Solved papers for NEET AIPMT SOLVED PAPER MAINS 2012

done AIPMT SOLVED PAPER MAINS 2012 Total Questions - 120

• question_answer1) The dimensions of \[{{({{\mu }_{0}}{{\varepsilon }_{0}})}^{-1/2}}\] are                  
  A)
  \[[{{L}^{1/2}}T{{-}^{1/2}}]\]        
  done clear
  B)
  \[[{{L}^{-1}}T]\]
  done clear
  C)
  \[[L{{T}^{-1}}]\]
  done clear
  D)
  \[[{{L}^{1/2}}{{T}^{1/2}}]\]
  done clear
  View Answer play_arrow

• question_answer2) A stone is dropped from a height h. It hits the ground with a certain momentum p. If the same stone is dropped from a height 100% more than the previous height, the momentum when it hits the ground will change by
  A)
   68%                      
  done clear
  B)
   41%                      
  done clear
  C)
   200%                   
  done clear
  D)
   100%
  done clear
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• question_answer3) A car of mass m is moving on a level circular track of radius R. If \[{{\mu }_{s}}\], represents the static friction between the road and tyres of the car, the maximum speed of the car in circular motion is given by
  A)
  \[\sqrt{{{\mu }_{s}}mRg}\]         
  done clear
  B)
  \[\sqrt{Rg/{{\mu }_{s}}}\]           
  done clear
  C)
  \[\sqrt{m\,Rg/{{\mu }_{s}}}\]    
  done clear
  D)
  \[\sqrt{{{\mu }_{s}}Rg}\]
  done clear
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• question_answer4) A car of mass m starts from rest and accelerates so that the instantaneous power delivered to the car has a constant magnitude \[{{p}_{0}}.\]The instantaneous velocity of this car is proportional to
  A)
  \[{{t}^{2}}{{p}_{0}}\]                     
  done clear
  B)
  \[{{t}^{1/2}}\]                   
  done clear
  C)
  \[{{t}^{-1/2}}\]                 
  done clear
  D)
  \[t/\sqrt{m}\]
  done clear
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• question_answer5) A circular platform is mounted on a frictionless vertical axle. Its radius R = 2 m and its moment of inertia about the axle is\[200\text{ }kg\text{ }{{m}^{2}}\]. It is initially at rest. A 50 kg man stands on the edge of the platform and begins to walk along the edge at the speed of 1 \[m{{s}^{-1}}\] relative to the ground. Time taken by the man to complete one revolution is  
  A)
  \[\pi \sec \]       
  done clear
  B)
  \[\frac{3\pi }{2}\sec \]  
  done clear
  C)
  \[2\pi \sec \]     
  done clear
  D)
  \[\frac{\pi }{2}\sec \]
  done clear
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• question_answer6) The moment of inertia of a uniform circular disc is maximum about an axis perpendicular to the disc and passing through
  A)
   B                           
  done clear
  B)
   C                           
  done clear
  C)
   D                           
  done clear
  D)
   A
  done clear
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• question_answer7) Three masses are placed on the x-axis: 300 g at origin, 500 g at x = 40 cm and 400 g at x = 70 cm. The distance of the centre of mass from the origin is                                                                                              
  A)
   40 cm                  
  done clear
  B)
   45 cm  
  done clear
  C)
   50 cm                  
  done clear
  D)
   30 cm
  done clear
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• question_answer8) If \[{{V}_{e}}\] is escape velocity and \[{{V}_{o}}\] is orbital velocity of a satellite for orbit close to the Earth's surface, then these are related by
  A)
  \[{{v}_{o}}=\sqrt{2}{{v}^{e}}\]  
  done clear
  B)
  \[{{v}_{o}}={{v}^{e}}\]  
  done clear
  C)
  \[{{v}_{e}}=\sqrt{2{{v}^{e}}}\]  
  done clear
  D)
  \[{{v}_{e}}=\sqrt{2}{{v}_{o}}\]
  done clear
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• question_answer9) Which one of the following plots represents the variation of gravitational field on a particle with distance r due to a thin spherical shell of radius R? (r is measured from the centre of the spherical shell).
  A)
                                             
  done clear
  B)
   
  done clear
  C)
                                              
  done clear
  D)
   
  done clear
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• question_answer10) A slab of stone of area of \[0.36{{m}^{2}}\] and thickness 0.1 m is exposed on the lower surface to steam at\[100{}^\circ C\]. A block of ice at \[0{}^\circ C\] rests on the upper surface of the slab. In one hour 4.8 kg of ice is melted. The thermal conductivity of slab is                                          (Given latent heat of fusion of ice \[=3.36\times {{10}^{5}}J\,k{{g}^{-1}}\])
  A)
   \[1.24J/m/s/{}^\circ C\]              
  done clear
  B)
   \[1.29\text{ }J/m/s/{}^\circ C\]
  done clear
  C)
   \[2.05\text{ }J/m/s/{}^\circ C~\]
  done clear
  D)
   \[1.02\text{ }J/m/s/{}^\circ C\]
  done clear
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• question_answer11) An ideal gas goes from state A to state B via three different processes  as  indicated in the p-V diagram If \[{{Q}_{1}},{{Q}_{2}},{{Q}_{3}}\] indicate the   heat absorbed by the gas along the three processes and \[\Delta {{U}_{1}},\Delta {{U}_{2}},\Delta {{U}_{3}}\]indicate the change in internal energy along the three processes respectively, then                                                          
  A)
  \[{{Q}_{1}}>{{Q}_{2}}>{{Q}_{3}}and\Delta {{U}_{1}}=\Delta {{U}_{2}}=\Delta {{U}_{3}}\]
  done clear
  B)
  \[{{Q}_{3}}>{{Q}_{2}}>{{Q}_{1}}and\Delta {{U}_{1}}=\Delta {{U}_{2}}=\Delta {{U}_{3}}\]
  done clear
  C)
  \[{{Q}_{1}}={{Q}_{2}}={{Q}_{3}}and\Delta {{U}_{1}}>\Delta {{U}_{2}}>\Delta {{U}_{3}}\]
  done clear
  D)
  \[{{Q}_{3}}>{{Q}_{2}}>{{Q}_{1}}and\Delta {{U}_{1}}>\Delta {{U}_{2}}>\Delta {{U}_{3}}\]
  done clear
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• question_answer12) The equation of a simple harmonic wave is given by\[y=3\sin \frac{\pi }{2}(50t-x),\]where x and y are in metres and t is in seconds. The ratio of maximum particle velocity to the wave velocity is
  A)
   \[2\pi \]                              
  done clear
  B)
  \[\frac{3}{2}\pi \]                            
  done clear
  C)
   \[3\pi \]                              
  done clear
  D)
  \[\frac{2}{3}\pi \]
  done clear
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• question_answer13) A train moving at a speed of 220 \[m{{s}^{-1}}\]towards a stationary object, emits a sound of frequency 1000 Hz. Some of the sound reaching the object gets reflected back to the train as echo. The frequency of the echo as detected by the driver of the train is (speed of sound in air is 330 \[m{{s}^{-1}}\])                                                            
  A)
   3500 Hz               
  done clear
  B)
   4000 Hz               
  done clear
  C)
   5000 Hz        
  done clear
  D)
   3000 Hz
  done clear
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• question_answer14) A parallel plate capacitor has a uniform electric field E in the space between the plates. If the distance between the plates is d and area of each plate is A, the energy stored in the capacitor is
  A)
  \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}\]          
  done clear
  B)
  \[{{E}^{2}}Ad/{{\varepsilon }_{0}}\]        
  done clear
  C)
  \[\frac{1}{2}{{\varepsilon }_{0}}{{E}^{2}}Ad\]     
  done clear
  D)
  \[{{\varepsilon }_{0}}EAd\]
  done clear
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• question_answer15) Two metallic spheres of radii 1 cm and 3 cm are given charges of \[-1\times {{10}^{-2}}C\] and \[5\times {{10}^{-2}}C,\]respectively.  If these are connected by a conducting wire, the final charge on the bigger sphere is
  A)
  \[2\times {{10}^{-2}}C\]               
  done clear
  B)
  \[3\times {{10}^{-2}}C\]               
  done clear
  C)
  \[4\times {{10}^{-2}}C\]               
  done clear
  D)
  \[1\times {{10}^{-2}}C\]
  done clear
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• question_answer16) The power dissipated in the circuit shown in the figure is 30 Watt. The value of R is
  A)
  \[20\,\Omega \]                              
  done clear
  B)
   \[15\,\Omega \]             
  done clear
  C)
  \[10\,\Omega \]                              
  done clear
  D)
  \[30\,\Omega \]
  done clear
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• question_answer17) A cell having an emf e and internal resistance r is connected across a variable external resistance R. As the resistance R is increased, the plot of potential difference V across R is given by       
  A)
                                                  
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
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• question_answer18) A proton carrying 1 MeV kinetic energy is moving in a circular path of radius R in uniform magnetic field. What should be the energy of an \[\text{ }\!\!\alpha\!\!\text{ -}\]particle to describe a circle of same radius in the same field?
  A)
   2 MeV                 
  done clear
  B)
   1 MeV 
  done clear
  C)
   0.5 MeV             
  done clear
  D)
   4 MeV
  done clear
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• question_answer19) A magnetic needle suspended parallel to a magnetic field requires \[\sqrt{\text{3}}\,\text{J}\] of work to turn it through\[60{}^\circ \]. The torque needed to maintain the needle in this position will be                             
  A)
  \[2\sqrt{\text{3}}\,\text{J}\]     
  done clear
  B)
  \[3\,\text{J}\]                   
  done clear
  C)
  \[\sqrt{\text{3}}\,\text{J}\]                        
  done clear
  D)
  \[\frac{3}{2}\,\text{J}\]
  done clear
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• question_answer20) The instantaneous values of alternating current and voltages in a circuit are given as \[i=\frac{1}{\sqrt{2}}\sin (100\pi t)\]ampere \[e=\frac{1}{\sqrt{2}}\sin (100\pi t+\pi /3)\] volt                                       The average power in Watts consumed in the circuit is
  A)
  \[\frac{1}{4}\]                   
  done clear
  B)
  \[\frac{\sqrt{3}}{4}\]                     
  done clear
  C)
  \[\frac{1}{2}\]                   
  done clear
  D)
  \[\frac{1}{8}\]
  done clear
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• question_answer21) In a coil of resistance \[10\,\Omega \], the induced   2 current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through the coil in weber is
  A)
   8                            
  done clear
  B)
   2            
  done clear
  C)
   6                            
  done clear
  D)
   4
  done clear
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• question_answer22) The ratio of amplitude of magnetic field to the amplitude of electric field for an electromagnetic wave propagating in vacuum is equal to
  A)
   the speed of light in vacuum
  done clear
  B)
   reciprocal of speed of light in vacuum
  done clear
  C)
   the ratio of magnetic permeability to the electric susceptibility of vacuum
  done clear
  D)
   unity
  done clear
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• question_answer23) For the angle of minimum deviation of a prism to be equal to its refracting angle, the prism must be made of a material whose refractive index                                                                               
  A)
   lies between \[\sqrt{2}\] and 1
  done clear
  B)
   lies between 2 and \[\sqrt{2}\]
  done clear
  C)
   is less than 1
  done clear
  D)
   is greater than 2
  done clear
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• question_answer24) A rod of length 10 cm lies along the principal axis of a concave mirror of focal length 10 cm in such a way that its end closer to the pole is 20 cm away from the mirror. The length of the image is
  A)
   10 cm  
  done clear
  B)
   15 cm  
  done clear
  C)
   2.5 cm
  done clear
  D)
   5 cm
  done clear
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• question_answer25) If the momentum of an electron is changed by p, then the de-Broglie wavelength associated with it changes by 0.5%. The initial momentum of electron will be                                                           
  A)
   200 p   
  done clear
  B)
   400 p   
  done clear
  C)
  \[\frac{p}{200}\]              
  done clear
  D)
   100 p
  done clear
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• question_answer26) Two radiations of photon energies 1 eV and 2.5 eV, successively illuminate a photosensitive metallic surface of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons is
  A)
   1 : 4      
  done clear
  B)
   1 : 2      
  done clear
  C)
   1 : 1      
  done clear
  D)
   1 : 5
  done clear
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• question_answer27) The transition from the state n = 3 to n = 1 in a hydrogen like atom results in ultraviolet radiation. Infrared radiation will be obtained in the transition from                                                   
  A)
   \[2\to 1\]           
  done clear
  B)
  \[3\to 2\]            
  done clear
  C)
   \[4\to 2\]           
  done clear
  D)
  \[4\to 3\]
  done clear
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• question_answer28) The half-life of a radioactive nucleus is 50 days. The time interval \[({{t}_{2}}-{{t}_{1}})\] between the time t2 when \[\frac{2}{3}\] of it has decayed and the time t1 when \[\frac{1}{3}\] of it had decayed is                                              
  A)
   30 days         
  done clear
  B)
   50 days               
  done clear
  C)
   60 days         
  done clear
  D)
   15 days
  done clear
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• question_answer29) The input resistance of a silicon transistor is 100 \[\Omega \]. Base current is changed by 40 \[\mu A\] which results in a change in collector current by 2 mA. This transistor is used as a common-emitter amplifier with a load resistance of 4 k\[\Omega \]. The voltage gain of the amplifier is
  A)
   2000                     
  done clear
  B)
   3000     
  done clear
  C)
   4000                     
  done clear
  D)
   1000
  done clear
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• question_answer30) To get an output Y = 1 in given circuit which of the following input will be correct              
  A)
  A-1         B-0         C-0
  done clear
  B)
  A-1         B-0         C-1
  done clear
  C)
  A-1         B-1         C-0
  done clear
  D)
  A-0         B-1         C-0
  done clear
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• question_answer31) Given that the equilibrium constant for the reaction,\[2S{{O}_{2}}(g)+{{O}_{2}}(g)2S{{O}_{3}}(g)\]has a value of 278 at a particular temperature. What is the value of the equilibrium constant for the following reaction at the same temperature?\[S{{O}_{3}}(g)S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)\]                                       
  A)
   \[1.8\times {{10}^{-3}}\]             
  done clear
  B)
   \[3.6\times {{10}^{-3}}\]             
  done clear
  C)
   \[6.0\times {{10}^{-2}}\]             
  done clear
  D)
   \[1.3\times {{10}^{-5}}\]
  done clear
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• question_answer32) Structure of a mixed oxide is cubic close packed (ccp). The cubic unit cell of mixed oxide is composed of oxide ions. One fourth of the tetrahedral voids are occupied by divalent metal A and the octahedral voids are occupied by a monovalent metal B. The formula of the oxide is                                             
  A)
   \[AB{{O}_{2}}\]               
  done clear
  B)
   \[{{A}_{2}}B{{O}_{2}}\]
  done clear
  C)
   \[{{A}_{2}}{{B}_{3}}{{O}_{4}}\] 
  done clear
  D)
   \[A{{B}_{2}}{{O}_{2}}\]
  done clear
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• question_answer33) Given the reaction between two gases represented by \[{{A}_{2}}\] and \[{{B}_{2}}\] to give the compound AB(g).\[{{A}_{2}}(g)+{{B}_{2}}(g)2AB(g)\] At equilibrium, the concentration of \[{{A}_{2}}=3.0\times {{10}^{-3}}M\] of\[{{B}_{2}}=4.2\times {{10}^{-3}}M\] of\[AB=2.8\times {{10}^{-3}}M\]If the reaction \[{{527}^{o}}C\]takes place in a sealed vessel at\[{{527}^{o}}C\], then the value of K, will be
  A)
   2.0                        
  done clear
  B)
   1.9                        
  done clear
  C)
   0.62                      
  done clear
  D)
   4.5
  done clear
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• question_answer34) Activation energy \[({{E}_{a}})\] and rate constants (\[{{k}_{1}}\] and\[{{k}_{2}}\]) of a chemical reaction at two different temperatures T1 and \[{{T}_{2}}\]) are related by
  A)
  \[\ln \frac{{{k}_{2}}}{{{k}_{1}}}=-\frac{{{E}_{a}}}{R}\left( \frac{1}{{{T}_{1}}}-\frac{1}{{{T}_{2}}} \right)\]
  done clear
  B)
  \[\ln \frac{{{k}_{2}}}{{{k}_{1}}}=-\frac{{{E}_{a}}}{R}\left( \frac{1}{{{T}_{2}}}-\frac{1}{{{T}_{1}}} \right)\]
  done clear
  C)
  \[\ln \frac{{{k}_{2}}}{{{k}_{1}}}=-\frac{{{E}_{a}}}{R}\left( \frac{1}{{{T}_{2}}}+\frac{1}{{{T}_{1}}} \right)\]
  done clear
  D)
  \[\ln \frac{{{k}_{2}}}{{{k}_{1}}}=\frac{{{E}_{a}}}{R}\left( \frac{1}{{{T}_{1}}}-\frac{1}{{{T}_{2}}} \right)\]
  done clear
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• question_answer35) During change of O2 to \[O_{2}^{-}\] ion, the electron adds on which one of the following orbitals?
  A)
  \[\overset{\text{*}}{\mathop{\text{ }\!\!\pi\!\!\text{ }}}\,\]orbital        
  done clear
  B)
   \[\text{ }\!\!\pi\!\!\text{ }\]orbital        
  done clear
  C)
   \[\overset{\text{*}}{\mathop{\sigma }}\,\]orbital          
  done clear
  D)
  \[\overset{{}}{\mathop{\sigma }}\,\]
  done clear
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• question_answer36) Standard reduction potentials of the half reactions are given below 

  \[{{F}_{2}}(g)=2{{e}^{-}}\xrightarrow[{}]{{}}2{{F}^{-}}(aq);\]\[{{E}^{o}}=+\,2.85\,V\]

  \[C{{l}_{2}}(g)+2{{e}^{-}}\xrightarrow[{}]{{}}2C{{l}^{-}}(aq);\]\[{{E}^{o}}=+\,1.36\,V\]

  \[B{{r}_{2}}(l)+2{{e}^{-}}\xrightarrow[{}]{{}}2B{{r}^{-}}(aq);\]\[{{E}^{o}}=+1.06\,V\]

  \[{{I}_{2}}(s)+2{{e}^{-}}\xrightarrow[{}]{{}}2{{I}^{-}}(aq);\]\[{{E}^{o}}=+0.53\,V\]

  A)
   \[{{F}_{2}}\]and \[{{I}^{-}}\]
  done clear
  B)
   \[B{{r}_{2}}\] and \[C{{l}^{-}}\]
  done clear
  C)
   \[C{{l}_{2}}\] and \[B{{r}^{-}}\]                
  done clear
  D)
   \[C{{l}_{2}}\] and \[{{I}_{2}}\]
  done clear
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• question_answer37) A certain gas takes three times as long to effuse out as helium. Its molecular mass will be
  A)
   27u                       
  done clear
  B)
   36u              
  done clear
  C)
   64 u                      
  done clear
  D)
   9 u               
  done clear
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• question_answer38) The orbital angular momentum of p-electron is given as                         
  A)
  \[\frac{h}{\sqrt{2\pi }}\]              
  done clear
  B)
  \[\sqrt{3}\frac{h}{2\pi }\]            
  done clear
  C)
  \[\sqrt{\frac{3}{2}}\frac{h}{\pi }\]            
  done clear
  D)
  \[\sqrt{6}.\frac{h}{2\pi }\]
  done clear
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• question_answer39) Vapour pressure of chloroform \[(CHC{{l}_{3}})\] and dichloromethane \[(C{{H}_{2}}C{{l}_{2}})\] at \[{{25}^{o}}C\] are 200 mmHg and 41.5 mmHg respectively. Vapour pressure of the solution obtained by mixing 25.5 g of \[CHC{{l}_{3}}\] and 40 g of\[C{{H}_{2}}C{{l}_{2}}\]at the same temperature will be (Molecular mass of \[CHC{{l}_{3}}=119.5\,u\]and molecular mass of
  A)
   173.9 mmHg    
  done clear
  B)
   615.0 mmHg
  done clear
  C)
   347.9 mmHg    
  done clear
  D)
   28.5 mmHg
  done clear
  E)
  None of the above
  done clear
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• question_answer40) Molar conductivities \[(\Lambda _{m}^{o})\] at infinite dilution of \[NaCl,\]\[HCl\]and \[C{{H}_{3}}COONa\] are 126.4, 425.9 and\[91.0\]\[S\]\[c{{m}^{2}}\]\[mo{{l}^{-1}}\]respectively. \[\Lambda _{m}^{o}\] for \[C{{H}_{3}}COOH\] will be                                                         
  A)
  \[\text{425}\text{.5}\,\,\text{S}\,\,\text{c}{{\text{m}}^{\text{2}}}\,\text{mo}{{\text{l}}^{\text{-1}}}\]  
  done clear
  B)
  \[\text{180}\text{.5}\,\,\text{S}\,\,\text{c}{{\text{m}}^{\text{2}}}\,\text{mo}{{\text{l}}^{\text{-1}}}\]
  done clear
  C)
  \[\text{290}\text{.8}\,\,\text{S}\,\,\text{c}{{\text{m}}^{\text{2}}}\,\text{mo}{{\text{l}}^{\text{-1}}}\]  
  done clear
  D)
  \[\text{390}\text{.5}\,\,\text{S}\,\,\text{c}{{\text{m}}^{\text{2}}}\,\text{mo}{{\text{l}}^{\text{-1}}}\]
  done clear
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• question_answer41) For real gases van der Waals' equation is. Written as\[\left( p+\frac{a{{n}^{2}}}{{{V}^{2}}} \right)(V-nb)=n\,RT\]written where, a and b are van der Waals' constants.                                                                             Two sets of gases are\[\text{I}\text{.}{{\text{O}}_{\text{2}}}\text{,C}{{\text{O}}_{\text{2}}}\text{,}{{\text{H}}_{\text{2}}}\]and He \[\text{II}\text{.C}{{\text{H}}_{4}}\text{,}{{\text{O}}_{\text{2}}}\]and\[{{\text{H}}_{\text{2}}}\] The gases given in set-I in increasing order of 'b' and gases given in set-II in decreasing order of ' a', are arranged below. Select the correct order from the following,              
  A)
  \[\text{(I)}\,\text{He}\,\text{}\,{{\text{H}}_{\text{2}}}\text{}\,\text{C}{{\text{O}}_{\text{2}}}\text{}\,{{\text{O}}_{\text{2}}}\] \[\text{(II)}\,\text{C}{{\text{H}}_{\text{4}}}\,\text{}\,{{\text{H}}_{\text{2}}}\text{}\,{{\text{O}}_{\text{2}}}\]
  done clear
  B)
  \[\text{(I)}\,\,{{\text{O}}_{\text{2}}}\text{}\,\text{He}\,\,\text{}\,{{\text{H}}_{\text{2}}}\text{}\,\text{C}{{\text{O}}_{\text{2}}}\]\[\text{(II)}\,\,{{\text{H}}_{\text{2}}}\text{}\,{{\text{O}}_{\text{2}}}\,\,\text{}\,\text{C}{{\text{H}}_{4}}\]
  done clear
  C)
  \[\text{(I)}\,\,{{\text{H}}_{\text{2}}}\text{}\,\text{He}\,\,\text{}\,{{\text{O}}_{\text{2}}}\text{}\,\text{C}{{\text{O}}_{\text{2}}}\]\[\text{(II)}\,\text{C}{{\text{H}}_{\text{4}}}\text{}\,{{\text{O}}_{\text{2}}}\text{}\,{{\text{H}}_{\text{2}}}\]
  done clear
  D)
  \[\text{(I)}\,{{\text{H}}_{2}}<\,{{\text{O}}_{\text{2}}}<\,\text{He}\,\text{}\,\text{C}{{\text{O}}_{\text{2}}}\]\[\text{(II)}\,\,{{\text{O}}_{\text{2}}}\text{}\,\text{C}{{\text{H}}_{\text{2}}}\,\text{}\,{{\text{H}}_{\text{2}}}\]
  done clear
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• question_answer42) Equal volumes of two monoatomic gases, A and B, at same temperature and pressure are mixed. The ratio of specific heats\[(cp/cv)\] of the mixture will be                                  
  A)
   0.83      
  done clear
  B)
   1.50      
  done clear
  C)
   3.3        
  done clear
  D)
   1.67
  done clear
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• question_answer43) Red precipitate is obtained when ethanol solution of dimethylglyoxime is added to ammonia cal Ni(II). Which of the following statements is not true?                            
  A)
   Red complex has a square planar geometry
  done clear
  B)
   Complex has symmetrical H-bonding
  done clear
  C)
   Red complex has a tetrahedral geometry
  done clear
  D)
   Dimethylglyoxime functions as bin dentate ligand
  done clear
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• question_answer44) Low spin complex of \[{{d}^{6}}\]cation in an octahedral field will have the following energy

  Note: -  (\[{{\Delta }_{o}}=\] crystal field splitting energy in an octahedral field, P = electron pairing energy)

  A)
  \[\frac{-12}{5}{{\Delta }_{o}}+p\]            
  done clear
  B)
  \[\frac{-12}{5}{{\Delta }_{o}}+3p\]          
  done clear
  C)
  \[\frac{-2}{5}{{\Delta }_{o}}+2p\]            
  done clear
  D)
  \[\frac{-2}{5}{{\Delta }_{o}}+p\]
  done clear
  View Answer play_arrow

• question_answer45)  (\[{{\Delta }_{o}}=\] crystal field splitting energy in an octahedral field, P = electron pairing energy) Which one of the following does not correctly represent the correct order of the property indicated against it?
  A)
  \[Ti<V<Cr<Mn\]: increasing number of oxidation states
  done clear
  B)
   \[T{{i}^{3+}}<{{V}^{3+}}<C{{r}^{3+}}<M{{n}^{3+}}\]: increasing magnetic moment
  done clear
  C)
   \[Ti<V<Cr<Mn\]: increasing melting points
  done clear
  D)
   \[Ti<V<Mn<Cr\]: increasing second ionisation enthalpy
  done clear
  View Answer play_arrow

• question_answer46) Four successive members of the first series of the transition metals are listed below. For which one of them the standard potential \[({{E}^{o}}_{{{M}^{2+}}/M})\]positive sign?                                                                               
  A)
   Co (Z = 27)      
  done clear
  B)
   Ni (Z = 28)          
  done clear
  C)
   Cu (Z = 29)      
  done clear
  D)
   Fe (Z = 26)
  done clear
  View Answer play_arrow

• question_answer47) In the replacement reaction                                       The reaction will be most favorable if M happens to be
  A)
   Na        
  done clear
  B)
   K                           
  done clear
  C)
   Rb                         
  done clear
  D)
   Li
  done clear
  View Answer play_arrow

• question_answer48) In which of the following arrangements the given sequence is not strictly according to the property indicated against it?
  A)
   \[HF<HCl<HBr,HI\]: increasing acidic strength
  done clear
  B)
   \[{{H}_{2}}O<{{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te\]: increasing \[p{{K}_{a}}\]values
  done clear
  C)
   \[N{{H}_{3}}<p{{H}_{3}}<As{{H}_{3}}<Sb{{H}_{3}}\]: increasing acidic character
  done clear
  D)
   \[C{{O}_{2}}<Si{{O}_{2}}<Sn{{O}_{2}}<Pb{{O}_{2}}\]: increasing oxidising power
  done clear
  View Answer play_arrow

• question_answer49) Four diatomic species are listed below. Identify the correct order in which the bond order is increasing in them.
  A)
  \[NO<O_{2}^{-}<C_{2}^{2-}<He_{2}^{+}\]
  done clear
  B)
  \[O_{2}^{-}<NO<C_{2}^{2-}<He_{2}^{+}\]
  done clear
  C)
  \[C_{2}^{2-}<He_{2}^{+}<O_{2}^{-}<NO\]
  done clear
  D)
  \[He_{2}^{+}<O_{2}^{-}<NO<C_{2}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer50) The catalytic activity of transition metals and their compounds is ascribed mainly to
  A)
   their magnetic behaviour
  done clear
  B)
   their unfilled d-orbitals
  done clear
  C)
   their ability to adopt variable oxidation states
  done clear
  D)
   their chemical reactivity
  done clear
  View Answer play_arrow

• question_answer51) Which of the following exhibits only +3 oxidation state?
  A)
   U                           
  done clear
  B)
   Th         
  done clear
  C)
   Ac                         
  done clear
  D)
   Pa
  done clear
  View Answer play_arrow

• question_answer52) The Gibbs' energy for the decomposition of\[A{{l}_{2}}{{O}_{3}}\] at \[{{500}^{o}}C\] is as follows \[\frac{2}{3}A{{l}_{2}}{{O}_{3}}\xrightarrow[{}]{{}}\frac{4}{3}Al+{{O}_{2}};\]\[{{\Delta }_{r}}G=+\,960\,kJ\,mo{{l}^{-1}}\] The potential difference needed for the electrolytic reduction of aluminium oxide (\[A{{l}_{2}}{{O}_{3}}\]) at \[{{500}^{o}}C\] is at least
  A)
   4.5 V             
  done clear
  B)
   3.0 V    
  done clear
  C)
   2.5 V                    
  done clear
  D)
   5.0 V
  done clear
  View Answer play_arrow

• question_answer53) Chloramphenicol is an                                                   
  A)
   antifertility drug
  done clear
  B)
   antihistamin
  done clear
  C)
   antiseptic and disinfectant
  done clear
  D)
   antibiotic broad spectrum
  done clear
  View Answer play_arrow

• question_answer54) Consider the following reaction                                 The product 'A' is
  A)
  \[{{C}_{6}}{{H}_{5}}CHO\]           
  done clear
  B)
  \[{{C}_{6}}{{H}_{5}}OH\]              
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}COC{{H}_{3}}\]
  done clear
  D)
  \[{{C}_{6}}{{H}_{5}}Cl\]
  done clear
  View Answer play_arrow

• question_answer55) Which one of the following sets forms the biodegradable polymer?
  A)
  \[C{{H}_{2}}=CH-CN\]and\[C{{H}_{2}}=CH-CH=C{{H}_{2}}\]
  done clear
  B)
  \[{{H}_{2}}N-(C{{H}_{2}})-COOH\] and \[{{H}_{2}}N-{{(C{{H}_{2}})}_{5}}-COOH\]
  done clear
  C)
   \[HO-C{{H}_{2}}-C{{H}_{2}}-OH\]and
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer56) An organic compound \[({{C}_{3}}{{H}_{9}}N)\] , when treated with nitrous acid, gave an alcohol and \[{{N}_{2}}\] gas was evolved. [A] on warming with \[CHC{{l}_{3}}\] and caustic potash gave (C which      on      reduction      gave iso-propylmethylamine. Predict the structure of .                                   
  A)
                             
  done clear
  B)
  \[C{{H}_{3}}C{{H}_{2}}-NH-C{{H}_{3}}\]
  done clear
  C)
  \[\text{C}{{\text{H}}_{\text{3}}}-\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{C}{{\text{H}}_{\text{3}}} \end{smallmatrix}}{\mathop{\text{N}}}\,-\text{C}{{\text{H}}_{\text{3}}}\]         
  done clear
  D)
  \[C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}-N{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer57) Which of the following reagents will be able to distinguish between 1-butyne and 2-butyne?
  A)
  \[NaN{{H}_{2}}\]             
  done clear
  B)
  \[HCl\]                 
  done clear
  C)
  \[{{O}_{2}}\]                     
  done clear
  D)
  \[B{{r}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer58) Consider the reaction, \[RCHO+N{{H}_{2}}N{{H}_{2}}\xrightarrow[{}]{{}}RCH=N-N{{H}_{2}}\]What sort of reaction is it?                
  A)
   Electrophilic addition elimination reaction                                  
  done clear
  B)
   Free   radical   addition   elimination   reaction                                  
  done clear
  C)
   Electrophilic substitution elimination   reaction                                  
  done clear
  D)
   Nucleophilic    addition    elimination   reaction
  done clear
  View Answer play_arrow

• question_answer59) Which of the following compounds will give a yellow precipitate with iodine and alkali?
  A)
   Acetophenone               
  done clear
  B)
   Methyl acetate
  done clear
  C)
   Acetamide       
  done clear
  D)
   2-hydroxypropane
  done clear
  View Answer play_arrow

• question_answer60) Which of the following compounds can be used as antifreeze in automobile radiators?
  A)
   Methyl alcohol                
  done clear
  B)
   Glycol             
  done clear
  C)
   Nitrophenol     
  done clear
  D)
   Ethyl alcohol 
  done clear
  View Answer play_arrow

• question_answer61) How many organisms in the list given below are autotrophs? Lactobadllus, Nostoc, Chara, Nitrosomonas, Nitrobacter, Streptomyces, Saccharomyces, Trypdnosoma, Porphyra, Wolffia.
  A)
   Four     
  done clear
  B)
   Five      
  done clear
  C)
   Six                        
  done clear
  D)
   Three
  done clear
  View Answer play_arrow

• question_answer62) Read the following five statements and answer as asked next to them  

  I. In Equisetum the female gametophyte is retained on the parent sporophyte.

  II. In Ginkgo male gametophyte is not independent.

  III. The sporophyte in Riccia, is more developed than that in Polytrichum.

  IV. Sexual reproduction in Volvox is isogamous.

  V. The spores of slime molds lack cell walls. How many of the above statements are correct?

  A)
   Two     
  done clear
  B)
   Three  
  done clear
  C)
   Four     
  done clear
  D)
   One
  done clear
  View Answer play_arrow

• question_answer63) Which one of the following pairs is wrongly matched?
  A)
   Ginkgo                 - Archegonia
  done clear
  B)
   Salvinia                - Prothallus
  done clear
  C)
   Viroids                                 - RNA
  done clear
  D)
   Mustard              - Synergids.
  done clear
  View Answer play_arrow

• question_answer64) In   the   five-kingdom   classification, Chlamydomonas and Chlorella have been induced in
  A)
   Protista          
  done clear
  B)
   Algae   
  done clear
  C)
   Plantae         
  done clear
  D)
   Monera
  done clear
  View Answer play_arrow

• question_answer65) For its activity, carboxypeptidase requires           
  A)
   zinc      
  done clear
  B)
   iron      
  done clear
  C)
   niacin  
  done clear
  D)
   copper
  done clear
  View Answer play_arrow

• question_answer66) Which one of the following structures is an organelle within an organelle?
  A)
   Ribosome          
  done clear
  B)
   Peroxisome      
  done clear
  C)
   ER                         
  done clear
  D)
   Mesosome
  done clear
  View Answer play_arrow

• question_answer67) Which one of the following is a wrong statement regarding mutations?
  A)
   Deletion and insertion of base pairs cause frame-shift mutations
  done clear
  B)
   Cancer cells commonly show chromosomal aberrations
  done clear
  C)
   UV and gamma rays are mutagens
  done clear
  D)
   Change in a single base pair of DNA does not cause mutation
  done clear
  View Answer play_arrow

• question_answer68) A test cross is carried out to                                       
  A)
   determine the genotype of a plant at \[{{F}_{2}}\]+
  done clear
  B)
   predict whether two traits are linked
  done clear
  C)
   assess the number of alleles of a gene
  done clear
  D)
   determine whether two species or varieties will breed successfully
  done clear
  View Answer play_arrow

• question_answer69) Read the following four statement.                        

  I. In transcription, adenosine pairs with uracil.

  II. Regulation of lac operon by represser is referred to as positive regulation.

  III. The human genome has approximately 50000 genes.

  IV. Haemophilia is a sex-linked recessive disease.

  How many of the above statements are right?
  A)
   Two     
  done clear
  B)
   Three  
  done clear
  C)
   Four     
  done clear
  D)
   One
  done clear
  View Answer play_arrow

• question_answer70) Which one of the following organisms is correctly matched with   its three characteristics?
  A)
   Pea\[-{{\text{C}}_{\text{3}}}\]-pathway, endospermic seed, vexillary aestivation                       
  done clear
  B)
   Tomato-Twisted aestivation, axile placentation, berry
  done clear
  C)
   Onion-Bulb, imbricate aestivation, axile placentation -                             
  done clear
  D)
   Maize\[-{{\text{C}}_{\text{3}}}\]-pathway, closed vascular bundles, scutellum                         
  done clear
  View Answer play_arrow

• question_answer71) How many plants in-the list given below have marginal placentation?                     Mustard, Gram, Tulip, Asparagus, Arhar, Sunnhemp, Chilli, Colchicine, Onion, Moong,      Pea, Tobacco, Lupin                     
  A)
   Four     
  done clear
  B)
   Five      
  done clear
  C)
   Six                        
  done clear
  D)
   Three      
  done clear
  View Answer play_arrow

• question_answer72) Read the following four statements.                      

  I. Botli, photophosphorylation and oxidative phosphorylation involve uphill transport   of protons   across   the membrane.

  II. In dicot stems, a new cambium originates from cells of pericycle at the time of secondary growth.

  III. Stamens in flowers of Gloriosa and Petunia are polyandrous.

  IV. Symbiotic nitrogen fixers occur in free living state also in soil.

  How many of the above statements are right?   
  A)
   two      
  done clear
  B)
   Three  
  done clear
  C)
   Four     
  done clear
  D)
   One
  done clear
  View Answer play_arrow

• question_answer73) Through their effect on plant growth regulators, what do the temperature and light control in the plants?
  A)
   Apical dominance          
  done clear
  B)
   Flowering
  done clear
  C)
   Closure of stomata        
  done clear
  D)
   Fruit elongation
  done clear
  View Answer play_arrow

• question_answer74) Which one of the following generally acts as an antagonist to gibberellins?          
  A)
   Zeatin                 
  done clear
  B)
   Ethylene            
  done clear
  C)
   ABA                     
  done clear
  D)
   IAA
  done clear
  View Answer play_arrow

• question_answer75) As compared to a dicot root, a monocot root has             
  A)
   more abundant secondary xylem
  done clear
  B)
   many xylem bundles
  done clear
  C)
   inconspicuous annual rings
  done clear
  D)
   relatively thicker periderm
  done clear
  View Answer play_arrow

• question_answer76) For its action, nitrogenase requires                         
  A)
   high input of energy
  done clear
  B)
   light
  done clear
  C)
  \[\text{M}{{\text{n}}^{\text{2+}}}\]
  done clear
  D)
   super oxygen radicals
  done clear
  View Answer play_arrow

• question_answer77) Vernalization stimulates flowering in                     
  A)
   zamikand           
  done clear
  B)
   turmeric             
  done clear
  C)
   carrot                  
  done clear
  D)
   ginger
  done clear
  View Answer play_arrow

• question_answer78) What is the function of germ pore?                        
  A)
   Emergence of radicale
  done clear
  B)
   Absorption of water for seed germination
  done clear
  C)
   Initiation of pollen tube
  done clear
  D)
   Release of male gametes
  done clear
  View Answer play_arrow

• question_answer79) Which one of the following-statements is wrong?           
  A)
   When pollen is shed at two-celled stage, double fertilization does not take place
  done clear
  B)
   Vegetative cell is larger than generative cell
  done clear
  C)
   Pollen grains in some plants remain viable for months
  done clear
  D)
   In tine is made up of cellulose and pectin
  done clear
  View Answer play_arrow

• question_answer80) Plants with ovaries having only one or a few ovules, are generally pollinated by
  A)
   bees                    
  done clear
  B)
   butterflies         
  done clear
  C)
   birds                    
  done clear
  D)
   wind
  done clear
  View Answer play_arrow

• question_answer81) Sacred grooves are specially useful in                    
  A)
   generating environmental awareness
  done clear
  B)
   preventing soil erosion
  done clear
  C)
   year-round flow of water in rivers
  done clear
  D)
   conserving rare and threatened species
  done clear
  View Answer play_arrow

• question_answer82) The rate of formation of new organic matter by rabbit in a grassland, is called                    
  A)
   net productivity
  done clear
  B)
   secondary productivity
  done clear
  C)
   net primary productivity
  done clear
  D)
   gross primary productivity
  done clear
  View Answer play_arrow

• question_answer83) Cuscuta is an example of                                             
  A)
   ectoparasitism                
  done clear
  B)
   brood parasitism
  done clear
  C)
   predadon          
  done clear
  D)
   endoparasitism
  done clear
  View Answer play_arrow

• question_answer84) The second stage of hydrosere is occupied by plants like
  A)
   Azolla            
  done clear
  B)
   Typha  
  done clear
  C)
   Salix                     
  done clear
  D)
   Vallisneria
  done clear
  View Answer play_arrow

• question_answer85) Green revolution in India occurred during           
  A)
   1960's  
  done clear
  B)
   1970's  
  done clear
  C)
   1980's  
  done clear
  D)
   1950's
  done clear
  View Answer play_arrow

• question_answer86) In gobar gas, the maximum amount is that of    
  A)
   butane               
  done clear
  B)
   methane           
  done clear
  C)
  propane        
  done clear
  D)
   carbon dioxide
  done clear
  View Answer play_arrow

• question_answer87) Read the following four statements:                      

  I. Colostrum is recommended for the new born because it is rich in antigens.

  II. Chikengunya is caused by a Gram negative bacterium.

  III. Tissue culture has proved useful in obtaining virus-free plants.

  IV. Beer is manufactured by distillation of fermented grape juice.

  How many of the above statements are wrong?
  A)
   Two     
  done clear
  B)
   Three  
  done clear
  C)
   Four     
  done clear
  D)
   One
  done clear
  View Answer play_arrow

• question_answer88) Tobacco plants resistant to a nematode have been developed by the introduction of DNA that produced (in the host cells)
  A)
   both sense and antisense RNA
  done clear
  B)
   a particular hormone
  done clear
  C)
   an anti-feed ant
  done clear
  D)
   a toxic protein
  done clear
  View Answer play_arrow

• question_answer89) Biolistics (gene-gun) is suitable for                          
  A)
   disarming pathogen vectors
  done clear
  B)
   transformation of plant cells
  done clear
  C)
   constructing recombinant DNA by joining with vectors
  done clear
  D)
   DNA fingerprinting
  done clear
  View Answer play_arrow

• question_answer90) In genetic engineering, the antibiotics are used
  A)
   as selectable markers
  done clear
  B)
   to select healthy vectors
  done clear
  C)
   as sequences from where replication starts.
  done clear
  D)
   to keep the cultures free of infection
  done clear
  View Answer play_arrow

• question_answer91) Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them?               
  A)
   Pteropus and Omithorhynchus-Viviparity
  done clear
  B)
   Garden lizard and crocodile-three chambered heart
  done clear
  C)
   Ascaris and Ancyiostoma-Metameric segmentation
  done clear
  D)
   Sea horse and flying fish- Cold blooded (poikilothermal)
  done clear
  View Answer play_arrow

• question_answer92) Which one of the following categories of animals, is correctly described with no single exception in it?
  A)
   All reptiles possess scales, have a three- chambered heart and are cold-blooded (poikilothermal)
  done clear
  B)
   All bony fishes have four pairs of gills and an operculum on each side
  done clear
  C)
   All sponges are marine and have collared Ceils
  done clear
  D)
   All mammals are viviparous and possess diaphragm for breathing
  done clear
  View Answer play_arrow

• question_answer93) Which one of the following organisms is scientifically correctly named, correctly printed according to the International Rules of Nomenclature and correctly described?                                  
  A)
   Musca domestica-The common house lizard, a reptile
  done clear
  B)
   Plasmodium falciparum-A protozoan pathogen causing the most serious type of malaria
  done clear
  C)
   Felis tigris-The Indian tiger, well protected in Gir forests
  done clear
  D)
   E.coli-Full name Entamoeba coli, a commonly occurring bacterium in human intestine
  done clear
  View Answer play_arrow

• question_answer94) Which one of the following cellular parts is correctly described?
  A)
   Thylakoids-Flattened membranous sacs forming the grana of chloroplasts
  done clear
  B)
   Centrioles-Sites   for   active   RNA synthesis
  done clear
  C)
   Ribosomes-Those on chloroplasts are larger (80 S) while those in the cytoplasm are smaller (70 S)
  done clear
  D)
   Lysosomes-Optimally active at a pH of about 8.5
  done clear
  View Answer play_arrow

• question_answer95) Identify the meiotic stage in which the- homologous chromosomes separate while the sister chromatids remain associated at their centromeres                                                                               
  A)
   metaphase-I                    
  done clear
  B)
   metaphase-II
  done clear
  C)
   anaphase-I      
  done clear
  D)
   anaphase-II
  done clear
  View Answer play_arrow

• question_answer96) Which one of the following biomolecules is correctly characterised?
  A)
   Lecithin-A phosphorylated glyceride found in cell membrane
  done clear
  B)
   Palmitic acid-An unsaturated fatty .acid with 18 carbon atoms
  done clear
  C)
   Adenylic acid-Adenosine with a glucose phosphate molecule
  done clear
  D)
   Alanine amino acid-Contains an amino group and an acidic group anywhere in the molecule
  done clear
  View Answer play_arrow

• question_answer97) The idea of mutations was brought forth by       
  A)
   Hugo de Vries, who worked on evening primrose
  done clear
  B)
   Gregor Mendel, who worked on Pisum sativum
  done clear
  C)
   Hardy Weinberg, who worked on allele frequencies in a population
  done clear
  D)
   Charles Darwin, who observed a wide variety of organisms during sea voyage
  done clear
  View Answer play_arrow

• question_answer98) What is it that forms the basis of DNA fingerprinting?
  A)
   The relative proportions of purines and pyrimidines4n DNA
  done clear
  B)
   The relative difference in the DNA occurrence in blood, skin and saliva
  done clear
  C)
   The relative amount of DNA in the ridges and grooves of the fingerprints
  done clear
  D)
   Satellite DNA occurring as highly repeated short DNA segments
  done clear
  View Answer play_arrow

• question_answer99) Represented below is the inheritance pattern of a certain type of traits in humans. Which one of the following conditions could be an example of this pattern?                                                                               
  A)
   Phenylketonuria            
  done clear
  B)
   Sickle cell anaemia
  done clear
  C)
   Haemophilia    
  done clear
  D)
   Thalassemia
  done clear
  View Answer play_arrow

• question_answer100) Given below is the diagrammatic sketch of a certain type of connective tissue. Identify the parts labelled A, B, C and D, and select the right option about them                                                           
  A)

  Part A	Part B	Part C	Part D
  Macrophage	Fibroblast	Collagen fibres	Mast cells

  done clear
  B)

  Part A	Part B	Part C	Part D
  Mast cell	Macrophage	Fibroblast	Collagen fibres

  done clear
  C)

  Part A	Part B	Part C	Part D
  Macrophage	Collagen fibres Collagen fibres	Fibroblast	Mast cell

  done clear
  D)

  Part A	Part B	Part C	Part D
  Mast cell	Collagen fibres	Fibroblast	Macrophage

  done clear
  View Answer play_arrow

• question_answer101) Which one of the following options gives the correct categorisation of six animals according to the type of nitrogenous wastes (A, B, C), they give out?                                                                      
  A)

  A Ammonotelic	B Ureotelic	C Uricotelic
  Pigeon, Humans	Aguatic Amphibia, Lizards	Cockroach, Frog

  done clear
  B)

  A Ammonotelic	B Ureotelic	C Uricotelic
  Frog, Lizards	Aquatic Amphibia, Humans	Cockroach, Pigeon

  done clear
  C)

  A Ammonotelic	B Ureotelic	C Uricotelic
  Aquatic Amphibia	Frog, Humans	Pigeon, Lizards, Cockroach

  done clear
  D)

  A Ammonotelic	B Ureotelic	C Uricotelic
  Aquatic Amphibia	Cockroach, Humans	Frog, Pigeon, Lizards

  done clear
  View Answer play_arrow

• question_answer102) Where do certain symbiotic microorganisms normally occur in human body?
  A)
   Caecum
  done clear
  B)
   Oral lining and tongue surface
  done clear
  C)
   Vermiform appendix and rectum
  done clear
  D)
   Duodenum
  done clear
  View Answer play_arrow

• question_answer103) Which one of the following pairs of chemical substances, is correctly categorised?
  A)
   Calcitonin   and   thymosin-Thyroid hormones
  done clear
  B)
   Pepsin and prolactin-Two digestive enzymes secreted in stomach
  done clear
  C)
   Troponin and myosin-Complex proteins in striated muscles
  done clear
  D)
   Secretin and rhodopsin-Polypeptide hormones
  done clear
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• question_answer104) The supportive skeletal structures in the human external ears and in the nose tip are examples of
  A)
   ligament                            
  done clear
  B)
   areolar tissue
  done clear
  C)
   bone                                   
  done clear
  D)
   cartilage
  done clear
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• question_answer105) The four sketches (I, II, III and IV) given- below, represent four different types of animal tissues. Which one of these is correctly identified in the options given, along with its correct location and function?

  I.                          II.                   III.                             IV.

   
  A)

  II.	Tissue	Location	Function
  	Glandular epithelium	Intestine	Secretion

  done clear
  B)

  III.	Tissue	Location	Function
  	Collagen fibres	Cartilage	Attach skeletal muscles bones

  done clear
  C)

  IV.	Tissue	Location	Function
  	Smooth muscle tissue	Heart	Heart contraction

  done clear
  D)

  I.	Tissue	Location	Function
  	Columnar epithelium	Nephron	Secretion and absorption

  done clear
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• question_answer106) A fall in glomerular, filtration rate (GFR) activates
  A)
   juxta glomerular cells to release renin
  done clear
  B)
   adrenal cortex to release aldosterone
  done clear
  C)
   adrenal medulla to release adrenaline
  done clear
  D)
   posterior pituitary to release vasopressin
  done clear
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• question_answer107) Which one of the following characteristics is common both in humans and adult frogs?
  A)
   Four chambered heart
  done clear
  B)
   Internal fertilization
  done clear
  C)
   Nucleated RBCs
  done clear
  D)
   Ureotelic mode of excretion
  done clear
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• question_answer108) Identify the human developmental stage shown below as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two together           
  A)

  Developmental stage	Site of occurrence
  Late morula	Middle part of fallopian tube

  done clear
  B)

  Developmental stage	Site of occurrence
  Blastula	End part of fallopian tube

  done clear
  C)

  Developmental stage	Site of occurrence
  Blastocyst	Uterine wall

  done clear
  D)

  Developmental stage	Site of occurrence
  8-celled morula	Starting point of fallopian tube

  done clear
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• question_answer109) Which one of the following human organs is often called the 'graveyard' of RBCs?
  A)
   Gall bladder      
  done clear
  B)
   Kidney
  done clear
  C)
   Spleen                
  done clear
  D)
   Liver
  done clear
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• question_answer110) The secretory phase in the human menstrual cycle is also called
  A)
   luteal phase and lasts for about 6 days
  done clear
  B)
   follicular phase lasting for about 6 days
  done clear
  C)
   luteal phase and lasts for about 13 days
  done clear
  D)
   follicular phase and lasts for about 13 days
  done clear
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• question_answer111) Select   the   correct   statement   about biodiversity       
  A)
   The desert areas of Rajasthan and Gujarat have a very high level of desert animal species as well as numerous rare animals
  done clear
  B)
   Large scale planting of Bt cotton has no adverse effect on biodiversity
  done clear
  C)
   Western Gnats have a very high degree of species richness and endemism
  done clear
  D)
   Conservation of biodiversity is just a fad pursued by the developed countries
  done clear
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• question_answer112) The domestic sewage in large cities                        
  A)
   has a high BOD as it contains both aerobic and anaerobic bacteria
  done clear
  B)
   is processed by aerobic and then anaerobic bacteria in the secondary treatment in Sewage Treatment Plants (STPs)
  done clear
  C)
   when treated in STPs does not really require the aeration step as the sewage contains adequate oxygen
  done clear
  D)
   has very high amounts of suspended solids and dissolved salts
  done clear
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• question_answer113) Which one of the following sets of items in the options 1-4 are correctly categorized with one exception in it?   
  A)

  Items	Category	Exception
  UAA, UAG, UGA	Stop codons	UAG

  done clear
  B)

  Items	Category	Exception
  Kangaroo, Koala, Wombat	Australian marsupials	Wombat

  done clear
  C)

  Items	Category	Exception
  Plasmodium, Cuscuta, Trypanosoma	Protozoan parasites	Cuscuta

  done clear
  D)

  Items	Category	Exception
  Typhoid, Pneumonia, Diphtheria	Bacterial diseases	Diphtheria

  done clear
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• question_answer114) Identify the likely organisms (I, II) (III) and (IV) in the food web shown below
  A)

  (I)	(II)	(III)	(IV)
  Deer	Rabbit	Frog	Rat

  done clear
  B)

  (I)	(II)	(III)	(IV)
  Dog	Squirrel	bat	Deer

  done clear
  C)

  (I)	(II)	(III)	(IV)
  Rat	dog	tortoise	Crow

  done clear
  D)

  (I)	(II)	(III)	(IV)
  squirrel	cat	Rat	pigeon

  done clear
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• question_answer115) Consider the following four statements (I-IV) and select the option which includes all the correct ones only

  I. Single cell Spiruliria can produce large quantities of food rich in protein, minerals, vitamins etc.

  II. Body weight-wise the microorganism Methylophilus methylotrophus may be able to produce several times more proteins than the cows per day.

  III. Common button mushrooms are a very rich source of vitamin-C.

  IV. A rice variety has been developed which is very rich in calcium.

  A)
   Statements (III), (IV)
  done clear
  B)
   Statements (I), (III) and (IV)
  done clear
  C)
   Statements (II), (III) and (IV)
  done clear
  D)
   Statements (I), (II)
  done clear
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• question_answer116) Identify the molecules [a] and [b] shown below and select the right option giving their source and use

  I.                  II.

   
  A)

  Molecule	Source	Use
  I. Cocaine	Erythroxylum coca	Accelerates the transport of dopamine

  done clear
  B)

  Molecule	Source	Use
  II. Heroin	Cannabis sativa	Depressant and slows down body functions.

  done clear
  C)

  Molecule	Source	Use
  II. Cannabinoid	Atropa belladonna	Produces hallucinations

   
  done clear
  D)

  Molecule	Source	Use
  I. morphine	Papaver sommiferum	Sedative and pain killer

  done clear
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• question_answer117) Which one of the following statements is correct with respect to immunity?
  A)
   Preformed antibodies need to be injected to treat the bite by a viper snake
  done clear
  B)
   The antibodies against small pox pathogen are produced by T-lymphocytes
  done clear
  C)
   Antibodies are protein molecules, each of which has four light chains
  done clear
  D)
   Rejection of a kidney graft is the function of B-lymphocytes
  done clear
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• question_answer118) The figure below shows three steps (I, II, III) of Polymerase Chain Reaction (PCR). Select the option giving correct identification together with what it represents?                                                
  A)
   B-Denaruration at a temperature of about \[98{}^\circ C\] separating the two DNA strands
  done clear
  B)
   A-benaturation at a temperature of about \[50{}^\circ C\]
  done clear
  C)
   C-Extension in the presence of heat stable DNA polymerase
  done clear
  D)
   A-Annealing with two sets of primers
  done clear
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• question_answer119) The first clinical gene therapy was given for treating       
  A)
   diabetes mellitus
  done clear
  B)
   chicken pox
  done clear
  C)
   rheumatoid arthritis
  done clear
  D)
   adenosine deaminase deficiency
  done clear
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• question_answer120) Which one of the following represents a palindromic sequence in DNA?               
  A)
   5'-GAATTC-3 '3'-CTTAAG-3'   
  done clear
  B)
   5'CCAATG-3' 3'GAATCC-5'
  done clear
  C)
   5'-CATTAG-3 '3'-GATAAC-5'   
  done clear
  D)
   5'-GATACC-3' 3'-CCTAAG-5'
  done clear
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