Solved papers for BVP Medical BVP Medical Solved Paper-2015

done BVP Medical Solved Paper-2015 Total Questions - 200

• question_answer1) A uniform rod of copper is rotating about a axis passing through centre of mass and perpendicular to the length of the rod as shown in the diagram. Its temperature is increased by \[\frac{2{{\eta }^{2}}}{g{{a}^{2}}}\]. \[\frac{{{\eta }^{2}}}{g{{a}^{2}}}\] is coefficient of linear expansion of copper. New angular speed of the copper is
  A)
   \[\frac{{{\eta }^{2}}}{2g{{a}^{2}}}\]
  done clear
  B)
   \[\frac{{{\eta }^{2}}}{4g{{a}^{2}}}\]
  done clear
  C)
   \[{{t}_{1}}\]        
  done clear
  D)
   \[{{t}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer2) The Boolean expression for output in the following circuit is
  A)
   \[2g({{t}_{1}}+{{t}_{2}})\]                           
  done clear
  B)
   \[\frac{g}{4}{{({{t}_{1}}+{{t}_{2}})}^{2}}\]
  done clear
  C)
   \[g/4({{t}_{1}}{{t}_{2}})\]           
  done clear
  D)
   \[2g{{\left( \frac{{{t}_{1}}+{{t}_{2}}}{4} \right)}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer3) Figure shows a rod of length L resting on a wall and the floor. Its lower end A is pulled towards left with a constant velocity 2v. Which of the following is the velocity of the other end B downward when the rod makes an angle (() with the horizontal?                                
  A)
   \[R/4\]             
  done clear
  B)
   \[R/2\]
  done clear
  C)
   \[R/8\]        
  done clear
  D)
   \[\left\{ \frac{{{(1+e)}^{2}}}{1+{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]
  done clear
  View Answer play_arrow

• question_answer4) Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be
  A)
   maximum in situation (ii)
  done clear
  B)
   maximum in situation (i)
  done clear
  C)
   maximum in situation (iii)
  done clear
  D)
   the same in all situations
  done clear
  View Answer play_arrow

• question_answer5) The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is                                
  A)
   \[\frac{1+{{e}^{2}}}{(1+{{e}^{2}})}\sqrt{\frac{gh}{2}}\]
  done clear
  B)
   \[\left\{ \frac{{{(1-e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]
  done clear
  C)
                   \[\left\{ \frac{{{(1+e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]                    
  done clear
  D)
   \[4\Omega \]
  done clear
  View Answer play_arrow

• question_answer6) A fish sees the smiling face of a scuba diver through a bubble of air between them, as shown compared to the face of the diver the image seen by the fish will be
  A)
   smaller and inverted
  done clear
  B)
   smaller and erect
  done clear
  C)
   larger and erect
  done clear
  D)
   can be either above depending on the distance of the diver
  done clear
  View Answer play_arrow

• question_answer7) Consider the vessel shown in the adjacent diagram water being poured in the vessel at a constant rate \[2A\] There is a small hole of area a at the bottom of the vessel. The maximum level of water in the vessel is given  by
  A)
   \[4A\]                 
  done clear
  B)
   \[3A\]
  done clear
  C)
   \[1A\]                 
  done clear
  D)
   \[t=0\]
  done clear
  View Answer play_arrow

• question_answer8) A telescope has an objective lens of focal length 150 cm and an eyepiece with focal length 1.5 cm. If this telescope is used to see a 50 m tall building at a distance of 1.5 km, what is the height of the image of the building formed by the objective lens?
  A)
   10 cm
  done clear
  B)
   5cm
  done clear
  C)
   20 cm
  done clear
  D)
   15 cm
  done clear
  View Answer play_arrow

• question_answer9) A body projected vertically upwards crosses a point twice in its journey at a height A first after \[v=4000m/s\] and \[2A\,\,\sin \,4\pi (x-200t)\] seconds. Maximum height reached by the body is
  A)
   \[2A\,\,\cos \,5\pi (x-400t)\]
  done clear
  B)
   \[A\,\,sin\,5\pi (x-400t)\]
  done clear
  C)
   \[A\,\,\cos \,5\pi (x-400t)\]
  done clear
  D)
   \[12.25V\]
  done clear
  View Answer play_arrow

• question_answer10) Six equal resistance each of R are joined to form a net word k K as shown in the figure. The resistance between any two corners is                
  A)
   \[10.25V\]                         
  done clear
  B)
   \[11.25V\] 
  done clear
  C)
   \[9.25V\]                           
  done clear
  D)
   R
  done clear
  View Answer play_arrow

• question_answer11) A spherical ball falls freely from a height h on to a floor having coefficient of restitution. The average speed of the ball is                
  A)
   \[{{I}_{0}}\]
  done clear
  B)
   \[4{{l}_{0}}\]
  done clear
  C)
   \[3{{l}_{0}}\]
  done clear
  D)
   \[\frac{{{l}_{0}}}{2}\]
  done clear
  View Answer play_arrow

• question_answer12) In the adjoining circuit the current passing through \[2{{l}_{0}}\] resistance is
  A)
   \[{{I}_{0}}\]                      
  done clear
  B)
   \[2{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\]
  done clear
  C)
   \[{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\]                               
  done clear
  D)
   \[\frac{{{l}_{0}}}{2}{{\cos }^{2}}\left( \frac{2\pi y}{\beta } \right)\]
  done clear
  View Answer play_arrow

• question_answer13) For the wave shown in figure, if its position shown is at\[4{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\]. Then the equation of the wave is [when speed of wave, \[{{C}_{1}}\]]
  A)
   \[{{C}_{2}}\]
  done clear
  B)
   \[\frac{{{C}_{1}}}{{{C}_{2}}}\]
  done clear
  C)
   \[\frac{a}{b}\]
  done clear
  D)
   \[\frac{2a}{b}\]
  done clear
  View Answer play_arrow

• question_answer14) A carrier wave of peak voltage 15V is used to transmit the message signal. The peak value of the modulating signal in order to have a modulation index of 75% is
  A)
   \[{{\left( \frac{a}{b} \right)}^{2}}\]                         
  done clear
  B)
   \[{{\left( \frac{a}{b} \right)}^{3}}\]
  done clear
  C)
   \[2\pi \sqrt{\frac{{{a}^{2}}}{3G\lambda }}\]                       
  done clear
  D)
   \[\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}\]
  done clear
  View Answer play_arrow

• question_answer15) A narrow tube is bent as shown in the adjacent diagram. The radius of the tube is P and Q are small holes. Source placed at P generates a wave of intensity \[2\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}\].The maximum intensity produced at Q is given by                
  A)
   \[2\pi \sqrt{\frac{2{{a}^{2}}}{G\lambda }}\]                                       
  done clear
  B)
   \[\frac{\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}\]
  done clear
  C)
   \[\frac{1}{\sqrt{2}}\pi \times \frac{1}{\sqrt{15LC}}\]                                      
  done clear
  D)
    \[\frac{2\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}\]
  done clear
  View Answer play_arrow

• question_answer16) In Youngs double slit experiment, let \[\frac{\pi }{2}\times \frac{1}{\sqrt{15LC}}\] be the intensity of the central bright fringe and P be the fringe width. The intensity of a distance Y from the central bright fringe will be
  A)
   \[\mu \]
  done clear
  B)
   \[\frac{15\lambda }{(\mu -1)}\]
  done clear
  C)
   \[15(\mu -1)\lambda \]
  done clear
  D)
   \[25(\mu -1)\lambda \]
  done clear
  View Answer play_arrow

• question_answer17) Capacity of a spherical capacitor is \[\frac{25\lambda }{(\mu -1)}\], when inner sphere is charged and outer sphere is earthed and \[{{v}_{P}}=0,\,\,{{v}_{Q}}=v\] when inner sphere is earthed and outer sphere is charged. Then \[{{v}_{P}}=v,\,\,{{v}_{Q}}=0\] is (Assume a = radius of inner sphere and b = radius of outer sphere)
  A)
   \[{{v}_{P}}={{v}_{Q}}=0\]                                           
  done clear
  B)
   \[{{v}_{P}}=0,{{v}_{Q}}=2v\]
  done clear
  C)
   \[\eta \]                             
  done clear
  D)
   \[\lambda \]
  done clear
  View Answer play_arrow

• question_answer18) There is an infinitely long fixed rod of linear mass density X. A small mass m is revolving around the rod at distance a from the rod with uniform speed due the gravitational pull of the rod. The time period of revolution of m is                
  A)
   \[\frac{2\eta }{\lambda }[1-{{e}^{-\lambda t}}]\]                                            
  done clear
  B)
   \[\frac{\eta }{2\lambda }[1-{{e}^{-\lambda t}}]\]
  done clear
  C)
                   \[\frac{\eta }{{{\lambda }^{2}}}[1-{{e}^{-{{\lambda }^{2}}t}}]\]                                 
  done clear
  D)
   \[\frac{\eta }{\lambda }[1-{{e}^{-\lambda t}}]\]
  done clear
  View Answer play_arrow

• question_answer19) Consider the circuit shown the frequency of oscillation is                
  A)
   \[{{\gamma }_{1}}\]
  done clear
  B)
                   \[{{\gamma }_{2}}\]
  done clear
  C)
                   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\frac{\alpha }{3}\]
  done clear
  D)
  _ \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{2}+\alpha \]
  done clear
  View Answer play_arrow

• question_answer20) In a baptism experiments, 5th dark fringe is obtained at a point. If a thin transparent film is placed in the path of one of waves, then 7th bright fringe is obtained at the same point. The thickness of the film in terms of wavelength A, and refractive index \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+3\alpha \] will be
  A)
   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\alpha \]
  done clear
  B)
   \[{{E}_{I}}>{{E}_{II}}>{{E}_{III}}>{{E}_{IV}}>{{E}_{V}}\]
  done clear
  C)
   \[{{E}_{I}}>{{E}_{III}}={{E}_{V}}\,and\,\,\,{{E}_{II}}>{{E}_{IV}}\]
  done clear
  D)
   \[{{E}_{II}}={{E}_{IV}}={{E}_{V}}\,and\,\,\,{{E}_{I}}>{{E}_{III}}\]
  done clear
  View Answer play_arrow

• question_answer21) In the following circuit, all the bulbs are identical. The bulb(s) glowing brightest(s) is/are                
  A)
   2, 3 and 4          
  done clear
  B)
   5 and 6
  done clear
  C)
   1                                            
  done clear
  D)
   1 and 2
  done clear
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• question_answer22) A wheel is rolling on a plane road. The linear velocity of its centre of mass is v. Then velocities of the point P and Q on the circumference of the wheel relative to road will be                
  A)
   \[{{E}_{I}}={{E}_{II}}={{E}_{III}}\,and\,\,\,{{E}_{IV}}>{{E}_{V}}\]
  done clear
  B)
                   \[\frac{Mgx}{4}\]
  done clear
  C)
   \[Mgx\]
  done clear
  D)
   \[\frac{Mgx}{2}\]
  done clear
  View Answer play_arrow

• question_answer23) An unstable element is produced in a nuclear reaction of a constant rate \[\frac{Mgx}{3}\]. Its disintegration constant is \[\eta \]. Find the number of nuclei after time t, if initially it was zero.
  A)
   \[2mg\,[1+{{(\eta /L)}^{2}}]\]
  done clear
  B)
   \[mg\,[1+{{(\eta /L)}^{2}}]\]
  done clear
  C)
   \[\frac{mg}{2}\,[1+{{(\eta /L)}^{2}}]\]
  done clear
  D)
   \[4mg\,[1+{{(\eta /L)}^{2}}]\]
  done clear
  View Answer play_arrow

• question_answer24) The coefficient of apparent expansion of a liquid when determined using two different vessels P and Q are \[\frac{100}{3}cm\]and \[100cm\] respectively. If the coefficient of linear expansion of the vessel P is a, the coefficient of linear expansion of the vessel Q is
  A)
   \[\frac{200}{3}cm\]
  done clear
  B)
   \[\frac{50}{3}cm\]
  done clear
  C)
   \[T=2{{T}_{0}}+\eta {{V}^{2}}\]
  done clear
  D)
   \[\eta \]
  done clear
  View Answer play_arrow

• question_answer25) Variation of electric potential V as a function of distance x through five regions on X-axis. Which of the following is true regarding electric field E in these regions                
  A)
   \[\sqrt{2}R\sqrt{\eta {{T}_{0}}}\]
  done clear
  B)
   \[2R\sqrt{\eta {{T}_{0}}}\]
  done clear
  C)
   \[2\sqrt{2}R\sqrt{\eta {{T}_{0}}}\]
  done clear
  D)
   \[R\sqrt{\eta {{T}_{0}}}\]
  done clear
  View Answer play_arrow

• question_answer26) A metal wire of length L, area of cross-section A and Youngs modulus Y is stretched by a variable force F such that F is always slightly greater than the elastic forces of resistance in the wire. When the elongation of the wire is x.
  A)
   \[8H\]                 
  done clear
  B)
   \[14H\]
  done clear
  C)
   \[7H\]                  
  done clear
  D)
   \[21H\]
  done clear
  View Answer play_arrow

• question_answer27) A simple pendulum of length L and mass m of the bob is vibrating with an amplitude \[\text{n}=4\]. Then the maximum tension in the string is                                      
  A)
   \[\text{n}=1\]
  done clear
  B)
   \[2.5\text{ }m/s\]
  done clear
  C)
   \[2.07\text{ }m/s\]
  done clear
  D)
   \[4.08\text{ }m/s\]
  done clear
  View Answer play_arrow

• question_answer28) The power of a lens, a short sighted uses is -3D. Find the maximum distance of an object which he/she can see without spectacles.
  A)
   \[5.08\text{ }m/s\]
  done clear
  B)
   \[{{\mu }_{s}}=0.4\]
  done clear
  C)
   \[g=10m/{{s}^{2}}\]
  done clear
  D)
   \[0.5m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer29) During expansion of one mole of an ideal gas temperature and volume are associated as \[1m/{{s}^{2}}\], where To and \[0.25m/{{s}^{2}}\] are positive constants. Find the minimum attainable pressure of the gas.
  A)
   \[0.75m/{{s}^{2}}\]
  done clear
  B)
   \[\Delta T\]
  done clear
  C)
   \[\alpha \]
  done clear
  D)
   \[2\omega [1-2\alpha \Delta T]\]
  done clear
  View Answer play_arrow

• question_answer30) A large bubble rises from the bottom of a lake to the surface, its radius doubles. One atmospheric pressure is equal to that of a column of water of height 2H. The depth of the lake is
  A)
   \[\omega [1-\alpha \Delta T]\]                                
  done clear
  B)
   \[\omega [1+2\alpha \Delta T]\]   
  done clear
  C)
   \[\omega [1+2\alpha \Delta T]\]                             
  done clear
  D)
   \[P+Q+R+S\]
  done clear
  View Answer play_arrow

• question_answer31) The recoil speed of a hydrogen atom after it emits a photon in going from \[\overline{P}\overline{Q}\overline{R}\overline{S}\]to \[(P+Q)(R+S)\] state is
  A)
   \[\overline{PQRS}\]                      
  done clear
  B)
   \[2v\,\tan \phi \]
  done clear
  C)
   \[v\,\tan \phi \]                              
  done clear
  D)
   \[v\,\cot \phi \]
  done clear
  View Answer play_arrow

• question_answer32) Consider two blocks P and Q. A force F is applied on the block P and the block Q is at rest. The coefficient of static friction between P and Q is \[2v\,\cot \phi \]. Find acceleration of each block if  \[20%\] weight of P and Q are 100 N and 300N, respectively. F = 20N.
  A)
   \[33%\]              
  done clear
  B)
   \[43%\]
  done clear
  C)
   \[50%\]              
  done clear
  D)
   \[\eta \,{{m}^{3}}{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer33) The linear charge density of four quadrants or aring of radius a is as shown. Electric field at centre will be
  A)
                   \[\frac{2{{\eta }^{2}}}{g{{a}^{2}}}\]                        
  done clear
  B)
   zero
  done clear
  C)
                   \[\frac{{{\eta }^{2}}}{g{{a}^{2}}}\]                          
  done clear
  D)
   \[\frac{{{\eta }^{2}}}{2g{{a}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer34) A man is moving down an incline plane with speed u. He meets rain with the same speed but horizontally. The speed of rain is
  A)
   \[\frac{{{\eta }^{2}}}{4g{{a}^{2}}}\]            
  done clear
  B)
   \[{{t}_{1}}\]
  done clear
  C)
   \[{{t}_{2}}\]     
  done clear
  D)
   \[2g({{t}_{1}}+{{t}_{2}})\]
  done clear
  View Answer play_arrow

• question_answer35) Consider the given circuit, the reading of voltmeter \[\frac{g}{4}{{({{t}_{1}}+{{t}_{2}})}^{2}}\] and \[g/4({{t}_{1}}{{t}_{2}})\] are 500V each. The reading of the voltmeter V. and ammeter a respectively are
  A)
   \[2g{{\left( \frac{{{t}_{1}}+{{t}_{2}}}{4} \right)}^{2}}\]                   
  done clear
  B)
   \[R/4\]
  done clear
  C)
   \[R/2\]                
  done clear
  D)
   \[R/8\]
  done clear
  View Answer play_arrow

• question_answer36) The spectra of radiation emitted by two distant stars are as shown below. The ratio of the surface temperature of star A to that of star B, \[\left\{ \frac{{{(1+e)}^{2}}}{1+{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\] is approximately
  A)
   \[\frac{1+{{e}^{2}}}{(1+{{e}^{2}})}\sqrt{\frac{gh}{2}}\]                                 
  done clear
  B)
   \[\left\{ \frac{{{(1-e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]    
  done clear
  C)
   \[\left\{ \frac{{{(1+e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}\]                                    
  done clear
  D)
   \[4\Omega \]
  done clear
  View Answer play_arrow

• question_answer37) In a transistor amplifier \[2A\] \[4A\] and input resistance of the transistor is \[3A\] What is the power amplification?
  A)
   \[1A\]                 
  done clear
  B)
   \[t=0\]
  done clear
  C)
   \[v=4000m/s\]                
  done clear
  D)
   \[2A\,\,\sin \,4\pi (x-200t)\]
  done clear
  View Answer play_arrow

• question_answer38) For the toppling of the shown figure regular hexagon. The coefficient of friction must be                
  A)
   \[2A\,\,\cos \,5\pi (x-400t)\]                     
  done clear
  B)
   \[A\,\,sin\,5\pi (x-400t)\]
  done clear
  C)
                   \[A\,\,\cos \,5\pi (x-400t)\]                                       
  done clear
  D)
   \[12.25V\]
  done clear
  View Answer play_arrow

• question_answer39) An iron rod of \[10.25V\] cross-sectional area is  subjected to a magnetising field of\[11.25V\]. If the susceptibility of iron is 499, the magnetic flux produced is
  A)
    \[9.25V\]
  done clear
  B)
   \[{{I}_{0}}\]
  done clear
  C)
   \[4{{l}_{0}}\]
  done clear
  D)
   \[3{{l}_{0}}\]
  done clear
  View Answer play_arrow

• question_answer40) Consider two block system \[\frac{{{l}_{0}}}{2}\] and \[2{{l}_{0}}\]. If \[{{I}_{0}}\] is removed suddenly, find the angular frequency and amplitude of \[2{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\].
  A)
   \[{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\]and \[\frac{{{l}_{0}}}{2}{{\cos }^{2}}\left( \frac{2\pi y}{\beta } \right)\]       
  done clear
  B)
   \[4{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)\] and \[{{C}_{1}}\]
  done clear
  C)
   \[{{C}_{2}}\] and  \[\frac{{{C}_{1}}}{{{C}_{2}}}\]
  done clear
  D)
   \[\frac{a}{b}\] and \[\frac{2a}{b}\]
  done clear
  View Answer play_arrow

• question_answer41) A proton is moving in a region of uniform magnetic field has a velocity \[{{\left( \frac{a}{b} \right)}^{2}}\]and an acceleration \[{{\left( \frac{a}{b} \right)}^{3}}\]. Then,
  A)
   \[2\pi \sqrt{\frac{{{a}^{2}}}{3G\lambda }}\]                       
  done clear
  B)
   \[\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}\]
  done clear
  C)
   \[2\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}\]                       
  done clear
  D)
   \[2\pi \sqrt{\frac{2{{a}^{2}}}{G\lambda }}\]
  done clear
  View Answer play_arrow

• question_answer42) Two vectors P and Q are related as \[\frac{\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}\], then the value of \[\frac{1}{\sqrt{2}}\pi \times \frac{1}{\sqrt{15LC}}\] is
  A)
   \[\frac{2\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}\]  
  done clear
  B)
   \[\frac{\pi }{2}\times \frac{1}{\sqrt{15LC}}\]
  done clear
  C)
   \[\mu \]  
  done clear
  D)
   \[\frac{15\lambda }{(\mu -1)}\]
  done clear
  View Answer play_arrow

• question_answer43) 2N division on main scale of a vernier calliper coincide with \[15(\mu -1)\lambda \] division of the vernier scale if each division on main scale is of b units, least count of instrument is
  A)
   \[25(\mu -1)\lambda \]                               
  done clear
  B)
   \[\frac{25\lambda }{(\mu -1)}\]
  done clear
  C)
   \[{{v}_{P}}=0,\,\,{{v}_{Q}}=v\]                 
  done clear
  D)
   \[{{v}_{P}}=v,\,\,{{v}_{Q}}=0\]
  done clear
  View Answer play_arrow

• question_answer44) Consider the reaction \[{{v}_{P}}={{v}_{Q}}=0\]. If  \[{{v}_{P}}=0,{{v}_{Q}}=2v\]and \[\eta \]. The energy Q released (in MeV) in this fusion reaction is
  A)
   \[\lambda \]
  done clear
  B)
   \[\frac{2\eta }{\lambda }[1-{{e}^{-\lambda t}}]\]
  done clear
  C)
   \[\frac{\eta }{2\lambda }[1-{{e}^{-\lambda t}}]\]
  done clear
  D)
   \[\frac{\eta }{{{\lambda }^{2}}}[1-{{e}^{-{{\lambda }^{2}}t}}]\]
  done clear
  View Answer play_arrow

• question_answer45) An experiment conducted to determine Young s modulus , \[\frac{\eta }{\lambda }[1-{{e}^{-\lambda t}}]\] , where Y = Youngs modulus, T = time, t = torque and 7 = length. Then, the value of \[{{\gamma }_{1}}\]is
  A)
   1                                            
  done clear
  B)
   0
  done clear
  C)
   2                                            
  done clear
  D)
   3
  done clear
  View Answer play_arrow

• question_answer46) A block of mass M is pulled by a constant power P is placed on a rough horizontal plane. The frictional coefficient between block and surface is \[{{\gamma }_{2}}\] Find the maximum velocity of the block.                
  A)
   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\frac{\alpha }{3}\]             
  done clear
  B)
   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{2}+\alpha \]
  done clear
  C)
                   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+3\alpha \]                             
  done clear
  D)
   \[\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\alpha \]
  done clear
  View Answer play_arrow

• question_answer47) Radius of a circular current carrying coil is a. At a distance no. from centre of the coil on its axis, intensity of magnetic field is found to be \[{{E}_{I}}>{{E}_{II}}>{{E}_{III}}>{{E}_{IV}}>{{E}_{V}}\] times that at the centre, then
  A)
   \[{{E}_{I}}>{{E}_{III}}={{E}_{V}}\,and\,\,\,{{E}_{II}}>{{E}_{IV}}\]
  done clear
  B)
   \[{{E}_{II}}={{E}_{IV}}={{E}_{V}}\,and\,\,\,{{E}_{I}}>{{E}_{III}}\]
  done clear
  C)
   \[{{E}_{I}}={{E}_{II}}={{E}_{III}}\,and\,\,\,{{E}_{IV}}>{{E}_{V}}\]
  done clear
  D)
   \[\frac{Mgx}{4}\]
  done clear
  View Answer play_arrow

• question_answer48) In the figure, a small block P is released from rest when the spring is at its natural length. For the disc Q, of mass \[Mgx\] to leave contact with the ground at same stage, the minimum mass of P must be                                                
  A)
   \[\frac{Mgx}{2}\]                                           
  done clear
  B)
   \[\frac{Mgx}{3}\]
  done clear
  C)
                   \[\eta \]
  done clear
  D)
   function of \[2mg\,[1+{{(\eta /L)}^{2}}]\]and spring constant
  done clear
  View Answer play_arrow

• question_answer49) If frequency of \[mg\,[1+{{(\eta /L)}^{2}}]\] X-ray emitted from element with \[\frac{mg}{2}\,[1+{{(\eta /L)}^{2}}]\] is \[4mg\,[1+{{(\eta /L)}^{2}}]\], then frequency of , \[\frac{100}{3}cm\] X-rays emitted from element with \[100cm\] would be
  A)
   \[\frac{200}{3}cm\]
  done clear
  B)
   \[\frac{50}{3}cm\]
  done clear
  C)
   \[T=2{{T}_{0}}+\eta {{V}^{2}}\]
  done clear
  D)
   \[\eta \]
  done clear
  View Answer play_arrow

• question_answer50) A cork floating is a calm pond executes simple harmonic motion of frequency v when a wave generated by a boat passes by it. The frequency of the wave is
  A)
   \[\sqrt{2}R\sqrt{\eta {{T}_{0}}}\]                            
  done clear
  B)
   \[2R\sqrt{\eta {{T}_{0}}}\]     
  done clear
  C)
   \[2\sqrt{2}R\sqrt{\eta {{T}_{0}}}\]                          
  done clear
  D)
   v
  done clear
  View Answer play_arrow

• question_answer51) Consider the following statements. If the van  der Walls parameters of two gases are given as

  	\[2A+2B2C+2D;\,\,\,\,{{E}^{o}}=y\,volt,\,\,\,\,{{K}_{eq}}={{K}_{2}}\]	\[x=y,{{K}_{2}}=K_{1}^{2}\]
  Gas X	\[x=2y,{{K}_{1}}=2{{K}_{2}}\]	\[x=y.{{K}_{1}}=\frac{1}{{{K}_{2}}}\]
  Gas Y	\[x=y,{{K}_{1}}=K_{2}^{2}\]	\[XC{{l}_{n}}\]

  I. Critical volume of X > critical volume of Y

  II. Critical pressure of X > critical pressure of V

  III. Critical temperature of X > critical temperature of Y.

  Which of the above statements is/are true?
  A)
   Only I   
  done clear
  B)
   I and II  
  done clear
  C)
   I, II and III
  done clear
  D)
   II and III
  done clear
  View Answer play_arrow

• question_answer52) Choose the correct option of heat of hydrogenation for the following alkenes:       
  A)
   \[XC{{l}_{n-2}}\]
  done clear
  B)
   \[A>B>C\]
  done clear
  C)
   \[B>A>C\]
  done clear
  D)
   \[A>C>B\]
  done clear
  View Answer play_arrow

• question_answer53) Permanent hardness is due to \[C>B>A\] and \[F{{e}_{0.93}}{{O}_{1.00}}\] of \[2C{{u}_{2}}O+C{{u}_{2}}S\xrightarrow{{}}6Cu+S{{O}_{2}}\] and \[2C{{u}_{2}}S+3{{O}_{2}}\xrightarrow{{}}2C{{u}_{2}}O+S{{O}_{2}}\] and is removed by the addition of  \[2CuFe{{S}_{2}}+{{O}_{2}}\xrightarrow{{}}C{{u}_{2}}S+FeS+S{{O}_{2}}\] \[2FeS+3{{O}_{2}}\xrightarrow{{}}2FeO+2S{{O}_{2}}\] \[q=\Delta U\] If hardness is 100 ppm \[O\to D\], amount of\[O\to C\] required to soften 10 L of hard water, is
  A)
   \[O\to B\]                         
  done clear
  B)
   \[O\to A\]
  done clear
  C)
   \[A{{g}_{2}}O+{{H}_{2}}O+2{{e}^{-}}\xrightarrow{{}}2Ag+2O{{H}^{-}}\]               
  done clear
  D)
   \[Fe(III)\]
  done clear
  View Answer play_arrow

• question_answer54) Elements A, B and C have atomic numbers 19, 37 and 55 respectively. Which of the following statement is correct about them?
  A)
   Their ionisation potential would increase with increasing atomic number
  done clear
  B)
   B would have an ionisation potential between those of A and C
  done clear
  C)
   C would have the highest ionisation potential
  done clear
  D)
   B would have the highest ionisation potential
  done clear
  View Answer play_arrow

• question_answer55) If wavelength of 1st line of Balmer series, is \[Fe(II)\], then wavelength of 2nd line of Balmer series is
  A)
   \[Mn(II)\]                          
  done clear
  B)
   \[Cr(II)\]
  done clear
  C)
   \[\sigma \]                        
  done clear
  D)
   \[{{C}_{2}}{{H}_{5}}OH+HX\xrightarrow{Zn{{X}_{2}}}{{C}_{2}}{{H}_{5}}X,\]
  done clear
  View Answer play_arrow

• question_answer56) Find out the change in entropy when two gram atoms of aluminium is heated from \[HCl>HBr>Hl\] to \[HBr>Hl>HCl\]. The atomic heat capacity of aluminium is given by (\[Hl>HBr>HCl~\] T cal/deg)
  A)
   \[Hl>HCl>HBr\]               
  done clear
  B)
   \[C{{H}_{3}}Mgl+C{{H}_{3}}CHOHC{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}Mgl+C{{H}_{3}}COC{{H}_{3}}\]                        
  done clear
  D)
   \[C{{H}_{3}}C{{H}_{2}}MgBr+C{{H}_{3}}CHO\]
  done clear
  View Answer play_arrow

• question_answer57) A molecule \[C{{H}_{3}}C{{H}_{2}}MgBr+C{{H}_{3}}COC{{H}_{3}}\] contains two a, two TC-bonds and one lone pair of electron in the valence shell of A. The arrangement of lone pair as well as bond pairs, is
  A)
   square pyramidal   
  done clear
  B)
   trigonal planar
  done clear
  C)
   linear               
  done clear
  D)
   tetrahedral
  done clear
  View Answer play_arrow

• question_answer58) The IUPAC name of the following polyfunctional compound is
  A)
   2, 4-dioxocycloheptanoic acid
  done clear
  B)
   2,4-dioxocyclohexanoic acid
  done clear
  C)
   2,4-dioxocyclohexane -1- carboxylic acid
  done clear
  D)
   4 - formal - 2-oxocyclohexane-1-carboxytic acid
  done clear
  View Answer play_arrow

• question_answer59) Which of the following buffer solution turns invalid on addition of 10 mL of \[{{25}^{o}}C\]?
  A)
    \[C{{H}_{3}}COOH\] having \[N{{H}_{4}}OH\] \[({{10}^{-5}})\] and \[({{10}^{-5}})\] each
  done clear
  B)
   \[N{{H}_{4}}OH\] having \[4.0\] and \[3.0\] \[11.0\]each
  done clear
  C)
   \[10.0\] having \[\overset{O}{\mathop{\overset{||}{\mathop{C{{H}_{3}}-C-C{{H}_{2}}-C{{H}_{2}}-COOH}}\,}}\,\]\[\xrightarrow[(ii)\,\,{{H}_{2}}O+{{H}^{+}}]{(i)\,\,NaB{{H}_{4}}}\]  and \[\beta \] each
  done clear
  D)
   \[\alpha \] having\[\alpha \]  \[\beta \]and \[\beta \]each
  done clear
  View Answer play_arrow

• question_answer60) Consider the reaction \[\beta \] with reference to the given reaction, which one of the following  is the true statement?
  A)
   \[{{\Delta }_{O}}\] is oxidised to \[{{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}\]
  done clear
  B)
   \[[Fe{{(CN)}_{2}}{{({{H}_{2}}O)}_{4}}]\] is oxidised to \[{{[Fe{{(CN)}_{4}}({{H}_{2}}{{O}_{2}})]}^{2-}}\]
  done clear
  C)
   \[{{\Delta }_{O}}(II)<{{\Delta }_{O}}(III)<{{\Delta }_{O}}(I)\] is oxidised to \[{{\Delta }_{O}}(III)<{{\Delta }_{O}}(II)<{{\Delta }_{O}}(I)\]
  done clear
  D)
   Zn is reduced to \[{{\Delta }_{O}}(II)<{{\Delta }_{O}}(I)<{{\Delta }_{O}}(III)\]
  done clear
  View Answer play_arrow

• question_answer61) Various phenol derivatives, tincture of iodine (\[{{\Delta }_{O}}(I)<{{\Delta }_{O}}(II)<{{\Delta }_{O}}(III)\] in water/alcohol) and some dyes like  methylene blue are
  A)
   antipyretics                      
  done clear
  B)
   analgesics
  done clear
  C)
   antiseptics                        
  done clear
  D)
   disinfectants
  done clear
  View Answer play_arrow

• question_answer62) When hard water is passed through permutit, which ions are exchanged with \[III<I<IV<II\]and \[I<IV<II<III\]?
  A)
   \[\text{I}<III<II<IV\]                     
  done clear
  B)
   \[I>III>IV>II\]
  done clear
  C)
   \[FeC{{r}_{2}}{{O}_{4}}\xrightarrow{I}N{{a}_{2}}Cr{{O}_{4}}\xrightarrow{II}C{{r}_{2}}{{O}_{3}}\xrightarrow{III}Cr\]                               
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer63) If the distance between \[NaOH/air\] and \[Al,\] ions in sodium chloride is y pm, the length of the edge of the unit cell is
  A)
   2ypm                                   
  done clear
  B)
   y/2pm
  done clear
  C)
   y/4 pm                
  done clear
  D)
    4ypm
  done clear
  View Answer play_arrow

• question_answer64) \[NaOH/air,\Delta \] gas along with solid [B] is obtained when sodium salt  is heated. A is again obtained when \[N{{a}_{2}}C{{O}_{3}}/air,\Delta \] gas is passed into aqueous solution of B. A and B respectively are
  A)
   \[N{{H}_{4}}Cl,\Delta \]
  done clear
  B)
   \[Al\]
  done clear
  C)
   \[N{{a}_{2}}C{{O}_{3}}/air,\Delta \] 
  done clear
  D)
   \[{{V}_{C}}=3b\ \,equal\]
  done clear
  View Answer play_arrow

• question_answer65) Identify C in the series\[=3\times 0.056=0.168d{{m}^{3}}mo{{l}^{-1}}\]\[{{p}_{C}}=\frac{a}{27{{b}^{2}}}\]
  A)
   \[a/d{{m}^{6}}\,bar\,mo{{l}^{-2}}\]
  done clear
  B)
   \[b/d{{m}^{6}}\,mo{{l}^{-2}}\]
  done clear
  C)
   \[6.5\]
  done clear
  D)
   \[0.056\]
  done clear
  View Answer play_arrow

• question_answer66) A reacts with aqueous \[18.0\] solution to form B and Hz- Aqueous solution of B is heated upto 323-333K and on passing \[0.011\] into it, \[IV<V<I<III<II\] and C were formed. When C is heated upto\[V<IV<III<I<II\]. \[II>IV<III<V<I\] is formed. A, B and C respectively are
  A)
   \[III<IV<I<V<II\]
  done clear
  B)
   \[SO_{4}^{2-}\]
  done clear
  C)
   \[C{{l}^{-}}\]
  done clear
  D)
   \[C{{a}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer67) Forcarbamon, \[M{{g}^{2+}}\] Stability order will be
  A)
   \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  B)
    \[CaS{{O}_{4}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+N{{a}_{2}}S{{O}_{4}}\]
  done clear
  C)
   \[CaC{{l}_{2}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+2NaCl\]
  done clear
  D)
   \[CaC{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer68) Hydrofluoric acid cannot be stored in glass vessels due to it reacts with glass to form
  A)
   \[N{{a}_{2}}C{{O}_{3}}\] and \[4.81\text{ }g\]    
  done clear
  B)
   \[3.24\text{ }g\]
  done clear
  C)
   \[1.06\text{ }g\]           
  done clear
  D)
   \[2.03\text{ }g\]
  done clear
  View Answer play_arrow

• question_answer69)  Hydrogenation of the above compound in the presence of poisoned palladium catalyst gives
  A)
   an optically inactive compound
  done clear
  B)
   an optically active compound                  
  done clear
  C)
   a racemic mixture
  done clear
  D)
   a diastereomeric mixture
  done clear
  View Answer play_arrow

• question_answer70) The density of nitrogen gas prepared from air is slightly greater than that of nitrogen prepared by a chemical reaction from a compound of nitrogen because of-the presence of which of the following in aerial nitrogen?
  A)
   \[6500\overset{\text{o}}{\mathop{\text{A}}}\,\]                                    
  done clear
  B)
   Argon
  done clear
  C)
   Greater amount of nitrogen molecules derived from \[4814.8\overset{\text{o}}{\mathop{\text{A}}}\,\] isotope                 
  done clear
  D)
   Some nitrogen molecules analogous to \[5884.3\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer71) When  rain  is  accompanied  by  a thunderstorm, the collected rain wafer will have a pH value                          
  A)
   slightly lower than that of rain water without thunderstorm          
  done clear
  B)
   slightly higher than that when the thunderstorm is not these
  done clear
  C)
   uninfluenced by occurrance of thunderstorm
  done clear
  D)
   which depends on the amount of dust in air
  done clear
  View Answer play_arrow

• question_answer72) 0.005 cm thick coating of silver is deposited on a plate of \[4728.6\overset{\text{o}}{\mathop{\text{A}}}\,\]area. The number of silver atoms deposited on the plate are (atomic mass of \[6172.8\overset{\text{o}}{\mathop{\text{A}}}\,\]and its density\[{{25}^{o}}C\])
  A)
   \[{{600}^{o}}C\]              
  done clear
  B)
   \[{{C}_{p}}=5.006+0.0026T\]
  done clear
  C)
   \[138\text{ }cal/deg\]                  
  done clear
  D)
   \[13.75\text{ }cal/deg\]
  done clear
  View Answer play_arrow

• question_answer73) The Ionic radii of group-12 metals Zn, Cd and Hg are smaller than those of group-2 metals because of Zn, Cd and Hg have
  A)
   10 d-electrons which have a large exchange energy
  done clear
  B)
   10 d-electrons which have a large radius ratio
  done clear
  C)
   10 d-electrons which shield the nuclear charge strongly      
  done clear
  D)
   10 d-electrons which shield the nuclear charge poorly
  done clear
  View Answer play_arrow

• question_answer74) The order of increasing freezing point of \[18.28eu\] and \[23.41\text{ }eu\] is
  A)
   \[A{{B}_{2}}\]
  done clear
  B)
   \[1.0M\text{ }HCl\]
  done clear
  C)
   \[100mL\]
  done clear
  D)
   \[0.05M\]
  done clear
  View Answer play_arrow

• question_answer75) What is the correct relationship between the pH of isomolar solution of sodium oxide \[N{{H}_{3}}\], sodium sulphide \[N{{H}_{4}}Cl\], sodium selenide \[100mL\] and sodium telluride \[0.2M\]?
  A)
   \[0.1M\]
  done clear
  B)
   \[N{{H}_{4}}Cl\]
  done clear
  C)
   \[100mL\]
  done clear
  D)
   \[0.2M\]
  done clear
  View Answer play_arrow

• question_answer76) Which among the following is the correct mathematical representation of Daltons law of partial pressure?
  A)
   \[N{{H}_{3}}\]
  done clear
  B)
   \[N{{H}_{4}}Cl\]
  done clear
  C)
   \[100mL\]
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer77) The standard electrode potential \[0.15M\] for \[N{{H}_{3}}\] and \[N{{H}_{4}}Cl\] respectively are 0.94 V and -\[Zn+C{{u}^{2+}}\xrightarrow{{}}Z{{n}^{2+}}+Cu\]. The \[C{{u}^{2+}}\] value for \[Cu\] will be
  A)
   \[Z{{n}^{2+}}\]                
  done clear
  B)
   \[Zn\]
  done clear
  C)
   \[Zn\]                  
  done clear
  D)
   \[Z{{n}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer78) Which of the following are is electronic species?

  I. \[Z{{n}^{2+}}\]

  II. \[2-3%{{I}_{2}}\]

  III. \[C{{a}^{2+}}\]

  IV. \[M{{g}^{2+}}\]

  A)
   I, III and IV                        
  done clear
  B)
   I, II and IV
  done clear
  C)
   II, Ill and IV                        
  done clear
  D)
   I and II
  done clear
  View Answer play_arrow

• question_answer79) Consider the following equation for a cell reaction, \[A{{l}^{3+}}\] \[{{H}^{+}}\] then
  A)
   \[N{{a}^{+}}\]
  done clear
  B)
   \[N{{a}^{+}}\]
  done clear
  C)
   \[C{{l}^{-}}\]
  done clear
  D)
   \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer80) A solid element (symbol X) conducts electricity and forms two chlorides \[C{{O}_{2}}\] [a colourless volatile liquid) and \[N{{a}_{2}}C{{O}_{3}},NaOH\] (a colourless solid). To which one of the following groups of the periodic table does X belong?
  A)
   16                         
  done clear
  B)
   15    
  done clear
  C)
   14                         
  done clear
  D)
   13
  done clear
  View Answer play_arrow

• question_answer81) If a homogeneous catalytic reaction can take place through three alternative paths as depicted below, the catalytic efficiency of A, B, C representing the relative ease would be
  A)
   \[N{{a}_{2}}C{{O}_{3}},N{{a}_{2}}O\]                    
  done clear
  B)
   \[N{{a}_{2}}C{{O}_{3}},NaHC{{O}_{3}}\]
  done clear
  C)
   \[NaHC{{O}_{3}},N{{a}_{2}}C{{O}_{3}}\]              
  done clear
  D)
   \[{{C}_{3}}{{H}_{7}}OH\xrightarrow{Conc.\,{{H}_{2}}S{{O}_{4}}}A\xrightarrow{B{{r}_{2}}}\]
  done clear
  View Answer play_arrow

• question_answer82) In which of the properties listed below, hydrogen does not show similarity with halogens?

  I. Nature of the oxide

  II. Electropositive character

  III. Combination with alkali metals

  IV. Atomicity

  A)
   I and III               
  done clear
  B)
   I and II
  done clear
  C)
   III and IV                            
  done clear
  D)
   Only II
  done clear
  View Answer play_arrow

• question_answer83) Which of the following graphs represents the variation of amount of chemisorption of a gas by a solid with temperature under constant pressure condition?
  A)
     
  done clear
  B)
   
  done clear
  C)
    
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer84) The composition of a sample of wustite is \[B\xrightarrow{\begin{smallmatrix}  Excess\,of \\  alc.\,KOH \end{smallmatrix}}C\] What percentage of iron is present in the form of Fe(III)?
  A)
   75%                      
  done clear
  B)
   45%,  
  done clear
  C)
   15%                      
  done clear
  D)
   35%
  done clear
  View Answer play_arrow

• question_answer85) In the extraction of copper, the reaction which does not take place in Bessemer converter, is
  A)
   \[C{{H}_{3}}-C\equiv CH\]
  done clear
  B)
   \[\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{3}}-C=C{{H}_{2}}}}\,}}\,\]
  done clear
  C)
   \[\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{3}}-CH=\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{2}}}}\,}}\,}}\,}}\,\]
  done clear
  D)
   \[\underset{N{{H}_{2}}N{{H}_{2}}}{\mathop{\underset{||}{\mathop{C{{H}_{3}}-CH-C{{H}_{2}}}}\,}}\,\]
  done clear
  View Answer play_arrow

• question_answer86) For which of the following process, \[NaOH\]?
  A)
   \[C{{O}_{2}}\]                  
  done clear
  B)
   \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  C)
   \[{{1200}^{o}}C\]          
  done clear
  D)
   \[A{{l}_{2}}{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer87) In the chemical reaction,\[Al,NaAl{{O}_{2}},Al{{(OH)}_{3}}\]
  A)
   electrons are reduced
  done clear
  B)
   water is oxidized
  done clear
  C)
   silver is reduced      
  done clear
  D)
   silver is oxidized
  done clear
  View Answer play_arrow

• question_answer88) A complex of a certain metal ion has a magnetic moment of 4.90 BM, another complex of the same metal in the same oxidation state has a zero magnetic moment. The central metal ion could be
  A)
   \[Al,Al{{(OH)}_{3}},AlC{{l}_{3}}\]                             
  done clear
  B)
   \[Al,AlC{{l}_{3}},NaAl{{O}_{2}}\]
  done clear
  C)
   \[Zn,N{{a}_{2}}Zn{{O}_{2}},Al{{(OH)}_{2}}\]                      
  done clear
  D)
   \[\begin{matrix}    {{R}_{3}}\overline{C}  \\    P  \\ \end{matrix}\,\,\,\,\,\,\,\,\,\begin{matrix}    {{R}_{2}}\overline{C}H  \\    Q  \\ \end{matrix}\,\,\,\,\,\,\,\,\,\begin{matrix}    \overline{C}{{H}_{3}}  \\    R  \\ \end{matrix}\,\,\,\,\,\,\,\,\,\,\begin{matrix}    R-\overline{C}{{H}_{2}}  \\    S  \\ \end{matrix}\]
  done clear
  View Answer play_arrow

• question_answer89) The electrophile, E+ attacks the benzene ring to generate the intermediate a-complex. Of the following, which \[P>Q>S>R\]-complex is of lowest energy?
  A)
                               
  done clear
  B)
   
  done clear
  C)
                     
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer90) For the reaction\[R>S>Q>P\] the order of reactivity is
  A)
   \[Q>R>P>S\]
  done clear
  B)
   \[R>Q>S>P\]
  done clear
  C)
   \[N{{a}_{2}}Si{{O}_{3}}\]
  done clear
  D)
   \[{{F}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer91) Which of the following are the starting materials for the Grignards synthesis of tert butyl alcohol?
  A)
   \[Si{{F}_{2}}\]
  done clear
  B)
   \[N{{a}_{2}}Si{{F}_{6}}\]
  done clear
  C)
   \[N{{a}_{4}}[Si{{F}_{6}}]\]
  done clear
  D)
   \[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer92) At \[{{N}^{15}}\], the dissociation constants of \[{{O}_{2}}\] and \[0.5{{m}^{2}}\] in aqueous solution are almost same \[Ag=108\]. If pH of some acetic \[=7.9\text{ }ge{{m}^{-3}}\] acid solution is 3. The pH of solution of \[1.1\times {{10}^{15}}\] of same concentration at the same temperature would be
  A)
   \[1.1\times {{10}^{24}}\]                            
  done clear
  B)
   \[1.1\times {{10}^{23}}\]    
  done clear
  C)
   \[1.1\times {{10}^{32}}\]                            
  done clear
  D)
   \[{{C}_{2}}{{H}_{5}}OH,B{{a}_{3}}(P{{O}_{4}}),N{{a}_{2}}S{{O}_{4}},LiP{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer93) End product of this conversion,\[KCl\] \[B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<L{{i}_{3}}P{{O}_{4}}<N{{a}_{2}}S{{O}_{4}}<KCl<{{C}_{2}}{{H}_{5}}OH\]is
  A)
       
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer94) Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be
  A)
   
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer95) Which of the following statements is true?
  A)
   A polymer of (\[{{C}_{2}}{{H}_{5}}OH<KCl<N{{a}_{2}}S{{O}_{4}}<B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<L{{i}_{3}}P{{O}_{4}}\] -glucose is readily digested by human being and not that of \[B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<{{C}_{2}}{{H}_{5}}OH<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl\] -glucose
  done clear
  B)
   A polymer of \[B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<N{{a}_{2}}S{{O}_{4}}<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl\] -glucose is readily digested by human beings and not that of \[(p{{H}_{1}})\] -glucose
  done clear
  C)
   Polymers of both a and (\[(p{{H}_{2}})\] -glucose are not readily digested by human beings
  done clear
  D)
   Polymers of both a and \[(p{{H}_{3}})\] -glucose are readily digested by human beings
  done clear
  View Answer play_arrow

• question_answer96) Predict the order of \[(p{{H}_{4}})\] for the following compounds.

  I. \[p{{H}_{1}}>p{{H}_{2}}>>p{{H}_{3}}>p{{H}_{4}}\]

  II. \[p{{H}_{1}}>p{{H}_{2}}>p{{H}_{3}}>p{{H}_{4}}\]

  III. \[p{{H}_{1}}<p{{H}_{2}}<p{{H}_{3}}>>p{{H}_{4}}\]

  A)
   \[p{{H}_{1}}<p{{H}_{2}}<p{{H}_{3}}<p{{H}_{4}}\]
  done clear
  B)
   \[{{P}_{T}}={{x}_{1}}p_{1}^{0}+{{x}_{2}}p_{2}^{0}\]
  done clear
  C)
   \[{{P}_{T}}=(1-{{x}_{2}})p_{1}^{0}+{{x}_{2}}p_{2}^{0}\]
  done clear
  D)
   \[{{P}_{T}}=p_{1}^{0}+(p_{2}^{0}-p_{1}^{0}){{x}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer97) Arrange the following compounds in the order of increasing acidity

  \[\begin{align}   & Benzyl\text{ }alcohol \\  & I \\ \end{align}\]

  \[\begin{align}   & Benzoic\text{ }acid \\  & II \\ \end{align}\]

  \[\begin{align}   & o\text{ }-\text{ }cresol \\  & III \\ \end{align}\]

  \[\begin{align}   & Formic\text{ }acid \\  & IV \\ \end{align}\]

  A)
   \[({{E}^{o}})\]
  done clear
  B)
   \[OC{{l}^{-}}/C{{l}^{-}}\]
  done clear
  C)
   \[C{{l}^{-}}/\frac{1}{2}C{{l}_{2}}\]
  done clear
  D)
   \[1.36\text{ }V\]
  done clear
  View Answer play_arrow

• question_answer98)  (end product) Identify the end product P.
  A)
                          
  done clear
  B)
   
  done clear
  C)
                            
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer99) \[{{E}^{o}}\]I, II and III are
  A)

  I	II	III
  \[C{{l}^{-}}/\frac{1}{2}C{{l}_{2}}\] heat	\[-0.42V\] heat	C, heat

  done clear
  B)

  I	II	III
  \[-0.36V\],	C, heat	C, heat

  done clear
  C)

  I	II	III
  \[0.58V\]	\[1.17V\]	\[CH_{3}^{+}\]

  done clear
  D)

  I	II	III
  \[NH_{2}^{-}\]	C, heat	C, heat

  done clear
  View Answer play_arrow

• question_answer100) Bakelite is made from phenol and formaldehyde. The initial reaction between the two compounds is an example of
  A)
   free radical reaction
  done clear
  B)
   aldol reaction
  done clear
  C)
   aromatic electrophilic substitution
  done clear
  D)
   aromatic nucleophilic substitution  
  done clear
  View Answer play_arrow

• question_answer101) Which of the following will be true if a cell is small in size?

  I. Nucleus will be small.

  II. Nucleus will be very large.

  III. It will be metabolically more active.

  IV. It will be metabolically less active.

  A)
   I and III                               
  done clear
  B)
   Only III 
  done clear
  C)
   I and IV                               
  done clear
  D)
   II and III
  done clear
  View Answer play_arrow

• question_answer102) Which one is correctly matched?
  A)

  Animal	Characteristic	Taxon
  Millipede	Verbal   nerve cord Verbal   nerve  cord	Arachnids

  done clear
  B)

  Animal	Characteristic	Taxon
  Silver fish	Pectoral   and pelvic fins	Chordata

  done clear
  C)

  Animal	Characteristic	Taxon
  Duck-billed     Platypus	Oviparous	Mammalia

  done clear
  D)

  Animal	Characteristic	Taxon
  Sea anemone	Triploblastic	Cnidaria

  done clear
  View Answer play_arrow

• question_answer103) Read the following statement and select the correct option.

  I. Circulatory system in arthropods is of closed type.

  II. Parapodia in annelids help in swimming.

  III. Phylum-Mollusca is the second largest animal phylum.

  IV. Aschelminthes are dioecious.

  A)
   Only I                  
  done clear
  B)
   Only III
  done clear
  C)
   Only IV              
  done clear
  D)
   III and IV
  done clear
  View Answer play_arrow

• question_answer104) Select the animal which has the following features is their body.

  I. Marine habitat.

  II. Bilateral symmetry and cephalisation.

  III. Haemocoel as principal body cavity.

  IV. Eyes similar to that of vertebrates.

  A)
   silver fish                           
  done clear
  B)
   dog fish
  done clear
  C)
   cattle fish                          
  done clear
  D)
   jelly fish
  done clear
  View Answer play_arrow

• question_answer105) Which of the following is properly matched?
  A)
   Platy helminthes - Trematoda - Planaria
  done clear
  B)
   Echinodermata - Asteroidea - Star fish
  done clear
  C)
   Arthropoda - Insecta - Spider
  done clear
  D)
   Mollusca - Cephalopoda - Unio
  done clear
  View Answer play_arrow

• question_answer106) Match the following column I with column II.

  Column I	Column II
  A. Cyclostone	1.   Hemichordata
  B. Aves	2.   Urochordata
  C. Tunicates	3.  Agnatha
  D. Balanoglossus	4.   Pisce
  E. Osteichthyes	5.  Tetrapoda

                  Codes
  A)
                  A-1         B-2         C-3         D-4         E-5
  done clear
  B)
                  A-2         B-3         C-4         D-1         E-5
  done clear
  C)
                  A-3         B-5         C-2         D-1         E-4
  done clear
  D)
                  A-3         B-1         C-5         D-2         E-4
  done clear
  View Answer play_arrow

• question_answer107) Which of the following statement (s) is/are true in regard to human digestion?

  I. Liver, the largest gland of human body secretes, anticoagulant heparin.

  II. Pancreas, the endocrine gland secretes pancreatic juice which in slightly acidic in nature.

  III. Both carbohydrates and lipids are majorly absorbed into blood capillaries in small in intestine.

  IV. Trypsinogen is converted to trypsin with the help of enterokinase, present in intestinal, juice.

  A)
   Only I
  done clear
  B)
   I, II and III
  done clear
  C)
   III and IV
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer108) Match the following column I with colunm II.

  Column I	Column II
  A. Earthworm	1. Gizzard
  B. Cockroach	2. Caecum
  C. Frog	3. Clitellum
  D. Rat	4. Cloaca

  Codes
  A)
                  A-1         B-2         C-4         D-3
  done clear
  B)
                  A-3         B-1         C-4         D-2
  done clear
  C)
                  A-2         B-1         C-3         D-4
  done clear
  D)
                  A-3         B-1         C-2         D-4
  done clear
  View Answer play_arrow

• question_answer109) Which one of the following phyla is correctly matched with its two general characteristics?
  A)
   Echinodermata - Pentamerous radial symmetry and mostly internal fertilization
  done clear
  B)
   Mollusca- Normally oviparous and development through a trochophore or veliger larva
  done clear
  C)
   Arthropoda - Body is divided into head, thorax and abdomen and respiration by tracheae
  done clear
  D)
   Chordata - Notochord at some stage and separate anal and urinary opening to the outside
  done clear
  View Answer play_arrow

• question_answer110) Respiratory, blood vascular and skeletal systems are absent in the members of phylum.
  A)
   Annelida
  done clear
  B)
   Porifera
  done clear
  C)
   Platyhelminthes
  done clear
  D)
   Echinodermata
  done clear
  View Answer play_arrow

• question_answer111) Foramen trans versarium, also called vertebro-arterial canal is present in all
  A)
   cervical vertebrae
  done clear
  B)
   sacral vertebrae
  done clear
  C)
   lumber vertebrae
  done clear
  D)
   caudal vertebrae
  done clear
  View Answer play_arrow

• question_answer112) Glissons capsule, the thin sheet of connective tissue cover the
  A)
   liver                     
  done clear
  B)
   kidney
  done clear
  C)
   stomach             
  done clear
  D)
   pancreas
  done clear
  View Answer play_arrow

• question_answer113) SCID or Severe Combined Immuno Deficiency Syndrome can be used permanently by

  I. Enzyme replacement therapy.

  II. By SIRNA approach.

  III. Introducing   bone   marrow   cells producing ADA into cells at early embryonic stages.

  IV. By inserting the functional gene using retroviruses.

  V. Periodic infusion of genetically engineered lymphocytes having functional ADA, c DNA.

  A)
   II, III and IV                       
  done clear
  B)
   III and IV
  done clear
  C)
   III and V             
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer114) The grey crescent is the area
  A)
   at the point of entry of sperm into ovum
  done clear
  B)
   just opposite to the site of entry of sperm into ovum
  done clear
  C)
   at the animal pole
  done clear
  D)
   at the vegetal pole
  done clear
  View Answer play_arrow

• question_answer115) RBCs and adipocytes respire anaerobically because they

  I. require much less energy.

  II. possess carbonic anhydrase.

  III. possess very few mitochondria.

  IV. possess few mitochondria and large amount of energy.

  Choose the correct option.
  A)
   I and II               
  done clear
  B)
   I and III
  done clear
  C)
   II and IV              
  done clear
  D)
   I, II and III
  done clear
  View Answer play_arrow

• question_answer116) Choose the correct statements.

  I. Ova collected from a female donor are transferred to the Fallopian tube to facilitate zygote formation in artificial insemination.

  II. Zygote is collected from a female donor and transferred to the Fallopian tube in IVF.

  III. Transfer of an ovum collected from a donor info the Fallopian tube of another female who cannot produce an ovum is called as GIFT.

  IV. Transfer of early embryos with up to 8-blastomeres into the Fallopian tube of the female is called ZIFT.

  A)
   I, II and IV                          
  done clear
  B)
   II, III and IV
  done clear
  C)
   Only II                 
  done clear
  D)
   III and IV
  done clear
  View Answer play_arrow

• question_answer117) How is the arrangement of Mendels selected seven characters on four chromosomes?
  A)
   One is chromosome number 1, four in chromosome number 4, one in chromosome number 5 and one in chromosome number 7
  done clear
  B)
  Two in chromosome number 1, Three in chromosome number 4, one in chromosome number 5 and one in chromosome number 6
  done clear
  C)
   Three in chromosome number 1, one in chromosome number 4, two in chromosome number 5 and one in chromosome number 7
  done clear
  D)
  Two in chromosome number 1, Three in chromosome number 4, One in chromosome number 5 and one in chromosome number 7
  done clear
  View Answer play_arrow

• question_answer118) Choose the correct sequence for evolution of human ancertors.

  I. Dryopithecus

  II. Ramapithecus

  III. Homo erectus

  IV. Australopithecus

  A)
   \[I\to II\to III\to IV\]
  done clear
  B)
   \[IV\to III\to 1\to II\]
  done clear
  C)
   \[I\to II\to 1V\to III\]     
  done clear
  D)
   \[II\to I\to 1V\to III\]
  done clear
  View Answer play_arrow

• question_answer119) AABbCc genotype forms how many types of gametes?
  A)
   4                            
  done clear
  B)
   8     
  done clear
  C)
   2                                            
  done clear
  D)
   6
  done clear
  View Answer play_arrow

• question_answer120)  Which statement (s) is/are correct?

  I. Degeneracy of code in related to third member of codon.

  II. Single codon codes for more than one amino acid.

  III. In codon, first two bases are more specific.

  IV. In codons, third base is wobble.

  V. Code is universal.

  A)
   I, II, III, IV and V      
  done clear
  B)
   I, II and IV
  done clear
  C)
   I, III and IV           
  done clear
  D)
   I, III. IV and V
  done clear
  View Answer play_arrow

• question_answer121) An impairement affecting synthesis or release of ADH result in a diminished ability of the kidney to conserve water leading to water loss and dehydration. This hormone released in blood by which of the following labelled structure in the give diagram?
  A)
   A                                           
  done clear
  B)
   B
  done clear
  C)
   C                                           
  done clear
  D)
   D and A
  done clear
  View Answer play_arrow

• question_answer122) Select the correct matches.

  Column I	Column II
  I.   Euglena	Animal and plant
  II.  Archaeopteryx	Reptiles and Mammalia
  III. Balanoglossus	Eurochordata      and Cephatochordata
  IV. Penpatus	Annelida and Arthropoda

            
  A)
   I and IV                               
  done clear
  B)
   II and IVV
  done clear
  C)
   I and III                               
  done clear
  D)
   II and IV
  done clear
  View Answer play_arrow

• question_answer123) Bombyx  mori a silk math is a
  A)
   holomata bola - insect-like mosquito
  done clear
  B)
   hemimata bola - insect-like bed bug
  done clear
  C)
   holomata bola - insect like-cockroach
  done clear
  D)
   hemimata bola - insect-like butterfly
  done clear
  View Answer play_arrow

• question_answer124) Erythroblastosis foetalis is caused if the fertilisation occurs between gametes of
  A)
   \[R{{h}^{-}}\] female and \[R{{h}^{+}}\] male
  done clear
  B)
   \[R{{h}^{+}}\] female and \[R{{h}^{-}}\] male
  done clear
  C)
    \[R{{h}^{-}}\]female and  \[R{{h}^{+}}\]male
  done clear
  D)
   \[R{{h}^{+}}\] female and \[R{{h}^{-}}\] male
  done clear
  View Answer play_arrow

• question_answer125) Arrange the following in order of accurancy needed to perform the process given below.

  I. Replication

  II. Transcription

  III. Translation

  A)
   I > II > III                             
  done clear
  B)
   III > II > I
  done clear
  C)
   I > III > II                             
  done clear
  D)
   II > I > III
  done clear
  View Answer play_arrow

• question_answer126) A, B and C are the three forms of DNA. In which
  A)
   A and B are right handed and C is left handed
  done clear
  B)
   A is right handed and B and C are left handed
  done clear
  C)
   All three are right handed, but the number of bases per turn in the three is different
  done clear
  D)
   AII three are left hand, but the number of bases per turn in the three is different
  done clear
  View Answer play_arrow

• question_answer127) Mark the incorrect statement (s).

  I. Protoplasm is a physical basis of the life is said by Rudoef Virchow.

  II. Haeckal is well known for his recapitulation theory.

  III. TH Morgan gave modern principle of inheritance.

  IV. Chromosomal theory of inheritance is given by Me Leod and Me Carty.

  A)
   I and IV                               
  done clear
  B)
   II and III
  done clear
  C)
   I and III                               
  done clear
  D)
   II and IV
  done clear
  View Answer play_arrow

• question_answer128) Following are given some statements regarding nodes of Ranvier. Which of the following in correct for nodes of Ranvier of nerve?
  A)
   Neurilemma is discontinuous
  done clear
  B)
   Myelin sheath is discontinuous
  done clear
  C)
   Both neurilemma and myelin sheath are discontinuous
  done clear
  D)
   Covered by myelin sheath
  done clear
  View Answer play_arrow

• question_answer129) Which of the following statements is/are wrong regarding ZIFT?

  I. It stands for Zygote Intra Fallopian Transfer.

  II. Zygote is transferred into the Fallopian tube after IVF.

  III. Early embryos up to 8-blastomeres can also be transferred into the Fallopian tubes.

  IV. Embryos with more than 8-blastomeres are also transferred into the Fallopian tubes.

  A)
   I, II and III                          
  done clear
  B)
   Only I
  done clear
  C)
   II and IV                             
  done clear
  D)
   Only IV
  done clear
  View Answer play_arrow

• question_answer130) A cardiac cycle includes
  A)
   auricular systole-ventricular diastole-joint diastole
  done clear
  B)
   auricular systole-ventricular systole-complete cardiac diastole
  done clear
  C)
   ventricular diastole - auricular systole - complete cardiac diastole
  done clear
  D)
   joint diastole-ventricular systole-complete cardiac diastole
  done clear
  View Answer play_arrow

• question_answer131) Given that I = natural selection; II = variation and their inheritance; III = survival of the fittest; IV = struggle for existence. According to Darwinism, which of the following represents the correct sequence of events in the origin of new species?
  A)
   III, IV, I and II        
  done clear
  B)
   II,III, I and IV
  done clear
  C)
   I, II, III and IV         
  done clear
  D)
   IV, II, III and I
  done clear
  View Answer play_arrow

• question_answer132) EEG is an idex of brain functioning and is most useful in the diagnosis of

  I. epilepsy.

  II. brain infections and drug effects on the brain.

  III. sleep and it disorder.

  IV. brain death.

  A)
   I and II               
  done clear
  B)
   I and III
  done clear
  C)
   I, II and III                          
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer133) Match the following column I with column ll.

  Column I	Column ll
  A.   Accessary duct	1. Seminal vesicle
  B.  Accessary gland	2. Vas defference
  C.  Spermatids	3. Uterus
  D. Primary spermatocyte	4.23-chromosomes
  	5. 46 -chromosomes

  Codes
  A)
                  A-4,3     B-5         C-2         D-1     
  done clear
  B)
                  A-4,5     B-2         C-1         D-3
  done clear
  C)
                  A-2,1     B-3         C-5         D-4    
  done clear
  D)
                  A-2,3     B-1         C-4         D-5
  done clear
  View Answer play_arrow

• question_answer134) Consider the following statements and mark them as true or false.

  I. Ligaments are connective tissues that connect skeletal muscles to bones.

  II. Bone marrow is composed of adipose tissue, areolar tissue and blood.

  III. Hyaline cartilage in the strogest cartilage in vertebrate body.

  IV. Mast cells are modified basophils which secrete vaso constrictor, i.e. histamine.

  True                      false           
  A)
                  II, III                       I, IV         
  done clear
  B)
                  ll, IV                       I. Ill
  done clear
  C)
                  I, IV                        II, III         
  done clear
  D)
                  III,IV                      I, II
  done clear
  View Answer play_arrow

• question_answer135) In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelterss syndrome in male. It proves
  A)
   in human being Y-chromosome is active in sex determination
  done clear
  B)
  Y-chromosome is active in sex determination in both human beings and Drosophila
  done clear
  C)
  in Drosophila Y-chromosome decides femaleness
  done clear
  D)
  Y-chromosome of man have genes for syndrome
  done clear
  View Answer play_arrow

• question_answer136) Salivary glands are absent in
  A)
   Anopheles maculipennis
  done clear
  B)
   Musca domestica
  done clear
  C)
   Blatta orientalis       
  done clear
  D)
   Rana hexadactyla
  done clear
  View Answer play_arrow

• question_answer137) Which of following some as biological control of plant pests?

  I. Lady beetles

  II. Leopard moth

  III. Stink bugs

  IV. White grubs

  A)
   Only I                                  
  done clear
  B)
   I and III
  done clear
  C)
   II and IV                             
  done clear
  D)
   III and IV
  done clear
  View Answer play_arrow

• question_answer138) Match the following column I with column II.

  Column I	Column II
  A.   UUU	1. Serine
  B.   GGG	2. Methionine
  C.   UCU	3. Phenyl alanine
  D.   AUG	4. Glycine
  E.   CCC	5. Proline

  Codes
  A)
                  A-3         B-4         C-1         D-2        E-5
  done clear
  B)
                  A-1         B-2         C-3         D-4        E-5
  done clear
  C)
                  A-3         B-4         C-5         D-1         E-2
  done clear
  D)
                  A-4         B-3         C-1         D-2         E-3
  done clear
  View Answer play_arrow

• question_answer139) Corpus luteum remains active during early pregnancy producing progesterone because of human Chorionic Gonadotropin (hCG). But in the later stages the production of progesterone is taken over by
  A)
   placenta             
  done clear
  B)
   allantois
  done clear
  C)
   chorion               
  done clear
  D)
   amnion
  done clear
  View Answer play_arrow

• question_answer140) In human gut in order of secretion, the proteolytic enzymes are
  A)
   renin, trypsin and steapsin
  done clear
  B)
   pepsin, trypsin and erepsin
  done clear
  C)
   trypsin, steapsin and dipeptidase
  done clear
  D)
   None of the the above
  done clear
  View Answer play_arrow

• question_answer141) Which of the following nervous system is called cranial-sacral out flow?
  A)
   SNS and it is adrenergic                   
  done clear
  B)
   PSNS and it is adrenergic
  done clear
  C)
   SNS and it is cholinergic
  done clear
  D)
  PSNS and it is cholinergic
  done clear
  View Answer play_arrow

• question_answer142) The endogenous pyrogen (mterleukin-I) is secreted by
  A)
  neutrophils                                        
  done clear
  B)
   eosinophils
  done clear
  C)
   macrophages                   
  done clear
  D)
   monocytes
  done clear
  View Answer play_arrow

• question_answer143) During the study of sexually transmitted disease, a student learns about there mode of transmission among individuals, their casuative agents, etc. Correctly match the agents and the STDs they cause given in column I and II.

  Column I	Column II
  A. Treponema pallidum	1. Chlamydia
  B. HSV type-l	2. Syphillis
  C. Trichomonas vaginalis	3. Genital warts
  D. Chlamydia trachomatis	4. Trichomoniasis

  Codes
  A)
                  A-1         B-2         C-3         D-4   
  done clear
  B)
                  A-2         B-3         C-4         D-1
  done clear
  C)
                  A-4         B-3         C-2         D-1    
  done clear
  D)
                  A-3         B-4         C-1         D-2
  done clear
  View Answer play_arrow

• question_answer144) Match the following column I with column II.

  Column I	Column II
  A. Struthio	1.   Retrogressive metamorphis
  B. Ichthyophis	2.   Largest living flightless bird
  C. Herdmania	3.   Flying bird
  D. Psittacula	4.   A limbless amphibian

  Codes
  A)
                  A-1         B-2         C-3         D-4                      
  done clear
  B)
                  A-2         B-4         C-1         D-3
  done clear
  C)
                  A-4         B-3         C-2         D-1
  done clear
  D)
                  A-3         B-2         C-4         D-1
  done clear
  View Answer play_arrow

• question_answer145) Gravi-index test (pregnancy test) detects the presence of following hormone in urine.
  A)
   hCG                                     
  done clear
  B)
   Progesterone
  done clear
  C)
   Relaxin               
  done clear
  D)
   FSH
  done clear
  View Answer play_arrow

• question_answer146) Trophoblast   of   the   blast cyst   gets differentiated into
  A)
   allantois            
  done clear
  B)
   chorion
  done clear
  C)
   amnion               
  done clear
  D)
   embryo                   
  done clear
  View Answer play_arrow

• question_answer147) Identify the correctly matched pair.              
  A)
   Acrodont - Teeth attached to bony sockets           
  done clear
  B)
  Thecodont - Teeth attached to the rest of the bone
  done clear
  C)
   Pleurodont - Teeth attached to the medial side of bone
  done clear
  D)
   Diphyodont - Teeth appearing many times in life      
  done clear
  View Answer play_arrow

• question_answer148) Which of the following statements is/are true?      

  I. Urine is hypotonic in distal convoluted tubule.

  II. When the urine passes into the collecting tubule it becomes hypotonic.

  III. Urine is isotonic in proximal convoluted tubule.

  IV. Urine becomes more and more hypotonic as it passes through the loop of Henle.

  A)
   I and IV              
  done clear
  B)
   I, II and III
  done clear
  C)
   II and HI                             
  done clear
  D)
   Only III
  done clear
  View Answer play_arrow

• question_answer149) Match the following column I with column II.

  Column I	Column II
  A. Bee wax	1,  Five year life span
  B. Pebrine	2. Worker bees
  C. Queen bee	3. Disease of silkworms
  D, Bombax mori	4. Insect
  E. Worker bee	5.  90 days of life span

  Codes
  A)
                  A-2         B-3         C-1         D-4         E-5
  done clear
  B)
                  A-5         B-4         C-3         D-2         E-1
  done clear
  C)
                  A-3         B-4         C-5         D-1         E-2
  done clear
  D)
                  A-1         B-3         C-4         D-5         E-2
  done clear
  View Answer play_arrow

• question_answer150) Opisthonephron kidney is the modification of
  A)
   mesonephrons kidney
  done clear
  B)
   pronephrons kidney
  done clear
  C)
   metanephrons kidney
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer151) A major breakthrough in the studies of cells come with the development of electron microscope. This is because
  A)
   the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons
  done clear
  B)
   the resolving power of electron microscope is much higher than that of the light microscope
  done clear
  C)
   the resolving power of the electron microscope is 200-350 nm as compared to 0.1-0.2 nm for the light microscope
  done clear
  D)
   electron beam can pass through thick materials whereas light microscope requires their section
  done clear
  View Answer play_arrow

• question_answer152) Match the following column I with column II.

  Column I   (Author)	Column II   (Book/Monograph)
  A. Andreas Vesalius	1. Micrographia
  B. Carolus Linneus	2. Philosophic zoologique
  C. Robert Hook	3. De  Humani  corpons Fabrica
  D. Jean Baptiste de	4. Species Plantarum Lamarck

              Codes
  A)
                  A-4         B-2         C-3         D-1
  done clear
  B)
                  A-3         B-4         C-1         D-2
  done clear
  C)
                  A-4         B-3         C-2         D-1
  done clear
  D)
                  A-3         B-2         C-4         D-1
  done clear
  View Answer play_arrow

• question_answer153) Choose the correct statement.

  I. The rich sources of iodine are Laminaria Fucus and Aascophyllum.

  II. Volvox globalor and V. aureus are colonial flagellates.

  III. There is no flagellated phage in life cycle of Spirogyra.

  IV. Chlamydomonas, does not reproduce sexually.

  A)
   Only I
  done clear
  B)
   Only II
  done clear
  C)
   Only III
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer154) Identify the suitable matching pairs from column I and column II.

  Column I	Column II
  A. Peritrichous flagella	1. Macrocystis
  B. Rhizophore	2. Ginkgo
  C. Largest perennial alga	3. E. coli
  D. Living fossil	4. Wolffia
  E. Smallest flowering plant	5. Selagineila

     Codes
  A)
                  A-4         B-3         C-5         D-2         E-1
  done clear
  B)
                  A-3         B-5         C-4         D-1         E-2
  done clear
  C)
                  A-1         B-3         C-5         D-2         E-4
  done clear
  D)
                  A-3         B-5         C-1         D-2         E-4
  done clear
  View Answer play_arrow

• question_answer155) The family containing mustard and its main characters are
  A)
   Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, capsuletype fruit
  done clear
  B)
   Brassicaceae - Pentamerous flowers, many stamens pentacarpellary gynoecium, capsule type fruit
  done clear
  C)
   Solanaceae-Pentamerous flower, five stamens, bicarpellary gynoecium berry type fruit
  done clear
  D)
   Poaceae-    flowers,     three    stamens, monocarpellary gynoecium, caryopsis type of fruit
  done clear
  View Answer play_arrow

• question_answer156) Match the term in column I with their description in column II.

  Column I	Column II
  A. Fossil	1. Accumulation of neutral mutations
  B. Stratification	2. is shark fins, pengen in flippers
  C. Molecular clock	3. Stone hand evidence of life in past
  D. Analogy	4. Lyer of sedimentary rock

  Codes
  A)
                  A-4         B-2         C-3         D-1    
  done clear
  B)
                  A-3         B-4         C-1         D-2
  done clear
  C)
                  A-4         B-1         C-2         D-1   
  done clear
  D)
  A-3         B-2         C-4         D-2
  done clear
  View Answer play_arrow

• question_answer157) Choose the correctly matched pair       
  A)
   Honey mushroom -ArmiHaria
  done clear
  B)
   Birds nest fungus - Phallu
  done clear
  C)
   Tooth fungi - Hydnum
  done clear
  D)
   Coral fungi - Clavaria
  done clear
  View Answer play_arrow

• question_answer158) Read the following statements.

  I. The four nucleotide basis are not necessarily present in DNA in exact equal proportions.

  II. The total amount of purines is equal to the total amount of pyrimidines.

  III. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into its component nucleotide.

  IV. Nuclease enzyme are capable of restoring an intact DNA duplex of the above statements.

  A)
   I and II are incorrect, but III and IV are correct
  done clear
  B)
   I and II are correct, but IV and III are incorrect
  done clear
  C)
   II is correct, but I III and IV are incorrect
  done clear
  D)
    II, III and IV are correct but I is incorrect
  done clear
  View Answer play_arrow

• question_answer159) What are the successive structures formed in case of sexual reproduction is Rhizopus?
  A)
   Zygospore, progametangium, gametangium, zygophore
  done clear
  B)
   Progametangium, zygophore, gametangium. Zygospore
  done clear
  C)
   Progametangium, gametangium, zygospore zygophore
  done clear
  D)
   Zygophore, progametangium, gametanQium, zygospore
  done clear
  View Answer play_arrow

• question_answer160) Match the following column I with column II.

  Column I	Column II
  A.  Chargaff	1. Wilkins and Franklin
  B.  Replicon	2. Uptake of lactose
  C. Permease	3. hnRNA
  D. Split gene	4. Length of DNA
  E. X-ray diffraction	5. \[(A+G)=(C+T)\]

             Codes
  A)
  A-2         B-3         C-4         D-1         E-5
  done clear
  B)
  A-5         B-4         C-2         D-3         E-1
  done clear
  C)
  A-1         B-3         C-2          D-4        E-5
  done clear
  D)
  A-2         B-4         C-1         D-3         E-5
  done clear
  View Answer play_arrow

• question_answer161) Match the family given with their floral formula.

  Column I	Column II
  A. Liliaceae	1.
  B. Cruciferae	2.
  C.Malvaceae	3.
  D. Solanaceae	4.

  Codes                                  
  A)
                  A-3         B-4         C-1         D-2  
  done clear
  B)
                  A-2         B-1         C-4         D-3
  done clear
  C)
                  A-1         B-3         C-4         D-2   
  done clear
  D)
                  A-4         B-3         C-2         D-1
  done clear
  View Answer play_arrow

• question_answer162) Consider the following statements and choose the correct answers from the given codes

  I. The sporophyte in liverworts is more elaborate than that is noxes.

  II. Salvinia is heterosporous.

  III. The life cyclie in all seed bearing plant is diplontic.

  IV. In Pinus male and female cones are borne on different trees.

  A)

  True	False
  I, II	III, IV

  done clear
  B)

  True	False
  III, II	IV, I

  done clear
  C)

  True	False
  II, I	III, IV

  done clear
  D)

  True	False
  I, III	II, IV

  done clear
  View Answer play_arrow

• question_answer163) Select the correct statement (s).

  I. Multicarpellary and syncarpous gynoecium is present in Michelia.

  II. Multicarpellary and syncarpous gynoecium is present in Papaver.

  III. Unicarpellary and apocarpous gynoecium is present in Papaver.

  IV. Multicarpellary and apocarpous gynoecium is present in Muchelia.

  A)
   I and II                
  done clear
  B)
   I and III
  done clear
  C)
   II and IV             
  done clear
  D)
   III and IV
  done clear
  View Answer play_arrow

• question_answer164) Cell division was observed in the single cell of root tip. How many generation of mitosis are required to produce 128 cells from the single cell of the root tip?
  A)
   64                         
  done clear
  B)
   8      
  done clear
  C)
   7                            
  done clear
  D)
   32
  done clear
  View Answer play_arrow

• question_answer165) Match the following column I with column II.

  Column I	Column II
  A. Bacillus thuringiensis	1.  Production of chitinases
  B. Rhizobium meliloti	2.  Scavenging of oil spills
  C. Escherichiacoli	3. Incorporation of nif gene
  D.   Pseudomonas putida	4. Production of Bt toxin
  E.   Trichoderma	5. Production of human insulin

  Codes
  A)
  A-2         B-3         C-4         D-1         E-5
  done clear
  B)
  A-4         B-2         C-5         D-3         E-1
  done clear
  C)
  A-4         B-3         C-5         D-2         E-1
  done clear
  D)
  A-5         B-4         C-3         D-2         E-1
  done clear
  View Answer play_arrow

• question_answer166) All of the following statements concerning the Actinomycetes filamentous soil bacterium Fmnkia are correct except that Frankia.
  A)
   Can induce root nodules of many plant species
  done clear
  B)
   Can fix nitrogen in the free living state
  done clear
  C)
   Cannot fix specialised vesicles in which the nitogenase is protected from oxygen by a chemical barrier involving triterpene hapanoids
  done clear
  D)
   Like Rhizobium it usually infects its hort plant through root air deformation and stimulates cell proliferation in the hort cortex
  done clear
  View Answer play_arrow

• question_answer167) Consider the following given statements. Two statements are correct. Choose the correct options from the given codes.

  I. A lion eating a deer and a sparrow feeding an grain are ecologically similar in being consumers.

  II. Predator star fish Pisaster helps in maintaining species diversity of some invertebratess.

  III. Predators ultimately lead to the extinction of prey species.

  IV. Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.

  A)
   Hand III                              
  done clear
  B)
   III and IV
  done clear
  C)
   I and IV                               
  done clear
  D)
   I and II
  done clear
  View Answer play_arrow

• question_answer168) Consider the following statements and select true or false.

  I. A constant input of solar energy is basic requirement of ecosystem.

  II. Biomass or organic matter produced is expressed in terms of K cal \[{{m}^{-2}}\].

  III. The rate of biomass production is called net primary production.

  IV. Net primary productivity minus respiration called gross primary production.

  A)

  True	False
  I, III	II, IV

  done clear
  B)

  True	False
  II, III	I, IV

  done clear
  C)

  True	False
  I, II	III, IV

  done clear
  D)

  True	False
  I, IV	II, III

  done clear
  View Answer play_arrow

• question_answer169) The following diagram represents the floral diagram of home important families. Their respective families are assigned in the answer key. Choose the correct options from them.                      
  A)

  A	B	C
  Liliaceae	Asteraceae	Solanaceae

        
  done clear
  B)

  A	B	C
  Asteraceae	Solanaceae	Brassicaceae

  done clear
  C)

  A	B	C
  Asteraceae	Fabaceae	Poaceae

  done clear
  D)

  A	B	C
  Poaceae	Solanaceae	Asteraceae

  done clear
  View Answer play_arrow

• question_answer170) Match the following Column I with Column II.

  Column I	Column II
  A. Pacific salmon fish	1. Verhulst-pearl     logistic growth
  B. \[{{N}_{1}}={{N}_{0}}{{e}^{rt}}\]	2. Breeds only once in lifetime
  C.  Oyster	3. Exponential growth
  D. \[\frac{dN}{dt}=rN\left( \frac{K-N}{K} \right)\]	4- A large number of small  sized offsprings

  A)
                  A-4         B-3         C-1         D-2
  done clear
  B)
                  A-3         B-4         C-1         D-2
  done clear
  C)
                  A-3         B-1         C-4         D-2
  done clear
  D)
                  A-2         B-3         C-4         D-1
  done clear
  View Answer play_arrow

• question_answer171) The orderly change in A leads some change in community that is near B with the environment. This community is known as C community and the process is termed Fill in the blanks with suitable words.
  A)

  A	B	C	D
  Energy	Optimum	Serai	Development

  done clear
  B)

  A	B	C	D
  Radiation	Minimum	Pioneer	Coevolutionv

  done clear
  C)

  A	B	C	D
  Environment	Equilibrium	Climax	Ecological succession

  done clear
  D)

  A	B	C	D
  Wind flow	Maximum	Decomposer	Secondary succession

  done clear
  View Answer play_arrow

• question_answer172) Match the following column I with column II.

  Column I	Column II
  A. Aerobic	1.  Frankia
  B. Cyanobacteria	2. Azospirillum
  C. Casuarina	3.  Clostridium
  D. Tropical grasses	4. Aulozira
  	5.  Azotobacter

               Codes
  A)
                  A-3         B-5         C-4         D-2   
  done clear
  B)
                  A-2         B-1         C-3         D-5
  done clear
  C)
                  A-5         B-3         C-4         D-1    
  done clear
  D)
                  A-5         B-4         C-1         D-2
  done clear
  View Answer play_arrow

• question_answer173) If a recombinant DNA bearing gene for amplicillin resistance is transferred into E. coli cells and the host cells are spread an agar plates containing amplicillin, then
  A)
   both transformed and untransformed recipient cells will die
  done clear
  B)
  both transformed and untransformed recipient cells will grow
  done clear
  C)
   transformed recipient cells will grew and untransformed recipient cells will die
  done clear
  D)
   transformed  recipient cells wilt die and untransformed recipient cells will grew
  done clear
  View Answer play_arrow

• question_answer174) Match the following column I with column II.

  Column I	Column II
  A.  Red algae	1. Marchantia
  B.  Liverwort	2. Pinus
  C. Walking fern	3. Polysiphonia
  D. Gymnosperm	4. Adiantum

  Codes                               
  A)
                  A-3         B-5         C-4         D-3    
  done clear
  B)
                  A-2         B-4         C-3         D-1
  done clear
  C)
                  A-2         B-3         C-1         D-4    
  done clear
  D)
  A-3         B-1         C-4         D-2
  done clear
  View Answer play_arrow

• question_answer175) Match the following column I with column II.

  Column I	Column II
  A. Bacillus thringiensis	1. Production of human insulin, growth hormone
  B. Rhizobium meliloti	2. Production of Bt toxin
  C. Pseudomonas putida	3. Scanenging of oil spills
  D. Escherichia coli	4. \[{{N}_{2}}\] -fixation by n if gene in cereal crops

  Codes
  A)
                  A-2         B-4         C-3         D-1    
  done clear
  B)
                  A-1         B-2         C-3         D-4           
  done clear
  C)
                  A-2         B-1         C-4         D-3    
  done clear
  D)
                  A-2         B-3         C-1         D-2
  done clear
  View Answer play_arrow

• question_answer176) Match the following column I with column II.

  Column I	Column II
  A. Peritrichous flagellation	1. Ginko
  B.   Living fomils	2. Macrocystis
  C.   Rhizophore	3. Escherichia coli
  D. Smallest flowering plant	D. Smallest flowering plant
  E. Largest perevialagae	5. Woiffia

             Codes
  A)
                  A-3         B-1         C-4         D-5         E-2
  done clear
  B)
                  A-2         B-1         C-3         D-4         E-5
  done clear
  C)
                  A-4         B-3         C-2         D-5         E-1
  done clear
  D)
                  A-1         B-2         C-5         D-3         E-4
  done clear
  View Answer play_arrow

• question_answer177) Read the following statements.

  I. Colchicin inhibits the addition oftubutin molecules to microfilaments, thus is a mitotic poison.

  II. The cell wall consists of cellulose, hemi cellulose, pectin, lignin and lipids.

  III. The urea cycle is compartmentacised between the matrix of the mitochondria and the cyto

  IV. Anthocyanin is a glucoside pigment, violet is neutral, red in acid and blue in alkaline cell sap.

  Choose the correct option.
  A)
   I and II               
  done clear
  B)
   I, II and III
  done clear
  C)
   I, II and IV                          
  done clear
  D)
   I, III and IV
  done clear
  View Answer play_arrow

• question_answer178) \[2N{{H}_{3}}+3{{O}_{2}}\xrightarrow{A}2NO_{2}^{-}+2{{H}^{+}}+2{{H}_{2}}O\]\[2NO_{2}^{-}+{{O}_{2}}\xrightarrow{B}2NO_{3}^{-}\]Identify the organism  and [B] involved in the above reactions respectively.
  A)
   Thiobacillus, Pseudomonas
  done clear
  B)
   NitrosomGnas, Nitrococcus
  done clear
  C)
   Nitrococcus, Nitrobacter
  done clear
  D)
   Azotobacter, Nitrococcus
  done clear
  View Answer play_arrow

• question_answer179) Choose the incorrect option amongst the following.
  A)

  Photosynthetic pigment	Name of    organism	Absorption(nm)
  Chlorophyll-d	Red algae	740 nm

  done clear
  B)

  Photosynthetic pigment	Name of    organism	Absorption(nm)
  p-caroten	Green plants	450-480 nm

  done clear
  C)

  Photosynthetic pigment	Name of    organism	Absorption(nm)
  Phycocyanin	BGA	618nm

  done clear
  D)

  Photosynthetic pigment	Name of    organism	Absorption(nm)
  Bacterioviridin	All photosynth- eticbacteria	400-700 nm

  done clear
  View Answer play_arrow

• question_answer180) Read the following statements about frog and choose the correct option.

  I. The body colour offers it protective colouration.

  II. Sammer sleep of frog is called aestivation.

  III. Tail is not present in life cycle of frog.

  IV. Mouth is bounded by a pair of lips.

  A)

  True	False
  I, III	II, IV

  done clear
  B)

  True	False
  I, II	III, IV

  done clear
  C)

  True	False
  II, III	I, IV

  done clear
  D)

  True	False
  II, IV	I, III

  done clear
  View Answer play_arrow

• question_answer181) The genetic drift operates only in
  A)
   island population    
  done clear
  B)
   smaller population
  done clear
  C)
   larger population    
  done clear
  D)
   Mendelian population  
  done clear
  View Answer play_arrow

• question_answer182) Identify which of the following utilities are offered to the service of man-kind by conservation of biodiversity?

  I. Ecosystem service like photosynthesis

  II. Industrial products like dyes and lubricants.

  III. Watching spring flowers in full bloom.

  IV. The aesthetic pleasure of walking through thick.

  V. Fibre, firewood and construction material.

  VI. Products of medicinal importance.

  Choose the correct options.
  A)
   I, II and III          
  done clear
  B)
   l,V and VI
  done clear
  C)
   IV, V and VI        
  done clear
  D)
   I, III and VI
  done clear
  View Answer play_arrow

• question_answer183) Which of the following statement(s) is/are correct?

  I. Enzymes for peroxide biosynthesis lies within peroxisomes.

  II. Catalase   enzyme   is   present   in glyoxysomes, a cell organelle present in animal and plant cells.

  III. Centrioles play a role in aster formation during cell division in plants.

  IV. Ribozymes are proteins that play an important role during protein synthesis.

  A)
   Only I                  
  done clear
  B)
   I, II and III
  done clear
  C)
   I and IV               
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer184) C-value means
  A)
   hapioid DNA content in an individual
  done clear
  B)
   colchiceni treatment value
  done clear
  C)
   gene binding frequency on chromosomes
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer185) Parbhani kranti is a variety of Abelomoschus esculentus, resistant to yellow mosaic virus was developed by
  A)
   plant breeding      
  done clear
  B)
   plant tissue culture
  done clear
  C)
   mutational breeding
  done clear
  D)
   r DNA technology
  done clear
  View Answer play_arrow

• question_answer186) Bryophyte used as antiseptic absorbant bandage is
  A)
   Sphagnum                        
  done clear
  B)
   Ricda
  done clear
  C)
   Marchantia                       
  done clear
  D)
   Porella
  done clear
  View Answer play_arrow

• question_answer187) An ambiguous codon in nature is
  A)
   UAG                    
  done clear
  B)
   UGA  
  done clear
  C)
   UAA                     
  done clear
  D)
   UUU
  done clear
  View Answer play_arrow

• question_answer188) Match the following column I with column II.

  Column I (Population interaction)	Column II  (Examples)
  A. Mutualism	1. Ticks on dogs
  B. Commensalism	2. Baianus and chathamalus
  C. Parasitism	3. Sparrow  and  any Seeds
  D. Campetition	4. Epiphyte on a mango branch
  E. Predation	5. Orchid ophrys and

              Codes
  A)
                  A-1         B-5         C-4         D-3         E-2
  done clear
  B)
                  A-2         B-1         C-5         D-4         E-3
  done clear
  C)
                  A-3         B-2         C-1         D-5         E-4
  done clear
  D)
                  A-5         B-4         C-1         D-2         E-3
  done clear
  View Answer play_arrow

• question_answer189) Which of the following environmental condition are essential for optimum growth of Mucoron a piece of bread?

  I. Temperature of about \[{{25}^{o}}C\].

  II. Temperature of about \[{{5}^{o}}C\]

  III. Relative humidity of about \[5%\]

  IV. Relative humidity of about \[95%\]

  V. A shady place.

  VI. A brightly illuminated place.

  Choose the correct options.
  A)
   II, III and VI                       
  done clear
  B)
   I. III and V
  done clear
  C)
   I. IV and V                         
  done clear
  D)
   II, IV and V
  done clear
  View Answer play_arrow

• question_answer190) Consider the following statements, choose correct options.

  I. Plant cells have centrioles which are almost absent in all animal cells.

  II. Ribosomes are the site of protein synthesis.

  III. The middle lamella is the layer mainly of calcium carbonate which holds the different neighbouring cells together.

  IV. In animal cells steroidal hormones are synthesised by smooth endoplasmic reticulum.

  A)

  True	False
  II, IV	I, III

  done clear
  B)

  True	False
  II, IV	I, III

  done clear
  C)

  True	False
  II, III	I, IV

  done clear
  D)

  True	False
  III, IV	I, II

  done clear
  View Answer play_arrow

• question_answer191) The two microbes found to be very useful in genetic engineering are
  A)
   Grown gall bacterium and Caenorhabditis
  done clear
  B)
   E. call and A. tumefaciens
  done clear
  C)
   V. cholerae and bacteriophage
  done clear
  D)
   Pseudomonas and Xanthomonas
  done clear
  View Answer play_arrow

• question_answer192) From which of the following algae, the agar-agar is commercially extracted?

  I. Gracillaria

  II. Fucus

  III. Sargassum

  IV. Gelidium

  V. Turbmalia

  A)
   III and V            
  done clear
  B)
   II and III
  done clear
  C)
   IV and V             
  done clear
  D)
   I and IV
  done clear
  View Answer play_arrow

• question_answer193) Column I lists the shape of chloroplast in green algae and column II shows the name of that algae.

  Column I	Column II
  A. Cup-shaped	1. Ulothrix
  B. Girdle-shaped	2. Oedogonium
  C. Stellate	3. Chlamydomonas
  D. Reticulate	4. Zygonema

                  Codes
  A)
                  A-2         B-4         C-3         D-1
  done clear
  B)
                  A-3         B-1         C-4         D-2
  done clear
  C)
                  A-3         B-4         C-2         D-1
  done clear
  D)
                  A-4         B-3         C-1         D-2
  done clear
  View Answer play_arrow

• question_answer194) Choose the incorrect pairs from the following.

  I. Holotype-A specimen on which the original description of the species is based.

  II. Syntype-A specimen other than the holotype available with the author.

  III. Paratype-any of two or more specimens cited by author when there is no holotype.

  IV. Neotype-A specimen is designated when the original types are known to have been destroyed.

  V. Isotype-A duplicate of the type.

  A)
   I and II                
  done clear
  B)
   II and III
  done clear
  C)
   IV and V            
  done clear
  D)
   I and V
  done clear
  View Answer play_arrow

• question_answer195) Read the following statement. Choose the correct statement from options given in codes.

  I. When a fruit develops from inflorescence, it is comporite.

  II. Mesocarp is the edible part in apple.

  III. Gynobasic style is seen in ocimum.

  IV. Hypanthodium is a special type of inflorescence found in euphorbia species.

  A)
   I and IV               
  done clear
  B)
   I and III
  done clear
  C)
   I and II                
  done clear
  D)
   I, II and IV
  done clear
  View Answer play_arrow

• question_answer196) Consider the following statements. There statements describes the major pigment and stored food in different group of algae. Choose the correct options.

  I. In chlorophyceae the stored food material is starch and major pigment is chlorophyceae -a and d.

  II. In phaeophyceae, laminarin is the stored food material and chlorophyll a and b are major pigments.

  III. In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoerythrin.

  A)

  True	False
  I	II, III

  done clear
  B)

  True	False
  I, I	III

  done clear
  C)

  True	False
  I, III	II

  done clear
  D)

  True	False
  II	I, III

  done clear
  View Answer play_arrow

• question_answer197) Based on which features an underground stem be differentiated from root.

  I. Presence of nodes and internodes.

  II. Presence of axillary and terminal buds.

  III. Presence of cap and hairs.

  IV. Absence of scale leaves and adventitious roots arising from nodes.

  V. Presence of exogenous branches.

  Choose the correct option.
  A)
   I. II and IV                          
  done clear
  B)
   I, II and V
  done clear
  C)
   II. Ill and V                         
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer198) Match the following column I with column II.

  Column I	Column II
  A. Vitamin-B rich SCP	1. Dunaliella salina
  B. Foxfire	2. Amanita muscaria
  C. Methionine deficient SCP	3. Candida lipolytica
  D. Lysin rich SCP	4. Armillana melka
  	5. Methylophilus methylotropus

  Codes
  A)
                  A-3         B-4         C-1         E-5
  done clear
  B)
                  A-3         B-2         C-1         E-4
  done clear
  C)
                  A-3         B-5         C-1         E-4
  done clear
  D)
                  A-1         B-4         C-2         E-3
  done clear
  View Answer play_arrow

• question_answer199) The given below are the organisms with their some specific role. Choose the incorrect pair.
  A)
   Biogas                                  - Methanobacterium
  done clear
  B)
   Mycorrhiza        - Glomus
  done clear
  C)
   Biocontrol agent              - Pythium
  done clear
  D)
   Ladybird beetle               - Aphid
  done clear
  View Answer play_arrow

• question_answer200) Bentham and Hooker classified dicots into
  A)
   Polypetalae, gamopetalae and glumifloral
  done clear
  B)
   Polypetalae, gamopetalae monochlamydae
  done clear
  C)
   Archechlamydae, monochlamydae and glumifloral
  done clear
  D)
   Polypetalae, gamopetalae and monochlamydae
  done clear
  View Answer play_arrow