Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

done Rajasthan - PMT Solved Paper-1998 Total Questions - 374

• question_answer1) Which nature of light is exposed by its diffraction and interference?
  A)
   Nature of light is electromagnetic
  done clear
  B)
   Wave nature of light
  done clear
  C)
   Quantum nature of light
  done clear
  D)
   Longitudinal nature of light
  done clear
  View Answer play_arrow

• question_answer2) What is unit of magnetic permeability?
  A)
  \[\frac{\text{weber}}{\text{amper-metre}}\]   
  done clear
  B)
         \[\frac{\text{weber}}{\text{metre}}\]  
  done clear
  C)
         \[\frac{\text{tesla}}{\text{ampere}}\]  
  done clear
  D)
         \[\frac{\text{tesla}}{\text{metre}}\]
  done clear
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• question_answer3) Lowest  wavelength  of  X-rays  in continuous spectrum is:
  A)
  \[\frac{eV}{ch}\]                             
  done clear
  B)
         \[\frac{ch}{eV}\]             
  done clear
  C)
  \[\frac{c}{heV}\]                             
  done clear
  D)
         \[\frac{hev}{c}\]
  done clear
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• question_answer4) Which is not the unit of work out of these?
  A)
   watt-sec            
  done clear
  B)
          N-m                     
  done clear
  C)
   kg-m/s                
  done clear
  D)
          Joule
  done clear
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• question_answer5) The moment of inertia and mass of hollow sphere and solid sphere is equal then what is ratio between their radius?
  A)
   1 : 2                      
  done clear
  B)
         \[\sqrt{3}:\sqrt{5}\]       
  done clear
  C)
         \[\sqrt{5}:\sqrt{3}\]                       
  done clear
  D)
          5 : 4
  done clear
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• question_answer6) In depletion layer which are present:
  A)
   only electron   
  done clear
  B)
          only holes         
  done clear
  C)
          electron and holes        
  done clear
  D)
   none of these
  done clear
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• question_answer7) Due to which oil rises up with the help of piece of cloth in lamp:
  A)
   viscosity of oil  
  done clear
  B)
          capillary method
  done clear
  C)
                          surface tension 
  done clear
  D)
          none of these
  done clear
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• question_answer8) In \[{{H}_{2}}\] molecule (atom) its total energy is proportional to:
  A)
   \[{{n}^{2}}\]                     
  done clear
  B)
          n                           
  done clear
  C)
   \[\frac{1}{n}\]                 
  done clear
  D)
         \[\frac{1}{{{n}^{2}}}\]
  done clear
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• question_answer9) What will be the effect on potential barrier on decreasing forward voltage in p-n function diode:
  A)
   increase             
  done clear
  B)
          decrease           
  done clear
  C)
          no effect           
  done clear
  D)
          none of these
  done clear
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• question_answer10) Which is the best device to measure e.m.f. of a cell:
  A)
   Voltmeter         
  done clear
  B)
          Voltmeter         
  done clear
  C)
          Ammeter          
  done clear
  D)
          Potentiometer
  done clear
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• question_answer11) Which value cannot be measured by potentiometer?
  A)
   Resistance        
  done clear
  B)
          Capacity             
  done clear
  C)
   Electric current
  done clear
  D)
          Potential
  done clear
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• question_answer12) If Fresnels biprism experiment is held in water in spite of air, then what will be the effect on fringe width :
  A)
   decrease           
  done clear
  B)
          increase             
  done clear
  C)
          no effect           
  done clear
  D)
          none of these
  done clear
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• question_answer13) Moment of inertia is minimum in cube when:
  A)
   about tangent
  done clear
  B)
   about axis
  done clear
  C)
   about centre of mass and passes through the axis
  done clear
  D)
   alt of these
  done clear
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• question_answer14) What is the condition for lowest power defect in A.C. circuit?
  A)
   High resistane high inductance
  done clear
  B)
   High resistance low inductance
  done clear
  C)
   Low resistance high inductance
  done clear
  D)
   Low resistance and low inductance
  done clear
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• question_answer15) X-rays are produced in laboratory by:
  A)
   radiation
  done clear
  B)
   decomposition of the atom
  done clear
  C)
   bombardment of high energy electron on heavy metal
  done clear
  D)
   none of these
  done clear
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• question_answer16) Find out the true relation:
  A)
  \[{{e}_{\lambda }}{{a}_{\lambda }}={{E}_{\lambda }}\]  
  done clear
  B)
                                         \[{{e}_{\lambda }}{{E}_{\lambda }}={{a}_{\lambda }}\] 
  done clear
  C)
          \[{{e}_{\lambda }}={{a}_{\lambda }}{{E}_{\lambda }}\]                 
  done clear
  D)
          none of these
  done clear
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• question_answer17) Kinetic energy of an ideal gas depends on its:
  A)
   temperature   
  done clear
  B)
          pressure            
  done clear
  C)
   volume               
  done clear
  D)
          none of these
  done clear
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• question_answer18) What should be in A.C. circuit to increase power factor?
  A)
   Capacitor
  done clear
  B)
   Chock coil
  done clear
  C)
   Low resistance with induction
  done clear
  D)
   All of these
  done clear
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• question_answer19) What are the dimensions of surface tension:
  A)
  \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{1}}}{{\text{L}}^{\text{1}}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }\]               
  done clear
  B)
         \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{1}}}{{\text{L}}^{0}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }\] 
  done clear
  C)
  \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{-1}}}{{\text{L}}^{2}}{{\text{T}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }\]               
  done clear
  D)
         \[\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{-1}}}{{\text{L}}^{2}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }\]
  done clear
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• question_answer20) A particle moves along a circle with a uniform speed\[\upsilon .\] After it has made an angle of \[60{}^\circ \], then its speed will be:
  A)
  \[\upsilon \]                      
  done clear
  B)
         \[\frac{\upsilon }{\sqrt{2}}\]                      
  done clear
  C)
  \[\frac{\upsilon }{\sqrt{3}}\]                      
  done clear
  D)
          zero
  done clear
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• question_answer21) The moment of inertia of a plate of mass m, length \[l\]and breadth b :
  A)
  \[m\left( \frac{{{l}^{2}}+{{b}^{2}}}{12} \right)\] 
  done clear
  B)
         \[m\left( \frac{{{l}^{2}}}{4}+\frac{{{b}^{2}}}{12} \right)\]              
  done clear
  C)
  \[m\left( \frac{{{l}^{2}}+{{b}^{2}}}{6} \right)\]   
  done clear
  D)
          none of these
  done clear
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• question_answer22) The displacement equation of a particle is \[x=3\,\sin \,2t\,+4\,\cos \,2t.\] The amplitude and maximum velocity will be respectively:
  A)
   5, 10     
  done clear
  B)
                          3, 2                       
  done clear
  C)
   4, 2                       
  done clear
  D)
          3, 4
  done clear
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• question_answer23) One sphere collides with another sphere of same mass at rest in elastically. If the value of coefficients of restification is 1/2. Tine ratio of there speed after collision will be:
  A)
   1 : 2                      
  done clear
  B)
          2 : 1                      
  done clear
  C)
   1 : 3                      
  done clear
  D)
          3 : 1
  done clear
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• question_answer24) If the kinetic energy of a body increase by 0.1% then the percentage increase in its momentum will be:
  A)
   0.05%                  
  done clear
  B)
          0.1%,                   
  done clear
  C)
   1.0%                    
  done clear
  D)
          10%
  done clear
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• question_answer25) Out of these on which g does not depend:
  A)
   density               
  done clear
  B)
          mass                    
  done clear
  C)
   shape                  
  done clear
  D)
          none of these
  done clear
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• question_answer26) Angular velocity of a wheel is 2 rad/sec calculate the number of rotation of wheel in 5 seconds:
  A)
   5/\[\pi \]                            
  done clear
  B)
          1/\[\pi \]                            
  done clear
  C)
   10\[\pi \]                           
  done clear
  D)
          20\[\pi \]
  done clear
  View Answer play_arrow

• question_answer27) How to adjust three capacitor to get high energy on same potential?
  A)
   Two parallel one in series
  done clear
  B)
   Three are in series
  done clear
  C)
   Three are in parallel
  done clear
  D)
   None of these
  done clear
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• question_answer28) In the vaccum diode or valve oxide coated emitter are used because:
  A)
   the work function is more
  done clear
  B)
   they emits more electron at for temperature                   
  done clear
  C)
   work function is high            
  done clear
  D)
   none of these                   
  done clear
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• question_answer29) A disc whose radius R is revolving around its geometrical axis if we increase  radius to 2R and constant speed then the centripetal force will be:
  A)
   half                      
  done clear
  B)
          double
  done clear
  C)
          equal                   
  done clear
  D)
          one fourth
  done clear
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• question_answer30) A man standing on a revolving platform spreading his hands suddenly he stretches his hand. Then:
  A)
   angular velocity increase
  done clear
  B)
   angular velocity decrease
  done clear
  C)
   angular momentum increase
  done clear
  D)
   angular moment is zero
  done clear
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• question_answer31) Calculate the number of \[\alpha \] and \[\] particles in radioactive decay\[_{92}{{X}^{234}}{{\xrightarrow{{}}}_{82}}{{Y}^{222}}\]:
  A)
   3, 3                       
  done clear
  B)
          3, 1                       
  done clear
  C)
   5, 3                       
  done clear
  D)
          3, 5
  done clear
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• question_answer32) Which is not the dimensions of frequency?
  A)
  \[\frac{1}{\sqrt{LC}}\]                   
  done clear
  B)
         \[\frac{1}{RC}\]                
  done clear
  C)
  \[\frac{C}{L}\]                                   
  done clear
  D)
  \[\frac{R}{L}\]
  done clear
  View Answer play_arrow

• question_answer33) Two equal and opposite charge are displaced x metre apart, then the potential depends upon:
  A)
   only on \[q\]                    
  done clear
  B)
          on \[x\]                              
  done clear
  C)
   on \[qx\]           
  done clear
  D)
          on \[q/x\]
  done clear
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• question_answer34) What is necessary condition to obtain interference pattern?
  A)
   Equal frequency
  done clear
  B)
   Equal amplitude
  done clear
  C)
   Constant phase difference
  done clear
  D)
   Equal amplitude and frequency
  done clear
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• question_answer35) By one wire diffraction pattern is obtained, if we increase the diameter of wire then fringe width:
  A)
   increase             
  done clear
  B)
          decrease           
  done clear
  C)
          no change         
  done clear
  D)
          all of these
  done clear
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• question_answer36) Farad is not equal to:
  A)
   CV                        
  done clear
  B)
         \[\frac{{{\text{Q}}^{\text{2}}}}{\text{J}}\]                          
  done clear
  C)
          \[\frac{\text{J}}{{{\text{V}}^{\text{2}}}}\]                          
  done clear
  D)
         \[\text{QV}\]
  done clear
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• question_answer37) Wave front is a imaginary surface, where:
  A)
   phase difference are equal
  done clear
  B)
   everywhere phase is equal
  done clear
  C)
   phase difference is different
  done clear
  D)
   none of these
  done clear
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• question_answer38) In an experiment with a potentiometer it was found that no deflection is caused in the ameter on joining the two terminals with cells with 125 cm length of the potentiometer wire. If resistance of 2\[\Omega \]is connected to the terminal of cell, then balancing length is 100 cm, calculate the internal resistance of cell:
  A)
  \[0.5\,\Omega \]                             
  done clear
  B)
         \[1.5\,\Omega \]                             
  done clear
  C)
   \[1.25\,\Omega \]         
  done clear
  D)
         \[\frac{4}{5}\,\Omega \]
  done clear
  View Answer play_arrow

• question_answer39) Kinetic energy of emitted electrons in photoelectric effect does not depends on :
  A)
   wave length    
  done clear
  B)
          frequency
  done clear
  C)
   intensity            
  done clear
  D)
          work function
  done clear
  View Answer play_arrow

• question_answer40) Neutrino hypothesis was given by:
  A)
   Sommerfeild   
  done clear
  B)
          Pauli
  done clear
  C)
   Fermi                  
  done clear
  D)
          Chadwick
  done clear
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• question_answer41) On charging a soap bouble its size:
  A)
   decreases         
  done clear
  B)
          increases
  done clear
  C)
   remains same   
  done clear
  D)
          cannot be said
  done clear
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• question_answer42) Most accurate value is:
  A)
  \[{{C}_{P}}=3,C{{  }_{\upsilon }}=1\]  
  done clear
  B)
  \[{{C}_{P}}=5,C{{  }_{\upsilon }}=3\]
  done clear
  C)
  \[{{C}_{P}}=4,C{{  }_{\upsilon }}=5\]  
  done clear
  D)
  \[{{C}_{P}}=6,C{{  }_{\upsilon }}=2\]
  done clear
  View Answer play_arrow

• question_answer43) In which type of wave energy is not transferred?
  A)
   Heat waves      
  done clear
  B)
          Target waves
  done clear
  C)
   Stationary waves
  done clear
  D)
         Unstationary waves
  done clear
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• question_answer44) If the absorb heat of system is \[\delta Q,\] work done by the system is \[\delta W,\] and change in internal energy is \[dU,\] then which quantity does not depend on path:
  A)
   \[dU\]                 
  done clear
  B)
          \[\delta W\]
  done clear
  C)
   \[\delta Q\]                      
  done clear
  D)
          \[\delta Q\,\text{and}\,\delta W\]
  done clear
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• question_answer45) By which law, direction of induced e.m.f. can be found :
  A)
   Amperes law  
  done clear
  B)
          Flemings law
  done clear
  C)
   Faradays law  
  done clear
  D)
          Lenzs law
  done clear
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• question_answer46) Half-life of a radioactive element is 30 days, then the remaining amount after 90 days:
  A)
   1/3                       
  done clear
  B)
          1/4   
  done clear
  C)
   1/8                       
  done clear
  D)
          1/16
  done clear
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• question_answer47) Which is not a possible electronic configuration?
  A)
  \[\text{1}  {{\text{s}}^{\text{2}}}\text{,}\,\text{2}{{\text{s}}^{\text{2}}},\,\text{2}{{\text{p}}^{\text{5}}}\]      
  done clear
  B)
  \[\text{1}  {{\text{s}}^{\text{2}}}\text{,}\,{{\text{2}}_{\text{s}}}^{\text{2}}\text{,}\,\text{2}{{\text{p}}^{\text{6}}}\text{,}\,\text{3s}\]
  done clear
  C)
   \[\text{1}  {{\text{s}}^{\text{2}}}\text{,}\,1{{\text{p}}^{\text{6}}}\text{,}\,2\text{s}\]               
  done clear
  D)
  \[1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},\,3{{s}^{2}}\]
  done clear
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• question_answer48) What will be the relation between wavelength of photon and electron of same energy?
  A)
  \[{{}_{\text{Ph}}}\text{}\,{{}_{\text{e}}}\]          
  done clear
  B)
         \[{{}_{\text{Ph}}}-\,{{}_{\text{e}}}\]
  done clear
  C)
  \[{{}_{e}}>\,{{}_{Ph}}\]   
  done clear
  D)
         None of these
  done clear
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• question_answer49) A black body radiated high intensity radiation of 13\[\text{M}\]when temperature is \[200{}^\circ K\] if the temperature is increased upto \[1000\overset{\text{o}}{\mathop{\text{A}}}\,\]. Then calculate high intensity radiation:
  A)
   70 \[\text{M}\]               
  done clear
  B)
          70 m
  done clear
  C)
   2.8 \[\text{M}\]              
  done clear
  D)
          2.8 mm
  done clear
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• question_answer50) When there will be a phase difference of \[180{}^\circ \] between incident and reflected rays:
  A)
   air to glass         
  done clear
  B)
          glass to water
  done clear
  C)
   glass to air         
  done clear
  D)
          water to air
  done clear
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• question_answer51) The unit of dipole moment is:
  A)
   coulomb-metre
  done clear
  B)
          coulomb/metre
  done clear
  C)
   coulomb-metre2
  done clear
  D)
          metre/coulomb
  done clear
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• question_answer52) Highest frequency waves are:
  A)
   microwave        
  done clear
  B)
          infrared
  done clear
  C)
   ultrovoilet         
  done clear
  D)
          X-rays
  done clear
  View Answer play_arrow

• question_answer53) Frequency of an open organ pipe is\[f\]then it is dipped in water up to half of its length then new frequency will be:
  A)
   \[f\]                     
  done clear
  B)
          \[f\]/2  
  done clear
  C)
   2\[f\]                                   
  done clear
  D)
          \[\frac{3}{4}f\]
  done clear
  View Answer play_arrow

• question_answer54) Radius of half period zone is proportional to:
  A)
  \[\sqrt{n}\]                        
  done clear
  B)
         \[\frac{1}{\sqrt{n}}\]  
  done clear
  C)
   \[{{n}^{2}}\]                     
  done clear
  D)
          \[1/n\]
  done clear
  View Answer play_arrow

• question_answer55) According to law of conservation of energy:
  A)
   energy can be destroyed cant be created
  done clear
  B)
   energy can neither be created nor be destroyed
  done clear
  C)
   energy can either be created or destroyed
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer56) What is the emissive power of sun when its temperature is doubled:
  A)
   2 times               
  done clear
  B)
          4 times
  done clear
  C)
   8 times               
  done clear
  D)
          16 times
  done clear
  View Answer play_arrow

• question_answer57) In a diode on increasing plate voltage plate current is not increasing, then how to increase the plate current?
  A)
   Increase in filament current
  done clear
  B)
   Decrease in distance between cathode and plate
  done clear
  C)
   Increase the temperature of anode
  done clear
  D)
   Increase the temperature of cathode
  done clear
  View Answer play_arrow

• question_answer58) In progressive wave transfer of energy per second on:
  A)
   maximum at antinode
  done clear
  B)
   maximum on antinode
  done clear
  C)
   maximum at node and but zero on antinode
  done clear
  D)
   maximum at antinode and zero on node
  done clear
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• question_answer59) Phase difference between \[V\]and\[I\] in purely inductive A.C. circuit:
  A)
  \[0{}^\circ \]                      
  done clear
  B)
         \[180{}^\circ \]   
  done clear
  C)
   \[90{}^\circ \]                                  
  done clear
  D)
          \[360{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer60) Ratio between magnetic intensity and magnetic field intensity is:
  A)
   permeability    
  done clear
  B)
          magnetic flux
  done clear
  C)
   magnetic nature
  done clear
  D)
          magnetic permeability
  done clear
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• question_answer61) Behaviour of zone plate coincides with :
  A)
   concave lens   
  done clear
  B)
          convex lens
  done clear
  C)
   concave mirror
  done clear
  D)
          convex mirror
  done clear
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• question_answer62) A particle is executing S.H.M. its maximum velocity is\[{{\upsilon }_{0,}}\] then what will be its velocity at a distance half of the amplitude from mean position?
  A)
  \[\frac{{{\upsilon }_{0}}}{2}\]                    
  done clear
  B)
         \[{{\upsilon }_{0}}\]
  done clear
  C)
  \[{{\upsilon }_{0}}\sqrt{\frac{3}{2}}\]                     
  done clear
  D)
         \[{{\upsilon }_{0}}\sqrt{\frac{3}{2}}\]
  done clear
  View Answer play_arrow

• question_answer63) Real gas behaves as ideal gas on:
  A)
   high temperature          
  done clear
  B)
   low pressure
  done clear
  C)
   high temperature and low pressure
  done clear
  D)
   low temperature and high pressure
  done clear
  View Answer play_arrow

• question_answer64) In a diode valve, mutual conductance is 25 mA /V and anode resistance is 20\[k\Omega \] is used as an amplifier.  Whose amplification is 100, then calculate load resistance:
  A)
  \[1\,k\Omega \]                              
  done clear
  B)
         \[5\,k\Omega \]
  done clear
  C)
   \[10\,k\Omega \]           
  done clear
  D)
                          \[20\,k\Omega \]
  done clear
  View Answer play_arrow

• question_answer65) White light is used in Youngs double slits experiment, distance between two slits is \[B(>>b),\]dispersion of interference film is small wavelength of one fringe then calculate wavelength of fringe :
  A)
  \[\frac{{{b}^{2}}}{B}\]                   
  done clear
  B)
         \[\frac{2{{b}^{2}}}{B}\]
  done clear
  C)
  \[\frac{{{b}^{2}}}{B}\frac{{{b}^{2}}}{3B}\]                            
  done clear
  D)
          all of these
  done clear
  View Answer play_arrow

• question_answer66) Positive rays was discovered by:
  A)
   Thomson           
  done clear
  B)
          Goldstein
  done clear
  C)
   W. Crookes       
  done clear
  D)
          Rutherford
  done clear
  View Answer play_arrow

• question_answer67) In Thomson mass spectrograph, electric and magnetic field are applied:
  A)
   perpendicularly together
  done clear
  B)
   perpendicularly
  done clear
  C)
   parallel
  done clear
  D)
   parallel together                 
  done clear
  View Answer play_arrow

• question_answer68) Discovery of positive rays is helpful in discovery of:
  A)
   proton                
  done clear
  B)
          isotopes
  done clear
  C)
   electrons           
  done clear
  D)
          \[\text{-}\]particles
  done clear
  View Answer play_arrow

• question_answer69) What is the effect on Fresnels biprism experiment when the use of white light is made:                             
  A)
   fringe are affected
  done clear
  B)
                    diffraction pattern is spread ore 
  done clear
  C)
   central fringe is white and all are coloured                        
  done clear
  D)
   none of these                 
  done clear
  View Answer play_arrow

• question_answer70) Truth of chock coil is:            
  A)
   high resistance, low inductance 
  done clear
  B)
   high resistance, high inductance
  done clear
  C)
   low resistance, low inductance    
  done clear
  D)
   low resistance, high inductance
  done clear
  View Answer play_arrow

• question_answer71) Main frequency is 100 Hz and second two frequency are 300 Hz and 500 Hz, then the pipe is:
  A)
   open pipe           
  done clear
  B)
            closed pipe        
  done clear
  C)
              one end is open and second end is closed
  done clear
  D)
   all of these
  done clear
  View Answer play_arrow

• question_answer72) The moment of inertia of a rod of 1 m length with respect to its mid point is:
  A)
  \[\frac{M}{12}\]              
  done clear
  B)
         \[\frac{M}{3}\]
  done clear
  C)
  \[\frac{M}{2}\]                 
  done clear
  D)
         \[M\]
  done clear
  View Answer play_arrow

• question_answer73) The frequency of oscillation of an object of mass in suspended by means of a spring of force constant k is given by\[f=\,(C{{m}^{x}}{{k}^{y}}),\] the value of x and y are:
  A)
  \[\frac{1}{2}\frac{1}{2}\]                              
  done clear
  B)
         \[-\frac{1}{2}\frac{1}{2}\]
  done clear
  C)
  \[-\frac{1}{2}\frac{1}{3}\]                            
  done clear
  D)
         \[\frac{1}{2}-\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer74) As shown in the figure half the space between plates of a capacitor is filled with an insulator material of dielectric constant\[K,\]if initial capacity was \[C\] then the new capacity is:
  A)
  \[\frac{C}{2}(K+1)\]                                       
  done clear
  B)
  \[\frac{C}{2(K+1)}\]
  done clear
  C)
  \[\frac{(K+1)}{2C}\]       
  done clear
  D)
         \[C\,(K+1)\]
  done clear
  View Answer play_arrow

• question_answer75) Which of the following pair has identical dimensions?
  A)
   Momentum and force
  done clear
  B)
   Surface tension and surface energy
  done clear
  C)
   Pressure and Youngs coefficient
  done clear
  D)
   Momentum of force and angular momentum
  done clear
  View Answer play_arrow

• question_answer76) The angular speed of a minute hand of a clock:
  A)
  \[\frac{}{\text{1600}}\text{rad/s}\]        
  done clear
  B)
         \[\frac{}{\text{3000}}\text{rad/s}\]
  done clear
  C)
  \[\frac{}{\text{30}}\text{rad/s}\]             
  done clear
  D)
         \[\frac{}{1800}\text{rad/s}\]
  done clear
  View Answer play_arrow

• question_answer77) The ratio of mass of two circular ring is 1 : 2 and ratio of radius is 2 : 1 then what will be the, ratio of their momentums of inertia ?
  A)
   1 : 4                      
  done clear
  B)
          2 : 1  
  done clear
  C)
   4 : 1                      
  done clear
  D)
         \[\sqrt{2}:1\]
  done clear
  View Answer play_arrow

• question_answer78) Force constant is k and elastic force is\[f,\] then what will be the displacement?
  A)
  \[\sqrt{3}\]                        
  done clear
  B)
         \[\frac{1}{\sqrt{3}}\]   
  done clear
  C)
  \[\frac{1}{2}\]                                   
  done clear
  D)
         \[\frac{\sqrt{3}}{2}\]
  done clear
  View Answer play_arrow

• question_answer79) If the value of \[g\] on a planet is \[8\,m/{{s}^{2}}\] and its radius is 1000 km, then find the value of escape velocity on that planet:
  A)
   1.41 km/s          
  done clear
  B)
          2.82 km/s
  done clear
  C)
   4km/s                 
  done clear
  D)
          8 km/s
  done clear
  View Answer play_arrow

• question_answer80) Surface tension of a soap is \[2\times {{10}^{-2}}N/m,\] then calculate the work done to make a bubble of radius 1 cm:
  A)
  \[\text{4}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}\]              
  done clear
  B)
          \[\text{8}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}\]
  done clear
  C)
   \[\text{12}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}\]           
  done clear
  D)
         \[\text{16}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}\]
  done clear
  View Answer play_arrow

• question_answer81) What should be the minimum velocity of body, at which it should be thrown to make it satellite of earth:
  A)
   \[11\times {{10}^{3}}\,m/s\]     
  done clear
  B)
          \[8\times {{10}^{3}}\,m/s\]
  done clear
  C)
   \[6.4\,\times {{10}^{3}}\,m/s\]   
  done clear
  D)
          \[4\times {{10}^{3}}\,m/s\]
  done clear
  View Answer play_arrow

• question_answer82) In bin bridge spectrograph the electric field is \[{{10}^{4}}\] volt/m and magnetic field is 1 T, then the velocity of undeflected positive ions is:
  A)
   \[{{10}^{7}}\,m/s\]       
  done clear
  B)
          \[{{10}^{4}}\,m/s\]
  done clear
  C)
   \[{{10}^{5}}\,m/s\]        
  done clear
  D)
          \[{{10}^{2}}\,m/s\]
  done clear
  View Answer play_arrow

• question_answer83) The equation of a wave is  \[y={{10}^{-4}}\,\sin \,(60t+2x),\]where\[x\] and\[y\] are in metre,\[t\] in sec, then which statement is true?
  A)
   Wavelength is \[\pi \] meter
  done clear
  B)
   Frequency is \[\left( \frac{30}{\pi } \right)\]Hz
  done clear
  C)
   Velocity is 30 m/s
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer84) The number of lines of force from 1 coulomb charge is:
  A)
   0                                            
  done clear
  B)
   1    
  done clear
  C)
  \[\frac{1}{{{\varepsilon }_{0}}}\]                              
  done clear
  D)
         \[\infty \]
  done clear
  View Answer play_arrow

• question_answer85) Which of the following is the one of iron?
  A)
   Galena                
  done clear
  B)
                          Bauxite
  done clear
  C)
                          Hematite                           
  done clear
  D)
                          Black zac
  done clear
  View Answer play_arrow

• question_answer86) The oxidation number of iron in \[F{{e}_{0.94}}O\]is:
  A)
   \[+2\]                                  
  done clear
  B)
                          \[+2\] and \[+3\]
  done clear
  C)
                          \[+3\]                                  
  done clear
  D)
                          \[+1\]
  done clear
  View Answer play_arrow

• question_answer87) Which of the molecule or iron is coplanar?
  A)
   \[N{{O}_{3}}^{-}\]                         
  done clear
  B)
                          \[C{{O}_{3}}^{-2}\]
  done clear
  C)
                          \[S{{O}_{3}}^{-2}\]                        
  done clear
  D)
                          \[S{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer88) \[{{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\]on reaction with chlorine in the presence of light gives:
  A)
  \[C{{H}_{3}}COCl\]
  done clear
  B)
                          \[{{({{C}_{2}}C{{l}_{5}})}_{2}}O\]
  done clear
  C)
                          \[C{{H}_{3}}-Cl\]
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer89) The main ore o obtain zinc is:
  A)
   zinc blend                          
  done clear
  B)
                          black zinc
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer90) Which one does not show \[s{{p}^{2}}\] hybridisation?
  A)
   \[C{{O}_{3}}^{-2}\]                        
  done clear
  B)
                          \[C{{O}_{2}}\]
  done clear
  C)
                          \[N{{O}_{3}}\]                                 
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer91) Strongest acid is:
  A)
   formic acid                        
  done clear
  B)
                          acetiacid
  done clear
  C)
                          proponic acid   
  done clear
  D)
                          \[C{{l}_{2}}C{{H}_{2}}COOH\] 
  done clear
  View Answer play_arrow

• question_answer92) Schiffs reagent gives the pink colour with:
  A)
   \[{{C}_{2}}{{H}_{5}}CHO\]                          
  done clear
  B)
                          Propanone
  done clear
  C)
                          \[{{C}_{2}}{{H}_{5}}OH\]                             
  done clear
  D)
                          Propane -2-ol
  done clear
  View Answer play_arrow

• question_answer93) Less soluble compound is:
  A)
   \[Be{{(OH)}_{2}}\]                         
  done clear
  B)
                          \[Ba{{(OH)}_{2}}\]
  done clear
  C)
                          \[Ca{{(OH)}_{2}}\]                         
  done clear
  D)
                          \[Mg{{(OH)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer94) Which of the following react with acetylene and formed dichloroacetaldehyde?
  A)
   \[HOCl\]                             
  done clear
  B)
                          \[HCl\]
  done clear
  C)
                          Both (a) and (b)
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer95) Which isomerism which is present in self-aldehyde?
  A)
   Chain isomerism
  done clear
  B)
                          Position isomerism
  done clear
  C)
                          Functional isomerism
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer96) Which of the following react with acetic acid for obtain acetic anhydride?
  A)
   \[{{P}_{2}}{{O}_{5}}\]                   
  done clear
  B)
                          \[PC{{l}_{5}}\]
  done clear
  C)
                          \[{{P}_{2}}{{O}_{3}}\]                   
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer97) Ketone \[+X\xrightarrow{{}}oxime\]. The name of X is:
  A)
   \[N{{H}_{2}}-N{{H}_{2}}\]
  done clear
  B)
                          \[N{{H}_{3}}\]
  done clear
  C)
                          \[N{{H}_{2}}-OH\]
  done clear
  D)
                          \[N{{H}_{2}}-NH-CO-N{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer98) Which electronic configuration follows Hunds rule:
  A)
   
  done clear
  B)
                          
  done clear
  C)
                          
  done clear
  D)
                          
  done clear
  View Answer play_arrow

• question_answer99) The correct order of strength of Lewis bases is:
  A)
   \[{{F}^{-}}>O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}\]
  done clear
  B)
                          \[NH_{2}^{-}>CH_{3}^{-}>O{{H}^{-}}>{{F}^{-}}\]
  done clear
  C)
                          \[O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}>{{F}^{-}}\]
  done clear
  D)
                          \[C{{H}_{3}}^{-}>NH_{2}^{-}>O{{H}^{-}}>{{F}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer100) Which has the least solubility product?
  A)
   \[Be{{(OH)}_{2}}\]
  done clear
  B)
                          \[Ba{{(OH)}_{2}}\]
  done clear
  C)
                          \[Mg{{(OH)}_{2}}\]
  done clear
  D)
                          \[Ca{{(OH)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer101) Industrial alcohol is:
  A)
   \[100%\text{ }{{C}_{2}}{{H}_{5}}OH\]
  done clear
  B)
                          \[93%\]to \[95%\text{ }C{{H}_{3}}OH\]
  done clear
  C)
                          \[95%\]absoult alcohol \[+5%\,C{{H}_{3}}OH\]
  done clear
  D)
                          \[90%\]alcohol
  done clear
  View Answer play_arrow

• question_answer102) In which of the following is not acidic salt?
  A)
  \[NaHC{{O}_{3}}~~\]   
  done clear
  B)
                          \[Na{{H}_{2}}P{{O}_{2}}\]
  done clear
  C)
                         \[KHS{{O}_{4}}\]       
  done clear
  D)
                          \[Na{{H}_{2}}P{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer103) Which of the following ion will have maximum hydration energy?
  A)
   \[S{{r}^{+2}}\]                                 
  done clear
  B)
                          \[B{{a}^{+2}}\]
  done clear
  C)
                          \[C{{a}^{+2}}\]                
  done clear
  D)
                          \[M{{g}^{+2}}\]
  done clear
  View Answer play_arrow

• question_answer104) From the following mixtures which is electrolyzed in the metallurgy of aluminium:
  A)
   alumina \[NaOH\]
  done clear
  B)
                          alumina \[+\] silicon
  done clear
  C)
                          alumina 4-cryolite                   
  done clear
  D)
                              aluminium chloride \[+CaC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer105) The solubility product of chalk is \[9.3\times {{10}^{-8}}\]. What will be solubility of this?   
  A)
   \[3.04\times {{10}^{-4}}mole/litre\]
  done clear
  B)
                          \[5\times {{10}^{-6}}\text{ }mole/litre\]
  done clear
  C)
                          \[3\times {{10}^{-5}}mole/litre\]
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer106) Which of the following added to \[C{{u}_{2}}S\] for blaster formation?
  A)
   \[CuC{{O}_{3}}\]                            
  done clear
  B)
                          \[F{{e}_{2}}{{O}_{3}}\]
  done clear
  C)
                          \[CuO\]                              
  done clear
  D)
                          \[C{{u}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer107) Most suitable indicator in the titration of acetic acid and sodium hydroxide is:
  A)
   methyl orange 
  done clear
  B)
                          phenolphthalein
  done clear
  C)
                          phenol red     
  done clear
  D)
                          all of the above
  done clear
  View Answer play_arrow

• question_answer108) Which compound does not have ionic bond?
  A)
   Magnesium chloride
  done clear
  B)
                          Zinc sulphide
  done clear
  C)
                          Calcium fluoride
  done clear
  D)
                          Graphite
  done clear
  View Answer play_arrow

• question_answer109) The solubility product of \[BaS{{O}_{4}}\]is \[25\times {{10}^{-12}}\]. What will be the solubility of this:
  A)
   \[5\times {{10}^{-6}}mole/litre\]
  done clear
  B)
                          \[25\times {{10}^{-6}}mole/litre\]
  done clear
  C)
                          \[5\times {{10}^{-12}}mole/litre\]
  done clear
  D)
                          \[25\times {{10}^{-12}}mole/litre\]
  done clear
  View Answer play_arrow

• question_answer110) Argentite ore is reacted with which compound to obtain it in solution?
  A)
   \[Fe{{(CN)}_{6}}^{-4}\]
  done clear
  B)
                          \[NaCN\]
  done clear
  C)
                           \[{{C}_{6}}{{H}_{5}}-CN\]
  done clear
  D)
                          \[C{{H}_{3}}CN\]
  done clear
  View Answer play_arrow

• question_answer111) The ion which has not bond order \[2.5\] is:
  A)
   \[{{O}_{2}}^{-}\]                             
  done clear
  B)
                          \[{{N}_{2}}^{+}\]
  done clear
  C)
                          \[{{O}_{2}}^{+}\]                            
  done clear
  D)
                          \[{{N}_{2}}^{-}\]
  done clear
  View Answer play_arrow

• question_answer112) Which of the following pairs does not show same properties?
  A)
   \[B,Si\]               
  done clear
  B)
                          \[Na,Ca\]
  done clear
  C)
                          \[Li,Mg\]                            
  done clear
  D)
                          \[Be,Al\]
  done clear
  View Answer play_arrow

• question_answer113) The position isomer of butyne is:
  A)
   \[3\]                                    
  done clear
  B)
                          \[4\]    
  done clear
  C)
                          \[2\]                                    
  done clear
  D)
                          \[1\]
  done clear
  View Answer play_arrow

• question_answer114) \[HCHO+N{{H}_{3}}\xrightarrow{{}}X,\], product X is:
  A)
   amino form
  done clear
  B)
                          hexamethylene tetramine
  done clear
  C)
                          urotropin
  done clear
  D)
                          all of these
  done clear
  View Answer play_arrow

• question_answer115) \[Glucose\xrightarrow[(yeast)]{X\,enzyme}alcohol\]  enzyme is:
  A)
   invertase      
  done clear
  B)
                          zymase
  done clear
  C)
                          maltase        
  done clear
  D)
                          diatase
  done clear
  View Answer play_arrow

• question_answer116) The ore of aluminium is:
  A)
   siderite         
  done clear
  B)
                          stephanite
  done clear
  C)
                          malachite      
  done clear
  D)
                          cryolite
  done clear
  View Answer play_arrow

• question_answer117) Which of the following is not used as primary standard in the redox reaction:
  A)
   Mohr salt      
  done clear
  B)
                          \[KMn{{O}_{4}}\]
  done clear
  C)
                          Oxalic acid    
  done clear
  D)
                          \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
  done clear
  View Answer play_arrow

• question_answer118) The compound which is not used in redox titration:
  A)
   \[{{(COOH)}_{2}}\]
  done clear
  B)
                          \[KMn{{O}_{4}}\]
  done clear
  C)
                          \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer119) The most stable carbonium ion is:
  A)
   \[C{{H}_{3}}-\overset{+}{\mathop{C}}\,H-{{C}_{2}}{{H}_{5}}\]
  done clear
  B)
                          \[C{{H}_{3}}-\overset{+}{\mathop{C}}\,{{H}_{2}}\]
  done clear
  C)
                          \[\overset{+}{\mathop{C}}\,{{H}_{3}}\]
  done clear
  D)
                          \[C{{H}_{3}}-CH-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer120) Which of the following reduction in acidic medium gives aniline?
  A)
   Nitrosobenzene
  done clear
  B)
                          Hydrazobenzene
  done clear
  C)
                          Nitrobenzene  
  done clear
  D)
                          Azobenzene
  done clear
  View Answer play_arrow

• question_answer121) The compound/ion which is used in the nitration of benzene:
  A)
   nitrite ion      
  done clear
  B)
                          nitronium ion
  done clear
  C)
                          sulphuric acid  
  done clear
  D)
                          nitric acid
  done clear
  View Answer play_arrow

• question_answer122) An electron is transferred towards nuclei from infinite then the potential energy:
  A)
   increases      
  done clear
  B)
                          ramains constant
  done clear
  C)
                          decreases      
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer123) In this reaction: \[3B{{r}_{2}}+6C{{O}_{3}}^{2-}+3{{H}_{2}}O\xrightarrow{{}}5B{{r}^{-}}\]\[+Br{{O}_{3}}+6HC{{O}_{3}}^{-}\]
  A)
   oxidation of bromine and reduction of carbonate
  done clear
  B)
                          reduction of bromine and oxidation of carbonate
  done clear
  C)
                          no oxidation and no reduction of bromine
  done clear
  D)
                          oxidation and reduction of bromine
  done clear
  View Answer play_arrow

• question_answer124) Which alkene gives the same product by the Markownikoffs and anti Markownikoffs method?
  A)
   \[\beta \]-butylene     
  done clear
  B)
                          Propylene
  done clear
  C)
                          \[\alpha \]-amylene     
  done clear
  D)
                          \[\alpha \]-butylene
  done clear
  View Answer play_arrow

• question_answer125) The number of double bond in B.H.C. is:
  A)
   \[1\]                                    
  done clear
  B)
                          \[2\]    
  done clear
  C)
                          \[3\]                                    
  done clear
  D)
                          \[zero\]
  done clear
  View Answer play_arrow

• question_answer126) In following reaction product A is: \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}+C{{H}_{3}}COCl\to A\]
  A)
   \[{{C}_{6}}{{H}_{6}}NOCl\]   
  done clear
  B)
                          \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}COC{{H}_{3}}\]
  done clear
  C)
                          \[{{C}_{6}}{{H}_{5}}NHCOC{{H}_{3}}\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer127) In which of the following has the minimum oxidation number of \[Mn\]:
  A)
   \[KMn{{O}_{4}}\]    
  done clear
  B)
                          \[{{K}_{2}}Mn{{O}_{4}}\]
  done clear
  C)
                          \[Mn{{O}_{2}}\]       
  done clear
  D)
                          \[Mn{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer128) Which of the following has its pH near about 7 in its aqueous solution of concentration\[1M\]:
  A)
   sodium acetate
  done clear
  B)
                          ammonium chloride
  done clear
  C)
                          \[N{{a}_{2}}S{{O}_{4}}\]
  done clear
  D)
                          \[FeC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer129) From overlapping of s-s orbital gives:
  A)
   \[\sigma \] bond       
  done clear
  B)
                          H-bond
  done clear
  C)
                          \[\pi \]bond        
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer130) The compound which have minimum bond angle:
  A)
   \[{{H}_{2}}O\] 
  done clear
  B)
                                          \[{{H}_{2}}S\]
  done clear
  C)
                          \[C{{H}_{4}}\]                  
  done clear
  D)
                          \[N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer131) Which element will form nitride?
  A)
   \[Rb\]                                 
  done clear
  B)
                          \[Na\]  
  done clear
  C)
                          \[Li\]                                    
  done clear
  D)
                          \[K\]
  done clear
  View Answer play_arrow

• question_answer132) The conjugate base of \[NH_{4}^{\oplus }\] is:
  A)
   \[N{{H}_{4}}\]                 
  done clear
  B)
                          \[N{{H}_{2}}\]
  done clear
  C)
                          \[N{{H}_{3}}\]                 
  done clear
  D)
                          \[\overset{+}{\mathop{N}}\,{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer133) The reaction between benzene and \[C{{H}_{3}}COCl\]gives:
  A)
   benzoyl chloride
  done clear
  B)
                          toluene
  done clear
  C)
                          acetophenone
  done clear
  D)
                          benzophenone
  done clear
  View Answer play_arrow

• question_answer134) \[C{{H}_{3}}-CHO+HCN\xrightarrow{{}}A\] \[\xrightarrow{hydrolysis}B,\] compound B is:
  A)
   malonic acid   
  done clear
  B)
                          glycolic acid
  done clear
  C)
                          maleic acid     
  done clear
  D)
                          lactic acid
  done clear
  View Answer play_arrow

• question_answer135) The reaction between formaldehyde and sodium hydroxide gives:
  A)
   \[{{C}_{2}}{{H}_{5}}OH+HCOONa\]
  done clear
  B)
                          \[{{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}COONa\]
  done clear
  C)
                          \[C{{H}_{3}}OH+HCOONa\]
  done clear
  D)
                          \[C{{H}_{3}}\text{OH}+C{{H}_{3}}COONa\]
  done clear
  View Answer play_arrow

• question_answer136) \[A+HN{{O}_{2}}\xrightarrow{{}}\]alcohol, compound A is:
  A)
   primary amine
  done clear
  B)
                          tertiary amine
  done clear
  C)
                          secondary amine
  done clear
  D)
                          none the these
  done clear
  View Answer play_arrow

• question_answer137) The groups present in picric acid are:
  A)
   \[-COOH\]and \[-N{{O}_{2}}\]
  done clear
  B)
                          \[-OH\]
  done clear
  C)
                          \[-OH\] and \[-N{{O}_{2}}\]
  done clear
  D)
                          \[-N{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer138) Number of a and n bond in 1-butenc-3-yne:
  A)
   \[5\sigma \] and \[5\pi \]
  done clear
  B)
                          \[7\sigma \] and \[3\pi \]
  done clear
  C)
                          \[8\sigma \]and \[2\pi \]
  done clear
  D)
                          \[6\sigma \]and \[4\pi \]
  done clear
  View Answer play_arrow

• question_answer139) The product obtained by the reaction of ether with Bayers reagent is:
  A)
   \[C{{H}_{3}}OH\]    
  done clear
  B)
                          \[C{{H}_{3}}C{{H}_{2}}OH\]
  done clear
  C)
                          \[\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}\]
  done clear
  D)
                          \[C{{H}_{3}}-\underset{\begin{smallmatrix}  \,|| \\  O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer140) P.V.C. is formed by the polymerization of:
  A)
   ethene       
  done clear
  B)
                          1-chloropropene
  done clear
  C)
                          propene      
  done clear
  D)
                          1-chloro ethane
  done clear
  View Answer play_arrow

• question_answer141) What will be the position number of isomers in \[{{C}_{2}}{{H}_{4}}C{{l}_{2}}\]?
  A)
   \[3\]                                    
  done clear
  B)
                          \[2\]    
  done clear
  C)
                          \[1\]                                    
  done clear
  D)
                          zero
  done clear
  View Answer play_arrow

• question_answer142) Which one of the following compounds does not give \[{{C}_{2}}{{H}_{5}}Cl\]by the reaction of \[{{C}_{2}}{{H}_{5}}OH\]?
  A)
   \[C{{l}_{2}}\]                                    
  done clear
  B)
                          \[PC{{l}_{5}}\]
  done clear
  C)
                          \[SOC{{l}_{2}}\]                              
  done clear
  D)
                          \[ZnC{{l}_{2}}+HCl\]
  done clear
  View Answer play_arrow

• question_answer143) Molecular formula of bleaching powder is:
  A)
   \[CaOC{{l}_{2}}\]  
  done clear
  B)
                          \[CaC{{O}_{3}}\]
  done clear
  C)
                          \[Ca{{(OH)}_{2}}\]
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer144) The atomic number of \[Fe\] is 26. The number of proton in \[Fe\] is:
  A)
   \[46\]                                  
  done clear
  B)
                          \[26\]
  done clear
  C)
                          \[20\]                                  
  done clear
  D)
                          \[6\]
  done clear
  View Answer play_arrow

• question_answer145) Which one have smallest size?
  A)
   \[M{{g}^{+2}}\]                              
  done clear
  B)
                          \[B{{e}^{+2}}\]
  done clear
  C)
                          \[N{{a}^{+}}\]                                  
  done clear
  D)
                          \[L{{i}^{+}}\]
  done clear
  View Answer play_arrow

• question_answer146) Principal quantum number \[n=1\] die number of l, w, s quantum arc:
  A)
   \[n=l,l=0,m=0,s=+\frac{1}{2},-\frac{1}{2}\]
  done clear
  B)
                          \[n=1,l=1,m=1,s=+\frac{1}{2}\]
  done clear
  C)
                          \[n=1,l=2,m=0,s=+\frac{1}{2}\]
  done clear
  D)
                          \[n=1,l=0,m=1,s=-\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer147) Which ion does not have colour?
  A)
   \[Cu\,(I)\]                         
  done clear
  B)
                          \[Cr\,(III)\]
  done clear
  C)
                          \[Co(II)\]                           
  done clear
  D)
                          \[Cu(II)\]
  done clear
  View Answer play_arrow

• question_answer148) Which of the following ions does not have its electronic configuration \[[Ar]3{{d}^{1}}\]?
  A)
   \[N{{i}^{+2}}\]           
  done clear
  B)
                          \[N{{i}^{+4}}\]
  done clear
  C)
                          \[C{{o}^{+3}}\]         
  done clear
  D)
                          None of these
  done clear
  View Answer play_arrow

• question_answer149) Acetone forms oxime by the reaction with:
  A)
   ammonia     
  done clear
  B)
                          \[{{(C{{H}_{3}})}_{2}}C=NH\]
  done clear
  C)
                          \[{{(C{{H}_{3}})}_{3}}NH\]
  done clear
  D)
                          \[N{{H}_{2}}-OH\]
  done clear
  View Answer play_arrow

• question_answer150) \[CH\equiv CH+HBr\xrightarrow{{}}X,\], product X is:
  A)
   ethylene bromide
  done clear
  B)
                          vinyl bromide
  done clear
  C)
                          bromo ethane
  done clear
  D)
                          ethyledene bromide
  done clear
  View Answer play_arrow

• question_answer151) \[C{{H}_{3}}CHO+Sodium\text{ }cupritartarate\xrightarrow{{}}\] red precipitate. In which red precipitate is:
  A)
   \[C{{u}_{2}}O\]                               
  done clear
  B)
                          \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  C)
                          \[N{{a}_{2}}O\]                               
  done clear
  D)
                          \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer152) In the following pairs which pair does not show the proper similarity?
  A)
   \[Na-Ca\]                          
  done clear
  B)
                          \[Li-Mg\]
  done clear
  C)
                          \[Be-Al~\]                         
  done clear
  D)
                          \[B-Si\]
  done clear
  View Answer play_arrow

• question_answer153) What will be the ratio of the radius of second and third orbits of hydrogen?
  A)
   \[9:4\]                                 
  done clear
  B)
                          \[2:3\] 
  done clear
  C)
                          \[3:2\]                                 
  done clear
  D)
                          \[4:9\]
  done clear
  View Answer play_arrow

• question_answer154) For triple the pH of a solution the concentration of hydrogen ion should be:
  A)
   \[1/100\text{ }times\]                 
  done clear
  B)
                          half
  done clear
  C)
                          double                                
  done clear
  D)
                          \[1/1000\text{ }times\]
  done clear
  View Answer play_arrow

• question_answer155) The blue colour of the liquid ammonia solution of metal is due to:
  A)
   ammoniated electron
  done clear
  B)
                          ammoniated anion
  done clear
  C)
                          ammoniated cation
  done clear
  D)
                          both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer156) Which compound affect the pH of \[N{{H}_{4}}OH\]solution?
  A)
   \[N{{H}_{4}}Cl~\]                           
  done clear
  B)
  \[CHC{{l}_{3}}\]
  done clear
  C)
  \[C{{H}_{3}}Cl\]                              
  done clear
  D)
  \[CH{{  }_{3}}OH\]
  done clear
  View Answer play_arrow

• question_answer157) \[{{C}_{2}}{{H}_{5}}OH+X\to {{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}\], X is:
  A)
   with \[Na\] at \[413K\]
  done clear
  B)
                          with cone. \[{{H}_{2}}S{{O}_{4}}\] at \[413K\]
  done clear
  C)
                          with cone. \[HCl\] at \[413K\]
  done clear
  D)
                          with \[B{{r}_{2}}\]at \[413K\]
  done clear
  View Answer play_arrow

• question_answer158) The gram number of atom in 46 gram sodium is:
  A)
  \[4\]                                     
  done clear
  B)
                         \[5\]   
  done clear
  C)
                         \[2\]                                     
  done clear
  D)
                         \[3\]
  done clear
  View Answer play_arrow

• question_answer159) Fehling solution is:
  A)
   \[CuS{{O}_{4}}+lime\]
  done clear
  B)
                          \[CuS{{O}_{4}}+NaOH(aq.)\]
  done clear
  C)
                          \[CuS{{O}_{4}}+N{{a}_{2}}C{{O}_{3}}\]
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer160) The compound which has zero dipole moment:
  A)
  \[C{{O}_{2}}\]                   
  done clear
  B)
                         \[S{{O}_{2}}\]
  done clear
  C)
                          \[{{H}_{2}}O\]                 
  done clear
  D)
                          \[CO\]
  done clear
  View Answer play_arrow

• question_answer161) Alkali metals in comparison to alkaline earth metal have:
  A)
   low ionic radii
  done clear
  B)
                          low reactivity
  done clear
  C)
                          high melting
  done clear
  D)
                          low ionization potential
  done clear
  View Answer play_arrow

• question_answer162) Atomic size is the order of:
  A)
   \[{{10}^{\,-12}}m\]                        
  done clear
  B)
                          \[{{10}^{-6}}m\]
  done clear
  C)
                          \[{{10}^{-9}}m\]                             
  done clear
  D)
                          \[{{10}^{-5}}m\]
  done clear
  View Answer play_arrow

• question_answer163) An acidic solution whose concentration is equal to \[0.1M\]and the degree of ionization is 1%. Then the dissociation constant of acid will be:
  A)
   \[1.01\times {{10}^{5}}\]
  done clear
  B)
                          \[1.01\times {{10}^{-5}}\]
  done clear
  C)
                          \[1.01\times {{10}^{3}}\]
  done clear
  D)
                          \[1.01\times {{10}^{-3}}\]
  done clear
  View Answer play_arrow

• question_answer164) \[CHC{{l}_{3}}\xrightarrow[light]{Air\,and}X,\]product X is:
  A)
   \[HOCl\]                             
  done clear
  B)
                          \[COC{{l}_{2}}\]
  done clear
  C)
                          \[C{{l}_{2}}\]                                    
  done clear
  D)
                          \[HCOCl\]
  done clear
  View Answer play_arrow

• question_answer165) Tollen reagent can be reduced in \[Ag\] by:
  A)
   ketone                               
  done clear
  B)
                          acetic acid
  done clear
  C)
                          ether                                   
  done clear
  D)
                          aldehyde
  done clear
  View Answer play_arrow

• question_answer166) The number of s block element is:
  A)
   greater than p block element
  done clear
  B)
                          greater than d block element
  done clear
  C)
                          lesser than p and d block element
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer167) \[{{C}_{2}}{{H}_{5}}Br+C{{H}_{3}}CHO\xrightarrow{{}}X\xrightarrow{H.OH}\]Y, product Y is :
  A)
   propanol      
  done clear
  B)
                          2-butanol
  done clear
  C)
                          both (a) and (c)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer168) Which of the following equilibrium is uneffected by the change in pressure?
  A)
   \[2{{O}_{3(g)}}3{{O}_{2(g)}}\]
  done clear
  B)
                          \[2N{{O}_{2(g)}}{{N}_{2}}{{O}_{4}}\]
  done clear
  C)
                          \[2H{{I}_{(g)}}{{H}_{2(g)}}+{{I}_{2(g)}}\]
  done clear
  D)
                          \[PC{{l}_{5(g)}}PC{{l}_{3(g)}}+C{{l}_{2(g)}}\]
  done clear
  View Answer play_arrow

• question_answer169) The compound with smallest \[C-H\] bond will be:                                  
  A)
   \[{{C}_{2}}{{H}_{6}}\]                   
  done clear
  B)
                          \[{{C}_{2}}{{H}_{2}}\]
  done clear
  C)
                          \[{{C}_{2}}{{H}_{4}}\]                   
  done clear
  D)
                          \[{{C}_{2}}{{H}_{2}}B{{r}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer170) Phenol + potassium per disulphate\[\xrightarrow{KOH}X,\], product X is:
  A)
   quinol        
  done clear
  B)
                          phenoquinon
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer171) Which of the following solutions gives red colour with HPh?
  A)
   \[5M\,NaOH\]
  done clear
  B)
                          \[0.1M\text{ }NaC{{O}_{3}}\]
  done clear
  C)
                          \[0.1M\text{ }N{{H}_{4}}OH\]
  done clear
  D)
                          \[0.1M\text{ }NaCl\]
  done clear
  View Answer play_arrow

• question_answer172) Which one of the following reaction will not affected by increases in pressure?
  A)
   \[2{{H}_{2}}+{{O}_{2}}\xrightarrow{{}}2{{H}_{2}}O\]
  done clear
  B)
                          \[{{N}_{2}}\text{+}3{{H}_{2}}\xrightarrow{{}}2N{{H}_{3}}\]
  done clear
  C)
                          \[2Cu+S\xrightarrow{{}}C{{u}_{2}}S\]
  done clear
  D)
                          \[{{H}_{2}}+{{I}_{2}}\xrightarrow{{}}2HI\]
  done clear
  View Answer play_arrow

• question_answer173) In which of the following is simple salt?
  A)
   \[NaOH\]                           
  done clear
  B)
                          \[NaCl\]
  done clear
  C)
                          \[N{{a}_{2}}C{{O}_{3}}\]                             
  done clear
  D)
                          \[NaCN\]
  done clear
  View Answer play_arrow

• question_answer174) \[X+{{I}_{2}}+NaOH\xrightarrow{{}}\]not iodo form, X is:
  A)
   \[{{C}_{2}}{{H}_{5}}OH\]             
  done clear
  B)
                          \[C{{H}_{3}}OH\]
  done clear
  C)
                          \[CH3CHO\]     
  done clear
  D)
                          \[C{{H}_{3}}COC{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer175) Which one of the following does not has its magnetic moments value equal to \[5.9\] Bohr magneton:
  A)
   \[C{{r}^{+}}\]                   
  done clear
  B)
                          \[M{{n}^{+2}}\]
  done clear
  C)
                          \[F{{e}^{+3}}\]                                
  done clear
  D)
                          \[C{{O}^{+3}}\]
  done clear
  View Answer play_arrow

• question_answer176) The value of \[{{K}_{c}}\] for this reaction is: \[A+B2C+D\]:
  A)
   \[K=\frac{{{[C]}^{2}}[D]}{[A][B]}\]
  done clear
  B)
                          \[{{K}_{c}}=\frac{[A][B]}{[C][D]}\]
  done clear
  C)
                          both (a) and (b)
  done clear
  D)
                          none of these
  done clear
  View Answer play_arrow

• question_answer177) The rule of full filling the orbit obey:
  A)
   Aufbaus
  done clear
  B)
                                 Hund
  done clear
  C)
                          Pauli          
  done clear
  D)
                          Heisenberg
  done clear
  View Answer play_arrow

• question_answer178) The bond having least polar nature is:
  A)
   \[H-O\]         
  done clear
  B)
                          \[H-F\]
  done clear
  C)
                          \[H-Cl\]
  done clear
  D)
                          \[H-S\]
  done clear
  View Answer play_arrow

• question_answer179)  X is:
  A)
   \[B{{r}_{2}}\] (Br water)  
  done clear
  B)
                          \[~NaBr\]
  done clear
  C)
                          \[HBr\]         
  done clear
  D)
                          \[KBr\]
  done clear
  View Answer play_arrow

• question_answer180) Which chemical is released by vagus nerve to stow down the heart beat?
  A)
   Adrenalin                          
  done clear
  B)
   Acetyichotine
  done clear
  C)
   Nor epinephrine            
  done clear
  D)
   Epinephrine
  done clear
  View Answer play_arrow

• question_answer181) Pacinian corpuscles are receptor of:
  A)
   Deep pressure                
  done clear
  B)
   Pain
  done clear
  C)
   Temperature                   
  done clear
  D)
   Hearing
  done clear
  View Answer play_arrow

• question_answer182) Two homologous chromosome are connected at:
  A)
   telomere
  done clear
  B)
   chromomere
  done clear
  C)
   centromere      
  done clear
  D)
   sineptonemal mixture
  done clear
  View Answer play_arrow

• question_answer183) Which of the following plant lipid forms essential part of a good diet?
  A)
   Linolic acid                         
  done clear
  B)
   Palmittic acid
  done clear
  C)
   Oleic acid                           
  done clear
  D)
   Stearic acid
  done clear
  View Answer play_arrow

• question_answer184) Endomitosis is related with:           
  A)
   mitosis of chromosomes in the presence of nuclear membrane
  done clear
  B)
   mitosis without nucleus
  done clear
  C)
   mitosis in uterine wall
  done clear
  D)
   frequent mitosis                   
  done clear
  View Answer play_arrow

• question_answer185) Which activity occurs first during the development of an egg?
  A)
   Induction           
  done clear
  B)
   Differential growth
  done clear
  C)
   Polarity           
  done clear
  D)
   Gastrulatron  
  done clear
  View Answer play_arrow

• question_answer186) Waste material in Amoeba is taken out by:
  A)
   ptasmalemma                                 
  done clear
  B)
   cytoplasm
  done clear
  C)
   nephron                            
  done clear
  D)
   vacuole
  done clear
  View Answer play_arrow

• question_answer187) Red and white pulp tissue are the parts of:
  A)
   spleen                                
  done clear
  B)
   muscle fibre
  done clear
  C)
   lymph layer      
  done clear
  D)
          lymph nodules
  done clear
  View Answer play_arrow

• question_answer188) Pick out the pair of essential (indespensibic) amino acid:
  A)
   leucine and glycine
  done clear
  B)
   valin and histidine
  done clear
  C)
   tryptophtin and glutamic acid
  done clear
  D)
   lycine and phenyl alanine
  done clear
  View Answer play_arrow

• question_answer189) Right auricle of the mammalian heart release blood through :
  A)
   tricuspid valve
  done clear
  B)
   vena cava
  done clear
  C)
   pulmonary aorta
  done clear
  D)
         mitral valve
  done clear
  View Answer play_arrow

• question_answer190) Adrenal medulla is derived from:
  A)
   ectoderm                          
  done clear
  B)
   mosoderm
  done clear
  C)
   endoderm        
  done clear
  D)
          both a and c
  done clear
  View Answer play_arrow

• question_answer191) Millipede (Julus) and Centipede (Scolopendra) are included in:
  A)
   Arachnida                          
  done clear
  B)
   Myriapoda
  done clear
  C)
   Scaphopoda     
  done clear
  D)
          Palecypoda
  done clear
  View Answer play_arrow

• question_answer192) Which of the following pair include oldest and primitive vertebraites?
  A)
   Amphioxus and Herdmania
  done clear
  B)
   Doliolum and Scoliodon
  done clear
  C)
   Balanoglossus and Salpa
  done clear
  D)
   Petromyzon and Myxine
  done clear
  View Answer play_arrow

• question_answer193) Mitotic prophase is characterized by:
  A)
   condensation of chromosome
  done clear
  B)
   disappearance of nucleolus
  done clear
  C)
   formation of meta phasic plate
  done clear
  D)
   division of centromere
  done clear
  View Answer play_arrow

• question_answer194) Purkinje fibres are present in:
  A)
   mammalian heart
  done clear
  B)
   voluntary muscles
  done clear
  C)
   cerebral cortex
  done clear
  D)
   ampullae of semi-circular canal of internal ear
  done clear
  View Answer play_arrow

• question_answer195) The sound reception can be interpreted by:
  A)
   olfactory lobe   
  done clear
  B)
   cerebral hemisphere
  done clear
  C)
   cerebellum    
  done clear
  D)
   medulla oblongata
  done clear
  View Answer play_arrow

• question_answer196) Ciliated epithelium lines the :
  A)
   tracheal and fallopian tube
  done clear
  B)
   bile duct and ureter epithelium
  done clear
  C)
   trachea and oesophagus
  done clear
  D)
   pharyngeal and stomach mucosae
  done clear
  View Answer play_arrow

• question_answer197) Sperm penetration bring changes in ova, is:
  A)
   formation of first polar body
  done clear
  B)
   I-meiosis
  done clear
  C)
   II-meiosis
  done clear
  D)
   formation of pronuclei
  done clear
  View Answer play_arrow

• question_answer198) Which of the foetal membrane is directly connected with blood?
  A)
   Allantoic                             
  done clear
  B)
   Amnion
  done clear
  C)
   Chorion              
  done clear
  D)
          Yolk sac
  done clear
  View Answer play_arrow

• question_answer199) Chief cells of the gastric glands secreting zymogen, have well developed :
  A)
   smooth ER                        
  done clear
  B)
   rough ER
  done clear
  C)
   mitochondria  
  done clear
  D)
          lysosome
  done clear
  View Answer play_arrow

• question_answer200) Removal of thymus gland in the early life of an experimental mammal will cause :
  A)
   lack of lymphocytes
  done clear
  B)
   lack of antibodies
  done clear
  C)
   lack of lymph nodes and lymph vessels
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer201) How many embryonic segments fuse to form head of adult Cockroach?
  A)
   4                                            
  done clear
  B)
   6    
  done clear
  C)
   8                            
  done clear
  D)
          10
  done clear
  View Answer play_arrow

• question_answer202) In which of the following eggs meroblastic cleavage occurs?
  A)
   isolecithal                          
  done clear
  B)
   microlecithal
  done clear
  C)
   centrolecithal                  
  done clear
  D)
   telolecithal
  done clear
  View Answer play_arrow

• question_answer203) Craniostylic jaw suspensor is found in:
  A)
   Shark
  done clear
  B)
   Limbless amphibians
  done clear
  C)
   Flightless birds
  done clear
  D)
   Rabbit
  done clear
  View Answer play_arrow

• question_answer204) Which two extra cranial nerves are present in amniotes?
  A)
   Laryngoal and hypoglossal
  done clear
  B)
   Spinal accessory and hypoglossal
  done clear
  C)
   Hypoglossal and facial
  done clear
  D)
   Trigeminal and glossopharyngeal
  done clear
  View Answer play_arrow

• question_answer205) Function of spermatheca in Earthworm is:
  A)
   sperm maturation
  done clear
  B)
   collection of sperms of same animal
  done clear
  C)
   collection of sperms of other animal
  done clear
  D)
   fertilization
  done clear
  View Answer play_arrow

• question_answer206) Name the mammalian tissue which has no power of regeneration after damage/injury:
  A)
   peripheral nervous tissue
  done clear
  B)
   skin epidermis
  done clear
  C)
   tendon
  done clear
  D)
   smooth muscles
  done clear
  View Answer play_arrow

• question_answer207) \[{{N}_{2}}\] waste in the form of uric acid is excreted by:
  A)
   Amoeba                             
  done clear
  B)
   Dog fish
  done clear
  C)
   Rabbit                 
  done clear
  D)
          Crow
  done clear
  View Answer play_arrow

• question_answer208) \[C{{O}_{2}}\] is mainly transported by:
  A)
   respiratory pigment
  done clear
  B)
   dissolution of gases
  done clear
  C)
   \[{{O}_{2}}\] taken by tissues
  done clear
  D)
   bicarbonates
  done clear
  View Answer play_arrow

• question_answer209) Notochord is present in the larva of:
  A)
   Herdmania      
  done clear
  B)
   Cephalodiscus
  done clear
  C)
   Balanoglossus                 
  done clear
  D)
   Amphioxus
  done clear
  View Answer play_arrow

• question_answer210) In telophase of mitosis :
  A)
   chromosomes arrange in the middle of cell
  done clear
  B)
   chromosome fibres become clear
  done clear
  C)
   chromosomes condense at opposite pole
  done clear
  D)
   disappearence of nuclear membrane
  done clear
  View Answer play_arrow

• question_answer211) The most primitive type of mammalian placenta is :
  A)
   epithelio             - chorial               
  done clear
  B)
   syndesmo          - chorial
  done clear
  C)
   endothelio         - chorial
  done clear
  D)
   haemo                 - chorial
  done clear
  View Answer play_arrow

• question_answer212) What will the RNA code, if the DNA codes ATG?
  A)
   ATG                                     
  done clear
  B)
   AUG
  done clear
  C)
   UAC                     
  done clear
  D)
          TAC
  done clear
  View Answer play_arrow

• question_answer213) Correct member of the phyla is :
  A)
   Arthropoda       - Arachnida         - Lobstar
  done clear
  B)
   Arthropoda       - Myriapoda       - Scorpion
  done clear
  C)
   Mollusca             - Cephalopoda - Octopus
  done clear
  D)
   Mollusca             - Gastropoda     - Squid
  done clear
  View Answer play_arrow

• question_answer214) Phylum mollusca can be differentiated from other invertebrates by having:
  A)
   bilateral symmetry and external skeleton
  done clear
  B)
   mantle and gill
  done clear
  C)
   shell and non segmented body
  done clear
  D)
   mantle and non segmented body
  done clear
  View Answer play_arrow

• question_answer215) Micro and macro nucleus are found in:
  A)
   Entamoeba and Plasmodium
  done clear
  B)
   Euglena and Volvox
  done clear
  C)
   Paramecium and Vorticella
  done clear
  D)
   Entamoeba and Vorticella
  done clear
  View Answer play_arrow

• question_answer216) Biceps are attached with:
  A)
   radius                                  
  done clear
  B)
   ulna
  done clear
  C)
   femur                 
  done clear
  D)
          scapula
  done clear
  View Answer play_arrow

• question_answer217) Symptom of paroxysm in malaria (infection) are dipicted in stage:
  A)
   sporozoite
  done clear
  B)
   gametocyte
  done clear
  C)
   pre erythrocytic cycle
  done clear
  D)
   erythrocytic cycle
  done clear
  View Answer play_arrow

• question_answer218) Cell membrane spents energy in:
  A)
   movement of solute from lower to higher concentration
  done clear
  B)
   diffusion of gases
  done clear
  C)
   movement of solute from high to lower concentration
  done clear
  D)
   movement of solvent
  done clear
  View Answer play_arrow

• question_answer219) DNA gets doubled in :
  A)
   \[{{G}_{1}}\] phase                       
  done clear
  B)
   S phase
  done clear
  C)
   \[{{G}_{2}}\] phase                       
  done clear
  D)
   M phase
  done clear
  View Answer play_arrow

• question_answer220) Which of the following order is correct for layers from outer to inner in Ascariss body wall?
  A)
   Cuticle, epidermis, longitudinal and circular muscle
  done clear
  B)
   Cuticle, epidermis, longitudinal muscles
  done clear
  C)
   Epidermis, cuticle, longitudinal and circular muscle
  done clear
  D)
   Epidermis, longitudinal, cuticle and circular muscles
  done clear
  View Answer play_arrow

• question_answer221) Uicondylic skull with 10 pairs of cranial nerves is present in:
  A)
   Pisces                                  
  done clear
  B)
   Amphibia
  done clear
  C)
   Reptilia               
  done clear
  D)
          Mammalia
  done clear
  View Answer play_arrow

• question_answer222) In Frog embryo, spreading of the layer of presumptive ectodermal cells on the underlying mass of cells is called:
  A)
   epiboly                               
  done clear
  B)
   invagination
  done clear
  C)
   ingcssion            
  done clear
  D)
          delamination
  done clear
  View Answer play_arrow

• question_answer223) Which of the following harmful substance found in blood are changed into harmless by Ornithine cycle?   
  A)
   \[C{{O}_{2}}\] and \[N{{H}_{2}}-CO-N{{H}_{2}}\]
  done clear
  B)
   \[C{{O}_{2}}\] and \[N{{H}_{2}}\]               
  done clear
  C)
   \[N{{H}_{3}}\] and \[N{{H}_{2}}-CO-N{{H}_{2}}\]
  done clear
  D)
   \[N{{H}_{3}}\] and uric acid
  done clear
  View Answer play_arrow

• question_answer224) What will happen if corpora allata is disccted out from the nymph of an insect nymph will?
  A)
   Become adult
  done clear
  B)
   Immediately metamorphosis into second nymph and will remain in that stage
  done clear
  C)
   Die after some time
  done clear
  D)
   Remain nymph for long life
  done clear
  View Answer play_arrow

• question_answer225) Exposed surface of the human body is covered by the tissue:
  A)
   glandular epithelium
  done clear
  B)
   straited squamous epithelium
  done clear
  C)
   ciliated epithelium
  done clear
  D)
   epidermis
  done clear
  View Answer play_arrow

• question_answer226) In which of the following group, alimentary canal is absent?
  A)
   Taenia, Schistosoma
  done clear
  B)
   Ascaris, Fusciola
  done clear
  C)
   Taenia, Echinococcus
  done clear
  D)
   Trichuris, Fasciola
  done clear
  View Answer play_arrow

• question_answer227) How many types of gamete will form by Aa Bb Cc cell?
  A)
   2                                            
  done clear
  B)
   4    
  done clear
  C)
   8                            
  done clear
  D)
          16
  done clear
  View Answer play_arrow

• question_answer228) Sharpeys fibres are invaded in:
  A)
   collagen                             
  done clear
  B)
   muscle
  done clear
  C)
   bone                   
  done clear
  D)
          skin
  done clear
  View Answer play_arrow

• question_answer229) Too short eye ball and too flat lens produce:
  A)
   near sightedness           
  done clear
  B)
   far sightness
  done clear
  C)
   astigmatism      
  done clear
  D)
          presshyopia
  done clear
  View Answer play_arrow

• question_answer230) The reabsorption of ions by tubules of kidney is enhanced by :
  A)
   cortisol                               
  done clear
  B)
   aldosterone
  done clear
  C)
   calciferol            
  done clear
  D)
          erythropeitin
  done clear
  View Answer play_arrow

• question_answer231) Flat membranous bag (cisternae) is characterized in :
  A)
   mitochondria                   
  done clear
  B)
   golgi bodies
  done clear
  C)
   peroxisome
  done clear
  D)
   endoplasmic reticulum
  done clear
  View Answer play_arrow

• question_answer232) How many high phosphate bonds are consumed during glucose formation from pyruvate?
  A)
   4                                            
  done clear
  B)
   8    
  done clear
  C)
   16                         
  done clear
  D)
          32
  done clear
  View Answer play_arrow

• question_answer233) Collection and disperssion of embryonic cell is called :
  A)
   differentiation                
  done clear
  B)
   induction
  done clear
  C)
   morphogenesis
  done clear
  D)
          blastomy
  done clear
  View Answer play_arrow

• question_answer234) Intron is:
  A)
   the part of DNA which codes for protein synthesis
  done clear
  B)
   a part of DNA which do not join in m-RNA
  done clear
  C)
   part which helps to Join pieces of DNA
  done clear
  D)
   the part of DNA which do not code for protein synthesis
  done clear
  View Answer play_arrow

• question_answer235) Find out the correct pair of phylum example :
  A)
   Echinodermata - Cuttle fish
  done clear
  B)
   Arthropoda - Silver fish
  done clear
  C)
   Pisces - Jelly fish
  done clear
  D)
   Mollusca - Star fish
  done clear
  View Answer play_arrow

• question_answer236) Blood pressure and activity of non-straited muscles arc dependent on the hormone secretion of:
  A)
   anterior lobe of pituitary gland
  done clear
  B)
   middle lobe of pituitary gland
  done clear
  C)
   posterior lobe of pituitary gland
  done clear
  D)
   adrenal cortex
  done clear
  View Answer play_arrow

• question_answer237) Which of the following pair is monosaccharide?
  A)
   Glucose and sucrose
  done clear
  B)
   Ribose and maltose
  done clear
  C)
   Fructose and glucose
  done clear
  D)
   Ribose and sucrose
  done clear
  View Answer play_arrow

• question_answer238) Cell body (soma) of motor nerves is situated in:
  A)
   dorsal root of spinal cord
  done clear
  B)
   dorsal horn of spinal cord
  done clear
  C)
   ventral and lateral horn of spinal cord
  done clear
  D)
   ventral root of spinal nerve
  done clear
  View Answer play_arrow

• question_answer239) Micro villi of intestine serve to:
  A)
   release of digestive enzyme
  done clear
  B)
   increase membrane area for absorption
  done clear
  C)
   protect cells from invading micro-organism
  done clear
  D)
   establish inter-cellular contact
  done clear
  View Answer play_arrow

• question_answer240) Which of the following is incorrect regarding insect?
  A)
   Cephalization and jointed appandages
  done clear
  B)
   Chitinous exoskeleton and wings
  done clear
  C)
   Cephalization and complete metamorphosis
  done clear
  D)
   Well developed sensory organs and haemocoel
  done clear
  View Answer play_arrow

• question_answer241) Animals bearing numerous (multiple) setae, arc included in class:
  A)
   Hirudinea          
  done clear
  B)
          Oligochaeta
  done clear
  C)
   Polychaeta                        
  done clear
  D)
   Onchyophora
  done clear
  View Answer play_arrow

• question_answer242) Which of the following has haploid chromosome?
  A)
   Oogonia
  done clear
  B)
   Primary oocyte
  done clear
  C)
   Secondary oocyte
  done clear
  D)
   Primary spermatocyte
  done clear
  View Answer play_arrow

• question_answer243) Organ of corti includes:
  A)
   scala vestibular               
  done clear
  B)
   scala media
  done clear
  C)
   semicircular canal           
  done clear
  D)
   sensory hair
  done clear
  View Answer play_arrow

• question_answer244) Cortex medulla and membrane labyrinth of vertebrates is formed of:
  A)
   ectoderm 
  done clear
  B)
                          endoderm
  done clear
  C)
   mesoderm                        
  done clear
  D)
   both b and c
  done clear
  View Answer play_arrow

• question_answer245) Chief cell of gastric gland are:
  A)
   simple tubular
  done clear
  B)
   coiled tubular
  done clear
  C)
   branched tubular           
  done clear
  D)
   compound tubular
  done clear
  View Answer play_arrow

• question_answer246) In male mammals primary germ cell is formed by:
  A)
   cortex of testis                
  done clear
  B)
   medulla of testis
  done clear
  C)
   germinal epithelium
  done clear
  D)
   apical part of embryo
  done clear
  View Answer play_arrow

• question_answer247) Before cellular respiration, amino acid undergo the process of:
  A)
   decarboxylation             
  done clear
  B)
   hydrolysis
  done clear
  C)
   deamination                    
  done clear
  D)
   phosphorylation
  done clear
  View Answer play_arrow

• question_answer248) Antennae of Cockroach function as:
  A)
   tactile and sensory receptor
  done clear
  B)
   gustatory receptor
  done clear
  C)
   auditory receptor          
  done clear
  D)
   olfactory receptor
  done clear
  View Answer play_arrow

• question_answer249) Male Cockroach can be identified by:
  A)
   anal style                           
  done clear
  B)
   anal cerci
  done clear
  C)
   antennae          
  done clear
  D)
          wings
  done clear
  View Answer play_arrow

• question_answer250) Characteristic of autotomy (leaving an external body organ by own) is found in :
  A)
   Lizards                                
  done clear
  B)
   Snakes
  done clear
  C)
   Frogs                   
  done clear
  D)
          Cockroaches
  done clear
  View Answer play_arrow

• question_answer251) In which form iron is present in haemoglobin?
  A)
   Ionic                                    
  done clear
  B)
   Unionic
  done clear
  C)
   \[F{{e}^{2+}}\]
  done clear
  D)
   \[F{{e}^{+3}}\]
  done clear
  View Answer play_arrow

• question_answer252) Nephrostome is a component of:
  A)
   septal nephridia
  done clear
  B)
   integumentary nephridia
  done clear
  C)
   pharyngeal and septal nephridia
  done clear
  D)
   pharyngeal   and   integumentary nephridia
  done clear
  View Answer play_arrow

• question_answer253) Diabetes insipedus is caused by the deficiency of hormone:
  A)
   insulin                                 
  done clear
  B)
   vasopressin
  done clear
  C)
   glucagon            
  done clear
  D)
          oxytocin
  done clear
  View Answer play_arrow

• question_answer254) Gastric glands of mammals are:
  A)
   simple tubular
  done clear
  B)
   simple coiled tubular
  done clear
  C)
   branched tubular
  done clear
  D)
   compound tubular
  done clear
  View Answer play_arrow

• question_answer255) Bones of pelvic girdle forms a cavity in which head of the femur is fitted are:
  A)
   ilium only           
  done clear
  B)
          ilium and is chium
  done clear
  C)
   ilium, ischium and pubis
  done clear
  D)
   ischium and pubis
  done clear
  View Answer play_arrow

• question_answer256) Lactose is compose of:
  A)
   glucose + fructose
  done clear
  B)
   glucose + galactose
  done clear
  C)
   galactose + mannose
  done clear
  D)
   fructose + galactose
  done clear
  View Answer play_arrow

• question_answer257) Genus Aedes of mosquito is a vector of:
  A)
   filaria                                   
  done clear
  B)
   plague
  done clear
  C)
   dengue fever   
  done clear
  D)
          elephantiasis
  done clear
  View Answer play_arrow

• question_answer258) Thyroidectomised tadpole will metamorphosis by the administration of:
  A)
   TSH                                      
  done clear
  B)
   thyroxine
  done clear
  C)
   pituitary extract              
  done clear
  D)
   iodine
  done clear
  View Answer play_arrow

• question_answer259) Which part of the human eye adjusts the focal length of lens?
  A)
   Cornea                               
  done clear
  B)
   Aquous humour
  done clear
  C)
   Conjunctive                      
  done clear
  D)
   Ciliary body
  done clear
  View Answer play_arrow

• question_answer260) Function of t-RNA is to:
  A)
   copy the genetic code from DNA in nucleus
  done clear
  B)
   collection of RNA in ribosome
  done clear
  C)
   carry amino acids to ribosomes
  done clear
  D)
   transfer of gentic code from nucleus to cytoplasm
  done clear
  View Answer play_arrow

• question_answer261) Which of the following is a connecting link between two phylum?
  A)
   Archneopteryx -Aves and Mammalia
  done clear
  B)
   Amphioxus-Echinodermata   and Chordata
  done clear
  C)
   Ornithorhynchus -Aves and Reptilia
  done clear
  D)
   Peripatus -Annelida and Arthropoda
  done clear
  View Answer play_arrow

• question_answer262) A parasite in absence of host, become saprophytic. It is termed as :
  A)
   obligate parasite
  done clear
  B)
   facultative parasite
  done clear
  C)
   obligate saprophyte
  done clear
  D)
   facultative saprophyte
  done clear
  View Answer play_arrow

• question_answer263) Which of the following groups cause relapse malaria?
  A)
   Plasmodium falciparum and Plasmodium vivax
  done clear
  B)
   Plasmodium ovale and Plasmodium vivax
  done clear
  C)
   Plasmodium falciparum and Plasmodium ovale
  done clear
  D)
   Only Plasmodium falciparum
  done clear
  View Answer play_arrow

• question_answer264) Chloragogen cells are present in:
  A)
   Taenia                                
  done clear
  B)
   Earthworm
  done clear
  C)
   Hydra                  
  done clear
  D)
          Sycon
  done clear
  View Answer play_arrow

• question_answer265) Smooth endoplasmic reticulum is mainly found in cell which is actively engaged in:
  A)
   lipid metabolism             
  done clear
  B)
   catabolic activity
  done clear
  C)
   protein               
  done clear
  D)
          secreting activity
  done clear
  View Answer play_arrow

• question_answer266) Nucleolus is a:
  A)
   round structure present near the nucleus in cytoplasm
  done clear
  B)
   round structure composed of r-RNA situated in the nucleus
  done clear
  C)
   rod-shaped structure present near the nucleus in cytoplasm
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer267) Features of acraniate vertebrates are:
  A)
   median and paired fins, 7 gill slits and acoelous vertebral column
  done clear
  B)
   paired fin, 5 gill slits, coelous vertebral column
  done clear
  C)
   median fin, 7 gill slits, acoelous vertebral column
  done clear
  D)
   median fin, 5 gill slits, and coelous vertebral column
  done clear
  View Answer play_arrow

• question_answer268) Lower jaw of Rabbit articulates with :
  A)
   jugal                                    
  done clear
  B)
   alisphenoid
  done clear
  C)
   squamosal                        
  done clear
  D)
   parietal
  done clear
  View Answer play_arrow

• question_answer269) Which of the following is not an odd digitate pentadacythlus?
  A)
   Donkey                              
  done clear
  B)
   Came
  done clear
  C)
   Zebra                  
  done clear
  D)
          Rhinoceros
  done clear
  View Answer play_arrow

• question_answer270) Function of ccdysone hormone in insect is:
  A)
   the growth and development of larva
  done clear
  B)
   the maturation into adult and laying eggs
  done clear
  C)
   to carry moulting in larval stage to form pupa
  done clear
  D)
   the secretion of cuticle in adult
  done clear
  View Answer play_arrow

• question_answer271) Which of the spiracles in Cockroach are larger keep open always?
  A)
   First and second pair    
  done clear
  B)
   First and third pair
  done clear
  C)
   First and tenth pair
  done clear
  D)
   Second and third pair
  done clear
  View Answer play_arrow

• question_answer272) Number of juvenile stages form during development of fertilized egg into adult Ascaris are:
  A)
   1                                            
  done clear
  B)
   2    
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer273) Type of sexual reproduction in Protists, bearing diploid chromosome, is:
  A)
   zygotic meiosis
  done clear
  B)
   binary fission
  done clear
  C)
   cyst formation
  done clear
  D)
   gametangial meiosis
  done clear
  View Answer play_arrow

• question_answer274) Glomerular area of adrenal cortex is responsible for:
  A)
   water and electrolyte balance
  done clear
  B)
   carbohydrate metabolism
  done clear
  C)
   steroid and hormone secretion
  done clear
  D)
   blood pressure
  done clear
  View Answer play_arrow

• question_answer275) The sign of osmotic potential is:
  A)
   (-)                                         
  done clear
  B)
  (+)  
  done clear
  C)
  (x)                         
  done clear
  D)
          (÷)
  done clear
  View Answer play_arrow

• question_answer276) Mendel was not imagine about which of the following?
  A)
   Linkage
  done clear
  B)
   Incomplete dominance
  done clear
  C)
   Dominance                       
  done clear
  D)
   Segregation of alleles
  done clear
  View Answer play_arrow

• question_answer277) Which of the following gas is used for ripening of fruits?
  A)
   Nitrogen            
  done clear
  B)
          Oxygen
  done clear
  C)
   Ethylene      
  done clear
  D)
          Acetylene
  done clear
  View Answer play_arrow

• question_answer278) Hold fast cell of Ulothrix shows as a:
  A)
   companion cell
  done clear
  B)
          dead cell
  done clear
  C)
   division of labour
  done clear
  D)
         none of these
  done clear
  View Answer play_arrow

• question_answer279) The autosomes are:
  A)
   somatic chromosomes
  done clear
  B)
   sexual chromosomes
  done clear
  C)
   asexual chromosome
  done clear
  D)
   both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer280) Sun hemp is obtained from:
  A)
   Crotalaria jumcea          
  done clear
  B)
   Linum usitatiseinum
  done clear
  C)
   Cochorus capsularis
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer281) Palenology is the study of:
  A)
   morphology of pollens
  done clear
  B)
   germination of pollens
  done clear
  C)
   development of pollens
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer282) The reaction of indole acetic acid (IAA) was tested by:
  A)
   avena curvature test
  done clear
  B)
   soybean callous test
  done clear
  C)
   \[\alpha \]-amylase test
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer283) The main characteristic of bryophyta is:
  A)
   spore formation
  done clear
  B)
   absence of roots
  done clear
  C)
   absence of vascular bundle
  done clear
  D)
   dependence of  sporophyte  on gametophyte
  done clear
  View Answer play_arrow

• question_answer284) Crossing over takes place between:
  A)
   unequal chromatids
  done clear
  B)
   equal chromatids
  done clear
  C)
   any two chromatids
  done clear
  D)
   homologous chromosomes
  done clear
  View Answer play_arrow

• question_answer285) The enzyme involved in fixation of \[C{{O}_{2}}\] in \[{{C}_{4}}\] plants is:
  A)
   PEP carboxylase
  done clear
  B)
          Ru DP carboxylase
  done clear
  C)
   RuDP oxydase                 
  done clear
  D)
   both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer286) Cell organelle covered by single unit membrane is:
  A)
   lysosome    
  done clear
  B)
                          nucleus
  done clear
  C)
   chloroplast        
  done clear
  D)
          mitochondria
  done clear
  View Answer play_arrow

• question_answer287) Vegetative reproduction in Cycas occurs by:
  A)
   bulbils                                 
  done clear
  B)
   sporophylls
  done clear
  C)
   fission                 
  done clear
  D)
          scale leaves
  done clear
  View Answer play_arrow

• question_answer288) Suspensor is a part of:
  A)
   developing embryo      
  done clear
  B)
   mature embryo
  done clear
  C)
   germinating embryo     
  done clear
  D)
   endosperm
  done clear
  View Answer play_arrow

• question_answer289) Deposition of which of the following material takes place on casparian strip:
  A)
   Lignin   
  done clear
  B)
                          Cutin
  done clear
  C)
   Suberin              
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer290) Fungus used in genetical experiments is:
  A)
   Neurospora     
  done clear
  B)
   Rhizopus
  done clear
  C)
   Mucor                 
  done clear
  D)
          Anbaena   
  done clear
  View Answer play_arrow

• question_answer291)   Symbiotic relationship between blue-green algae and fungus is called:
  A)
   mycorrhiza                        
  done clear
  B)
   lichen
  done clear
  C)
   bryophyta         
  done clear
  D)
          gymnosperm
  done clear
  View Answer play_arrow

• question_answer292) The reason of heteros is formation in plants is:
  A)
   crossing between unrelated plants
  done clear
  B)
   vegetative reproduction
  done clear
  C)
   colchicine
  done clear
  D)
   treatment with mutagen
  done clear
  View Answer play_arrow

• question_answer293) Edible oil is obtained from which legumenous plant:
  A)
   Glycine max                     
  done clear
  B)
   Ricinus communis
  done clear
  C)
   Vigna sinensis                 
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer294) Photosynthesis takes place maximum in light of:
  A)
   white colour                     
  done clear
  B)
   red colour
  done clear
  C)
   voilet colour    
  done clear
  D)
          green colour
  done clear
  View Answer play_arrow

• question_answer295) Asafoctida (Heeng) obtains from:
  A)
   root secretion                 
  done clear
  B)
   leaf
  done clear
  C)
   seed                    
  done clear
  D)
          fruit
  done clear
  View Answer play_arrow

• question_answer296) Mesophyll of dorsiventral leaf is consist of only spongy mesophyll
  A)
   palisade tissue
  done clear
  B)
   spongy parenchyma and palisade
  done clear
  C)
   tissue                          
  done clear
  D)
   sometimes spongy and sometimes palisade tissue
  done clear
  View Answer play_arrow

• question_answer297) The shape of stomata in Cynodon dactylon (doob) is:                          
  A)
   oval                                      
  done clear
  B)
   heart shaped 
  done clear
  C)
   dumb-bell shaped         
  done clear
  D)
   none of these  
  done clear
  View Answer play_arrow

• question_answer298) Infolding of plasma membrane in gram (+ve) bacterial cell is called:
  A)
   mesosome                       
  done clear
  B)
   rcticulum    
  done clear
  C)
   lamellae             
  done clear
  D)
          cristae
  done clear
  View Answer play_arrow

• question_answer299) Adventitious roots originates from which part of the stem :
  A)
   epidermis                          
  done clear
  B)
   cortex
  done clear
  C)
   pericycle            
  done clear
  D)
          endodermis
  done clear
  View Answer play_arrow

• question_answer300) After virus infection host cell secretes a substance for their resistance is known as:
  A)
   aflatoxins                          
  done clear
  B)
   antibody
  done clear
  C)
   interferons       
  done clear
  D)
          antigen
  done clear
  View Answer play_arrow

• question_answer301) Who proposed the principle of limiting factors?
  A)
   Hill                                        
  done clear
  B)
   Blackmann
  done clear
  C)
   Amon                  
  done clear
  D)
          Liebig
  done clear
  View Answer play_arrow

• question_answer302) Characteristics of xerophytes are:
  A)
   long roots                          
  done clear
  B)
   thick epidermis
  done clear
  C)
   sunken stomata
  done clear
  D)
          all of the above
  done clear
  View Answer play_arrow

• question_answer303) Characteristic of hydrophyte is:
  A)
   well developed roots
  done clear
  B)
   well developed xylem
  done clear
  C)
   less developed roots
  done clear
  D)
   well developed stem with sclerenchymatous tissue
  done clear
  View Answer play_arrow

• question_answer304) Which of the following follows Chargaff rule?
  A)
  \[\text{A+G=T+C}\]       
  done clear
  B)
         \[\text{A=C}\]
  done clear
  C)
  \[\text{G=T}\]                  
  done clear
  D)
         \[\frac{\text{A+T}}{\text{G+C}}\text{=1}\]
  done clear
  View Answer play_arrow

• question_answer305) Function of cytokinin is:
  A)
   induction of cell division and delay in senescence
  done clear
  B)
   induction of dormancy
  done clear
  C)
   inhibiting the abscission
  done clear
  D)
   inhibiting the cell division
  done clear
  View Answer play_arrow

• question_answer306) The endosperm of gymnosperm is:
  A)
   haploid                               
  done clear
  B)
   diploid
  done clear
  C)
   triploid                
  done clear
  D)
          tetraploid
  done clear
  View Answer play_arrow

• question_answer307) Which type of embryo development occurs in Capsella ?
  A)
   Crucifer type                    
  done clear
  B)
   Solanoid type
  done clear
  C)
   Aestroid type
  done clear
  D)
   Mixed and irregular type
  done clear
  View Answer play_arrow

• question_answer308) Which of the following takes place in \[{{G}_{1}}\] of in terphase?
  A)
   Active synthesis of RNA
  done clear
  B)
   Active synthesis of protein
  done clear
  C)
   Active synthesis of DNA
  done clear
  D)
   Synthesis of RNA and protein
  done clear
  View Answer play_arrow

• question_answer309) Which type of movement is present in Mimosa pudica?
  A)
   Nycnastic                           
  done clear
  B)
   Seismonastic
  done clear
  C)
   Chemonastic   
  done clear
  D)
          Phototrophic
  done clear
  View Answer play_arrow

• question_answer310) Cotton is obtained from which part of the plant:
  A)
   fruit                                     
  done clear
  B)
   seed coat
  done clear
  C)
   pericarp             
  done clear
  D)
          embryo
  done clear
  View Answer play_arrow

• question_answer311) In eukaryotic cell, m-RNA synthesis takes place in:
  A)
   nucleus                              
  done clear
  B)
   nucleolus
  done clear
  C)
   cytoplasm
  done clear
  D)
   rough endoplasmic reticulum
  done clear
  View Answer play_arrow

• question_answer312) In which of the following manner distribution of stomata occurs in dorsiventral leaf?
  A)
   More in palisade tissue and less in spongy parenchyma
  done clear
  B)
   Equal in both palisade and spongy parenchyma
  done clear
  C)
   More in spongy parenchyma and less in palisade tissue
  done clear
  D)
   Absent in all of these
  done clear
  View Answer play_arrow

• question_answer313) Capselta shows characteristic of which of the following family?
  A)
   Cruciferae                         
  done clear
  B)
   Solanaceae
  done clear
  C)
   Liliaceae             
  done clear
  D)
          Compositae
  done clear
  View Answer play_arrow

• question_answer314) Chemical composition of protoplasm contains:
  A)
   O, C, H and N                   
  done clear
  B)
   O, N and Fe
  done clear
  C)
   O, protein and minerals
  done clear
  D)
   H, C and Fe
  done clear
  View Answer play_arrow

• question_answer315) In which of the following the pollen tube discharge their contents during fertilization?
  A)
   In synergid                        
  done clear
  B)
   In egg
  done clear
  C)
   In antipodals   
  done clear
  D)
          In embryo sac
  done clear
  View Answer play_arrow

• question_answer316) During conjugation the two bacterial cells attach with:
  A)
   pili                                        
  done clear
  B)
   flagella
  done clear
  C)
   cilia                       
  done clear
  D)
          hairs
  done clear
  View Answer play_arrow

• question_answer317) Group of genes present in an ecosystem is called as:
  A)
   genome             
  done clear
  B)
          gene pool
  done clear
  C)
   genotype          
  done clear
  D)
          phenotype
  done clear
  View Answer play_arrow

• question_answer318) The important thing for the formation of new species is:
  A)
   sexual reproduction
  done clear
  B)
   variations                          
  done clear
  C)
   inbreeding
  done clear
  D)
   reproductive isolcition
  done clear
  View Answer play_arrow

• question_answer319) Pigment innolved in the perception of the photo periodic stimulus is :
  A)
   cytochrome                      
  done clear
  B)
   phytochrome
  done clear
  C)
   chlorophyll        
  done clear
  D)
          carotenoids
  done clear
  View Answer play_arrow

• question_answer320) The special structure present in \[{{C}_{4}}\] plants is:
  A)
   thin cuticle
  done clear
  B)
   multi layered epidermis
  done clear
  C)
   Kranz type body
  done clear
  D)
   one layered epidermis
  done clear
  View Answer play_arrow

• question_answer321) White rust of Brassicu is caused by:
  A)
   Albugo candida
  done clear
  B)
   Ustilago
  done clear
  C)
   Phytophthera   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer322) Function of rough endoplasmic reticulum is:
  A)
   fat synthesis    
  done clear
  B)
   protein synthesis
  done clear
  C)
   starch synthesis
  done clear
  D)
          autolysis
  done clear
  View Answer play_arrow

• question_answer323) Which of the following is a viral causing disease?
  A)
   Leaf curl of Papaya        
  done clear
  B)
   Red rot of Sugarcane
  done clear
  C)
   Black rust of Wheat
  done clear
  D)
   Late blight of Potato
  done clear
  View Answer play_arrow

• question_answer324) If organic acids arc used as substrate what will be the value of R.Q?
  A)
   1                                            
  done clear
  B)
   > 1   
  done clear
  C)
   < 1
  done clear
  D)
                                          0
  done clear
  View Answer play_arrow

• question_answer325) Co-factor required for the formation of acetyle CoA is:
  A)
   TPP                                      
  done clear
  B)
   lipoic acid
  done clear
  C)
   \[M{{g}^{+2}}\] and CoA 
  done clear
  D)
                          all of the above
  done clear
  View Answer play_arrow

• question_answer326) All number of genotypes for Aa Bb Cc will be:
  A)
   8                                            
  done clear
  B)
   4    
  done clear
  C)
   12                         
  done clear
  D)
          16
  done clear
  View Answer play_arrow

• question_answer327) Tetradynamous androecium is found in:
  A)
   mustard                             
  done clear
  B)
   onion
  done clear
  C)
   tomato               
  done clear
  D)
          sunflower
  done clear
  View Answer play_arrow

• question_answer328) Cell wall of green algae is made up of:
  A)
   cellulose      
  done clear
  B)
   chitin
  done clear
  C)
   glycogen                            
  done clear
  D)
   muramic acid
  done clear
  View Answer play_arrow

• question_answer329) Hnploid number of chromosomes in a cell are 10, what will be the number of pairs of homologous chromosomes:
  A)
   5                                            
  done clear
  B)
   10   
  done clear
  C)
   15                         
  done clear
  D)
          20
  done clear
  View Answer play_arrow

• question_answer330) In mitochondria, enzymes responsible for Krebs cycle are present in :
  A)
   matrix                 
  done clear
  B)
   inner membrane
  done clear
  C)
   outer membrane
  done clear
  D)
         both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer331) Gymnospenn may be distinguish from angiospcrm by which of the following characteristic ?
  A)
   Absence of true seed
  done clear
  B)
   Absence of xerophytic nature
  done clear
  C)
   Absence of secondary growth
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer332) Phallogen is also referred as:
  A)
   pericycle                            
  done clear
  B)
   cork cambium
  done clear
  C)
   mcristem           
  done clear
  D)
          ratidom
  done clear
  View Answer play_arrow

• question_answer333) In ferns and mosses, movement of anthcrozoids towards female component is called:
  A)
   pholotaxis                         
  done clear
  B)
   chemotaxis
  done clear
  C)
   hydrotropism  
  done clear
  D)
          thigmotropism
  done clear
  View Answer play_arrow

• question_answer334) What will be the genotypic ratio of \[{{F}_{2}}\] generation in dihybrid cross:
  A)
   12 : 3 :1                               
  done clear
  B)
   9 : 3 : 3 : 1
  done clear
  C)
   1 : 2 : 2 : 4 : 1 : 2 : 1 : 2 : 1              
  done clear
  D)
   15 : 1
  done clear
  View Answer play_arrow

• question_answer335) Plasmid is a:
  A)
   fungus                                
  done clear
  B)
   plastid
  done clear
  C)
   part of plasma membrane
  done clear
  D)
   extra chromosomal DNA in bacterial cell
  done clear
  View Answer play_arrow

• question_answer336) The reason for apical do minance is:
  A)
   ethylene                            
  done clear
  B)
   auxin
  done clear
  C)
   cytokinin            
  done clear
  D)
          gibberellins
  done clear
  View Answer play_arrow

• question_answer337) Witches broom in Potato plant is caused by:
  A)
   bacteria                              
  done clear
  B)
   virus          
  done clear
  C)
   fungus                
  done clear
  D)
          mycoplasma
  done clear
  View Answer play_arrow

• question_answer338) Which of the following is monocarpic?
  A)
   Coconut                             
  done clear
  B)
   Mango
  done clear
  C)
   Apple                  
  done clear
  D)
          Bamboo
  done clear
  View Answer play_arrow

• question_answer339) A plant bearing different type of leaves is called:                               
  A)
   heterophylly                    
  done clear
  B)
   hetcrotrophy   
  done clear
  C)
   hetcrozygosity 
  done clear
  D)
          heteronasty   
  done clear
  View Answer play_arrow

• question_answer340) Prothallus of Pteridium bears:        
  A)
   anthcridia on upper surface anal archcgonia on lower surface        
  done clear
  B)
   anthcridia on lower surface and archegonia on upper surface
  done clear
  C)
   both archegonia and antheridia on upper surface
  done clear
  D)
   both antheridia and archegonia on lower surface
  done clear
  View Answer play_arrow

• question_answer341) Balloon like out growth formed in xylem vessels is called:
  A)
   tylosis     
  done clear
  B)
                          histogen
  done clear
  C)
   callus                   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer342) RNA molecule joins new nucleotides by which of the following bonds?
  A)
   Phospho diester bond
  done clear
  B)
   Polypeptide bond
  done clear
  C)
   Covalent bond
  done clear
  D)
          Hydrogen bond
  done clear
  View Answer play_arrow

• question_answer343) The rate of transpiration is measured by:
  A)
   micrometer                      
  done clear
  B)
   photometer
  done clear
  C)
   auxinometer   
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer344) Which of the following have correct group of Malvaceae members?
  A)
   Gossypium, Hibiscus, Abutilon
  done clear
  B)
   Gossypium, Brassica, Lycopersicum
  done clear
  C)
   Brassica, Gossypium, Hibiscus
  done clear
  D)
   Gossypium, Hibiscus, Lycopersicum
  done clear
  View Answer play_arrow

• question_answer345) The flow of the energy in an ecosystem is:
  A)
   unidirectional  
  done clear
  B)
   multidirectional
  done clear
  C)
   bidirectional    
  done clear
  D)
          irregular
  done clear
  View Answer play_arrow

• question_answer346) Which of the following is a part of a epidermal layer?
  A)
   Guard cell                          
  done clear
  B)
   Root hairs
  done clear
  C)
   Trichomes         
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer347) Respiratory roots and viviparous reproduction are the characteristic of:
  A)
   hydrophytes                    
  done clear
  B)
   xerophytes
  done clear
  C)
   mesophytes    
  done clear
  D)
          mangroves
  done clear
  View Answer play_arrow

• question_answer348) What is nucleosome?
  A)
   DNA wrapped around histone protein
  done clear
  B)
   RNA wrapped around histone protein
  done clear
  C)
   Polymer                             
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer349) The father of binomial nomenclature was:
  A)
   Linnaeus                            
  done clear
  B)
   Engler and Prantl
  done clear
  C)
   Bentham and Hooker   
  done clear
  D)
   Aristotle
  done clear
  View Answer play_arrow

• question_answer350) Living fossil is:
  A)
   Ephedra                             
  done clear
  B)
   Ginkgo biloba
  done clear
  C)
   Equisetum         
  done clear
  D)
          None of these
  done clear
  View Answer play_arrow

• question_answer351) An ecosystem is constructing by: (1) producers                     (2) primary consumer (3) secondary consumer               (4) decomposers Which of the above has highest energy?
  A)
   1                                            
  done clear
  B)
   2    
  done clear
  C)
   3                            
  done clear
  D)
          4
  done clear
  View Answer play_arrow

• question_answer352) Commercial opium is obtained from:
  A)
   mature leaves                 
  done clear
  B)
   mature seeds
  done clear
  C)
   unripened capsule        
  done clear
  D)
   germinated plants
  done clear
  View Answer play_arrow

• question_answer353) When viral DNA is integrated with that of bacterial DNA the phenomenon is known as:
  A)
   prophase                           
  done clear
  B)
   lytic cycle
  done clear
  C)
   lysogenic cycle
  done clear
  D)
          none of these
  done clear
  View Answer play_arrow

• question_answer354) Transposable element-I was discovered from:
  A)
   Maize                                  
  done clear
  B)
   Wheat
  done clear
  C)
   Gram                   
  done clear
  D)
          Pea
  done clear
  View Answer play_arrow

• question_answer355) Which of the following is fruit sugar?
  A)
   Glucose                              
  done clear
  B)
   Fructose
  done clear
  C)
   Ribose                
  done clear
  D)
          Sucrose
  done clear
  View Answer play_arrow

• question_answer356) In angiosperms which form of the carbohydrate is translocated:
  A)
   fructose                             
  done clear
  B)
   glucose
  done clear
  C)
   sucrose              
  done clear
  D)
          ribose
  done clear
  View Answer play_arrow

• question_answer357) The net gain of ATP in anaerobic respiration is:
  A)
   4 ATP                   
  done clear
  B)
          8 ATP
  done clear
  C)
   2 ATP                                   
  done clear
  D)
   3 ATP
  done clear
  View Answer play_arrow

• question_answer358) A monocot plant which shows secondary growth in stem is:
  A)
   Sugarcane         
  done clear
  B)
          Yucca
  done clear
  C)
   Maize                  
  done clear
  D)
          Coconut
  done clear
  View Answer play_arrow

• question_answer359) Amphivasal vascular bundle possess:
  A)
   xylem around phloem
  done clear
  B)
   phloem around xylem
  done clear
  C)
   phloem on both sides of xylem
  done clear
  D)
   phloem towards centre and xylem towards periphery
  done clear
  View Answer play_arrow

• question_answer360) Sporophyte of Riccia contains:
  A)
   elaters and spores
  done clear
  B)
   spores and nutritive cells
  done clear
  C)
   only spores       
  done clear
  D)
          both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer361) Zygotic division in Capselh bursa takes place by:
  A)
   longitudinal division
  done clear
  B)
   equal transverse division
  done clear
  C)
   unequal transverse division
  done clear
  D)
   oblique division
  done clear
  View Answer play_arrow

• question_answer362) Mendels law of independent assortment can be proved by:
  A)
   back cross                         
  done clear
  B)
   test cross
  done clear
  C)
   monohybrid cross          
  done clear
  D)
   dihybrid cross
  done clear
  View Answer play_arrow

• question_answer363) During development of embryo in archegonium of bryophyta its posterior part form protective embryo cover which is called:
  A)
   calyptra                              
  done clear
  B)
   paraphysis
  done clear
  C)
   apophysis          
  done clear
  D)
          hypophysis
  done clear
  View Answer play_arrow

• question_answer364) Synaptonemal complex forms in:
  A)
   leptotene                          
  done clear
  B)
   zygotene
  done clear
  C)
   pachytene        
  done clear
  D)
          diplotene
  done clear
  View Answer play_arrow

• question_answer365) Scopolamine alkaloids obtains from:
  A)
   Datura stramonium      
  done clear
  B)
   Atropa belladonna
  done clear
  C)
   Curcuma longa  
  done clear
  D)
          All of the above
  done clear
  View Answer play_arrow

• question_answer366) In which of the following three radial vascular bundles are present?
  A)
   Monocot root                  
  done clear
  B)
   Dicot root
  done clear
  C)
   Monocot stem  
  done clear
  D)
          Dicot stem
  done clear
  View Answer play_arrow

• question_answer367) Floral   formula \[\oplus _{\begin{smallmatrix}  O \\  + \end{smallmatrix}}^{\uparrow }\,{{K}_{(5)}}\,{{C}_{(5)}}\,{{A}_{\infty }}\,{{G}_{(5)}}\] belongs to family:
  A)
   Malvaceae                        
  done clear
  B)
   Crudferae
  done clear
  C)
   Compositae      
  done clear
  D)
          Solanaceae
  done clear
  View Answer play_arrow

• question_answer368) Bicarpillary, syncarpous bilocular axile placentation and oblique septum are characteristic of:
  A)
   Solanaceae                       
  done clear
  B)
   Crucifereae
  done clear
  C)
   Malvaceae        
  done clear
  D)
          Compositae
  done clear
  View Answer play_arrow

• question_answer369) Cork cambium and cambium are the example of:
  A)
   lateral meristem
  done clear
  B)
         primary meristem
  done clear
  C)
   intercalary meristem    
  done clear
  D)
   apical meristem
  done clear
  View Answer play_arrow

• question_answer370) Thigmotropism is shown by:
  A)
   leaf let                                
  done clear
  B)
   stem
  done clear
  C)
   shoot apex       
  done clear
  D)
          tendril
  done clear
  View Answer play_arrow

• question_answer371) In an example of lateral conjugation involving  three  Spirogyra  filaments zoospores will form in :
  A)
   all three filaments         
  done clear
  B)
   two lateral filaments
  done clear
  C)
   only middle filaments
  done clear
  D)
   either middle or lateral filaments  
  done clear
  View Answer play_arrow

• question_answer372) Bacteriophage is consist of:          
  A)
   only proteins   
  done clear
  B)
          nucleoproteins
  done clear
  C)
   protein and lipid             
  done clear
  D)
   only DNA
  done clear
  View Answer play_arrow

• question_answer373) In which part of Funaria stomatas are present?
  A)
   Stem                                   
  done clear
  B)
   Leaf 
  done clear
  C)
   Capsule              
  done clear
  D)
          Foot
  done clear
  View Answer play_arrow

• question_answer374) Seed habit is developed first time in: 
  A)
   some ferns                       
  done clear
  B)
   some pinus
  done clear
  C)
   some monocots             
  done clear
  D)
   some dicots
  done clear
  View Answer play_arrow