keratin               
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer206) Rabbit is a:
  A)
   coward animal
  done clear
  B)
   burrowing, colonial, nocturnal animal
  done clear
  C)
   burrowing, colonial, nocturnal and herbivorous animal
  done clear
  D)
   colonial, nocturnal and herbivorous animal
  done clear
  View Answer play_arrow

• question_answer207) Find out the odd one:
  A)
   Whale  
  done clear
  B)
   Sea horse          
  done clear
  C)
          Chimera             
  done clear
  D)
          Scoliodon
  done clear
  View Answer play_arrow

• question_answer208) Pearl oyster is the member of phylum :
  A)
   Arthropoda                      
  done clear
  B)
   Mollusca            
  done clear
  C)
          Echinodermata
  done clear
  D)
          Annelida
  done clear
  View Answer play_arrow

• question_answer209) Main medium for the digestive activity in Amoeba is:
  A)
   only neutral                      
  done clear
  B)
   only alkaline     
  done clear
  C)
   only addic          
  done clear
  D)
          acidic than alkaline
  done clear
  View Answer play_arrow

• question_answer210) In general fate of blastopore is :
  A)
   condyl                                 
  done clear
  B)
   ear lobe             
  done clear
  C)
          mouth                                
  done clear
  D)
   anus
  done clear
  View Answer play_arrow

• question_answer211) Number of cranial nerves found in Rabbit:
  A)
   10 pairs                               
  done clear
  B)
   15 pairs               
  done clear
  C)
          12 pairs                               
  done clear
  D)
   37 pairs
  done clear
  View Answer play_arrow

• question_answer212) Infectious stage of Plasmodium is:
  A)
   ookinete                            
  done clear
  B)
   sporozoite        
  done clear
  C)
          oocyst                                 
  done clear
  D)
   gametocyts
  done clear
  View Answer play_arrow

• question_answer213) Smallest unit of classification is :
  A)
   family                                  
  done clear
  B)
   genus                  
  done clear
  C)
   species               
  done clear
  D)
          phylum
  done clear
  View Answer play_arrow

• question_answer214) Phylum, which has all members of marine habitat is :
  A)
   Mollusca                            
  done clear
  B)
   Echinodermata               
  done clear
  C)
   Annelida                            
  done clear
  D)
   Arthropoda
  done clear
  View Answer play_arrow

• question_answer215) In Rabbit sweat glands, in dense form are, present on:
  A)
   eyelids                                
  done clear
  B)
   whole skin
  done clear
  C)
   lips       
  done clear
  D)
          basal part of eyelids
  done clear
  View Answer play_arrow

• question_answer216) Jointed legs located on abdominal region is the specific character of class :
  A)
   Crustacea                          
  done clear
  B)
   Arachnida          
  done clear
  C)
          Insecta               
  done clear
  D)
          Diplopoda
  done clear
  View Answer play_arrow

• question_answer217) Enzyme present in the saliva of Cockroach is:
  A)
   pepsin                                                
  done clear
  B)
   lipase                  
  done clear
  C)
   amylase             
  done clear
  D)
          lysozyme
  done clear
  View Answer play_arrow

• question_answer218) On catalyzing, hetero-fatty acids gives out:
  A)
  \[\beta -\]keto acetyl CoA
  done clear
  B)
   L-methyl metonyl CoA
  done clear
  C)
   succinyl CoA
  done clear
  D)
   D methyl metonyl CoA
  done clear
  View Answer play_arrow

• question_answer219) In which sub-stage of meiosis synapsis occurs?
  A)
   Diplotene                          
  done clear
  B)
   Leptotcne         
  done clear
  C)
   Pachytene        
  done clear
  D)
          Zygotene
  done clear
  View Answer play_arrow

• question_answer220) Water boat Cockroach is referred for :
  A)
   Blatta germanica
  done clear
  B)
   Periplanta americana
  done clear
  C)
   Blatta orientalis
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer221) Flight muscles in birds are connected with :
  A)
   corocoid                             
  done clear
  B)
   scapula               
  done clear
  C)
          clavicle                
  done clear
  D)
          keel of sternum
  done clear
  View Answer play_arrow

• question_answer222) Chemically keratin is:
  A)
   mucoprotein   
  done clear
  B)
   pheroprotein                   
  done clear
  C)
   lipoprotein        
  done clear
  D)
          scleroprotein
  done clear
  View Answer play_arrow

• question_answer223) m-RNA is connected with:
  A)
   mitochondria
  done clear
  B)
   endoplasmic reticulum
  done clear
  C)
   ribosome
  done clear
  D)
   nucleus
  done clear
  View Answer play_arrow

• question_answer224) Importance of cleavage is in the:
  A)
   formation of presumptive infant
  done clear
  B)
   division of fertilized egg
  done clear
  C)
   formation of multicellular structure
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer225) Type of cleavage in ova is mainly dependent on:
  A)
   distribution of yolk
  done clear
  B)
   origin of spindles in mitosis
  done clear
  C)
   amount of yolk
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer226) Nematoblast of Hydra are:
  A)
   sensory
  done clear
  B)
   complicated
  done clear
  C)
   with nematocyst apparatus
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer227) On the basis of feeding. Hydra is:
  A)
   holozoic                             
  done clear
  B)
   herbivorous                     
  done clear
  C)
   carnivorous      
  done clear
  D)
          omnivorous
  done clear
  View Answer play_arrow

• question_answer228) Last recipient of electron transport system (ETS) is:
  A)
   \[NA{{D}^{+}}\]                              
  done clear
  B)
   \[NAD{{P}^{+}}\]                  
  done clear
  C)
   FAD                      
  done clear
  D)
          Ubiquinone (CoQ)
  done clear
  View Answer play_arrow

• question_answer229) Pseudocoelom is found in :
  A)
   Taeitin                                
  done clear
  B)
   Ascaris
  done clear
  C)
          Hydra                  
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer230) State in which sudden rise in the number of leucocytes (WBC) of mammalian blood occurs is called as:
  A)
   leucoderma                      
  done clear
  B)
   orocucoidia       
  done clear
  C)
   leukemia           
  done clear
  D)
          polycythikia
  done clear
  View Answer play_arrow

• question_answer231) Reptile with four chambered heart is:
  A)
   Snake                                  
  done clear
  B)
   Crocodile           
  done clear
  C)
          Lizard                                  
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer232) Olfactory lobes of Rabbit are:
  A)
   solid lobes                         
  done clear
  B)
   partially solid lobes
  done clear
  C)
   hollow lobes
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer233) In Earthworm circular muscles are highly developed in:           
  A)
   gizzard                                
  done clear
  B)
   gastric region   
  done clear
  C)
          pharyngeal region         
  done clear
  D)
   oesophagus region
  done clear
  View Answer play_arrow

• question_answer234) State in which oxygen is supplied to tissues in insufficient amount, is known as:
  A)
   pleurasy                             
  done clear
  B)
   amphionia         
  done clear
  C)
   hyperoxia                          
  done clear
  D)
   hypoxia
  done clear
  View Answer play_arrow

• question_answer235) Oxyntic cells are found in:
  A)
   pyloric part of stomach
  done clear
  B)
   oesophageal part of stomach
  done clear
  C)
   fundic part of stomach
  done clear
  D)
   cardiac part of stomach
  done clear
  View Answer play_arrow

• question_answer236) Specific character of amniota is the :
  A)
   presence of foetal membranes
  done clear
  B)
   birth of immature foetus
  done clear
  C)
   presence of cleodoic eggs
  done clear
  D)
   viviparity
  done clear
  View Answer play_arrow

• question_answer237) Difference between birds and mammals is:
  A)
   modification of forelimb into wings
  done clear
  B)
   modification of forelimb
  done clear
  C)
   modification of forelimb into residuals
  done clear
  D)
   all of above modifications
  done clear
  View Answer play_arrow

• question_answer238) Body temperature of Rabbit is:
  A)
  \[96{}^\circ F\]                                 
  done clear
  B)
  \[99.8{}^\circ F\]                             
  done clear
  C)
  \[100{}^\circ F\]               
  done clear
  D)
          \[103.1{}^\circ F\]
  done clear
  View Answer play_arrow

• question_answer239) In Krebs cycle formation of:
  A)
   34 ATP takes place
  done clear
  B)
   38 ATP takes place
  done clear
  C)
   15 ATP from each acetyl CoA takes place
  done clear
  D)
   12 ATP from each acetyl CoA takes place
  done clear
  View Answer play_arrow

• question_answer240) Formation of gonads in Hydra is accelerated by:
  A)
   cyclic AMP                         
  done clear
  B)
   excess of \[C{{O}_{2}}\]                     
  done clear
  C)
   lack of \[{{O}_{2}}\]      
  done clear
  D)
   analine
  done clear
  View Answer play_arrow

• question_answer241) Which of the structure in Hydra is functionally same as that of pseudopodia in A mocha?
  A)
   Mouth                                
  done clear
  B)
   Tentacles           
  done clear
  C)
   Ectoderm          
  done clear
  D)
          Nematoblast
  done clear
  View Answer play_arrow

• question_answer242) Mitosis and meiosis both divisions occurs in:
  A)
   kidney                                
  done clear
  B)
   somatic cells     
  done clear
  C)
          testis                   
  done clear
  D)
          germinal cells
  done clear
  View Answer play_arrow

• question_answer243) Non-poisonous snake is:
  A)
   Azgar                                   
  done clear
  B)
   marine snake                   
  done clear
  C)
   Bungarus          
  done clear
  D)
          Viper
  done clear
  View Answer play_arrow

• question_answer244) Which of the protozoan is responsible for kala azar disease?
  A)
   Trypanasoma                  
  done clear
  B)
   Ginrdia               
  done clear
  C)
          Monocystis      
  done clear
  D)
          Leishrnania
  done clear
  View Answer play_arrow

• question_answer245) Central dogma is:
  A)
   DNA\[\to \] mRNA\[\to \] protein
  done clear
  B)
   DNA \[\to \] RNA \[\to \] protein
  done clear
  C)
   protein\[\to \]RNA\[\to \] DNA
  done clear
  D)
   RNA \[\to \] DNA \[\to \]protein
  done clear
  View Answer play_arrow

• question_answer246) Infectious stage of Ascaris for man is:
  A)
   adult                                    
  done clear
  B)
   shelled egg
  done clear
  C)
   second larval stage        
  done clear
  D)
   first larval stage
  done clear
  View Answer play_arrow

• question_answer247) Sound producing organ in birds is:  
  A)
   vocal fibres                       
  done clear
  B)
   larynx        
  done clear
  C)
   epiglotis             
  done clear
  D)
          syrinx
  done clear
  View Answer play_arrow

• question_answer248) Infective stage of Ascaris is :
  A)
   embryonated eggs
  done clear
  B)
   fertilized eggs
  done clear
  C)
   unfertilized eggs
  done clear
  D)
   all of above
  done clear
  View Answer play_arrow

• question_answer249) Double gradient theory was given by:
  A)
   Childe                                 
  done clear
  B)
   Herstedius
  done clear
  C)
   Rocks                                  
  done clear
  D)
   Hens Drish
  done clear
  View Answer play_arrow

• question_answer250) For which of the following physiological activity sodium ions play important role?
  A)
   Conduction of nervous impulse
  done clear
  B)
   Diffusion process
  done clear
  C)
   Osmosis process
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer251) Specific cells present in phylum Porifera are called :
  A)
   choanocytes                    
  done clear
  B)
   porocytes
  done clear
  C)
   epidermal cells
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer252) In which cell first reductional division occurs during sperm a to genesis?
  A)
   Primary spermatocytes
  done clear
  B)
   Secondary spermatocytes
  done clear
  C)
   Spermatids
  done clear
  D)
   Spermatogonia
  done clear
  View Answer play_arrow

• question_answer253) Which of the following is an essential amino acid?
  A)
   Tyrosine                             
  done clear
  B)
   Leucine
  done clear
  C)
   Alanine               
  done clear
  D)
          Glycine
  done clear
  View Answer play_arrow

• question_answer254) Rolling of the cells on their axis is called
  A)
   in vagination                    
  done clear
  B)
   divergence
  done clear
  C)
   convergence    
  done clear
  D)
          splitting
  done clear
  View Answer play_arrow

• question_answer255) Which of the following structure present in the mesogloea of Hydra?
  A)
   Non-fibrous structures
  done clear
  B)
   Acellular structures
  done clear
  C)
   Nerve plexus
  done clear
  D)
   Discoidals
  done clear
  View Answer play_arrow

• question_answer256) Function of corpora allata hormone is:
  A)
   to secrete gonadotropic hormone
  done clear
  B)
   the oviposition and oogenesis
  done clear
  C)
   to develop gonads
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer257) Endoparasite of Earthworm is:
  A)
   Euglena                              
  done clear
  B)
   Monocystis
  done clear
  C)
   Polystemella                    
  done clear
  D)
   Amoeba
  done clear
  View Answer play_arrow

• question_answer258) Heparin is:
  A)
   phosphoprotein             
  done clear
  B)
   glycoprotein
  done clear
  C)
   lipoprotein        
  done clear
  D)
          chromoprotein
  done clear
  View Answer play_arrow

• question_answer259) Example of hair Iess mammal is:
  A)
   Seal                      
  done clear
  B)
   Whale and Dolphin
  done clear
  C)
   Whale only
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer260) Metamorphosis is the specific character of:
  A)
   sub phylum Urochordata
  done clear
  B)
   class Thaliacea
  done clear
  C)
   class Larvacea
  done clear
  D)
   class Ascidiacea
  done clear
  View Answer play_arrow

• question_answer261) Limb less amphibian is :
  A)
   Pipa                                     
  done clear
  B)
   Siren
  done clear
  C)
   lcthyophis         
  done clear
  D)
          Proteus
  done clear
  View Answer play_arrow

• question_answer262) Place from where sperms penetrates and enters in the ova, is determined by :
  A)
   microvilli            
  done clear
  B)
          grey present
  done clear
  C)
   micropyle          
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer263) If a fresh water Amoeba is kept in distil water Petridis, work rate of contractile vacuole will:
  A)
   remain unaffected        
  done clear
  B)
   reduce
  done clear
  C)
   decline very fast
  done clear
  D)
          increase very fast
  done clear
  View Answer play_arrow

• question_answer264) Totipotent cells in Hydra is referred for:
  A)
   sensory cells    
  done clear
  B)
          nematoblast
  done clear
  C)
   germinal cells  
  done clear
  D)
          interstitial cells
  done clear
  View Answer play_arrow

• question_answer265) Total volume of air circulated in inspiration and expiration by full effort of Rabbit is;
  A)
   500 ml    
  done clear
  B)
                          1, 100 ml
  done clear
  C)
   3, 000 ml            
  done clear
  D)
          5, 00 ml
  done clear
  View Answer play_arrow

• question_answer266) True coelom appeared in phylum:
  A)
   Arthropoda                      
  done clear
  B)
   Mollusca
  done clear
  C)
   Porifera              
  done clear
  D)
          Annelida
  done clear
  View Answer play_arrow

• question_answer267) Presence of rhabditiform larva is me specific character of:
  A)
   Earthworm                       
  done clear
  B)
   Hydra
  done clear
  C)
   Ascaris                
  done clear
  D)
          Rabbit
  done clear
  View Answer play_arrow

• question_answer268) Largest source of enzyme arginase is:
  A)
   liver of Reptiles
  done clear
  B)
   liver of Telcost fishes
  done clear
  C)
   liver of Elasmobranch fishes
  done clear
  D)
   liver of Mammals
  done clear
  View Answer play_arrow

• question_answer269) Which of the following is viviparous?
  A)
   Scoliodon                          
  done clear
  B)
   Star fish
  done clear
  C)
   Mudpuppy       
  done clear
  D)
          Dipnoi
  done clear
  View Answer play_arrow

• question_answer270) Hardest part in animal body is :
  A)
   bone                   
  done clear
  B)
          hair
  done clear
  C)
   dentine              
  done clear
  D)
          enamel
  done clear
  View Answer play_arrow

• question_answer271) Head of Earthworm is located on the :
  A)
   sub-segment of first segment
  done clear
  B)
   first segment
  done clear
  C)
   second segment
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer272) Cell organelle responsible for digestion of internal and external particles is;
  A)
   auto lysosomo                
  done clear
  B)
   lysosome
  done clear
  C)
   residual body  
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer273) In which direction cristae of Rabbit ear helps in maintaining balance :
  A)
   circular position of longitudinal axis of semi circular canals
  done clear
  B)
   transverse position of longitudinal axis of semicircular canals
  done clear
  C)
   parallel to longitudinal axis of semicircular canals
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer274) In sperm centriole is located below the:
  A)
   nucleus                              
  done clear
  B)
   acrosome
  done clear
  C)
   head                    
  done clear
  D)
          alt of these
  done clear
  View Answer play_arrow

• question_answer275) DNA and RNA has similarity in :
  A)
   base pairs
  done clear
  B)
   Replication property
  done clear
  C)
   Heredity property
  done clear
  D)
   duplication method
  done clear
  View Answer play_arrow

• question_answer276) Sensory centre of hunger is located in :
  A)
   forebrain                           
  done clear
  B)
   mid brain
  done clear
  C)
   hind brain          
  done clear
  D)
          hypothalamus
  done clear
  View Answer play_arrow

• question_answer277) Main difference between the septal and pharyngeal nephridia is of:
  A)
   nephrostome                  
  done clear
  B)
   straight lobes
  done clear
  C)
   function             
  done clear
  D)
          reservoir
  done clear
  View Answer play_arrow

• question_answer278) Cockroach and Earthworm have similarity in:
  A)
   external and internal segmentation
  done clear
  B)
   external segmentation
  done clear
  C)
   internal segmentation
  done clear
  D)
   pseudo segmentation
  done clear
  View Answer play_arrow

• question_answer279) Structure of sperm of Ascaris is :
  A)
   amoeboid
  done clear
  B)
   tail less and spindle shaped
  done clear
  C)
   ovate
  done clear
  D)
   tail less and amoeboid
  done clear
  View Answer play_arrow

• question_answer280) Function of thyroxin hormone is :
  A)
   to grow                              
  done clear
  B)
   to develop
  done clear
  C)
   self immunization
  done clear
  D)
   to control metabolism
  done clear
  View Answer play_arrow

• question_answer281) Theory of organizer was given by:
  A)
   Spemann           
  done clear
  B)
          Leuwonhock
  done clear
  C)
   Ernst Von Baer
  done clear
  D)
          Wolf
  done clear
  View Answer play_arrow

• question_answer282) Centrum of mammalian vertebrae is :
  A)
   variocoelus       
  done clear
  B)
          procoelus
  done clear
  C)
   amphicoelus   
  done clear
  D)
          acoelus
  done clear
  View Answer play_arrow

• question_answer283) Which cells are responsible for secretion of peritrophic membrane in Cockroach?
  A)
   Glandular cells of salivary gland
  done clear
  B)
   Oesophageal part of stomach
  done clear
  C)
   Cells of internal layer of hindgut
  done clear
  D)
   Anterior cells of midgut            
  done clear
  View Answer play_arrow

• question_answer284) Reductional division in gametocytes of Plasmodium occurs in:
  A)
   nucleus of zygote
  done clear
  B)
   nucleus of oocyst
  done clear
  C)
   nucleus of ookinete
  done clear
  D)
   in all above stages
  done clear
  View Answer play_arrow

• question_answer285) Which fish is helpful in biotic control of malaria?
  A)
   Minnose            
  done clear
  B)
          Gambusia
  done clear
  C)
   Trout                   
  done clear
  D)
          All of these
  done clear
  View Answer play_arrow

• question_answer286) Coronary/thebasian valve is located at:
  A)
   Post canal          
  done clear
  B)
          right pre canal
  done clear
  C)
   left pre canal   
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer287) Deltoid process is the specific character of:
  A)
   humerus                            
  done clear
  B)
   tibia
  done clear
  C)
   radio-ulna         
  done clear
  D)
          femur
  done clear
  View Answer play_arrow

• question_answer288) Gastrutation means:
  A)
   organogenesis movement
  done clear
  B)
   disappearance of blastocoel
  done clear
  C)
   formation of archenteron
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer289) Important muscles in the respiratory system of Rabbit is:
  A)
   internal in tercostal muscles
  done clear
  B)
   external in tercostal muscles
  done clear
  C)
   diaphragm muscles
  done clear
  D)
   pectoralis major muscles
  done clear
  View Answer play_arrow

• question_answer290) Specific character of Amphibia is:
  A)
   heterothermic nature
  done clear
  B)
   presence of movable eyelids
  done clear
  C)
   being first vertebral animal
  done clear
  D)
   amphibious nature
  done clear
  View Answer play_arrow

• question_answer291) Function of porphyrin pigment in Earthworm is :
  A)
   coloration
  done clear
  B)
   excretion
  done clear
  C)
   secretion
  done clear
  D)
  to save the skin from the harmful effect of light
  done clear
  View Answer play_arrow

• question_answer292) The number of stamens present in Cruciferae family are:
  A)
   4                                            
  done clear
  B)
   7                            
  done clear
  C)
   2                            
  done clear
  D)
          6
  done clear
  View Answer play_arrow

• question_answer293) The phase of cell division hi which DNA synthesis take place is:
  A)
   interphase        
  done clear
  B)
          leptotene          
  done clear
  C)
          diplotene          
  done clear
  D)
          zygotene
  done clear
  View Answer play_arrow

• question_answer294) The cell wall of fungus is made up of:
  A)
   chitin and cellulose
  done clear
  B)
         protein               
  done clear
  C)
          lipid                      
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer295) Pesticide 2, 4 D is a:
  A)
   auxin hormone
  done clear
  B)
          enzyme              
  done clear
  C)
          vitamin               
  done clear
  D)
          plasmid
  done clear
  View Answer play_arrow

• question_answer296) Transpiration occurs maximum when:
  A)
   high humidity present in atmosphere
  done clear
  B)
   high water present in soil
  done clear
  C)
   dry environment with high temperature
  done clear
  D)
   wind is not blowing
  done clear
  View Answer play_arrow

• question_answer297) The unit of classification is:
  A)
   species                               
  done clear
  B)
   genera
  done clear
  C)
          both (a) and (b)
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer298) Drug quinine is used for:
  A)
   jaundice             
  done clear
  B)
          malaria
  done clear
  C)
          dysentry            
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer299) Which of the following receive last electron in electron transport system?
  A)
   cytochrome a and \[{{a}_{3}}\]
  done clear
  B)
   oxygen
  done clear
  C)
   cytochrome-c
  done clear
  D)
   ubiquinine
  done clear
  View Answer play_arrow

• question_answer300) Monadelphous condition is associated with:
  A)
   stamen               
  done clear
  B)
          epiacalyx           
  done clear
  C)
          corolla                 
  done clear
  D)
          gynoecium
  done clear
  View Answer play_arrow

• question_answer301) Atropa belladonna is the member of family:
  A)
   Liliaceae             
  done clear
  B)
          Solanaceae
  done clear
  C)
   Malvaceae        
  done clear
  D)
          Cucurbitaceae
  done clear
  View Answer play_arrow

• question_answer302) In pea yellow colour (\[\text{Y}\]) is dominant over green (\[y\]) and round (\[S\]) seed over wrinkled (\[s\]). If \[YySs\] seeds are formed in F1 by cross of \[\text{YYSS}\] and \[\text{yyss}\]. Then what will be the ratio of F2 if F1 plant is self-pollinated?
  A)
   9 yellow round: 3 yellow wrinkled : 3 green round : 1 green wrinkled.
  done clear
  B)
   13 yellow round: 3 green round.
  done clear
  C)
   9 yellow round: 3 green round.
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer303) Agrostology is the study of:
  A)
   grasses                               
  done clear
  B)
   plants of hilly area
  done clear
  C)
   epiphytic plants              
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer304) Process of eating and being eaten is a:
  A)
   food chain
  done clear
  B)
   biological process
  done clear
  C)
   producer-consumer relation
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer305) The genome of bacteria is known as:
  A)
   nucleolus                           
  done clear
  B)
   nucleoid
  done clear
  C)
   nucleus              
  done clear
  D)
          nucleotides
  done clear
  View Answer play_arrow

• question_answer306) \[{{Q}_{10}}\] is a:
  A)
   temperature quotient
  done clear
  B)
   respiration quotient
  done clear
  C)
   measure of perfection
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer307) Hydrogen bond present in water between:
  A)
   H-O-H                                 
  done clear
  B)
   H and H
  done clear
  C)
   O and O              
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer308) NADP means:
  A)
   nicotinamide adenine dinucleotide phosphate
  done clear
  B)
   nicotinamide dinucleotide
  done clear
  C)
   nicotinic acid
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer309) The reason for Bhopal gas tragedy was :
  A)
   carbon dioxide gas
  done clear
  B)
   oxygen gas
  done clear
  C)
   potassium thiocyanate
  done clear
  D)
   methyle isocynate (MIC)
  done clear
  View Answer play_arrow

• question_answer310) The RQ of organic acids will be:
  A)
   one                                      
  done clear
  B)
   more than one
  done clear
  C)
   less than one   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer311) The sterile part of moss capsule is known as:
  A)
   protonema                       
  done clear
  B)
   foot
  done clear
  C)
   columella           
  done clear
  D)
          prothallus
  done clear
  View Answer play_arrow

• question_answer312) Pedology is the study of:
  A)
   disease               
  done clear
  B)
          pollution
  done clear
  C)
   heredity             
  done clear
  D)
          soil
  done clear
  View Answer play_arrow

• question_answer313) Eugenics is related with:
  A)
   heredity
  done clear
  B)
   cytology
  done clear
  C)
   improvement in human beings
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer314) The sugar in ATP is:
  A)
   deoxy ribose   
  done clear
  B)
          ribose
  done clear
  C)
   glucose               
  done clear
  D)
          fructose
  done clear
  View Answer play_arrow

• question_answer315) ATP contains:
  A)
   adenine, ribose and three phosphate groups
  done clear
  B)
   adenine and phosphate
  done clear
  C)
   only ribose sugar
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer316) The vascular cryptogames are:
  A)
   bryophytes                       
  done clear
  B)
   pteridophytes
  done clear
  C)
   monocots          
  done clear
  D)
          angiospenns
  done clear
  View Answer play_arrow

• question_answer317) Match the following :      (A)                                                     (B)                                                          (A) Glycolysis                                     (a) Mitochondria (B) Krebs cycle                                  (b) \[{{F}_{1}}\] particle (C) Electron transport                    (c) cytoplasm system
  A)
   A (b), B (a), C (c)
  done clear
  B)
          A (c), B (a), C (b)
  done clear
  C)
          A (a), B (b) C (c)
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer318) Which of the following is growth inhibitor ?
  A)
   Abscissic acid  
  done clear
  B)
          Gibberellins
  done clear
  C)
   Auxins                
  done clear
  D)
          Ethylen
  done clear
  View Answer play_arrow

• question_answer319) Oxalis shows:
  A)
   nastic movement
  done clear
  B)
         tropic movement
  done clear
  C)
   turgor movement          
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer320) Calvin cycle is found in:
  A)
   chloroplast        
  done clear
  B)
          mitochondria
  done clear
  C)
   cytoplasm         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer321) Who crystallize the plant virus?
  A)
   W. M. Stanley  
  done clear
  B)
          Mendel
  done clear
  C)
   A. Jenner           
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer322) The three scientists who rediscovering the Mendels law were?
  A)
   Hugo de Vries, Carl Correns and Tschermak
  done clear
  B)
   de Vries, Correns, T. H. Morgan
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer323) Casparian strip is found in:
  A)
   vascular bundle
  done clear
  B)
   between stem and root
  done clear
  C)
   radial and inner wall of endodermis
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer324) Which of the following plant is used in the experiment of photosynthes is?
  A)
   Hydrilla               
  done clear
  B)
          Mango
  done clear
  C)
   Rose                    
  done clear
  D)
          Neem
  done clear
  View Answer play_arrow

• question_answer325) A membranous cell orgnnelle is:
  A)
   lysosome           
  done clear
  B)
          ribosome
  done clear
  C)
   mitochondria  
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer326) The main constituent of bacterial cell wall is:
  A)
   peptidoglycan  
  done clear
  B)
          cellulose
  done clear
  C)
   chitin                   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer327) Ulothrix belongs to class:
  A)
   Rodophyceae  
  done clear
  B)
          Chlorophyceae
  done clear
  C)
  blue-green algae
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer328) The percentage of \[C{{O}_{2}}\] in atmosphere is:
  A)
   30%                                      
  done clear
  B)
   0.3%
  done clear
  C)
   0.03%                  
  done clear
  D)
          3%
  done clear
  View Answer play_arrow

• question_answer329) Which of the following is an auxin?
  A)
   Indole acetic acid
  done clear
  B)
         Malic acid
  done clear
  C)
   Pyruvic acid      
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer330) Which part is edible in litchi?
  A)
   Pericarp             
  done clear
  B)
          Embryo
  done clear
  C)
   Aril                       
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer331) Which of the following is not the characteristic of gyninosperm?
  A)
   Triple fusion     
  done clear
  B)
          Absence of vessels
  done clear
  C)
   Both (a) and (b)
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer332) Which of the following is not represent an aquatic plant?
  A)
   Eichhornia                         
  done clear
  B)
   Wolffia
  done clear
  C)
   Nepenthes       
  done clear
  D)
          Vallisnaria
  done clear
  View Answer play_arrow

• question_answer333) Dominant phase in bryophytes is:
  A)
   gametophytic phase     
  done clear
  B)
   sporophytic phase
  done clear
  C)
   both (a) and (b)
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer334) Synapsis is found in:
  A)
   leptotene phase
  done clear
  B)
          zygotene phase
  done clear
  C)
   pachytene phase
  done clear
  D)
         diplotene phase
  done clear
  View Answer play_arrow

• question_answer335) Edible part of Cauliflower is:
  A)
   in florescence   
  done clear
  B)
          flower
  done clear
  C)
   leaf                      
  done clear
  D)
          stem
  done clear
  View Answer play_arrow

• question_answer336) The algae has seen green due to:
  A)
   bacterio-chlorophyll     
  done clear
  B)
   chlorophyll
  done clear
  C)
   carotene            
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer337) Cyclosis movement is also known as:
  A)
   autonomous movements
  done clear
  B)
   photonastic movements
  done clear
  C)
   movement of curvature
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer338) Pyoo is a type of:
  A)
   carotene                            
  done clear
  B)
   chlorophyll
  done clear
  C)
   phycobillin        
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer339) Sunken stomata is the characteristic of:
  A)
   halophytes       
  done clear
  B)
          xerophytes
  done clear
  C)
   mesophytes     
  done clear
  D)
          hydrophytes
  done clear
  View Answer play_arrow

• question_answer340) Lichens are the good example of:
  A)
   symbiotic relationship
  done clear
  B)
   parasitism
  done clear
  C)
   paredator and prey relationship
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer341) Svedbergs units ribosomes in prokaryotic and eukaryotic cell are :
  A)
   70S and 80S      
  done clear
  B)
   50S and 30S
  done clear
  C)
   60S and 100S   
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer342) The nucleic acid is absent in:
  A)
   nucleus                              
  done clear
  B)
   mitochondria
  done clear
  C)
   chloroplast        
  done clear
  D)
          peroxysomes
  done clear
  View Answer play_arrow

• question_answer343) Two different concentration solutions are separated by a semipermeable membrane which statement is correct?
  A)
   Solute will move towards solutions of higher concentration
  done clear
  B)
   Solvent will move towards solution of higher concentration
  done clear
  C)
   Both solute and solution will move towards higher concentration
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer344) Cork cambium is also known as:
  A)
   phelloderm      
  done clear
  B)
          phellam
  done clear
  C)
   phallogen          
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer345) Which of the following is not a peteridophyte ?
  A)
   Azolla                  
  done clear
  B)
          Lilium
  done clear
  C)
   Selaginella       
  done clear
  D)
          Lycopodium
  done clear
  View Answer play_arrow

• question_answer346) The pigment which is found in all algae:
  A)
   chlorophyll-a   
  done clear
  B)
          chlorophyll-b
  done clear
  C)
   carotenoid        
  done clear
  D)
          xanthophylls
  done clear
  View Answer play_arrow

• question_answer347) Who discovered the glyoxysome?
  A)
   Jenssen and Jenssen
  done clear
  B)
   Tolbert
  done clear
  C)
   Beevers
  done clear
  D)
   Purkinje
  done clear
  View Answer play_arrow

• question_answer348) In which plant stomata opens in night and closes in day?
  A)
   Succulent plants
  done clear
  B)
          Hydrophytes
  done clear
  C)
   Mesophytes   
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer349) In tree ecosystem, pyramid of numbers is:
  A)
   upright               
  done clear
  B)
          inverted
  done clear
  C)
   horizontal          
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer350) Which is present in cell wall of gram (+) and gram (-) bacteria?
  A)
   Murien               
  done clear
  B)
          Cellulose
  done clear
  C)
   Lipoprotein       
  done clear
  D)
          Only protein
  done clear
  View Answer play_arrow

• question_answer351) Floral formula \[Br\oplus \,\underset{+}{\overset{\uparrow }{\mathop{\text{o}}}}\,{{K}_{(5)}}{{\overset\frown{{{C}_{(5)}}A}}_{(5)}}\,{{G}_{\underline{(2)}}}\] is concerned with:
  A)
   Malvaceae        
  done clear
  B)
          Solanaceae
  done clear
  C)
   Papilionaceae  
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer352) Which is diploid in Riccia?
  A)
   Spore mother cell
  done clear
  B)
         Spore
  done clear
  C)
   Gamete             
  done clear
  D)
          None of the above
  done clear
  View Answer play_arrow

• question_answer353) Special structures between cell wall and plasma membrane of fungus are :
  A)
   plasmodesmata
  done clear
  B)
          lomasomes
  done clear
  C)
   plasmid              
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer354) Pigments which found in all algae are?
  A)
   Chlorophyll-a and \[\beta \]-carofrene
  done clear
  B)
   Chlorophyll-a and \[\alpha \]-carotene
  done clear
  C)
   Chlorophyll-b and \[\beta \]-carotene
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer355) World population day is celebrated on:
  A)
   1-March             
  done clear
  B)
          1-July
  done clear
  C)
   1-May                 
  done clear
  D)
          1-June
  done clear
  View Answer play_arrow

• question_answer356) The alkaloids obtained from opium are:
  A)
   morphine, codeine, thebaine, narceine
  done clear
  B)
   thebaine, caffeine, nicoteine
  done clear
  C)
   cytokinin, gibberelline, pyrethrum
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer357) Ratio of recessive to dominant characters will be in F2 of mono hybrid cross:
  A)
   9 : 3 : 3 : 1           
  done clear
  B)
          3 : 1
  done clear
  C)
   1 : 2 : 1                
  done clear
  D)
          1 : 1
  done clear
  View Answer play_arrow

• question_answer358) What will be the ratio of AaBb if AABB is crossed with aabb:
  A)
   8/16                                     
  done clear
  B)
   7/16
  done clear
  C)
   4/16                     
  done clear
  D)
          3/16
  done clear
  View Answer play_arrow

• question_answer359) Albugo is a:
  A)
   obligate parasite
  done clear
  B)
         facultative parasite
  done clear
  C)
   symbiotic
  done clear
  D)
   facultative saprophyte
  done clear
  View Answer play_arrow

• question_answer360) In pea yellow colour (\[\text{Y}\]) is dominant over green (\[y\]) and round (\[\text{S}\]) seed is dominant over wrinkled (\[s\]). If \[\text{YySs}\] forms in F1 by cross of YYSS and \[yyss\] what will be the ratio of F2 when F1 plant is self-pollinated?
  A)
   9 yellow round : 3 yellow wrinkled:3 green round : 1 green wrinkled
  done clear
  B)
   9 yellow round : 7 yellow green
  done clear
  C)
   15 yellow round : 1 wrinkled green
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer361) Who discovered the syngamy in angiosperm?
  A)
   Nawaschin        
  done clear
  B)
          Strassburger
  done clear
  C)
   Coulter and Chamberlin
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer362) Characters of pea like, pod colour, seed colour of flower etc. in Mendels experiment are known as:
  A)
   phenotype       
  done clear
  B)
          genotype
  done clear
  C)
   all of the above
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer363) If temperature is increased \[10{}^\circ C\] the rate of dark reaction of photosynthesis will become:
  A)
   double                
  done clear
  B)
          triple
  done clear
  C)
   four times         
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer364) The floral formula of Solanaceae family is:
  A)
   \[{{K}_{(5)\,}}{{\overset\frown{{{C}_{(5)}}\,A}}_{(5)}}\,{{G}_{(\underline{2})}}\]
  done clear
  B)
         \[{{P}_{3\,}}{{K}_{5}}\,{{C}_{5}}{{A}_{3}}\,{{G}_{(\underline{2})}}\]
  done clear
  C)
   \[{{P}_{3\,}}{{K}_{3}}\,{{A}_{3}}\,{{G}_{(3)}}\]  
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer365) Peroxysome is concerned with:
  A)
   photo respiration
  done clear
  B)
         transpiration
  done clear
  C)
   fungus                
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer366) What will happen if \[{{O}_{2}}\] cone increased in environment?
  A)
  Photosynthesis will increase in \[{{C}_{3}}\] plants
  done clear
  B)
   Photosynthesis will decrease in \[{{C}_{3}}\] plants
  done clear
  C)
   Photosynthesis will increase in \[{{C}_{4}}\] plants
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer367) In bicollateral vascular bundle the tissues found from out to inner side will be :
  A)
   outer phloem, outer cambium, xylem, inner cambium and inner phloem
  done clear
  B)
   outer phloem, inner phloem, outer cambium, inner cambium, xylem
  done clear
  C)
   all of the above
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer368) Which of the following is wrong statement?
  A)
   Water is not necessary for fertilization of Albugo
  done clear
  B)
   Water required in fertilization of Albugo
  done clear
  C)
   Heterogamous sexual reproduction is found
  done clear
  D)
   A sexual reproduction takes place by conidia
  done clear
  View Answer play_arrow

• question_answer369) The false statement for bryophyta is:
  A)
   they grow in shaddy places
  done clear
  B)
   vascular bundles are absent
  done clear
  C)
   gametophyte is not free
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer370) Dark reaction of photosynthesis takes place in:
  A)
   both light and dark
  done clear
  B)
         only in light
  done clear
  C)
   only in dark       
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer371) Biosphere is consist of:
  A)
   decomposers
  done clear
  B)
   heterotroph
  done clear
  C)
   autotroph and producers
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer372) Alkaloids obtained from Rauwolfia serpentine, are:
  A)
   serpentine, reserpine
  done clear
  B)
   atropine
  done clear
  C)
   cocaine               
  done clear
  D)
          none of the above
  done clear
  View Answer play_arrow

• question_answer373) Sporophyte of Riccia is a spherical structure which is known as?
  A)
   Sporangium      
  done clear
  B)
          Sporogonium
  done clear
  C)
   Capsule              
  done clear
  D)
          Sporotheca
  done clear
  View Answer play_arrow

• question_answer374) Bicollateral bundles means:
  A)
   they have phloem both on outer and inner side of xylem
  done clear
  B)
   they have xylem both on outer and inner side of phloem
  done clear
  C)
   both (a) and (b)
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer375) Mass flow hypothesis was given by:
  A)
   Munch                
  done clear
  B)
          Mendel
  done clear
  C)
   Schleiden          
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer376) The term ecosystem was coined by:
  A)
   Haeckel              
  done clear
  B)
          Tansley
  done clear
  C)
   R. Mishra           
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer377) Most of the morphine is used in the manufacturing of:
  A)
   morphine hydrochloride and morphine sulphate
  done clear
  B)
   opium tincture
  done clear
  C)
   opium powder
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer378) The trophic level of lion in forest is:
  A)
   \[{{T}_{3}}\]                     
  done clear
  B)
          \[{{T}_{4}}\]
  done clear
  C)
   \[{{T}_{2}}\]                     
  done clear
  D)
          \[{{T}_{1}}\]
  done clear
  View Answer play_arrow

• question_answer379) Which ecosystem is most stable?
  A)
   Mountain          
  done clear
  B)
          Desert
  done clear
  C)
   Sea                       
  done clear
  D)
          Forest
  done clear
  View Answer play_arrow

• question_answer380) Codon which initiate polypeptide chain is:
  A)
   AUG and GUG
  done clear
  B)
          UAA
  done clear
  C)
   UGA                    
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer381) Barr body in women is consists of:
  A)
   inactive paternal \[X\]chromosome
  done clear
  B)
   inactive maternal \[X\] chromosome
  done clear
  C)
   both a and b
  done clear
  D)
   Inactive maternal or paternal\[X\]chromosome
  done clear
  View Answer play_arrow

• question_answer382) Histone protein of nucleosome are:
  A)
   \[{{H}_{2}}A\] and \[{{H}_{2}}B\]
  done clear
  B)
   \[{{H}_{3}}\]
  done clear
  C)
   \[{{H}_{4}}\]                                     
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer383) Gossypium sp. (cotton) concerned with family:
  A)
   Malvaceae        
  done clear
  B)
          Solanaceae
  done clear
  C)
   Crucifcrae          
  done clear
  D)
          Cumpositae
  done clear
  View Answer play_arrow

• question_answer384) Ostwald and Tippo has divided plant kingdom in to:
  A)
   two sub kingdoms
  done clear
  B)
         three sub kingdoms
  done clear
  C)
   four sub kingdoms
  done clear
  D)
   five sub kingdoms
  done clear
  View Answer play_arrow

• question_answer385) Plants which best grow on acidic soil is called :
  A)
   halophyte         
  done clear
  B)
          mesophyte
  done clear
  C)
   oxalophyte       
  done clear
  D)
          xerophytes
  done clear
  View Answer play_arrow

• question_answer386) The gases harmful or historical monuments are:
  A)
   \[N{{O}_{2}}\] and \[S{{P}_{2}}\]
  done clear
  B)
   \[{{O}_{2}}\] and \[{{N}_{2}}\]
  done clear
  C)
   C and \[{{N}_{2}}\]        
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer387) Water logging is found in:
  A)
   cpmcrete           
  done clear
  B)
          clay soil
  done clear
  C)
   sandy soil          
  done clear
  D)
          alluvial soil
  done clear
  View Answer play_arrow

• question_answer388) Mesosomes arc analogous to:
  A)
   Chloroplast       
  done clear
  B)
          mitochondria
  done clear
  C)
   lysosome           
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer389) Who discovered the virus?
  A)
   Ivanowsky        
  done clear
  B)
          W. M. Stanley
  done clear
  C)
   K. C. Mehta      
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer390) Botanical name of Tea is:
  A)
   Camellia sinensis            
  done clear
  B)
   Coffea Arabica
  done clear
  C)
   Theobroma cacao         
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer391) Cystolith is made up of:
  A)
   calcium oxalate
  done clear
  B)
   calcium carbonate
  done clear
  C)
   magnesium carbonate
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow