Solved papers for CET Karnataka Medical CET - Karnataka Medical Solved Paper-2010

done CET - Karnataka Medical Solved Paper-2010 Total Questions - 180

• question_answer1) All capacitors used in the diagram are identical and each is of capacitance C. Then the effective capacitance between the point A and B is
  A)
   1.5 C            
  done clear
  B)
  6 C
  done clear
  C)
  C              
  done clear
  D)
   3 C
  done clear
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• question_answer2) Two identical conducting balls A and B have positive charges \[{{q}_{1}}\]and \[{{q}_{2}}\]respectively but \[{{q}_{1}}\ne {{q}_{2}}\]. The balls are brought together so that they touch each other and then kept in their original positions. The force between them is
  A)
   less than that before the balls touched
  done clear
  B)
   greater than that before the balls touched
  done clear
  C)
   same as that before the balls touched
  done clear
  D)
   zero
  done clear
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• question_answer3) Red light of wavelength 625 nm is incident normally on an optical diffraction grating with\[{{S}_{2}}\]lines/m. Including central principal maxima, how many maxima may be observed on a screen which is far from the grating?
  A)
   15              
  done clear
  B)
   17
  done clear
  C)
   8               
  done clear
  D)
   16
  done clear
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• question_answer4) A battery of emf \[E\]has an internal resistance\[r\]. \[A\]variable resistance \[R\]is connected to the terminals of the battery. \[A\]current\[i\] is drawn from the battery. \[V\]is the terminal potential difference. If \[R\]alone is gradually reduced to zero, which of the following best describes \[i\]and\[V\]?
  A)
   \[i\]approaches zero, \[V\]approaches \[E\]
  done clear
  B)
   \[i\]approaches \[\frac{E}{r},\]\[V\]approaches zero
  done clear
  C)
   \[i\]approaches \[\frac{E}{r},\]\[V\]approaches \[E\]
  done clear
  D)
   \[i\]approaches infinity, \[V\] approaches \[E\]
  done clear
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• question_answer5) Three voltmeters A, B and C having resistances R, 1.5 R and \[3R\]respectively are used in a circuit as shown. When a potential difference is applied between X and Y, the readings of the voltmeters are \[{{V}_{1,}}\]\[{{V}_{2}}\], and\[{{V}_{3}}\]respectively. Then
  A)
  \[{{V}_{1}}=\text{ }{{V}_{2}}=\text{ }{{V}_{3}}\]
  done clear
  B)
   \[{{V}_{1}}<{{V}_{2}}={{V}_{3}}\]
  done clear
  C)
   \[{{V}_{1}}>{{V}_{2}}>{{V}_{3}}\]
  done clear
  D)
   \[{{V}_{1}}>{{V}_{2}}={{V}_{3}}\]
  done clear
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• question_answer6)  A point object O is placed in front of a glass rod having spherical end of radius of curvature 30 cm. The image would be formed at
  A)
   30 cm left      
  done clear
  B)
   infinity
  done clear
  C)
   1 cm to the right
  done clear
  D)
   18 cm to the left
  done clear
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• question_answer7) A, B and C are the parallel sided transparent media of refractive indices\[{{n}_{1}}\],\[{{n}_{2}}\]and\[{{n}_{3}}\]respectively. They are arranged as shown in the figure. A ray is incident at an angle \[i\] on the surface of separation of A and B which is as shown in the figure. After the refraction into the medium B, the ray grazes the surface of separation of the madia B and C. Then, \[sin\text{ }i\]equals to
  A)
   \[\frac{{{n}_{3}}}{{{n}_{1}}}\]
  done clear
  B)
   \[\frac{{{n}_{1}}}{{{n}_{3}}}\]
  done clear
  C)
   \[\frac{{{n}_{2}}}{{{n}_{3}}}\]
  done clear
  D)
   \[\frac{{{n}_{1}}}{{{n}_{2}}}\]
  done clear
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• question_answer8) A boat has green light of wavelength \[\lambda \] = 500 nm on the mast. What wavelength would be measured and what colour would be observed for this light as seen by a diver submerged in water by the side of the boat? Given, \[{{n}_{w}}=\frac{4}{3}.\]
  A)
   Green of wavelength 376 nm
  done clear
  B)
   Red of wavelength 665 nm
  done clear
  C)
   Green of wavelength 500 nm
  done clear
  D)
   Blue of wavelength 376 nm
  done clear
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• question_answer9) Two beams of red and violet colours are made to pass separately through a prism of\[A=60{}^\circ \]. In the minimum deviation position, the angle of refraction inside the prism will be
  A)
   greater for red colour
  done clear
  B)
   equal but not \[30{}^\circ \]for both the colours
  done clear
  C)
   greater for violet colour
  done clear
  D)
   \[30{}^\circ \]for both the colours
  done clear
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• question_answer10) A plano-convex lens is made of refractive index of 1.6. The radius of curvature of the curved surface is 60 cm. The focal length of the lens is
  A)
   400 cm
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  B)
   200 cm
  done clear
  C)
   100 cm
  done clear
  D)
   50 cm
  done clear
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• question_answer11) Two  simple  harmonic  motions  are represented by \[{{y}_{1}}=5\left[ \sin 2\pi t+\sqrt{3}\cos 2\pi t \right]\] and  \[~{{\text{y}}_{\text{2}}}=\text{5 sin}\left( 2\pi t\frac{\pi }{4} \right)\] The ratio of their amplitudes is
  A)
   1 : 1            
  done clear
  B)
   2 : 1
  done clear
  C)
   1 : 3            
  done clear
  D)
   \[\sqrt{3}\]: 1
  done clear
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• question_answer12) A bat flies at a steady speed of\[4\text{ }m{{s}^{-1}}\]emitting a sound of\[f=90\times {{10}^{3}}Hz\]. It is flying horizontally towards a vertical wall. The frequency of the reflected sound as detected by the bat will be (take velocity of sound in air is\[330\text{ }m{{s}^{-1}}\])
  A)
   \[88.1\times {{10}^{3}}Hz\]
  done clear
  B)
   \[87.1\times {{10}^{3}}Hz\]
  done clear
  C)
   \[92.1\times {{10}^{3}}Hz~~~\]
  done clear
  D)
   \[89.1\times {{10}^{3}}Hz\]
  done clear
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• question_answer13) A closed organ pipe and an open organ pipe of same length produce 2 beats/second while vibrating in their fundamental modes. The length of the open organ pipe is halved and that of closed pipe is doubled. Then the number of beats produced per second while vibrating in the fundamental mode is
  A)
   2
  done clear
  B)
   6
  done clear
  C)
   8    
  done clear
  D)
   7
  done clear
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• question_answer14) A uniform wire of length L, diameter D and density p is stretched under a tension T. The correct relation between its fundamental frequency\[f\], the length L and the diameter D is
  A)
   \[f\propto \frac{1}{LD}\]
  done clear
  B)
   \[f\propto \frac{1}{L\sqrt{D}}\]
  done clear
  C)
   \[f\propto \frac{1}{{{D}^{2}}}\]
  done clear
  D)
   \[f\propto \frac{1}{L{{D}^{2}}}\]
  done clear
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• question_answer15) Two small spheres of masses \[{{M}_{1}}\]and \[{{M}_{2}}\]are suspended by weightless insulating threads of lengths \[{{L}_{1}}\]and\[{{L}_{2}}\]. The spheres carry charges \[{{Q}_{1}}\]and \[{{Q}_{2}}\]respectively. The spheres are suspended such that they are in level with one another and the threads are inclined to the vertical at angles of \[{{\theta }_{1}}\] and \[{{\theta }_{2}}\]as shown. Which one of the following conditions is essential, if \[{{\theta }_{1}}={{\theta }_{2}}\]?
  A)
   \[{{M}_{1}}\ne {{M}_{2}},but{{Q}_{1}}={{Q}_{2}}\]
  done clear
  B)
   \[{{M}_{1}}={{M}_{2}}\]
  done clear
  C)
   \[{{Q}_{1}}={{Q}_{2}}\]
  done clear
  D)
   \[{{L}_{1}}={{L}_{2}}\]
  done clear
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• question_answer16) The wavelength of the light used in Youngs double slit experiment is\[\lambda \]. The intensity at a point on the screen is\[I\], where the path difference is \[\frac{\lambda }{6}.\]. If \[{{I}_{0}}\]denotes the maximum intensity, then the ratio of \[I\]and \[{{I}_{0}}\]is
  A)
   0.866           
  done clear
  B)
   0.5
  done clear
  C)
   0.707           
  done clear
  D)
   0.75
  done clear
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• question_answer17) What is the minimum thickness of a thin film required for constructive interference in the reflected light from it? Given, the refractive index of the film = 1.5, wavelength of the light incident on the film = 600 nm.
  A)
   100 nm       
  done clear
  B)
   300 nm
  done clear
  C)
   50 nm        
  done clear
  D)
   200 nm
  done clear
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• question_answer18) There is a uniform electric field of intensity E which is as shown. How many labelled points have the same electric potential as the fully shaded point?
  A)
   2                
  done clear
  B)
   3
  done clear
  C)
   8                
  done clear
  D)
   11
  done clear
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• question_answer19) Critical angle for certain medium is\[si{{n}^{-1}}\left( 0.6 \right).\] The polarizing angle of that medium is
  A)
   \[ta{{n}^{-1}}\left[ 1.5 \right]\]
  done clear
  B)
   \[si{{n}^{-1}}\left[ 0.8 \right]\]
  done clear
  C)
  \[ta{{n}^{-1}}\left[ 1.6667 \right]\]
  done clear
  D)
   \[ta{{n}^{-1}}\left[ 0.6667 \right]\]
  done clear
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• question_answer20) The speed of electromagnetic wave in vacuum depends upon the source of radiation
  A)
   increases as we move from \[\gamma \]-rays to radio waves
  done clear
  B)
   decreases as we move from \[\gamma \]-rays to radio waves
  done clear
  C)
   is same for all of them
  done clear
  D)
   None of the above
  done clear
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• question_answer21) The moment of inertia of a circular disc of radius 2m and mass 1 kg about an axis passing through the centre of mass but perpendicular to the plane of the disc is 2 kg m2. Its moment of inertia about an axis parallel to this axis but passing through the edge of the disc is (see the given figure).
  A)
  \[8\text{ }kg\text{ }{{m}^{2}}\]       
  done clear
  B)
   \[4kg\text{ }{{m}^{2}}\]
  done clear
  C)
  \[10\text{ }kg\text{ }{{m}^{2}}\]      
  done clear
  D)
   \[6kg\text{ }{{m}^{2}}\]
  done clear
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• question_answer22) An astronaut on a strange planet finds that acceleration due to gravity is twice as that on the surface of earth. Which of the following could explain this?
  A)
   Both the mass and radius of the planet are half as that of earth
  done clear
  B)
   Radius of the planet is half as that of earth, but the mass is the same as that of earth
  done clear
  C)
   Both the mass and radius of the planet are twice as that of earth
  done clear
  D)
   Mass of the planet is half as that of earth, but radius is same as that of earth
  done clear
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• question_answer23) Which of the following substances has the highest elasticity?
  A)
   Sponge         
  done clear
  B)
   Steel
  done clear
  C)
   Rubber         
  done clear
  D)
   Copper
  done clear
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• question_answer24) Three liquids of equal masses are taken in three identical cubical vessels A, B and C. Their densities are \[{{\rho }_{A}},{{\rho }_{B}}\,and\,{{\rho }_{C}}\] respectively but\[{{\rho }_{A}}<{{\rho }_{B}}<{{\rho }_{C}}.\]. The force exerted by the liquid on the base of the cubical vessel is
  A)
   maximum in vessel C
  done clear
  B)
   minimum in vessel C
  done clear
  C)
   the same in all the vessels
  done clear
  D)
   maximum in vessel A
  done clear
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• question_answer25) Water is in streamline flows along a horizontal    pipe with non-uniform cross-section. At a point in the pipe where the area of cross-section is\[10\text{ }c{{m}^{2}}\], the velocity of water is \[1m{{s}^{-1}}\] and the pressure is 2000 Pa. The pressure at another point where the cross-sectional area is \[5\text{ }c{{m}^{2}}\]is
  A)
   4000 Pa
  done clear
  B)
   2000 Pa
  done clear
  C)
   1000 Pa
  done clear
  D)
   500 Pa
  done clear
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• question_answer26) In the circuit given here, the points A, B and C are 70 V, zero, 10 V respectively. Then
  A)
   the point D will be at a potential of 60 V
  done clear
  B)
   the point D will be at a potential of 20 V
  done clear
  C)
   currents in the paths AD, DB and DC are in the ratio of 1 : 2 : 3
  done clear
  D)
   currents in the paths AB, DB and DC are in the ratio of 3 : 2 : 1
  done clear
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• question_answer27) \[{{B}_{1}}\], \[{{B}_{2}}\]and \[{{B}_{3}}\] are the three identical bulbs connected to a battery of steady emf with key K closed. What happens to the brightness of the bulbs \[{{B}_{1}}\]and \[{{B}_{2}}\]when the key is opened?
  A)
   Brightness of the bulb \[{{B}_{1}}\]increases and that of \[{{B}_{2}}\]decreases
  done clear
  B)
   Brightness of the bulbs \[{{B}_{1}}\]and \[{{B}_{2}}\]increase
  done clear
  C)
   Brightness of the bulb \[{{B}_{1}}\]decreases and \[{{B}_{2}}\]increases
  done clear
  D)
   Brightness of the bulbs \[{{B}_{1}}\]and \[{{B}_{2}}\]decrease
  done clear
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• question_answer28) Magnetic field at the centre of a circular coil of radius R due to i flowing through it is B. The magnetic field at a point .along the axis at distance R from the centre is
  A)
   \[\frac{B}{2}\]
  done clear
  B)
   \[\frac{B}{4}\]
  done clear
  C)
   \[\frac{B}{\sqrt{8}}\]
  done clear
  D)
   \[\sqrt{8}B\]
  done clear
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• question_answer29) Two thick wires and two thin wires, all of same material and same length, form a square in three different ways P, Q and R as shown in the figure.  With correct connections shown, the magnetic field due to the current flow, at the centre of the loop will be zero in case of
  A)
   Q and R        
  done clear
  B)
   P only
  done clear
  C)
   P and Q         
  done clear
  D)
   P and R
  done clear
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• question_answer30) There is a uniform magnetic field directed perpendicular and into the plane of the paper. An irregular shaped conducting loop is slowly changing into a circular loop in the plane of the paper. Then
  A)
   current is induced in the loop in the anticlockwise direction
  done clear
  B)
   current is induced in the loop in the clockwise direction
  done clear
  C)
   AC is induced in the loop
  done clear
  D)
   no current is induced in the loop
  done clear
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• question_answer31) The dimensions of resistance are same as those of ...... where h is the Plancks constant, e is the charge.
  A)
   \[\frac{{{h}^{2}}}{{{e}^{2}}}\]
  done clear
  B)
   \[\frac{{{h}^{2}}}{e}\]
  done clear
  C)
   \[\frac{h}{{{e}^{2}}}\]
  done clear
  D)
   \[\frac{h}{e}\]
  done clear
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• question_answer32) A train is moving slowly on a straight track with a constant speed of\[2\text{ }m{{s}^{-1}}\]. A passenger in that train starts walking at a steady speed of \[2\text{ }m{{s}^{-1}}\] to the back of the train in the opposite direction of the motion of the train. So to an observer standing on the platform directly in front of that passenger, the velocity of the passenger appears to be
  A)
   \[4\text{ }m{{s}^{-1}}\]
  done clear
  B)
   \[2m{{s}^{-1}}\]
  done clear
  C)
   \[2\text{ }m{{s}^{-1}}\] in the opposite direction of the train
  done clear
  D)
   zero
  done clear
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• question_answer33) A ball rests upon a flat piece of paper on a table top. The paper is pulled horizontally but quickly towards right as shown relative to its initial position with respect to the table, the ball

  (1) remains stationary if there is no friction between the paper and the ball.

  (2) moves to the left and starts rolling backwards, .i.e., to the left if there is a friction between the paper and the ball.

  (3) moves forward, .i.e., in the direction in which the paper is pulled.

  Here, the correct statement/s is/are
  A)
   Both (1) and (2)
  done clear
  B)
   only (3)
  done clear
  C)
   only (1)
  done clear
  D)
   only (2)
  done clear
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• question_answer34) A boy throws a cricket ball from the boundary to the wicket - keeper. If the frictional force due to air cannot be ignored, the forces acting on the ball at the position X are respected by
  A)
    
  done clear
  B)
   
  done clear
  C)
    
  done clear
  D)
   
  done clear
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• question_answer35) If the linear momentum of a body is increased by 50 %, then the kinetic energy of that body increases by
  A)
   100 %         
  done clear
  B)
   125 %
  done clear
  C)
   225 %          
  done clear
  D)
   25 %
  done clear
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• question_answer36) The temperature of a gas contained in a closed vessel of constant volume increases by \[1{}^\circ C\]when the pressure of the gas is increased by 1 %. The initial temperature of the gas is
  A)
   100 K
  done clear
  B)
   \[273{}^\circ \text{ }C\]
  done clear
  C)
   \[100{}^\circ \text{ }C~\]
  done clear
  D)
   \[200\text{ }K\]
  done clear
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• question_answer37) A motorboat covers a given distance in 6 h moving downstream on a river. It covers the same distance in 10 h moving upstream. The time it takes to cover the same distance in still water is
  A)
   9 h              
  done clear
  B)
   7.5 h
  done clear
  C)
   6.5 h             
  done clear
  D)
   8 h
  done clear
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• question_answer38) Two slabs are of the thicknesses \[{{d}_{1}}\]and\[{{d}_{2}}\]. Their thermal conductivities are \[{{K}_{1}}\] and \[{{K}_{2}}\]respectively. They are in series. The free ends of the combination of these two slabs are kept at temperatures \[{{\theta }_{1}}\]and\[{{\theta }_{2}}.\] Assume \[{{\theta }_{1}}>{{\theta }_{2}}.\].The temperature 6 of their common junction is
  A)
   \[\frac{{{K}_{1}}{{\theta }_{1}}+{{K}_{2}}{{\theta }_{2}}}{{{\theta }_{1}}+{{\theta }_{2}}}\]
  done clear
  B)
   \[\frac{{{K}_{1}}{{\theta }_{1}}{{d}_{1}}+{{K}_{2}}{{\theta }_{2}}{{d}_{2}}}{{{K}_{1}}{{d}_{2}}+{{K}_{2}}{{d}_{1}}}\]
  done clear
  C)
   \[\frac{{{K}_{1}}{{\theta }_{1}}{{d}_{2}}+{{K}_{2}}{{\theta }_{2}}{{d}_{1}}}{{{K}_{1}}{{d}_{2}}+{{K}_{2}}{{d}_{1}}}\]
  done clear
  D)
   \[\frac{{{K}_{1}}{{\theta }_{1}}+{{K}_{2}}{{\theta }_{2}}}{{{K}_{1}}+{{K}_{2}}}\]
  done clear
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• question_answer39)    Hot water cools from \[60{}^\circ C\] to \[50{}^\circ C\]in the first 10 min and to \[42{}^\circ C\]in the next 10 min. Then the temperature of the surroundings is
  A)
   \[20{}^\circ \text{ }C\]
  done clear
  B)
   \[30{}^\circ C\]
  done clear
  C)
   \[15{}^\circ C\]
  done clear
  D)
   \[10{}^\circ C\]
  done clear
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• question_answer40) The efficiency of Carnots heat engine is 0.5 when the temperature of the source is \[{{T}_{1}}\] and that of sink is\[{{T}_{2}}\]. The efficiency of another Carnots heat engine is also 0.5. The temperatures of source and sink of the second engine are respectively
  A)
   \[2{{T}_{1}},2{{T}_{2}}\]
  done clear
  B)
   \[2{{T}_{1}},\frac{{{T}_{2}}}{2}\]
  done clear
  C)
   \[{{T}_{1}},5,{{T}_{2}},{{T}_{2}}-5\]
  done clear
  D)
   \[{{T}_{1}}+10,{{T}_{2}}-10\]
  done clear
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• question_answer41) A current \[i\] is flowing through the loop. The direction of the current and the shape of the loop are as shown in the figure. The magnetic field at the centre of the loop is \[\frac{{{\mu }_{0}}i}{R}\] times  (\[MA=R\], \[MB=2R\],\[\angle DMA=90{}^\circ \])
  A)
   \[\frac{5}{16},\]but out of the plane of the paper
  done clear
  B)
   \[\frac{5}{16},\]but into the plane of the paper
  done clear
  C)
   \[\frac{7}{16},\]but out of the plane of the paper
  done clear
  D)
   \[\frac{7}{16},\]but into the plane of the paper
  done clear
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• question_answer42) An ideal choke draws a current of 8 A when connected to an AC supply of 100 V, 50 Hz. A pure resistor draws a current of 10 A when connected to the same source. The ideal choke and the resistor are connected in series and then connected to the AC source of 150 V, 40 Hz. The current in the circuit becomes
  A)
   \[\frac{15}{\sqrt{2}}A\]
  done clear
  B)
   \[8A\]
  done clear
  C)
   18 A           
  done clear
  D)
   10 A
  done clear
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• question_answer43) The spectrum of an oil flame is an example for
  A)
   line emission spectrum
  done clear
  B)
   continuous emission spectrum
  done clear
  C)
   line absorption spectrum
  done clear
  D)
   band emission spectrum
  done clear
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• question_answer44) According to Einsteins photoelectric equation, the graph of KE of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope
  A)
   depends on the intensity of the incident radiation
  done clear
  B)
   depends on the nature of the metal and also on the intensity of incident radiation
  done clear
  C)
   is same for all metals and independent of the intensity of the incident radiation
  done clear
  D)
   depends on the nature of the metal
  done clear
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• question_answer45) An electron is moving in an orbit of a hydrogen atom from which there can be a maximum of six transition. An electron is moving in an orbit of another hydrogen atom from which there can be a maximum of three transition. The ratio of the velocities of the electron in these two orbits is
  A)
   \[\frac{1}{2}\]
  done clear
  B)
   \[\frac{2}{1}\]
  done clear
  C)
   \[\frac{5}{4}\]
  done clear
  D)
   \[\frac{3}{4}\]
  done clear
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• question_answer46)  \[{{v}_{1}}\]is the frequency of the series limit of Lyman series, \[{{v}_{2}}\]is the frequency of the first line of Lyman series and \[{{v}_{3}}\]is the frequency of the series limit of the Balmer series. Then
  A)
   \[{{v}_{1}}-{{v}_{2}}={{v}_{3}}\]
  done clear
  B)
   \[{{v}_{1}}={{v}_{2}}-{{v}_{3}}\]
  done clear
  C)
   \[\frac{1}{{{v}_{2}}}=\frac{1}{{{v}_{1}}}+\frac{1}{{{v}_{3}}}\]
  done clear
  D)
   \[\frac{1}{{{v}_{1}}}=\frac{1}{{{v}_{1}}}+\frac{1}{{{v}_{3}}}\]
  done clear
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• question_answer47) Assume the graph of specific binding energy versus mass number is as shown in the figure. Using this graph, select the correct choice from the following.
  A)
   Fusion of two nuclei of mass number lying in the range of 100<A<200 will release energy
  done clear
  B)
   Fusion of two nuclei of mass number lying in the range of 51<A<100 will release energy
  done clear
  C)
   Fusion of two nuclei of mass number lying in the range of 1<A<50 will release energy
  done clear
  D)
   Fission of the nucleus of mass number lying in the rang of 100<A<200 will release energy when broken into two fragments
  done clear
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• question_answer48) Pick out the correct statement from the following.
  A)
   Energy released per unit mass of the reactant is less in case of fusion reaction
  done clear
  B)
   Packing fraction may be positive or may be negative
  done clear
  C)
   \[P{{u}^{239}}\]is not suitable for a fission reaction
  done clear
  D)
   For stable nucleus, the specific binding energy is low
  done clear
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• question_answer49) A radioactive sample \[{{S}_{1}}\] having the activity\[{{A}_{1}}\]has twice the number of nuclei as another sample \[{{S}_{2}}\]of activity\[{{A}_{2}}\]. If\[{{A}_{2}}=\text{ }2{{A}_{1}}\], then the ratio of half-life of \[{{S}_{1}}\]to the half-life of \[{{S}_{2}}\]is
  A)
   4               
  done clear
  B)
   2
  done clear
  C)
   0.25            
  done clear
  D)
   0.75
  done clear
  View Answer play_arrow

• question_answer50) When a neutron is disintegrated to give a \[\beta \]-particle,
  A)
   a neutrino alone is emitted
  done clear
  B)
   a proton and neutrino are emitted
  done clear
  C)
   a proton alone is emitted
  done clear
  D)
   a proton and an antineutrino are emitted
  done clear
  View Answer play_arrow

• question_answer51) The forbidden energy gap in Ge is 0.72 eV, Given, he = 12400 eV-\[{{A}^{o}}\]. The maximum wavelength of radiation that will generate electron hole pair is
  A)
  \[172220\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  B)
  \[172.2\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
  \[17222\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  D)
  \[1722\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer52) In p-n junction diode not connected to any circuit
  A)
   the potential is the same everywhere
  done clear
  B)
   the p-type side has a higher potential than the n-type side
  done clear
  C)
   there is an electric field at the junction directed from the n-type side to p-type side
  done clear
  D)
   there is an electric field at the junction directed from the p-type side to n-type side
  done clear
  View Answer play_arrow

• question_answer53) In a given direction, the intensities of the scattered light by a scattering substance for two beams of light are in the ratio of 256 : 81. The ratio of the frequency of the first beam to the frequency of the second beam is
  A)
   64 : 127        
  done clear
  B)
   1 : 2
  done clear
  C)
   64 : 27          
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer54) Identify the logic operation performed by the circuit given here.
  A)
   OR          
  done clear
  B)
   NOR
  done clear
  C)
   NOT         
  done clear
  D)
   NAND
  done clear
  View Answer play_arrow

• question_answer55) The de-Broglie wavelength of the electron in the ground state of the hydrogen atom is...... (radius of the first orbit of hydrogen atom =0.53\[{{A}^{o}}\]).
  A)
   \[1.67\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  B)
  \[3.33\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  C)
  \[1.06\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  D)
  \[0.53\overset{\text{o}}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer56) PQ and RS are long parallel conductors   separated   by certain distance. M is the midpoint between them (see the figure). The net magnetic field at M is B. Now, the current 2 A is switched off. The field at M now becomes
  A)
   2B             
  done clear
  B)
   B
  done clear
  C)
   \[\frac{B}{2}\]
  done clear
  D)
   3B
  done clear
  View Answer play_arrow

• question_answer57) An electron enters the space between the plates of a charged capacitor as shown. The charge density on the plate is\[\sigma \]. Electric intensity in the space between the plates is E. A uniform magnetic field B also exists in the space perpendicular to the direction of E. The electron moves perpendicular to both \[\overset{\to }{\mathop{\mathbf{E}}}\,\]and \[\overset{\to }{\mathop{\mathbf{B}}}\,\]without any change in direction. The time taken by the electron to travel a distance I in the space is
  A)
   \[\frac{\sigma l}{{{\varepsilon }_{0}}B}\]
  done clear
  B)
   \[\frac{\sigma B}{{{\varepsilon }_{0}}l}\]
  done clear
  C)
   \[\frac{{{\varepsilon }_{0}}lB}{\sigma }\]
  done clear
  D)
   \[\frac{{{\varepsilon }_{0}}l}{\sigma B}\]
  done clear
  View Answer play_arrow

• question_answer58) In a series resonant R-L-C circuit, the voltage across R is 100 V and the value of \[R=1000\,\Omega \]. The capacitance of the capacitor is\[2\times {{10}^{-6}}F\]; angular frequency of AC is 200 rad\[{{s}^{-1}}\]. Then the potential difference across the inductance coil is
  A)
   100 V          
  done clear
  B)
   40 V
  done clear
  C)
   250 V          
  done clear
  D)
   400 V
  done clear
  View Answer play_arrow

• question_answer59) A capacitor and an inductance coil are connected in separate AC circuits with a bulb glowing in both the circuits. The bulb glows more brightly when
  A)
   an iron rod is introduced into the inductance coil
  done clear
  B)
   the number of turns in the inductance coil is increased
  done clear
  C)
   separation between the plates of the capacitor is increased
  done clear
  D)
   a dielectric is introduced into the gap between the plates of the capacitor
  done clear
  View Answer play_arrow

• question_answer60) A charge \[+Q\] is moving upwards vertically. It enters a magnetic field directed to north. The force on the charge will be towards
  A)
   north           
  done clear
  B)
   south
  done clear
  C)
   east            
  done clear
  D)
   west
  done clear
  View Answer play_arrow

• question_answer61) In the electrolytic refining of zinc
  A)
   graphite is at the anode
  done clear
  B)
   the impure metal is at the cathode
  done clear
  C)
   the metal ion get reduced at the anode
  done clear
  D)
   acidified zinc sulphate is the electrolyte
  done clear
  View Answer play_arrow

• question_answer62) The wave number of the spectral line in the emission spectrum of hydrogen will be equal to \[\frac{8}{9}\] times the Rydbergs constant if the electron jumps from
  A)
   \[n=3\] to \[n=1\] 
  done clear
  B)
   \[n=10\] to \[n=1\]
  done clear
  C)
   \[n=9\] to \[n=1\]
  done clear
  D)
   \[n=2\] to \[n=1\]
  done clear
  View Answer play_arrow

• question_answer63) Consider the following gaseous equilibria with   equilibrium  constants  \[{{K}_{1}}\] and \[{{K}_{2}}\] respectively. \[S{{O}_{2}}(g)+\frac{1}{2}{{O}_{2}}(g)S{{O}_{3}}(g)\] \[2S{{O}_{3}}(g)2S{{O}_{2}}(g)+{{O}_{2}}(g)\] The equilibrium constants are related as
  A)
   \[K_{1}^{2}=\frac{1}{{{K}_{2}}}\]
  done clear
  B)
   \[2{{K}_{1}}=K_{2}^{2}\]
  done clear
  C)
   \[{{K}_{2}}=\frac{2}{K_{1}^{2}}\]
  done clear
  D)
   \[K_{2}^{2}=\frac{1}{{{K}_{1}}}\]
  done clear
  View Answer play_arrow

• question_answer64) Enthalpy of vaporization of benzene is \[+35.3kJ\,mo{{l}^{-1}}\]at its boiling point,\[{{80}^{o}}C\]. The entropy change  in the transition of the vapour to liquid at its boiling point in \[[J{{K}^{-1}}\,mo{{l}^{-1}}]\] is
  A)
   \[-441~\]       
  done clear
  B)
   \[-100\]
  done clear
  C)
   \[+441\]
  done clear
  D)
   \[+100\]
  done clear
  View Answer play_arrow

• question_answer65) Which one of the following conversions involve change in both hybridisation and shape?
  A)
   \[+3,+2\]
  done clear
  B)
   \[+3,+6\]
  done clear
  C)
   \[+2,+6\]
  done clear
  D)
   \[+2,+3\]
  done clear
  View Answer play_arrow

• question_answer66) In chromite ore, the oxidation number of iron, and chromium are respectively
  A)
   \[+3,+2\]
  done clear
  B)
   \[+3,+6\]
  done clear
  C)
   \[\,+2,+6\]
  done clear
  D)
   \[+2,+3\]
  done clear
  View Answer play_arrow

• question_answer67) For the reversible reaction. \[A(s)+B(g)C(g)+D(g);\] \[\Delta {{G}^{o}}=-350kJ\] Which one of the following statements is true?
  A)
   The entropy change is negative
  done clear
  B)
   Equilibrium constant is greater than one
  done clear
  C)
   The reaction should be instantaneous
  done clear
  D)
   The reaction is thermodynamically not feasible
  done clear
  View Answer play_arrow

• question_answer68) Out of the compounds below the vapour pressure of  at a particular temperature is
  A)
   higher than that of [A]                     
  done clear
  B)
   lower than that of [A]                     
  done clear
  C)
   higher or lower than [A] , depending on the size of the vessel
  done clear
  D)
   same as that of [A]
  done clear
  View Answer play_arrow

• question_answer69) The amount of heat evolved when \[500\text{ }c{{m}^{3}}\] of \[0.1M\text{ }HCl\]is mixed with \[200\text{ }c{{m}^{3}}\]of \[0.2M\] \[NaOH\] is
  A)
   \[2.292kJ\]
  done clear
  B)
   \[1.292kJ\]
  done clear
  C)
   \[0.292\text{ }kJ\]
  done clear
  D)
   \[3.392\text{ }kJ\]
  done clear
  View Answer play_arrow

• question_answer70) During the adsorption of krypton on activated charcoal at low temperature
  A)
    \[\Delta H>0\]and \[\Delta S<0\]
  done clear
  B)
    \[\Delta H<0\]and \[\Delta S<0\]
  done clear
  C)
    \[\Delta H>0\]and \[\Delta S<0\]
  done clear
  D)
   \[\Delta H<0\] and \[\Delta S<0\]
  done clear
  View Answer play_arrow

• question_answer71) The set of quantum numbers for the outermost electron for copper in its ground state is
  A)
   \[4,1,1,+\frac{1}{2}\]      
  done clear
  B)
   \[3,2,2,+\frac{1}{2}\]
  done clear
  C)
   \[4,0,0,+\frac{1}{2}\]    
  done clear
  D)
   \[4,2,2,+\frac{1}{2}\]
  done clear
  View Answer play_arrow

• question_answer72) Peroxide ion......

  (i) has five completely filled antibonding molecular orbitals

  (ii) is diamagnetic

  (iii) has bond order one

  (iv) is isoelectronic with neon

  Which one of these is correct?
  A)
   (ii) and (iii)     
  done clear
  B)
   (i), (ii) and (iv)
  done clear
  C)
   (i), (ii) and (iii)  
  done clear
  D)
   (i) and (iv)
  done clear
  View Answer play_arrow

• question_answer73) Which one of these is not true for benzene?
  A)
   It   forms   only   one   type   of monosubstituted product
  done clear
  B)
   There are three carbon-carbon single bonds and three carbon-carbon double bonds
  done clear
  C)
   The heat of hydrogenation of benzene is less than the theoretical value
  done clear
  D)
   The   bond   angle   between   the carbon-carbon bonds is \[{{120}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer74) A mixture of \[CaC{{l}_{2}}\] and \[NaCl\] weighing \[4.44g\] is treated with sodium carbonate solution to precipitate all the \[C{{a}^{2+}}\] ions as calcium carbonate. The calcium carbonate so obtained is heated strongly to get \[0.56g\]of \[CaO\]. The percentage of \[NaCl\] in the mixture (atomic mass of \[C=40\]) is
  A)
   \[75\]             
  done clear
  B)
   \[30.6\]
  done clear
  C)
   \[25\]             
  done clear
  D)
   \[69.4\]
  done clear
  View Answer play_arrow

• question_answer75) For one mole of an ideal gas, increasing the temperature from \[{{10}^{o}}C\] to \[{{20}^{o}}C\]
  A)
   increases the average kinetic energy by two times                           
  done clear
  B)
   increases the rms velocity by \[\sqrt{2}\] times
  done clear
  C)
   increases the rms velocity by two times
  done clear
  D)
   increases both the average kinetic energy and rms velocity, but tiot significantly
  done clear
  View Answer play_arrow

• question_answer76) generally, the first ionization energy increases along a period. But there are some exceptions. One which is not an exceptfon is
  A)
   \[N\] and \[0\]       
  done clear
  B)
   \[Na\] and \[Mg\]
  done clear
  C)
   \[Mg\] and \[Al\]     
  done clear
  D)
   \[Be\] and \[B\]
  done clear
  View Answer play_arrow

• question_answer77) \[50c{{m}^{3}}\]of \[0.2N\text{ }HCl\]is titrated against \[0.1N\] \[NaOH\] solution. The titration is discontinued after adding \[50c{{m}^{3}}\]of\[NaOH\]. The remaining titration is completed by adding \[0.5N\text{ }KOH\]. The volume of KOH required for completing the titration is
  A)
   \[12c{{m}^{3}}\]     
  done clear
  B)
   \[10c{{m}^{3}}\]
  done clear
  C)
   \[25c{{m}^{3}}\]        
  done clear
  D)
   \[10.5c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer78) In which one of the following, does the given amount of chlorine exert the least pressure in a vessel of capacity \[1d{{m}^{3}}\]at 273 K?
  A)
   \[0.0355g\]
  done clear
  B)
   \[0.071g\]
  done clear
  C)
   \[6.023\times {{10}^{21}}\]Molecules
  done clear
  D)
   \[0.02mol\]
  done clear
  View Answer play_arrow

• question_answer79) Based on the first law of thermodynamics, which one of the following is correct?
  A)
   For an isochoric process \[=\Delta E=-q\]
  done clear
  B)
   For an adiabatic process \[=\Delta E=-w\]
  done clear
  C)
   For an isothermal process \[=q=+w\]
  done clear
  D)
   For a cyclic process \[q=-w\]
  done clear
  View Answer play_arrow

• question_answer80) For alkali metals, which one of the following trends is incorrect?
  A)
   Hydration energy: \[Li>Na>K>Rb\]
  done clear
  B)
   Ionization energy: \[Li>Na>K>Rb\]
  done clear
  C)
   Density: \[Li<Na<K<Rb\]
  done clear
  D)
   Atomic size: \[Li<Na<K<Rb\]
  done clear
  View Answer play_arrow

• question_answer81) \[1g\]of silver gets distributed between \[10c{{m}^{3}}\] of molten zinc and \[100c{{m}^{3}}\]of molten lead at\[{{800}^{o}}C\]. The percentage of silver in the zinc layer is approximately
  A)
   \[89\]             
  done clear
  B)
   \[91\]
  done clear
  C)
   \[97\]             
  done clear
  D)
   \[94\]
  done clear
  View Answer play_arrow

• question_answer82) One mole of an organic compound A with the formula \[{{C}_{3}}{{H}_{8}}O\] reacts completely with two moles of HI to form X and V. When Y is boiled with aqueous alkali it forms Z.Z answers the iodoform test. The compound A is
  A)
   propan-2-ol     
  done clear
  B)
   propan-1-ol
  done clear
  C)
   ethoxyethane   
  done clear
  D)
   methoxyethane
  done clear
  View Answer play_arrow

• question_answer83) The IUPAC name of \[{{K}_{2}}[Ni{{(CN)}_{4}}]\]is
  A)
   potassium tetracyanonickelate (II)
  done clear
  B)
   potassium tetracyanatonickelate (III)
  done clear
  C)
   potassium tetracyanatonickel (II)
  done clear
  D)
   potassium tetracyanonickel (III)
  done clear
  View Answer play_arrow

• question_answer84) The spin only magnetic moment of \[M{{n}^{4+}}\] ion is nearly
  A)
   \[3BM\]         
  done clear
  B)
   \[6BM\]
  done clear
  C)
   \[4BM\]         
  done clear
  D)
   \[5BM\]
  done clear
  View Answer play_arrow

• question_answer85) In Kjeldahls method, ammonia from \[5g\]of food neutralizes \[30c{{m}^{3}}\]of \[0.1N\]acid. The percentage of nitrogen in the food is
  A)
   \[0.84\]           
  done clear
  B)
   \[8.4\]
  done clear
  C)
   \[16.8\]            
  done clear
  D)
   \[1.68\]
  done clear
  View Answer play_arrow

• question_answer86) Carbon can reduce ferric oxide to iron at a temperature above 983 K because
  A)
   carbon    monoxide    formed    is thermodynamically less stable than ferric oxide
  done clear
  B)
   carbon has a higher affinity towards oxidation than iron
  done clear
  C)
   free energy change for the formation of carbon dioxide is less negative than that for ferric oxide
  done clear
  D)
   iron has a higher affinity towards oxygen than carbon
  done clear
  View Answer play_arrow

• question_answer87) An oxygen containing organic compound upon oxidation forms a carboxylic acid as the only organic product with its molecular mass higher by 14 units. The organic compound is
  A)
   an aldehyde
  done clear
  B)
   a primary alcohol
  done clear
  C)
   a secondary alcohol
  done clear
  D)
   a ketone
  done clear
  View Answer play_arrow

• question_answer88) The compound obtained when acetaldehyde reacts with dilute aqueous sodium hydroxide exhibits
  A)
   geometrical isomerism
  done clear
  B)
   optical isomerism
  done clear
  C)
   neither   optical   nor   geometrical isomerism
  done clear
  D)
   both optical and geometrical isomerism
  done clear
  View Answer play_arrow

• question_answer89) The activation energy for a reaction at the temperature T K was found to be 2.303 RT \[Jmo{{l}^{-1}}\]. The ratio of the rate constant to Arrhenius factor is
  A)
   \[{{10}^{-1}}\]            
  done clear
  B)
  \[~{{10}^{-2}}\]
  done clear
  C)
   \[2\times {{10}^{-3}}\]
  done clear
  D)
   \[2\times {{10}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer90) A dibromo derivative of an alkane reacts with sodium metal to form an alicyclic hydrocarbon. The derivative is
  A)
   1, 1-dibromopropane
  done clear
  B)
   2, 2-dibromobutane
  done clear
  C)
   1, 2-dibromoethane
  done clear
  D)
   1, 4-dibromobutane
  done clear
  View Answer play_arrow

• question_answer91) Time required for 100 per cent completion of a zero order reaction is
  A)
   \[\frac{2k}{a}\]
  done clear
  B)
   \[\frac{a}{2k}\]
  done clear
  C)
   \[\frac{a}{k}\]
  done clear
  D)
   \[ak\]
  done clear
  View Answer play_arrow

• question_answer92) \[0.023g\]of sodium metal is reacted with \[100c{{m}^{3}}\]of water. The pH of the resulting solution is
  A)
   \[10\]              
  done clear
  B)
   \[11\]
  done clear
  C)
   \[9\]               
  done clear
  D)
   \[12\]
  done clear
  View Answer play_arrow

• question_answer93) Which one of the following is wrongly matched?
  A)
   \[{{[Cu{{(N{{H}_{3}})}_{4}}]}^{2+}}\]- Square planar
  done clear
  B)
   \[[Ni{{(CO)}_{4}}]\]       - Neutral ligand
  done clear
  C)
   \[[Fe{{(C{{N}_{6}})}^{3-}}]\]     - \[s{{p}^{3}}{{d}^{2}}\]
  done clear
  D)
   \[{{[Co{{(en)}_{3}}]}^{3+}}\]      - Follows EAN rule
  done clear
  View Answer play_arrow

• question_answer94) Which one of the following conformations of cyclohexane is the least stable?
  A)
   Half-chair      
  done clear
  B)
   Boat
  done clear
  C)
   Twisted-boat    
  done clear
  D)
   Chair
  done clear
  View Answer play_arrow

• question_answer95) Which one of the following is a molecular crystal?
  A)
   Rock salt       
  done clear
  B)
   Quartz
  done clear
  C)
   Dry ice         
  done clear
  D)
   Diamond
  done clear
  View Answer play_arrow

• question_answer96) A buffer solution contains \[0.1mole\]of sodium acetate in \[1000c{{m}^{3}}\]of \[0.1M\]acetic acid. To the above buffer solution, \[0.1mole\] of sodium acetate is further added and dissolved. The pH of the resulting buffer is equal to
  A)
   \[p{{K}_{a}}-\log 2\]
  done clear
  B)
   \[p{{K}_{a}}\]
  done clear
  C)
   \[p{{K}_{a}}+2\]       
  done clear
  D)
   \[p{{K}_{a}}+\log 2\]
  done clear
  View Answer play_arrow

• question_answer97) Which one of the following has the most nucleophilic nitrogen?
  A)
              
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer98) Chloroacetic acid is a stronger acid than acetic acid. This can be explained using
  A)
   \[-M\] effect       
  done clear
  B)
    \[-I\]effect
  done clear
  C)
   \[+M\] effect      
  done clear
  D)
   \[+I\] effect
  done clear
  View Answer play_arrow

• question_answer99) The correct sequence of reactions to convert p-nitrophenol into quinol involves
  A)
   reduction, diazotization and hydrolysis
  done clear
  B)
   hydrolysis, diazotization and reduction
  done clear
  C)
   hydrolysis, reduction and diazotization
  done clear
  D)
   diazotization, reduction and hydrolysis
  done clear
  View Answer play_arrow

• question_answer100) \[C{{H}_{3}}C{{H}_{2}}Br\xrightarrow[\Delta ]{aq.\,KOH}A\xrightarrow[\Delta ]{KMn{{O}_{4}}/{{H}^{+}}}\] \[B\xrightarrow[\Delta ]{N{{H}_{3}}}C\xrightarrow[alkali]{B{{r}_{2}}}D;\] D is       
  A)
  \[C{{H}_{3}}Br\]     
  done clear
  B)
   \[C{{H}_{3}}CON{{H}_{2}}\]
  done clear
  C)
   \[C{{H}_{3}}N{{H}_{2}}\]
  done clear
  D)
   \[C{{H}_{3}}B{{r}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer101) The letter D in D-glucose signifies
  A)
   configuration at all chiral carbons
  done clear
  B)
   dextrorotatory
  done clear
  C)
   that it is a monosaccharide
  done clear
  D)
   configuration at a particular chiral carbon
  done clear
  View Answer play_arrow

• question_answer102) Reaction of methyl bromide with aqueous sodium hydroxide involves
  A)
   racemisation
  done clear
  B)
   \[{{S}_{N}}1\] mechanism
  done clear
  C)
   retention of configuration
  done clear
  D)
   \[{{S}_{N}}2\] mechanism
  done clear
  View Answer play_arrow

• question_answer103) 9.65 C of electric current is passed through fused anhydrous magnesium chloride. The magnesium  metal  thus,  obtained  is completely converted into a Grignard reagent. The number of moles of the Grignard reagent obtained is
  A)
   \[5\times {{10}^{-4}}\]
  done clear
  B)
   \[1\times {{10}^{-4}}\]
  done clear
  C)
   \[5\times {{10}^{-5}}\]        
  done clear
  D)
   \[1\times {{10}^{-5}}\]
  done clear
  View Answer play_arrow

• question_answer104) Which one of the following does not involve coagulation?
  A)
   Formation of delta regions
  done clear
  B)
   Peptization
  done clear
  C)
   Treatment of drinking water by potash alum
  done clear
  D)
   Clotting of blood by the use of ferric chloride
  done clear
  View Answer play_arrow

• question_answer105) In   alkaline   medium,   alanine   exists predominantly as
  A)
   anion           
  done clear
  B)
   Zwitterion
  done clear
  C)
   cation          
  done clear
  D)
   covalent form
  done clear
  View Answer play_arrow

• question_answer106) The standard emf of galvanic cell involving 3 moles of electrons in its redox reaction is 0.59 V. The equilibrium constant for the reaction of the cell is
  A)
   \[{{10}^{25}}\]            
  done clear
  B)
   \[{{10}^{20}}\]
  done clear
  C)
   \[{{10}^{15}}\]            
  done clear
  D)
   \[{{10}^{30}}\]
  done clear
  View Answer play_arrow

• question_answer107) Benzaldehyde and acetone can be best distinguished using
  A)
   Fehlings solution
  done clear
  B)
   Sodium hydroxide solution
  done clear
  C)
   2,4-DNP
  done clear
  D)
   Tollens reagent
  done clear
  View Answer play_arrow

• question_answer108) Which one of the following statements is true?
  A)
   Saponification of oil yields a diol
  done clear
  B)
   Drying of oil involves hydrolysis
  done clear
  C)
   Addition of antioxidant to oil minimizes rancidity
  done clear
  D)
   Refining of oil involves hydrogenation
  done clear
  View Answer play_arrow

• question_answer109) The following data is obtained during the first order thermal decomposition of \[2A(g)\xrightarrow{{}}B(g)+C(s)\] at constant volume and temperature

  S. No.	Time	Total pressure in pascal
  1.	At the end of 10 min	300
  2.	After completion	200

  The rate constant in min1 is
  A)
   \[0.0693\]
  done clear
  B)
   \[6.93\]
  done clear
  C)
   \[0.00693\]
  done clear
  D)
   \[69.3\]
  done clear
  View Answer play_arrow

• question_answer110) Phenol \[\xrightarrow{X}\] forms a tribromo derivative. X^ is
  A)
   bromine in benzene
  done clear
  B)
   bromine in water
  done clear
  C)
   potassium bromide solution
  done clear
  D)
   bromine in carbon tetrachloride at \[{{0}^{o}}C\]
  done clear
  View Answer play_arrow

• question_answer111) The correct sequence of steps involved in the mechanism of Cannizaros reaction is
  A)
   nucleophilic attack, transfer of \[{{H}^{-}}\] and transfer of \[{{H}^{+}}\]
  done clear
  B)
   transfer of \[{{H}^{-}}\], transfer of \[{{H}^{+}}\]   and nucleophilic attack
  done clear
  C)
   transfer if \[{{H}^{+}}\] nucleophilic attack and transfer of \[{{H}^{-}}\]
  done clear
  D)
   electrophilic attack by \[O{{H}^{-}}\], transfer of \[{{H}^{+}}\] and transfer of \[{{H}^{-}}\]
  done clear
  View Answer play_arrow

• question_answer112) Which one of the following is an example for homogeneous catalysis?
  A)
   Manufacture of sulphuric acid by Contact process
  done clear
  B)
   Manufacture of ammonia by Habefs process
  done clear
  C)
   Hydrolysis of sucrose in presence of dilute hydrochloric acid
  done clear
  D)
   Hydrogenation of oil
  done clear
  View Answer play_arrow

• question_answer113) The empirical formula of a non-electrolyte is\[C{{H}_{2}}O\]. A solution containing \[6g\]of the compound exerts the same osmotic pressure as that of \[0.05M\]glucose solution at the same temperature. The molecular formula of the compound is
  A)
   \[{{C}_{2}}{{H}_{4}}{{O}_{2}}\]  
  done clear
  B)
   \[{{C}_{3}}{{H}_{6}}{{O}_{3}}\]
  done clear
  C)
   \[{{C}_{5}}{{H}_{10}}{{O}_{5}}\]     
  done clear
  D)
   \[{{C}_{4}}{{H}_{8}}{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer114) A white crystalline salt A reacts with dilute \[HCl\] to liberate a suffocating gas B and also forms a yellow precipitate. The gas B turns potassium dichromate acidified with dilute \[{{H}_{2}}S{{O}_{4}}\] to a green coloured solution C. A, B and C are respectively
  A)
   \[N{{a}_{2}}S{{O}_{3}},S{{O}_{2}},\,C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  B)
   \[N{{a}_{2}}{{S}_{2}}{{O}_{3}},S{{O}_{2}},C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  C)
   \[N{{a}_{2}}S,S{{O}_{2}},C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  D)
   \[N{{a}_{2}}S{{O}_{4}},S{{O}_{2}},C{{r}_{2}}{{(S{{O}_{4}})}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer115) Molecules of a noble gas do not possess vibratiorial energy because a noble gas
  A)
   is monoatomic
  done clear
  B)
   is chemically inert
  done clear
  C)
   has completely filled shells
  done clear
  D)
   is diamagnetic
  done clear
  View Answer play_arrow

• question_answer116) \[1d{{m}^{3}}\]solution containing \[{{10}^{-5}}\] moles each of \[C{{l}^{-}}\] ions and \[CrO_{4}^{2-}\] ions is treated with \[{{10}^{-4}}\] moles of silver nitrate. Which one of the following observations is made? \[[{{K}_{sp}}A{{g}_{2}}Cr{{O}_{4}}=4\times {{10}^{-12}}]\] \[[{{K}_{sp}}AgCl=1\times {{10}^{-10}}]\]
  A)
   Precipitation does not occur
  done clear
  B)
   Silver chromate gets precipitated first
  done clear
  C)
   Silver chloride gets precipitated first
  done clear
  D)
   Both silver chromate and silver chloride start precipitating simultaneously
  done clear
  View Answer play_arrow

• question_answer117) pH value of which one of the following is not equal to one?
  A)
   \[0.1M\,HN{{O}_{3}}\]
  done clear
  B)
   \[0.05M\,{{H}_{2}}S{{O}_{4}}\]
  done clear
  C)
   \[0.1M\,C{{H}_{3}}COOH\]
  done clear
  D)
   \[50c{{m}^{3}}\,\,of\,0.4M\] \[HCl+50c{{m}^{3}}\] of  \[0.2M\,NaOH\]
  done clear
  View Answer play_arrow

• question_answer118) \[{{E}_{1}},{{E}_{2}},{{E}_{3}}\]are the emf values of the three galvanic cells respectively. (i) \[Zn|Zn_{1M}^{2+}||Cu_{0.1M}^{2+}|Cu\] (ii) \[Zn|Zn_{1M}^{2+}||Cu_{1M}^{2+}|Cu\] (iii) \[Zn|Zn_{0.1M}^{2+}||Cu_{1M}^{2+}|Cu\] Which one of the following is true?
  A)
   \[{{E}_{2}}>{{E}_{3}}>{{E}_{1}}\]
  done clear
  B)
   \[{{E}_{3}}>{{E}_{2}}>{{E}_{1}}\]
  done clear
  C)
   \[{{E}_{1}}>{{E}_{2}}>{{E}_{3}}\]
  done clear
  D)
   \[{{E}_{1}}>{{E}_{3}}>{{E}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer119) The IUPAC name of \[CHO\]is
  A)
   2-methyl-3-bromohexanal
  done clear
  B)
   3-bromo-2-methylbutanal
  done clear
  C)
   2-methyl-3-bromobutanal
  done clear
  D)
   S-bromo-2-methylpentanal
  done clear
  View Answer play_arrow

• question_answer120) Which one of the following forms propane nitrile as the major product?
  A)
   Ethyl bromide + alcoholic \[KCN\]
  done clear
  B)
   Propyl bromide + alcoholic \[KCN\]
  done clear
  C)
   Propyl bromide + alcoholic \[AgCN\]
  done clear
  D)
   Ethyl bromide + alcoholic \[AgCN\]
  done clear
  View Answer play_arrow

• question_answer121) Which one of the following is a unicellular, non-motile desmid?
  A)
   Chromatium
  done clear
  B)
   Cosmarium
  done clear
  C)
   Chlorobium
  done clear
  D)
   Clostridium
  done clear
  View Answer play_arrow

• question_answer122) Some of the steps involved in the production of humulin are given below. Choose the correct sequence.

  I. Synthesis of gene (DNA) for human insulin artificially

  II. Culturing recombinant E. coli in bioreactors

  III. Purification of humulin

  IV. Insertion of human insulin gene into plasmid

  V. Introduction of recombinant plasmid into E. coli

  VI. Extraction of recombinant gene product from E. coli

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

• question_answer123) Cockroaches can climb smooth or steep surfaces due to the presence of adhesive pads found on the torses of their legs. They are called
  A)
   pretarsus
  done clear
  B)
   arolium
  done clear
  C)
   plantulae
  done clear
  D)
   tibia
  done clear
  View Answer play_arrow

• question_answer124) Gastrula has a pore which is known as
  A)
   zoospore
  done clear
  B)
   oospore
  done clear
  C)
   blastopore
  done clear
  D)
   gonophores
  done clear
  View Answer play_arrow

• question_answer125) The diagram of Labeo rohita is given below. Identify the parts labelled A, B, C, D, E, F, G.
  A)
   A-Nostril, B-Eye, C-Dorsal fin, D-Caudal fin, E-Anal fin, F-Pelvic fin, G-Pectoral fin
  done clear
  B)
   A-Nostril, B-Eye, C-Dorsal fin, D-Caudal fin, E-Pectoral fin, F-Anal fin, G-Pelvic fin,
  done clear
  C)
   A-Nostril, B-Eye, C-Dorsal fin, D-Anal fin, E-Caudal fin, F- Pectroral fin, G-Pelvic fin
  done clear
  D)
   A-Nostril, B-Eye, C-Anal fin, D-Caudal fin, E-Dorsal fin, F-Pectoral fin, G-Pelvic fin
  done clear
  View Answer play_arrow

• question_answer126) Identify the pair that exhibit Circulate vernation.
  A)
   Nephrolepis and Cycas
  done clear
  B)
   Riccia and Nephrolepis
  done clear
  C)
   Psilotum and Riccia
  done clear
  D)
   Equisetum and Selaginella
  done clear
  View Answer play_arrow

• question_answer127) Pyruvate dehydrogenase complex, needed for the conversion of pyruvic acid to acetyl Co - A is located in
  A)
   grana of chloroplast
  done clear
  B)
   cytoplasm
  done clear
  C)
   matrix of mitochondria
  done clear
  D)
   intermembranal space of mitochondria
  done clear
  View Answer play_arrow

• question_answer128) The presence of corollary corona, sagittate anthers and dumb-bell shaped stigma are the characteristic features of
  A)
   Catharanthus roseus
  done clear
  B)
   Ravenala madagascariensis
  done clear
  C)
   Musa paradisiaca
  done clear
  D)
   Hibiscus rosa- sinensis
  done clear
  View Answer play_arrow

• question_answer129) Everytime, when the dosage of a drug has to be increased to achieve the same kick that initially occurred in response to a smaller dose, this condition is known as
  A)
   withdrawl symptoms
  done clear
  B)
   addiction
  done clear
  C)
   rebound effect
  done clear
  D)
   tolerance
  done clear
  View Answer play_arrow

• question_answer130) DNA gyrase, the enzyme that participates in the process of DNA replication is a type of
  A)
   DNA ligase
  done clear
  B)
   DNA polymerase
  done clear
  C)
   DNA topoisomerase
  done clear
  D)
   reverse transcriptase
  done clear
  View Answer play_arrow

• question_answer131) The species, though insignificant in number, determine the existence of many other species in a given ecosystem. Such species is known as
  A)
   extinct species
  done clear
  B)
   keystone species
  done clear
  C)
   endemic species
  done clear
  D)
   sacred species
  done clear
  View Answer play_arrow

• question_answer132) Compare the statement A and B. Statement A : Sclerenchyma cells do not have plasmodesmata. Statement B : The cell walls of some permanent tissues are heavily lignified. Select the correct description.
  A)
   Both the statement A and B are correct
  done clear
  B)
   Statement A is wrong and B is correct
  done clear
  C)
   Statement A is correct and B is wrong
  done clear
  D)
   Both the statement A and B are wrong
  done clear
  View Answer play_arrow

• question_answer133) Which one of the following is not the reason for very high load of bilirubin in a newborn?
  A)
   Mothers milk contain a high amount of bilirubin
  done clear
  B)
   Insoluble bilirubin in the intestine is reabsorbed by the blood
  done clear
  C)
   Excessive red blood corpuscles in the newborn burst, releasing the bilirubin
  done clear
  D)
   The liver of the newborn is too young to cope up with the heavy load of bilirubin
  done clear
  View Answer play_arrow

• question_answer134) Which one of the following diseases is caused by Nosema bombycis in mulberry silkworm?
  A)
   Grasserie
  done clear
  B)
   Flacherie
  done clear
  C)
   Muscadine
  done clear
  D)
   Pebrine
  done clear
  View Answer play_arrow

• question_answer135) The following is the scheme showing the path of reflex arc. Identify the different labellings A, B, C, D, E, F in the reflex arc.
  A)
   A-Stimulus, B- Effector, C-Motor nerve, D-Sensory nerve, E-Receptor, F-Response
  done clear
  B)
   A-Stimulus, B-Receptor, C-Motor nerve, D-Sensory nerve, E- Effector, F-Response
  done clear
  C)
   A-Stimulus, B- Effector, C-Sensory nerve D-Motor nerve, E-Receptor, F-Response
  done clear
  D)
   A-Stimulus, B-Receptor, C-Sensory nerve D-Motor nerve, E- Effector, F-Response
  done clear
  View Answer play_arrow

• question_answer136) Mendel found that the reciprocal crosses yielded identical results. From that he concluded that
  A)
   there is no dominance of any trait
  done clear
  B)
   sex has no influence on the dominance of traits
  done clear
  C)
   there is independent assortment of traits
  done clear
  D)
   sex plays a role in deciding the dominance of a trait
  done clear
  View Answer play_arrow

• question_answer137) Compare the statement A and B. Statement A : Synthesis of DNA takes place in the S-phase of interphase. Statement B : Every chromosome, during metaphase, has two chromatids. Select the correct description.
  A)
   Both the statement A and B are correct and A is the reason for B
  done clear
  B)
   Both the statement A and B are correct and A is not the reason for B
  done clear
  C)
   Statement A is wrong and B is correct
  done clear
  D)
   Statement A is correct and B is wrong
  done clear
  View Answer play_arrow

• question_answer138) Match the animals listed in column I with their of nature of blood listed in column II. Choose the answer which gives the correct combination of alphabets of the two columns.

  	Column I	Column II
  A.	Man	1. Plasma and cells are colorless
  B.	Earthworm	2. Plasma is colorless and nucleated RBCs
  C.	Cockroach	3. Plasma is colorless and enucleated RBCs
  D.	Frog	4. Plasma is red and nucleated, colorless RBCs
  		5. Plasma and RBCs have haemoglobin

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

• question_answer139) During lactic acid fermentation
  A)
   \[{{O}_{2}}\]is used, \[C{{O}_{2}}\]is not liberated
  done clear
  B)
   \[{{O}_{2}}\]is not used, \[C{{O}_{2}}\]is liberated
  done clear
  C)
   \[C{{O}_{2}}\]is used, \[C{{O}_{2}}\]is liberated
  done clear
  D)
   neither \[{{O}_{2}}\]is used, nor \[C{{O}_{2}}\]is liberated
  done clear
  View Answer play_arrow

• question_answer140) Which one of the following is not the function of insulin?
  A)
   Initiates the conversion of glycogen to glucose
  done clear
  B)
   Initiates the formation of hepatic glycogen from excess of glucose
  done clear
  C)
   Increases the permeability of cell membrane to glucose
  done clear
  D)
   Increases the oxidation of glucose in the cells
  done clear
  View Answer play_arrow

• question_answer141) The sugar present in milk is
  A)
   glucose
  done clear
  B)
   lactose
  done clear
  C)
   fructose
  done clear
  D)
   sucrose
  done clear
  View Answer play_arrow

• question_answer142) According to Stewards starch hydrolysis theory, which one of the following is the principal reason for the opening of stomata during daytime?
  A)
   Efflux of \[{{K}^{+}}\]ions from guard cells under the influence of ABA hormone
  done clear
  B)
   Photosynthetic utilization of \[C{{O}_{2}}\]in guard cells
  done clear
  C)
   Influx of \[{{K}^{+}}\]ions into guard cells under the influence of ABA hormone
  done clear
  D)
   Conversion of sugar into starch in guard cells
  done clear
  View Answer play_arrow

• question_answer143) Which one of the following processes results in the formation of a clone of bacteria?
  A)
   Transformation
  done clear
  B)
   Transduction
  done clear
  C)
   Binary fission
  done clear
  D)
   Conjugation
  done clear
  View Answer play_arrow

• question_answer144) Match the types of immunity listed in column I with the examples listed in column II. Choose the answer that gives the correct combination of alphabets of the two columns.

  Column I	Column II
  A. Natural active	1.Immunity developed by heredity
  B. Artificial passive	2. From mother to foetus through placenta
  C. Artificial active	3. Injection of antiserum to travellers
  D. Natural passive	4. Fighting infections naturally
  	5. Induced by vaccination

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

• question_answer145) How do you differentiate a butterfly from a moth?
  A)
   Moth is diurnal but butterfly is nocturnal
  done clear
  B)
   Moth has simple eyes but butterfly has compound eyes
  done clear
  C)
   Moth has feathery antennae but butterfly has club-shaped antennae
  done clear
  D)
   Moth has one pair of wings but butterfly has two pairs of wings
  done clear
  View Answer play_arrow

• question_answer146) Compare the statement A and B.

  Statement A : To counteract the increase in turgor pressure in plant cells, the cell wall produces an equal and opposite pressure, .i.e., wall pressure.

  Statement B : When plant cells undergo endosmosis, they swell but do not burst.

  Select the correct description.
  A)
   Statement A is wrong and B is correct
  done clear
  B)
   Both the statement A and B are correct and A is not the reason for B
  done clear
  C)
   Both the statement A and B are correct and A is the reason for B
  done clear
  D)
   Statement A is correct and B is wrong
  done clear
  View Answer play_arrow

• question_answer147) When red blood corpuscles containing both A and B antigens are mixed with your blood serum, they agglutinate. Hence your blood group is ...... type.
  A)
   A
  done clear
  B)
   B
  done clear
  C)
   AB
  done clear
  D)
   O
  done clear
  View Answer play_arrow

• question_answer148) Bovine spongiform encephalopathy is a disease caused by prions in a
  A)
   potato
  done clear
  B)
   man
  done clear
  C)
   sheep
  done clear
  D)
   cow
  done clear
  View Answer play_arrow

• question_answer149) Compare the statement A and B.

  Statement A: When the urine moves through the descending limb, it becomes hypertonic and as it passes through the ascending limb of Henles loop, it becomes hypotonic.

  Statement B: The descending limb is permeable to sodium ions, while the ascending limb is impermeable to sodium ions.

  Select the correct description.
  A)
  Both statement A and B are wrong
  done clear
  B)
  Both statement A and B are correct
  done clear
  C)
  Statement A is correct and B is wrong
  done clear
  D)
   Statement A is wrong and B is correct
  done clear
  View Answer play_arrow

• question_answer150) To meet the demands of the society, in vitro production of a large number of plantlets in a short duration is practiced in floriculture and horticulture industry today. This is called
  A)
   somatic hybridization
  done clear
  B)
   micropropagation
  done clear
  C)
   hybridoma technology
  done clear
  D)
   somaclonal variation
  done clear
  View Answer play_arrow

• question_answer151) Due to non-disjunction of chromosomes during spermatogenesis, sperms carry both sex chromosomes (22A + XY) and some sperms do not carry any sex chromosome (22A + O). If these sperms fertilize normal eggs (22A + X), what types of genetic disorders appear among the offsprings?
  A)
   Downs syndrome and Turners syndrome
  done clear
  B)
   Downs syndrome and Cri-du-chat syndrome
  done clear
  C)
   Turners syndrome and Klinefelters syndrome
  done clear
  D)
   Downs syndrome and Klinefelters syndrome
  done clear
  View Answer play_arrow

• question_answer152) When a freshwater protozoan is placed in marine water the
  A)
   contractile vacuoles disappear
  done clear
  B)
   contractile vacuoles remain unchanged
  done clear
  C)
   contractile vacuoles become bigger in size
  done clear
  D)
   number of contractile vacuoles increase
  done clear
  View Answer play_arrow

• question_answer153) Which one of the following pairs is an example for lateral meristem?
  A)
   Phellogen and phelloderm
  done clear
  B)
   Phellogen and fascicular cambium
  done clear
  C)
   Procambium and phelloderm
  done clear
  D)
   Interfascicular cambium and phellem
  done clear
  View Answer play_arrow

• question_answer154) In peritoneal dialysis, the blood is
  A)
   not removed from the body and an artificial filter is used
  done clear
  B)
   removed from the body and an artificial filter is employed
  done clear
  C)
   removed from the body and a natural filter is employed
  done clear
  D)
   not removed from the body and a natural filter is used
  done clear
  View Answer play_arrow

• question_answer155) The following is a scheme showing the electron transport system. Identify the electron carrier molecules indicated as A and B. Choose the correct option.
  A)
   A - Fe - S protein, F - FMN
  done clear
  B)
   A - FMN, B - Be - S protein
  done clear
  C)
   A - Coenzyme Q, B - Cytochrome - c
  done clear
  D)
   A - Cytochrome - c, B - Coenzyme Q
  done clear
  View Answer play_arrow

• question_answer156) Which one of the following statement is not correct during protein synthesis?
  A)
   UAA codon codes for lysine
  done clear
  B)
   UGG codon codes for tryptophan
  done clear
  C)
   Cysteine is coded by UGU and UGC codons
  done clear
  D)
   Tyrosine is coded by UAU and UAC codons
  done clear
  View Answer play_arrow

• question_answer157) In the absence of acrosome, the sperm cannot
  A)
   get food
  done clear
  B)
   swim
  done clear
  C)
   penetrate the egg
  done clear
  D)
   get energy
  done clear
  View Answer play_arrow

• question_answer158) Which one of the following species of earthworm is not recommended for vermicomposting?
  A)
   Perionyx excavates
  done clear
  B)
   Pheretima posthuma
  done clear
  C)
   Eudrilus eugeneae
  done clear
  D)
   Eisenia foetidae
  done clear
  View Answer play_arrow

• question_answer159) The diagram of the ultrastructure of a plant cell is given below. Identify the function of the organelles labelled A, B, C, D, E, in the diagram.
  A)
  A-Site of photophosphorylation, B-Storage of cell sap, C-Intracellular transport, D-Site of oxidative phosphorylation, E-Principal director of macromolecular traffic
  done clear
  B)
  A-Storage of cell sap, B-Site of oxidative phosphorylation, C-Principal director of macromolecular traffic, D-Site of photophosphorylation,   E-Intracellular transport
  done clear
  C)
  A-Intracellular transport, B-Site of oxidative phosphorylation, C-Principal director  of  macromolecular  traffic, D-Site    of    photophosphorylation, E-Storage of cell sap
  done clear
  D)
  A-Principal director of macromolecular traffic, B-Site of oxidative phosphorylation C-Intracellular   transport,   D-Site   of photophosphorylation, E-Storage of cell sap
  done clear
  View Answer play_arrow

• question_answer160) he main aim of the human genome project is
  A)
   to develop better techniques  for comparing two different human DNA samples
  done clear
  B)
   to remove disease causing genes from human DNA
  done clear
  C)
   to introduce new genes into humans
  done clear
  D)
  to identify the sequence all the genes present in human DNA
  done clear
  View Answer play_arrow

• question_answer161) Succus entericus is secreted by
  A)
   Peyers patches
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  B)
   crypts of Leiberkuhn
  done clear
  C)
   Auerbachs plexus
  done clear
  D)
   Brunners glands
  done clear
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• question_answer162) Cell A and cell B are adjacent plant cells. In cell A, \[{{\psi }_{p}}\] = - 20 bars and \[{{\psi }_{p}}\] = 8 bars. In cell B, \[{{\psi }_{S}}\] = -12 bars and \[{{\psi }_{p}}\] = 2 bars. Then,
  A)
   water moves from cell B to cell A
  done clear
  B)
   equal amount of water is simultaneously exchanged between cell A and cell B
  done clear
  C)
   water moves from cell A to cell B
  done clear
  D)
   there is no movement of water between cell A and cell B
  done clear
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• question_answer163) Populations are said to be sympatric when two populations
  A)
  are isolated but occasionally come together to interbreed
  done clear
  B)
  share the same environment but cannot interbreed
  done clear
  C)
  live together and freely interbreed to produce sterile offspring
  done clear
  D)
  are physically isolated by natural barriers
  done clear
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• question_answer164) In which of the following situations, is there a risk factor for children of incurring erythroblastosis foetalis?
  A)
   Mother is \[R{{h}^{+}}\]and father is \[R{{h}^{+}}\]
  done clear
  B)
   Mother is \[R{{h}^{+}}\]and father is \[R{{h}^{-}}\]
  done clear
  C)
   Mother is \[R{{h}^{-}}\] and father is \[R{{h}^{-}}\]
  done clear
  D)
   Mother is \[R{{h}^{-}}\]and father is \[R{{h}^{+}}\]
  done clear
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• question_answer165) Compare the statement A and B.

  Statement A: RNA produced during transcription in eukaryotic cells cannot be straight away used in photosynthesis.

  Statement B: RNA splicing phenomena helps in the removal of exons.

  Select the correct description.
  A)
   Statement A is correct and B is wrong
  done clear
  B)
   Statement A is wrong and B is correct
  done clear
  C)
   Both the statement A and B are wrong
  done clear
  D)
   Both the statement A and B are correct
  done clear
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• question_answer166) The diagram of large intestine of man is given below. Identify the parts labelled A, B C, D, E and F.
  A)
  A-Caecum,   B-Vermiform appendix, C-Ascending colon, D-Transverse colon, E-Descending colon, F-Sigmoid
  done clear
  B)
   A-Sigmoid,   B-Vermiform   appendix, C-Descending   colon,   D-Transverse colon, E-Ascending colon, F- Caecum
  done clear
  C)
   A-Sigmoid,   B-Vermiform   appendix, C-Ascending colon, D-Transverse colon, E-Descending colon, F- Caecum
  done clear
  D)
   A- Caecum, B-Vermiform appendix, C-Sigmoid,    D-Ascending    colon, E-Transverse colon, F-Descending colon
  done clear
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• question_answer167) In genetic fingerprinting, the probe refers to a radioactively labelled
  A)
   double-stranded RNA molecule
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  B)
   double-stranded DNA molecule
  done clear
  C)
   single-stranded DNA molecule
  done clear
  D)
  single-stranded RNA molecule
  done clear
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• question_answer168) Which one of the following is not a method of soil conservation?
  A)
   Strip cropping
  done clear
  B)
   Crop rotation
  done clear
  C)
   Mulching
  done clear
  D)
   Overgrazing
  done clear
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• question_answer169) In \[{{C}_{4}}-\]pathway, the \[C{{O}_{2}}\]fixation in mesophyll cells is carried out by the enzyme
  A)
  pyruvate dehydrogenase
  done clear
  B)
  pyruvate decarboxylase
  done clear
  C)
   PEP carboxylase
  done clear
  D)
   Rubisco
  done clear
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• question_answer170) Which one of the following is a driving force for the process of passive absorption of water in roots?
  A)
   Activity of aquaporins
  done clear
  B)
   Transpiration in leaves
  done clear
  C)
   The increase in imbibitional of pressure in root cells
  done clear
  D)
   Root pressure
  done clear
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• question_answer171) If the systolic pressure is 120 mm Hg and diastolic pressure is 80 nun Hg, the pulse pressure is
  A)
   120 - 80 = 40 mm Hg
  done clear
  B)
   120 - 80 = 1.5 mm Hg
  done clear
  C)
   120 x 80 = 9600 mm Hg
  done clear
  D)
   120 + 80 = 200 mm Hg
  done clear
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• question_answer172) Tyioses are found in
  A)
   sclereids
  done clear
  B)
   sclerenchyma fibres
  done clear
  C)
   secondary phloem
  done clear
  D)
   secondary xylem
  done clear
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• question_answer173) Which one of the following synthetic growth regulators is used to promote synchronized flowering in pineapple?
  A)
   Indole butyric acid
  done clear
  B)
   2 - chloroethylphosphonic acid
  done clear
  C)
   Benzyl aminopurine
  done clear
  D)
   Phenylmercuric acetate
  done clear
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• question_answer174) Sporopollenin, a chemical substance is found in
  A)
   endothecium of anther
  done clear
  B)
   tapetum of anther
  done clear
  C)
   inline of pollen grain
  done clear
  D)
   exine of pollen grain
  done clear
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• question_answer175) Which one of the following statements about the events of non-cyclic photophosphorylation is not correct?
  A)
   Photolysis of water takes place
  done clear
  B)
   Oxygen is released
  done clear
  C)
   Only one photosystem participates
  done clear
  D)
   ATP and NADPH are produced
  done clear
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• question_answer176) With reference to enzymes, turnover number means
  A)
   the number of substrate molecules that molecule of an enzyme converts into products per minute
  done clear
  B)
   the number of substrate molecules that molecule of an enzyme converts into products per day
  done clear
  C)
   the number of substrate molecules that molecule of an enzyme converts into products per hour
  done clear
  D)
   the number of substrate molecules that molecule of an enzyme converts into products per second
  done clear
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• question_answer177) The following diagrams A, B, C, D and E show the different types of arrangement of stamens based on the cohesion of their parts in different plants. Assign the stamens to their respective plants. Choose the correct answer.
  A)
   A-Hibiscus rosa - sinensis, B- Bombax ceiba, C-Helianthus annus, D - Cucurbita pepo, E - Crotalaria juncea
  done clear
  B)
   A-Hibiscus rosa-sinensis, B-Crotalaria juncea, C-Bombax ceiba, D-Helianthus annus, E-Cucurbita pepo
  done clear
  C)
   A-Hibiscus rosa-sinensis, B-Helianthus annus, C-Cucurbita pepo, D-Crotalaria juncea, E-Helianthus annus
  done clear
  D)
   A-Hibiscus rosa-sinensis, B-Bombax ceiba, C-Cucurbita pepo, D-Crotalaria juncea, E-Helianthus annus
  done clear
  View Answer play_arrow

• question_answer178) The single-horned rhinoceros is protected at
  A)
   Anashi National Park
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  B)
   Rajiv Gandhi National Park
  done clear
  C)
   Kanha National Park
  done clear
  D)
   Kaziranga National Park
  done clear
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• question_answer179) According to Boyles law, the product of pressure and volume is a constant. Hence if volume of lungs is increased the
  A)
   Pressure decreases disproportionately
  done clear
  B)
   Pressure remains the same
  done clear
  C)
   Pressure decreases proportionately
  done clear
  D)
   Pressure also increases proportionately
  done clear
  View Answer play_arrow

• question_answer180) According to Darwin, evolution is a
  A)
   slow, sudden and discontinuous process
  done clear
  B)
   slow and discontinuous process
  done clear
  C)
   sudden but discontinuous process
  done clear
  D)
   slow, gradual and continuous process
  done clear
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