Solved papers for EAMCET Medical EAMCET Medical Solved Paper-1997

done EAMCET Medical Solved Paper-1997 Total Questions - 140

• question_answer1) The angular velocity of the seconds hand in a watch is:
  A)
   0.053 rad/s                        
  done clear
  B)
   0.210 rad/s
  done clear
  C)
   0.105rad/s                         
  done clear
  D)
   0.42 rad/s
  done clear
  View Answer play_arrow

• question_answer2) A copper solid cube of 60 mm side is subjected to a pressure of \[2.5\times {{10}^{7}}Pa.\] If the bulk modulus of copper is \[1.25\times {{10}^{7}}N/{{m}^{2}},\] the change in the volume of cube is:
  A)
  \[-\text{ }43.2\text{ }{{m}^{3}}\]                             
  done clear
  B)
   \[-\text{ }43.2\text{ }m{{m}^{3}}\]
  done clear
  C)
  \[-\text{ }43.2\text{ }c{{m}^{3}}\]                           
  done clear
  D)
   \[-\text{ }432\text{ }m{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer3) The coefficient of real expansion of mercury is \[18\times {{10}^{-5}}/{}^\circ C.\] The thermometer bulb has a volume of \[{{10}^{-6}}{{m}^{3}}\] and the cross-section of the stem is \[0.002\text{ }c{{m}^{2}}.\] Assuming that the bulb is filled with mercury at \[0{}^\circ C\] the length of the mercury column at \[100{}^\circ C\] will be:
  A)
   9 cm                                     
  done clear
  B)
   18 cm
  done clear
  C)
   9 mm                                   
  done clear
  D)
   18 mm
  done clear
  View Answer play_arrow

• question_answer4) A clock with an iron pendulum keeps correct time at \[15{}^\circ C\]. If the room temperature rises to \[20{}^\circ C\], the error in seconds per day will be : (coefficient of linear expansion of iron is \[0.000012/{}^\circ C\])
  A)
   2.5 s                                     
  done clear
  B)
   2.6 s
  done clear
  C)
   2.4 s                                     
  done clear
  D)
   2.2 s
  done clear
  View Answer play_arrow

• question_answer5) A gas at temperature \[27{}^\circ C\] and pressure 30 atm. is allowed to expand to 1 atm pressure. If the volume becomes 10 times its initial volume, the final temperature becomes:
  A)
  \[100{}^\circ C\]                              
  done clear
  B)
   373 K
  done clear
  C)
  \[373{}^\circ C\]                              
  done clear
  D)
  \[-173{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer6) Certain amount of heat supplied to an ideal gas under isothermal conditions will result in:
  A)
   a rise in temperature
  done clear
  B)
   doing external work and a change in temperature
  done clear
  C)
   doing external work
  done clear
  D)
   an increase in the internal energy of the gas
  done clear
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• question_answer7) 30 g of water at \[300{}^\circ C\] is in a beaker. Which of the following, when added to water, will have greatest cooling effect? (Specific heat of copper \[=\text{ }0.1\text{ }cal/\text{ }g{}^\circ \text{ }C\])
  A)
   100 g of water at \[10{}^\circ C\]
  done clear
  B)
   15 g of water at \[0{}^\circ C\]
  done clear
  C)
   3 g of ice at \[0{}^\circ C\]
  done clear
  D)
   18 g of copper at \[0{}^\circ C\]
  done clear
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• question_answer8) Two cylindrical conductors A and B of same metallic material have their diameters in the ratio 1:2 and lengths in the ratio 2:1. If the temperature difference between their ends is same, the ratio of heats conducted respectively by A and B per second is:
  A)
   1 : 2                                      
  done clear
  B)
   1 : 4
  done clear
  C)
   1 : 16                                    
  done clear
  D)
   1 : 8
  done clear
  View Answer play_arrow

• question_answer9) An organ pipe \[{{P}_{1}}\] closed at one and vibrating in its first overtone and another pipe \[{{P}_{2}}\], open at both ends vibrating in its third overtone are in resonance with a given tuning fork. Then the ratio of lengths of \[{{P}_{1}}\] and \[{{P}_{2}}\], respectively are given by:
  A)
   1 : 2                                      
  done clear
  B)
   1 : 3
  done clear
  C)
   3 : 8
  done clear
  D)
   3 : 4
  done clear
  View Answer play_arrow

• question_answer10) A source and an observer move away from each other, each with a velocity of 10 m/s, with respect to ground. If the observer finds the frequency of sound coming from the source as 1950 Hz, the original frequency of the source is : (assume, velocity of sound in air = 340 m/s)
  A)
   1950 Hz                               
  done clear
  B)
   2068 Hz
  done clear
  C)
   1832 Hz                                               
  done clear
  D)
   2186 Hz
  done clear
  View Answer play_arrow

• question_answer11) A force \[F\to =3\widehat{i}+c\widehat{j}+2\widehat{k}\] acting on a particle  causes a displacement \[s\to =-\,4\widehat{i}+2\widehat{j}+2\widehat{k}\] its own direction. If the work done is 6 J, the value of c is:
  A)
   zero                                     
  done clear
  B)
   1
  done clear
  C)
   12                                         
  done clear
  D)
   6
  done clear
  View Answer play_arrow

• question_answer12) If M, L, T and I stand for mass, length, time and electric current respectively, the dimensional formula for capacitance is:
  A)
   \[\left[ {{M}^{-1}}{{L}^{2}}{{T}^{-4}}{{I}^{2}} \right]\]                    
  done clear
  B)
   \[\left[ {{M}^{-1}}{{L}^{-2}}{{T}^{4}}{{I}^{2}} \right]\]
  done clear
  C)
   \[\left[ M{{L}^{2}}{{T}^{4}}{{I}^{2}} \right]\]                      
  done clear
  D)
   \[\left[ M{{L}^{2}}{{T}^{-4}}{{I}^{-2}} \right]\]
  done clear
  View Answer play_arrow

• question_answer13) The reaction time for a car driver is 0.9 s. If the car travelling initially with 36 km/h is stopped by the driver after observing a signal by the deceleration of \[5\text{ }m/{{s}^{2}},\] the total distance travelled by the car before coming to rest is:
  A)
   19 m                                    
  done clear
  B)
   9 m
  done clear
  C)
   10 m                                    
  done clear
  D)
   28 m
  done clear
  View Answer play_arrow

• question_answer14) A particle is moving eastwards with a velocity of 15 m/s. In a time of 10 s. the velocity changes to 15 m/s northwards. Average acceleration during this time is, in \[m/{{s}^{2}}:\]
  A)
   \[\frac{3}{\sqrt{2}}\]north - east             
  done clear
  B)
   \[3\sqrt{2}\] north - east
  done clear
  C)
   \[\frac{3}{\sqrt{2}}\]north - west           
  done clear
  D)
   \[3\sqrt{2}\]north - west
  done clear
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• question_answer15) The weight of a man in a lift, moving upwards is 608 N while the weight of the same man in the lift moving downwards, with the same acceleration, is 368 N. His normal weight in newton is:
  A)
   488                                       
  done clear
  B)
   588
  done clear
  C)
   480                                       
  done clear
  D)
   240
  done clear
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• question_answer16) A mass of 12 kg at rest explodes into two pieces of masses 4 kg and 8 kg, which move in opposite directions. If the velocity of 8 kg piece is 6 m/s. then the kinetic energy of the other piece in joule is:
  A)
   64                                         
  done clear
  B)
   128
  done clear
  C)
   144                                       
  done clear
  D)
   288
  done clear
  View Answer play_arrow

• question_answer17) A body of mass 10 kg lies on a rough horizontal surface. When a horizontal force of F newton acts on it. it gets an acceleration of \[5\text{ }m/{{s}^{2}}\]and when the horizontal force is doubled, it gets an acceleration of 18 m/s2. Then the coefficient of friction between the body and the horizontal surface is: (assume\[g=10\text{ }m{{s}^{-2}}\])
  A)
   0.2                                        
  done clear
  B)
   0.8
  done clear
  C)
   0.4                                        
  done clear
  D)
   0.6
  done clear
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• question_answer18) A constant torque of 1000 N-m turns a wheel of moment of inertia \[200\text{ }kg-{{m}^{2}}\]about an axis through its centre. Its angular velocity after 3 second is, in rad/s:
  A)
   1                                            
  done clear
  B)
   5
  done clear
  C)
   15                                         
  done clear
  D)
   10
  done clear
  View Answer play_arrow

• question_answer19) A thin metal disc of radius 0.25 m and mass 2 kg starts from rest and rolls down an inclined plane. If its rotational kinetic energy is 4 J at the foot of the inclined plane, then its linear velocity at the same point is:
  A)
   1.2 m/s                               
  done clear
  B)
   2\[\sqrt{2}\] m/s
  done clear
  C)
   20 m/s                                
  done clear
  D)
   2 m/s
  done clear
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• question_answer20) The mass of a planet is 1/9 of the mass of the earth and its radius is half that of the earth. If a body weights 9 N on the earth, its weight on the planet would be:
  A)
   6 N                                       
  done clear
  B)
   4 N
  done clear
  C)
   2.25 N                                 
  done clear
  D)
   I N
  done clear
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• question_answer21) Which of the following statements is not true in the case of Huygens eye piece?
  A)
   It is a chromatic
  done clear
  B)
   It satisfies condition for minimum spherical aberration
  done clear
  C)
   It has cross-wires
  done clear
  D)
   It cannot be used for measurement
  done clear
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• question_answer22) The dark lines in the solar spectrum are due to:
  A)
   absorption of certain wavelengths by elements present in the outer layer
  done clear
  B)
   absence of certain elements in the sun
  done clear
  C)
   black body radiation from the sun
  done clear
  D)
   scattering of light
  done clear
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• question_answer23) A barmagnet of pole strength 2 A-m is kept in a magnetic field of induction \[4\times {{10}^{-5}}Wb/{{m}^{2}}\]such that the axis of the magnet makes an angle 30° with the direction of the field. The couple acting on the magnet is found to be \[80\times {{10}^{-7}}Mm.\]Then. the distance between the poles of the magnet is:
  A)
   20 m                                    
  done clear
  B)
   2 m
  done clear
  C)
   3 cm                                     
  done clear
  D)
   20 cm
  done clear
  View Answer play_arrow

• question_answer24) In a deflection magnetometer experiment in tan A position, a short bar magnet placed at 18 cm from the centre of the compass needle produces a deflection of \[30{}^\circ \]. If another magnet of same length but 16 times pole strength as that of first magnet is placed in tan B position at 36 cm. the deflection will be:
  A)
  \[0{}^\circ \]                                      
  done clear
  B)
  \[30{}^\circ \]
  done clear
  C)
  \[45{}^\circ \]
  done clear
  D)
  \[60{}^\circ \]
  done clear
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• question_answer25) A charge q is placed at the centre of the line joining two equal charges Q to establish equilibrium. The system of three charges will be in equilibrium if q is equal to:
  A)
   +Q/4                                    
  done clear
  B)
   +Q/2
  done clear
  C)
   -Q/2                                     
  done clear
  D)
   -Q/4
  done clear
  View Answer play_arrow

• question_answer26) The capacity of a parallel plate capacitor with no dielectric but with a separation 0.4 cm is 2 \[\mu \]F. The separation is reduced to half and it is filled with a dielectric of value 2.8. The final capacity of the capacitor is:
  A)
   11.2 \[\mu \]f                                  
  done clear
  B)
   5.6 \[\mu \]f
  done clear
  C)
   4.0 \[\mu \]f                                    
  done clear
  D)
   22.4 \[\mu \]f
  done clear
  View Answer play_arrow

• question_answer27) Two parallel wires of length 9 m each, are separated by a distance of 0.15 m. If they carry equal currents in the same direction and exert a total force of \[3.0\times {{10}^{-7}}N\]of each other, the value of the current must be:
  A)
   1.5 \[Ao\]                                          
  done clear
  B)
   2.25 \[Ao\]
  done clear
  C)
   0.5 \[Ao\]                                          
  done clear
  D)
   0.25 \[Ao\]
  done clear
  View Answer play_arrow

• question_answer28) The emf of a Daniel cell is 1.08 V. When the terminals of the cells are connected to a resistance of 3\[\Omega \], the potential difference across the terminals is found to be 0.6 V. Then the internal resistance of the cell is:
  A)
   1.8\[\Omega \]                               
  done clear
  B)
   2.4\[\Omega \]
  done clear
  C)
   3.24\[\Omega \]                             
  done clear
  D)
   0.2\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer29) A sensitive galvanometer like a moving coil galvanometer can be converted into an ammeter or into a voltmeter by connecting a proper resistance to it. Then which of the following statements is not true?
  A)
   An ammeter is connected in series in a circuit and the potential difference across it is small
  done clear
  B)
   An ammeter is connected in series in a circuit and the current through it is negligible
  done clear
  C)
   A voltmeter is connected in parallel in a circuit and the current through it is negligible
  done clear
  D)
   A voltmeter is connected in parallel in a circuit and the potential difference across it is maximum
  done clear
  View Answer play_arrow

• question_answer30) When the electron in hydrogen atom is excited from the 4th stationary orbit to the 5th stationary orbit, the change in the angular momentum of the electron in J-s is: (Planks constant\[h=6.64\times {{10}^{-34}}J-s\])
  A)
  \[4.16\times {{10}^{-34}}\]                         
  done clear
  B)
   \[3.32\times {{10}^{-34}}\]
  done clear
  C)
  \[1.04\times {{10}^{-34}}\]                         
  done clear
  D)
   \[2.08\times {{10}^{-34}}\]
  done clear
  View Answer play_arrow

• question_answer31) An electron beam is allowed to pass normally through magnetic and electric fields which are mutually perpendicular. When the magnetic field induction and electric field strength are \[0.0004\text{ }Wb/{{m}^{2}}\]and 3000 V/m respectively, the beam suffers no deflection. Then the velocity of electron is:
  A)
   \[7.5\,\times \,{{10}^{6}}\,m/s\]                             
  done clear
  B)
   \[7.5\,\times \,{{10}^{4}}\,m/s\]
  done clear
  C)
   \[1.56\,\times \,{{10}^{16}}\,/s\]                            
  done clear
  D)
   \[3.12\,\times \,{{10}^{16}}\,/s\]
  done clear
  View Answer play_arrow

• question_answer32) When a slow neutron is captured by U235 nucleus, each fission releases an energy of 200 MeV. The number of fissions required to occur (per second) to produce a power of 1 MW is:
  A)
  \[6.2\times {{10}^{16}}/s\]                         
  done clear
  B)
   \[6.2\times {{10}^{15}}/s\]
  done clear
  C)
  \[1.56\times {{10}^{16}}/s\]                       
  done clear
  D)
   \[3.12\times {{10}^{16}}/s\]
  done clear
  View Answer play_arrow

• question_answer33) In the following reaction, the energy released is: \[{{4}_{1}}\,{{H}^{1}}\,\to {{\,}_{2}}H{{e}^{4}}+2{{e}^{+}}+energy\]
  A)
   12.33 MeV                        
  done clear
  B)
   25.75 MeV
  done clear
  C)
    37MeV                              
  done clear
  D)
   49.35 MeV
  done clear
  View Answer play_arrow

• question_answer34) The value indicated by Fermi energy level is an intrinsic semiconductor is:
  A)
   the average energy of electrons and holes
  done clear
  B)
   the energy of electrons in conduction band
  done clear
  C)
   the energy of holes in valence band
  done clear
  D)
   the energy of forbidden region
  done clear
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• question_answer35) The two diodes A and B are biased as shown, then:
  A)
   the diodes A and B arc reverse biased
  done clear
  B)
   the diode A is forward biased and K is reverse biased
  done clear
  C)
   the diode B is forward biased and diode A is reverse biased
  done clear
  D)
   the diodes A and B are forward biased
  done clear
  View Answer play_arrow

• question_answer36) Hydrolysis of an ester gives a carboxylic acid which on Kolbes electrolysis yields ethane. The ester is :
  A)
   methyl ethanoate
  done clear
  B)
   methyl methanoate
  done clear
  C)
   ethyl methanoate
  done clear
  D)
   methyl propanoate
  done clear
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• question_answer37) The strongest conjugate base results from :
  A)
   formic acid        
  done clear
  B)
   benzoic acid
  done clear
  C)
    acetic acid       
  done clear
  D)
   acetylene
  done clear
  View Answer play_arrow

• question_answer38) The   \[\text{ }\!\!\Delta\!\!\text{ H}\]   value   for   the   reaction \[{{\text{H}}_{\text{2}}}\text{+}\,\text{C}{{\text{l}}_{\text{2}}}\text{= 2HCl}\,\]is \[-\,44.12\,kcal.\]If \[{{\text{E}}_{\text{1}}}\]is the activation energy of the reactants and \[{{\text{E}}_{2}}\] is the activation energy of the products, then for the above reaction :
  A)
   \[{{E}_{1}}>{{E}_{2}}\]                 
  done clear
  B)
   \[{{E}_{1}}<{{E}_{2}}\]
  done clear
  C)
    \[{{E}_{1}}={{E}_{2}}\]                
  done clear
  D)
    \[\Delta H\] is not related of \[{{E}_{1}}>{{E}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer39) The value of \[{{\text{K}}_{\text{p}}}\] for the reaction \[2{{H}_{2}}S(g)\rightleftharpoons 2{{H}_{2}}(g)+{{S}_{2}}(g)\]is \[1.2\times {{10}^{-2}}\]at \[\text{1065}{{\,}^{\text{o}}}\text{C}\text{.}\]The value of \[{{\text{K}}_{\text{c}}}\]for this reaction is:
  A)
   \[1.2\times {{10}^{-2}}\]                             
  done clear
  B)
   \[<1.2\times {{10}^{-2}}\]
  done clear
  C)
   83                                         
  done clear
  D)
   \[>1.2\times {{10}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer40) Which of the following metals will not reduce \[{{\text{H}}_{\text{2}}}\text{O}\]?
  A)
   Ca                         
  done clear
  B)
   Fe
  done clear
  C)
   Cu                                         
  done clear
  D)
   Li
  done clear
  View Answer play_arrow

• question_answer41) In the Bohr hydrogen atom, the electronic transition emitting light of longest wave length is:
  A)
   n = 2 to n =3     
  done clear
  B)
   n = 4 to n = 3
  done clear
  C)
    n = 3 to n = 2                   
  done clear
  D)
   n = 2 to n = 1
  done clear
  View Answer play_arrow

• question_answer42) Which one of the following halogens does not exhibit positive oxidation state in its compounds?
  A)
   I                                             
  done clear
  B)
   Br
  done clear
  C)
   Cl                                          
  done clear
  D)
   F
  done clear
  View Answer play_arrow

• question_answer43) Which one of the following ores is chloride?
  A)
   Horn silver        
  done clear
  B)
   Zincite
  done clear
  C)
   Bauxite               
  done clear
  D)
   Felspar
  done clear
  View Answer play_arrow

• question_answer44) In the electrochemical cell: \[{{H}_{2}}(g)1\,\text{atm}\text{. 1}{{\text{H}}^{+}}(1M)||C{{u}^{2+}}(1M)Cu(s)\]Which one of the following statements is true?
  A)
   \[{{\text{H}}_{\text{2}}}\]is cathode, Cu is anode
  done clear
  B)
   Oxidation occurs at Cu electrode
  done clear
  C)
   Reduction occurs at \[{{\text{H}}_{\text{2}}}\] electrode
  done clear
  D)
   \[{{\text{H}}_{\text{2}}}\] is anode, Cu is cathode
  done clear
  View Answer play_arrow

• question_answer45) On passing a current through a \[\text{KCl}\]solution, 19.5 g of potassium is deposited. If the same quantity of electricity is passed through a solution of aluminium chloride, the amount  of aluminium deposited is :
  A)
   4.5g                                      
  done clear
  B)
   9.0g
  done clear
  C)
   13.5g                                   
  done clear
  D)
   27g
  done clear
  View Answer play_arrow

• question_answer46) The de-Broglie wavelength of a particle with mass 1 g and velocity \[100\,\text{m}{{\text{s}}^{-1}}\] is
  A)
   \[6.63\times {{10}^{-35}}\,m\] 
  done clear
  B)
   \[6.63\times {{10}^{-34}}\,m\]
  done clear
  C)
   \[6.65\times {{10}^{-33}}\,m\] 
  done clear
  D)
   \[6.63\times {{10}^{-32}}\,m\]
  done clear
  View Answer play_arrow

• question_answer47) Which one of the following statements is true for ammonium ion?
  A)
   All bonds are ionic
  done clear
  B)
   All bonds are co-ordinate covalent
  done clear
  C)
   H-atoms are situated at the corners of a square
  done clear
  D)
   H-atoms are situated at the corners of tetrahedron.
  done clear
  View Answer play_arrow

• question_answer48) Which one of the following is not a base?
  A)
   \[{{\text{N}}_{\text{2}}}{{\text{H}}_{\text{4}}}\]                            
  done clear
  B)
   \[\text{N}{{\text{H}}_{\text{2}}}\text{OH}\]
  done clear
  C)
   \[{{\text{(C}{{\text{H}}_{3}}\text{)}}_{3}}N\]                   
  done clear
  D)
   \[H{{N}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer49) Which of the following is reduced by hydrogen peroxide in acid medium?
  A)
   Potassium permanganate
  done clear
  B)
   Potassium iodide
  done clear
  C)
  \[\text{FeS}{{\text{O}}_{\text{4}}}\]
  done clear
  D)
   Potassium ferrocyanide
  done clear
  View Answer play_arrow

• question_answer50) The electronic configuration of chromium \[\text{(Z}\,\text{=}\,\text{24)}\]is:
  A)
   \[[Ar]4{{d}^{4}}4{{s}^{2}}\]                       
  done clear
  B)
   \[[Ar]3{{d}^{5}}4{{s}^{1}}\]
  done clear
  C)
   \[[Ar]3{{d}^{4}}3{{s}^{2}}\]                       
  done clear
  D)
   \[[Ar]4{{d}^{5}}4{{s}^{1}}\]
  done clear
  View Answer play_arrow

• question_answer51) Which one of the following compounds in aqueous solution gives a white ppt. with perchloric acid?
  A)
   \[NaCl\]                             
  done clear
  B)
   \[KCl\]
  done clear
  C)
   \[MgC{{l}_{2}}\]                             
  done clear
  D)
   \[FeC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer52) Which of the following sequence is correct with reference to the oxidation number of iodine?
  A)
   \[{{I}_{2}}<ICl<HI<HI{{O}_{4}}\]
  done clear
  B)
   \[HI{{O}_{4}}<ICl<{{I}_{2}}<HI\]
  done clear
  C)
   \[{{I}_{2}}<HI<ICl<HI{{O}_{4}}\]
  done clear
  D)
   \[HI<{{I}_{2}}<ICl<HI{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer53) The root mean square velocity of a gas is doubled when the temperature is :
  A)
   reduced to half
  done clear
  B)
   reduced to one-fourth
  done clear
  C)
   increased four times
  done clear
  D)
   increased two times
  done clear
  View Answer play_arrow

• question_answer54) Quartz is a crystal line variety of:
  A)
   sodium silicate                
  done clear
  B)
   silicon carbide
  done clear
  C)
   silicon                                  
  done clear
  D)
   silica
  done clear
  View Answer play_arrow

• question_answer55) Which of the following compounds does not form an ozonide?
  A)
   Ethene                               
  done clear
  B)
   Propyne
  done clear
  C)
   Propene            
  done clear
  D)
   Propane
  done clear
  View Answer play_arrow

• question_answer56) The pH of the aqueous solution containing 0.49 g of \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\]in one litre is:
  A)
   2                                            
  done clear
  B)
   1
  done clear
  C)
   1.7                                        
  done clear
  D)
   0.3
  done clear
  View Answer play_arrow

• question_answer57) The conjugate acid of \[\text{NH}_{2}^{-}\]ion is :
  A)
   \[N{{H}_{3}}\]                                 
  done clear
  B)
   \[NH_{4}^{+}\]
  done clear
  C)
   \[{{N}_{2}}{{H}_{4}}\]                                  
  done clear
  D)
   \[N{{H}_{2}}OH\]
  done clear
  View Answer play_arrow

• question_answer58) Which one of the following compounds liberate \[\text{C}{{\text{O}}_{\text{2}}}\] from aqueous \[\text{NaHC}{{\text{O}}_{3}}\]?
  A)
   Anilinium chloride          
  done clear
  B)
   \[CHC{{l}_{3}}\]
  done clear
  C)
   \[CC{{l}_{4}}\]                                 
  done clear
  D)
   \[C{{H}_{3}}Cl\]
  done clear
  View Answer play_arrow

• question_answer59) In which one of the following conversions phosphorus pentachloride is used as the reagent?
  A)
   \[{{H}_{2}}C=C{{H}_{2}}\to C{{H}_{3}}C{{H}_{2}}Cl\]
  done clear
  B)
   \[{{H}_{3}}C-O-C{{H}_{3}}\to C{{H}_{3}}Cl\]
  done clear
  C)
   \[C{{H}_{3}}C{{H}_{2}}OH\to C{{H}_{3}}C{{H}_{2}}Cl\]
  done clear
  D)
   \[CH\equiv CH\to C{{H}_{2}}=CHCl\]
  done clear
  View Answer play_arrow

• question_answer60) Which one of the following elements has the highest first ionisation potential?
  A)
   Boron                                  
  done clear
  B)
   Carbon
  done clear
  C)
   Nitrogen                            
  done clear
  D)
   Oxygen
  done clear
  View Answer play_arrow

• question_answer61) Of the following, the one with largest size is:
  A)
   \[C{{l}^{-}}\]                                     
  done clear
  B)
   \[Ar\]
  done clear
  C)
   \[{{K}^{+}}\]                                     
  done clear
  D)
   \[C{{a}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer62) The reagent that gives an orange coloured ppt. with acetaldehyde is:
  A)
   \[N{{H}_{2}}OH\]           
  done clear
  B)
   \[NaHS{{O}_{3}}\]
  done clear
  C)
   c) iodine                             
  done clear
  D)
   2,4-DNP
  done clear
  View Answer play_arrow

• question_answer63) The hybridization state of carbon atoms in the product formed by the reaction of ethyl chloride with aqueous KOH is:
  A)
   \[sp\]                                  
  done clear
  B)
   \[s{{p}^{2}}\]
  done clear
  C)
   \[s{{p}^{3}}\]                                   
  done clear
  D)
   \[s{{p}^{3}}d\]
  done clear
  View Answer play_arrow

• question_answer64) The atomic number of a radioactive element increases by one unit in :
  A)
   alpha emission                
  done clear
  B)
   beta emission
  done clear
  C)
   gamma emission            
  done clear
  D)
   electron capture
  done clear
  View Answer play_arrow

• question_answer65) Which one of the following compounds is Lewis acid?
  A)
   \[PC{{l}_{3}}\]                                 
  done clear
  B)
   \[BC{{l}_{3}}\]
  done clear
  C)
   \[NC{{l}_{3}}\]                 
  done clear
  D)
   \[CHC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer66) The alkane that yields two isomeric monobromo derivatives:
  A)
   neo pentane                    
  done clear
  B)
   ethane
  done clear
  C)
   methane           
  done clear
  D)
   propane
  done clear
  View Answer play_arrow

• question_answer67) The alcohol that produces turbidity immediately with \[\text{ZnC}{{\text{l}}_{\text{2}}}\text{/conc}\text{.}\] \[\text{HCl}\] at room temperature:
  A)
   1-hydroxy butane
  done clear
  B)
   2-hydroxy butane
  done clear
  C)
   2-hydroxy-2-methyl propane
  done clear
  D)
    1-hydroxy-2-methyl propane
  done clear
  View Answer play_arrow

• question_answer68) Ethyl chloride on heating with silver cyanide forms a compound X. The functional isomer of X is:
  A)
   \[{{C}_{2}}{{H}_{5}}NC\]                             
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}CN\]
  done clear
  C)
   \[{{H}_{3}}C-NH-C{{H}_{3}}\]    
  done clear
  D)
   \[{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer69) The number of Ti-bonds in the product formed by passing acetylene through dil. \[{{\text{H}}_{\text{2}}}\text{S}{{\text{O}}_{\text{4}}}\] containing mercuric sulphate is :
  A)
   zero                                     
  done clear
  B)
   one
  done clear
  C)
   two                                      
  done clear
  D)
   three
  done clear
  View Answer play_arrow

• question_answer70) In the complete combustion of butanol \[{{\text{C}}_{\text{4}}}{{\text{H}}_{\text{9}}}\text{OH(I)}\] if \[\text{ }\!\!\Delta\!\!\text{ H}\] is enthalpy of combustion and \[\text{ }\!\!\Delta\!\!\text{ E}\] is the heat of combustion at constant volume, then:
  A)
   \[\Delta H <\Delta E\]
  done clear
  B)
  \[\Delta H =\Delta E\]
  done clear
  C)
  \[\Delta H >\Delta E\]             
  done clear
  D)
    \[\Delta H ,\Delta E\] relation cannot to be predicted
  done clear
  View Answer play_arrow

• question_answer71) Which of the following taxonomical ranks contain organisms least similar to one another?
  A)
  Class                                     
  done clear
  B)
   Genus
  done clear
  C)
   Family                                 
  done clear
  D)
   Species
  done clear
  View Answer play_arrow

• question_answer72) In which life-cycle of malarial parasite the longest incubation period is observed ?
  A)
   Plasmodium vivax
  done clear
  B)
   Plasmodium falciparum
  done clear
  C)
   Plasmodium ovale
  done clear
  D)
   Plasmodium malariae
  done clear
  View Answer play_arrow

• question_answer73) Amoeba is capable of regeneration in one of the following conditions:
  A)
   a fragment of nucleated Amoeba
  done clear
  B)
   encysted Amoeba
  done clear
  C)
   an old Amoeba
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer74) In which part of tse-tse fly Trypanosoma reaches to its crithidial stage?
  A)
   Midgut                                
  done clear
  B)
   Proventriculus
  done clear
  C)
   Salivary glands                                 
  done clear
  D)
   Foregut
  done clear
  View Answer play_arrow

• question_answer75) Which cells are useful for feeding in sponges?
  A)
   Thesocytes                       
  done clear
  B)
   Collar cells
  done clear
  C)
   Pinacocytes                                      
  done clear
  D)
   Sclerocytes
  done clear
  View Answer play_arrow

• question_answer76) A reduced polyp phase is present in the development of:
  A)
   Obelia                                 
  done clear
  B)
   Hydra
  done clear
  C)
   Rhizostoma                      
  done clear
  D)
   Adamsia
  done clear
  View Answer play_arrow

• question_answer77) In Hydra, stenoteles are important for:
  A)
   catching the prey
  done clear
  B)
   immobilising the prey
  done clear
  C)
   testing the food
  done clear
  D)
   testing the water
  done clear
  View Answer play_arrow

• question_answer78) Caudal alae are associated with one of the following:
  A)
   MaleAscaris
  done clear
  B)
   Male Enterobius
  done clear
  C)
   Female Enterobius
  done clear
  D)
   Male Ancyclostoma
  done clear
  View Answer play_arrow

• question_answer79) Rostellum and hooks are absent in the scolex of:
  A)
   Taenia saginata
  done clear
  B)
   Taenia solium
  done clear
  C)
   Echinococcus granulosus
  done clear
  D)
   Fasciola hepatica
  done clear
  View Answer play_arrow

• question_answer80) Which one of the combination is not correct?
  A)

  Parasite	Source of infection
  Taenia saginata	Beef

  done clear
  B)

  Parasite	Source of infection
  Ancyclostoma duodenale	Water and soil

  done clear
  C)

  Parasite	Source of infection
  Enterobius vermicularis	Cyclops

  done clear
  D)

  Parasite	Source of infection
  Wuchereria bancrofti	Mosquito

  done clear
  View Answer play_arrow

• question_answer81) The   larva  of Ascaris   undergoes  the migration in  the following course:
  A)
   Intestine, heart, liver, lungs, trachea, mouth,  alimentary canal
  done clear
  B)
   Intestine, liver, heart, lungs, trachea, pharynx, alimentary canal
  done clear
  C)
   alimentary canal, heart, lungs, trachea,  intestine
  done clear
  D)
   alimentary canal, liver, intestine
  done clear
  View Answer play_arrow

• question_answer82) Of the following, which is a free- swimming polychaete?
  A)
   Chaetopterus                  
  done clear
  B)
   Serpula
  done clear
  C)
   Eunice                                 
  done clear
  D)
   Arenicola
  done clear
  View Answer play_arrow

• question_answer83) In Pheritima, which nephridia lack nephrostomes and are enteronephric?
  A)
   Septal nephridia                             
  done clear
  B)
   Pharyngeal nephridia
  done clear
  C)
   Integumentary nephridia
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer84) In Pheritima, there are red coloured round bodies in the 4th, 5th, and 6th segments above the alimentary canal. They are believed to be involved in:
  A)
   excretion                           
  done clear
  B)
   digestion
  done clear
  C)
   leucocyte production   
  done clear
  D)
   reproduction
  done clear
  View Answer play_arrow

• question_answer85) Gynovalvular plates in cockroach are formed by:
  A)
   8th, 9th, and 10th stemites
  done clear
  B)
   9th and 10th tergites
  done clear
  C)
   9th and 10th sternites
  done clear
  D)
   7th stemite
  done clear
  View Answer play_arrow

• question_answer86) If you are given an insect, a spider, a peripatus. and a crab, basing on which character you can identify an arachnid from others?
  A)
   Sense organs                   
  done clear
  B)
   Number of wings
  done clear
  C)
   Three pairs of legs         
  done clear
  D)
   Four pairs of legs
  done clear
  View Answer play_arrow

• question_answer87) To which class Limulus belongs?
  A)
   Chilopoda                          
  done clear
  B)
   Arachnida
  done clear
  C)
                   Crustacea                          
  done clear
  D)
   Morostomata
  done clear
  View Answer play_arrow

• question_answer88) Identify the pearl oyster from the animals given below:
  A)
   Mytilus                                               
  done clear
  B)
   Nautilus
  done clear
  C)
   Milliyagrina                       
  done clear
  D)
   Corallum
  done clear
  View Answer play_arrow

• question_answer89) Identify an enterocoelic invertebrate:
  A)
   Sepia                                   
  done clear
  B)
   Cimex
  done clear
  C)
   Ophiothrix                        
  done clear
  D)
   Polygordius
  done clear
  View Answer play_arrow

• question_answer90) If an organism with a genotype Aa Bb Cc Dd is test crossed, how many different phenotypes can appear in the progeny?
  A)
   4                                            
  done clear
  B)
   8
  done clear
  C)
   12                                         
  done clear
  D)
   16
  done clear
  View Answer play_arrow

• question_answer91) Which is the example of super order Holostei?
  A)
   Acipenser                          
  done clear
  B)
   Amia
  done clear
  C)
   Protopterus                                     
  done clear
  D)
   Exocoetus
  done clear
  View Answer play_arrow

• question_answer92) In frog the vertebra with an anterior convex surface is:
  A)
   atlas                                     
  done clear
  B)
   9th vertebra
  done clear
  C)
   8th vertebra                                      
  done clear
  D)
   urostyle
  done clear
  View Answer play_arrow

• question_answer93) In frog, according to modern theory of blood circulation, the trabeculae help in:
  A)
   separation of pure and impure blood
  done clear
  B)
   to give mechanical strength to the ventricle
  done clear
  C)
    increasing the inner surface area of ventricle
  done clear
  D)
   to detect blood pressure
  done clear
  View Answer play_arrow

• question_answer94) X cranial nerve of frog emerges out from the cranium through a foramen located on:
  A)
   Sphenethmoid                                
  done clear
  B)
   Exo occipital
  done clear
  C)
    Fronto- parietal             
  done clear
  D)
   Parasphenoid
  done clear
  View Answer play_arrow

• question_answer95) The Indian salamander is:
  A)
   Amblystoma                    
  done clear
  B)
   Trilotriton
  done clear
  C)
   Siren                                    
  done clear
  D)
   Necturus
  done clear
  View Answer play_arrow

• question_answer96) The dominant animal during Mesozoic era is:
  A)
   Latimeria                           
  done clear
  B)
   Ceratodus
  done clear
  C)
   Pleisosaurus                                     
  done clear
  D)
   Climatius
  done clear
  View Answer play_arrow

• question_answer97) Which one of the following is a viviparous non-poisonous snake?
  A)
   Uropeltis                           
  done clear
  B)
   Enhydrina
  done clear
  C)
   Ptyas                                   
  done clear
  D)
   Ech is carinata
  done clear
  View Answer play_arrow

• question_answer98) Reduced renal portal system is present in:
  A)
   Felis dumestica               
  done clear
  B)
   Rana tigrina
  done clear
  C)
   Corvus corvus                                  
  done clear
  D)
   Labeo rohita
  done clear
  View Answer play_arrow

• question_answer99) Monogamic ratitae bird is:
  A)
   ostrich                                
  done clear
  B)
   emu
  done clear
  C)
   apteryx                                              
  done clear
  D)
   rhea
  done clear
  View Answer play_arrow

• question_answer100) Which one is the burrowing marsupial?
  A)
   Thylacinus                         
  done clear
  B)
   Notoryctus
  done clear
  C)
   Myrinecobius                  
  done clear
  D)
   Phascolarcles
  done clear
  View Answer play_arrow

• question_answer101) The number of bones in each half of the lowerjavv of a mammal is:
  A)
   6                                            
  done clear
  B)
   5
  done clear
  C)
   3                                            
  done clear
  D)
   1
  done clear
  View Answer play_arrow

• question_answer102) With which cells tigroid granules are associated?
  A)
   Muscle cells                                      
  done clear
  B)
   Nerve cells
  done clear
  C)
   Gland cells                        
  done clear
  D)
   Sensory cells
  done clear
  View Answer play_arrow

• question_answer103) The adaptive similarities in different animals  found in the same habitat is called:
  A)
   adaptive radiation
  done clear
  B)
   convergent evolution
  done clear
  C)
   parallel evolution
  done clear
  D)
   retrogressive evolution
  done clear
  View Answer play_arrow

• question_answer104) Which metal pollutant causes sterility in organisms?
  A)
   Mercury                                             
  done clear
  B)
   Cadmium
  done clear
  C)
   Silver                                   
  done clear
  D)
   Manganese
  done clear
  View Answer play_arrow

• question_answer105) The nets used to catch tunas are:
  A)
   gill nets                                               
  done clear
  B)
   lines
  done clear
  C)
   trawl nets                          
  done clear
  D)
   stake nets
  done clear
  View Answer play_arrow

• question_answer106) The institute where research on dry land crops exclusively carried out is :
  A)
   CSIR                                     
  done clear
  B)
   NBRl
  done clear
  C)
   CIMAP                                
  done clear
  D)
   lCRlSAT
  done clear
  View Answer play_arrow

• question_answer107) The role of synergids is explained izn :
  A)
   physiology                        
  done clear
  B)
   pteriodology
  done clear
  C)
   embryology                      
  done clear
  D)
   virology
  done clear
  View Answer play_arrow

• question_answer108) In plants growing in marshy saline soils, the major function of roots that grow in the air above is to :
  A)
   respire                                
  done clear
  B)
   absorb moisture
  done clear
  C)
   exude salts                       
  done clear
  D)
   absorb nutrients
  done clear
  View Answer play_arrow

• question_answer109) Eyes on potato tubers represent:
  A)
   inter nodes                       
  done clear
  B)
   roots bases
  done clear
  C)
   nodes with buds            
  done clear
  D)
   scars
  done clear
  View Answer play_arrow

• question_answer110) A stalk like structure found above the stamens and below the ovary is called :
  A)
   gynophore                        
  done clear
  B)
   and rophore
  done clear
  C)
   flower stalk                      
  done clear
  D)
   filament
  done clear
  View Answer play_arrow

• question_answer111) In a population of a species, in some plants the style is shorter, but in some others it is longer than the stamens. This conditions is called :
  A)
   heterostyly                       
  done clear
  B)
   homostyly
  done clear
  C)
   homogamy                       
  done clear
  D)
   heterogamy
  done clear
  View Answer play_arrow

• question_answer112) How many female flowers occur in a cyathium ?
  A)
   Three                                  
  done clear
  B)
   Two
  done clear
  C)
   Four                                     
  done clear
  D)
   One
  done clear
  View Answer play_arrow

• question_answer113) The capsules are septicidal in :
  A)
   Ficus                                                    
  done clear
  B)
   Annona
  done clear
  C)
   Aristolochia                      
  done clear
  D)
   Solanum
  done clear
  View Answer play_arrow

• question_answer114) In DNA molecule, the number of hydrogen bonds between adenine and thymine are :
  A)
   two                                      
  done clear
  B)
   three
  done clear
  C)
   four                                     
  done clear
  D)
   eight
  done clear
  View Answer play_arrow

• question_answer115) The membrane surrounding a vacuole is called :
  A)
   outer membrane           
  done clear
  B)
   air membrane
  done clear
  C)
   plasma membrane        
  done clear
  D)
   tonoplast
  done clear
  View Answer play_arrow

• question_answer116) The nature of cells occurring in medulla is :
  A)
   parenchymatous                            
  done clear
  B)
   liquefied
  done clear
  C)
   Suburised                          
  done clear
  D)
   Collcnchymatous
  done clear
  View Answer play_arrow

• question_answer117) To get haploid callus one can culture:
  A)
   embryos                            
  done clear
  B)
   leaf tissue
  done clear
  C)
   pollen grain                      
  done clear
  D)
   stigma
  done clear
  View Answer play_arrow

• question_answer118) Cells which help in folding or rolling of leaves in grasses are called :
  A)
    trichoblasts                      
  done clear
  B)
    bulliform cells
  done clear
  C)
    guard cells                        
  done clear
  D)
    mucilaginous cells
  done clear
  View Answer play_arrow

• question_answer119) Some of the enzymes which are associated in converting fats into carbohydrates are present in :
  A)
   glyoxysomes                    
  done clear
  B)
    golgi bodies
  done clear
  C)
   microsomes                     
  done clear
  D)
   liposomes
  done clear
  View Answer play_arrow

• question_answer120) A type of cells called Velamen occur in
  A)
   orchid roots                      
  done clear
  B)
   lily roots
  done clear
  C)
   grass roots                        
  done clear
  D)
   groundnut roots
  done clear
  View Answer play_arrow

• question_answer121) The use of binomial names for plant species was accepted by all after the publication of the works by :
  A)
   Hooker                               
  done clear
  B)
   Linnaeus
  done clear
  C)
   Bentham                           
  done clear
  D)
   Darwin
  done clear
  View Answer play_arrow

• question_answer122) The generic epithet for the species epithet Santalinus is :
  A)
   Abrus                                  
  done clear
  B)
   Pongamia
  done clear
  C)
   Pterocarpus                     
  done clear
  D)
   Cassia
  done clear
  View Answer play_arrow

• question_answer123) Protein content is more in :
  A)
   millets                                 
  done clear
  B)
   cereals
  done clear
  C)
   coconut                              
  done clear
  D)
   pulses
  done clear
  View Answer play_arrow

• question_answer124) Plants of edible banana are propagated by :
  A)
   seeds                                  
  done clear
  B)
   leaf base
  done clear
  C)
   flower buds                      
  done clear
  D)
   suckers
  done clear
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• question_answer125) Conjugation occurs in :
  A)
   Funaria                               
  done clear
  B)
   Spirogyra
  done clear
  C)
   Oryza                                  
  done clear
  D)
   Selaginella
  done clear
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• question_answer126) Comma shaped bacteria are known as :
  A)
    spirilla                                
  done clear
  B)
   vibrio
  done clear
  C)
    cocci                                   
  done clear
  D)
   bacilli
  done clear
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• question_answer127) Algal zone cavities are situated in apogeotropic roots of Cycas in :
  A)
   pith                                      
  done clear
  B)
   cortex
  done clear
  C)
   endodermis                     
  done clear
  D)
   phloem
  done clear
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• question_answer128) The   asexual   stage   of  Glomarella tucumanensis is :
  A)
   Cercospora                       
  done clear
  B)
   Pyricidaria
  done clear
  C)
   Sphucelolheca                                 
  done clear
  D)
   Colletotrichum
  done clear
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• question_answer129) Virus that infects bacteria are made up of :
  A)
   DNA only                           
  done clear
  B)
   RNA and protein
  done clear
  C)
   DNA and protein                            
  done clear
  D)
   RNA only
  done clear
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• question_answer130) The first meiotic division in the following stage   each chromosome  undergoes longitudinal division to give rise to two sister chromatids:
  A)
   zygotene                           
  done clear
  B)
   diplotene
  done clear
  C)
   diakinesis                          
  done clear
  D)
   pachytene
  done clear
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• question_answer131) An organic substance bound to an enzyme and essential for the activity of the enzyme is called :
  A)
   Holoenzyme                    
  done clear
  B)
   Apoenzyme
  done clear
  C)
   Coenzyme                        
  done clear
  D)
   Isoenzyme
  done clear
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• question_answer132) The vascular tissues are very much reduced in :
  A)
   xerophytes                       
  done clear
  B)
   mesophytes
  done clear
  C)
   hydrophytes                                    
  done clear
  D)
   epiphytes
  done clear
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• question_answer133) A good example of an auxin type herbicide is:
  A)
   IAA                                       
  done clear
  B)
   NAA
  done clear
  C)
   2,4-D                                   
  done clear
  D)
   lBA
  done clear
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• question_answer134) The unique property of legumes, is the assimilation of nitrogen in the form of :
  A)
   molecular nitrogen        
  done clear
  B)
   ammonia
  done clear
  C)
   nitrates                                              
  done clear
  D)
   organic nitrogen
  done clear
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• question_answer135) The site of EMP pathway in cell is:
  A)
   inner membrane of mitochondria
  done clear
  B)
   matrix of mitochondria
  done clear
  C)
   cytoplasm
  done clear
  D)
   peroxisome
  done clear
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• question_answer136) Respiratory quotient during early stages of germination of castor seed is :
  A)
   one                                      
  done clear
  B)
   more than one
  done clear
  C)
   zero                                     
  done clear
  D)
   less than one
  done clear
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• question_answer137) In maize. PEP- carboxylation reaction takes place in :
  A)
   bundle sheath cells
  done clear
  B)
   mesophyll cells
  done clear
  C)
   epidermis
  done clear
  D)
   bundle sheath as well as mesophyll cells
  done clear
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• question_answer138) In pond ecosystem, diatoms represent :
  A)
   producers
  done clear
  B)
   primary consumers
  done clear
  C)
   secondary consumers
  done clear
  D)
   tertiary consumers
  done clear
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• question_answer139) The rate of photosynthesis is higher in :
  A)
   red light
  done clear
  B)
   green light
  done clear
  C)
   continuous light
  done clear
  D)
   very high intensity light
  done clear
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• question_answer140) Chloroplasts with pyrenoid like structures are found in the leaves of :
  A)
   Funaria                               
  done clear
  B)
   Cycas
  done clear
  C)
   Selaginella                         
  done clear
  D)
   Maize
  done clear
  View Answer play_arrow