Solved papers for NEET NEET SOLVED PAPER 2015 (C)

done NEET SOLVED PAPER 2015 (C) Total Questions - 180

• question_answer1) If energy (E), velocity [v] and time (T) are chosen as the fundamental quantities, the dimensional formula of surface tension will be                                                                                                                                  
  A)
   \[[E{{v}^{-2}}{{T}^{-1}}]\]           
  done clear
  B)
   \[[E{{v}^{-1}}{{T}^{-2}}]\]           
  done clear
  C)
   \[[E{{v}^{-2}}{{T}^{-2}}]\]           
  done clear
  D)
   \[[{{E}^{-2}}{{v}^{-1}}{{T}^{-3}}]\]
  done clear
  View Answer play_arrow

• question_answer2) A ship A is moving Westwards with a speed of \[10\,km\,{{h}^{-1}}\] and a ship B 100 km South of A, is moving Northwards with a speed of \[10\,km\,{{h}^{-1}}\]. The time after which the distance between them becomes shortest is
  A)
   0 h                        
  done clear
  B)
   5 h                        
  done clear
  C)
   \[5\sqrt{2}h\]  
  done clear
  D)
   \[10\sqrt{2}h\]
  done clear
  View Answer play_arrow

• question_answer3) A particle of unit mass undergoes one-dimensional motion such that its velocity varies according to \[v(x)=\beta {{x}^{-2n}}\] where, \[\beta \] and n are constants and \[x\] is the position of the particle. The acceleration of the particle as a function of x, is given by                                                                                                           
  A)
   \[-2n{{\beta }^{2}}\,{{x}^{-2n-1}}\]        
  done clear
  B)
   \[-2n{{\beta }^{2}}\,{{x}^{-4n-1}}\]
  done clear
  C)
   \[-2{{\beta }^{2}}\,\,{{x}^{-2n+1}}\]       
  done clear
  D)
          \[-2n{{\beta }^{2}}\,\,\,{{e}^{-4n+1}}\]
  done clear
  View Answer play_arrow

• question_answer4) Three blocks A, B and C of masses 4 kg, 2 kg   and 1 kg respectively, are in contact on a 1   frictionless surface, as shown. If a force of 14 N is applied on the 4 kg block, then the contact force between A and B is
  A)
   2N                        
  done clear
  B)
   6N                        
  done clear
  C)
   8 N                       
  done clear
  D)
   18 N                     
  done clear
  View Answer play_arrow

• question_answer5) A block A of mass \[{{m}_{1}}\] rests on a horizontal table. A light string connected to it passes over a frictionless pulley at the edge of table and from its other end another block B of mass \[{{m}_{2}}\] is suspended. The coefficient of kinetic friction between the block and the table is\[{{\mu }_{k}}\]. When the block A is sliding on the table, the tension in the string is                                                                                                   
  A)
   \[\frac{({{m}_{2}}+{{\mu }_{k}}{{m}_{1}})g}{({{m}_{1}}+{{m}_{2}})}\]
  done clear
  B)
   \[\frac{({{m}_{2}}+{{\mu }_{k}}{{m}_{1}})g}{({{m}_{1}}+{{m}_{2}})}\]
  done clear
  C)
          \[\frac{{{m}_{1}},{{m}_{2}}(1+{{\mu }_{k}})g}{({{m}_{1}}+{{m}_{2}})}\]
  done clear
  D)
          \[\frac{{{m}_{1}}{{m}_{2}}(1-{{\mu }_{k}})g}{({{m}_{1}}+{{m}_{2}})}\]
  done clear
  View Answer play_arrow

• question_answer6) Two similar springs P and Q have spring constants \[{{K}_{P}}\] and \[{{K}_{Q}}\], such that \[{{K}_{P}}>{{K}_{Q}}\]. They are stretched, first by the same amount (case a), then by the same force (case b). The work done by the springs \[{{W}_{P}}\] and \[{{W}_{Q}}\] are related as, in case (a) and case (b), respectively                                       
  A)
   \[{{W}_{P}}={{W}_{Q}};{{W}_{P}}>{{W}_{Q}}\]  
  done clear
  B)
   \[{{W}_{P}}={{W}_{Q}};{{W}_{P}}={{W}_{Q}}\]
  done clear
  C)
   \[{{W}_{P}}>{{W}_{Q}};{{W}_{Q}}>{{W}_{P}}\]
  done clear
  D)
      \[{{W}_{P}}<{{W}_{Q}};{{W}_{Q}}<{{W}_{P}}\]
  done clear
  View Answer play_arrow

• question_answer7) A block of mass 10 kg, moving in x-direction with a constant speed of \[10\,m{{s}^{-1}},\] is subjected to a retarding force \[F=0.1\,\times \,J/m\] during its travel from \[x=20\,m\] m to 30 m. Its final KE will be                                      
  A)
   475 J                    
  done clear
  B)
   450 J    
  done clear
  C)
   275 J                    
  done clear
  D)
   250 J    
  done clear
  View Answer play_arrow

• question_answer8) A particle of mass m is driven by a machine that delivers a constant power k watts. If the particle starts from rest, the force on the particle at time t is                                                                                
  A)
  \[\sqrt{\frac{mk}{2}}\,{{t}^{{}^{1}/{}_{2}}}\]      
  done clear
  B)
   \[\sqrt{mk}\,{{t}^{{}^{-1}/{}_{2}}}\]      
  done clear
  C)
  \[\sqrt{2mk}\,{{t}^{{}^{-1}/{}_{2}}}\]     
  done clear
  D)
   \[\frac{1}{2}\sqrt{mk}\,{{t}^{{}^{-1}/{}_{2}}}\]
  done clear
  View Answer play_arrow

• question_answer9) Two particles of masses \[{{m}_{1}},{{m}_{2}}\] move with initial velocities \[{{u}_{1}}\] and \[{{u}_{2}}\]. On collision, one of the particles get excited to higher level, after absorbing energy \[\varepsilon \]. If final velocities of particles be \[{{v}_{1}}\] and \[{{v}_{2}},\] then we must have                                                                                                                                                                    
  A)
   \[m_{1}^{2}{{u}_{1}}+m_{2}^{2}{{u}_{2}}-\varepsilon =m_{1}^{2}{{v}_{1}}+m_{2}^{2}{{v}_{2}}\]
  done clear
  B)
   \[\frac{1}{2}{{m}_{1}}u_{1}^{2}+\frac{1}{2}{{m}_{2}}u_{2}^{2}=\frac{1}{2}{{m}_{1}}v_{1}^{2}+\frac{1}{2}{{m}_{2}}v_{2}^{2}-\varepsilon \]
  done clear
  C)
   \[\frac{1}{2}{{m}_{1}}u_{1}^{2}+\frac{1}{2}{{m}_{2}}u_{2}^{2}-\varepsilon =\frac{1}{2}{{m}_{1}}v_{1}^{2}+\frac{1}{2}{{m}_{2}}v_{2}^{2}\]
  done clear
  D)
   \[\frac{1}{2}m_{1}^{2}u_{1}^{2}+\frac{1}{2}m_{2}^{2}u_{2}^{2}+\varepsilon =\frac{1}{2}m_{1}^{2}v_{1}^{2}+\frac{1}{2}m_{2}^{2}v_{2}^{2}\]
  done clear
  View Answer play_arrow

• question_answer10) A rod of weight w is supported by two parallel knife edges A and B and is in equilibrium in a horizontal position. The knives are at a distance d from each other.          The centre of mass of the rod is at distance x from A. The normal reaction on A is            
  A)
   \[\frac{wx}{d}\]                              
  done clear
  B)
   \[\frac{wd}{x}\]                              
  done clear
  C)
   \[\frac{w(d-x)}{x}\]      
  done clear
  D)
   \[\frac{w(d-x)}{d}\]
  done clear
  View Answer play_arrow

• question_answer11) A mass m moves in a circle on a smooth horizontal plane with velocity \[{{v}_{0}}\] at a radius \[{{R}_{0}}\]. The mass is attached to a string which passes through a smooth hole in the plane as shown.            The tension in the string is increased gradually and finally m moves in a circle of radius\[\frac{{{R}_{0}}}{2}\]. The final value of the kinetic energy is
  A)
   \[mv_{0}^{2}\]          
  done clear
  B)
   \[\frac{1}{4}mv_{0}^{2}\]           
  done clear
  C)
   \[2\,mv_{0}^{2}\]          
  done clear
  D)
   \[\frac{1}{2}mv_{0}^{2}\]
  done clear
  View Answer play_arrow

• question_answer12) Three identical spherical shells, each of mass m and radius r are placed as shown in figure. Consider an axis XX', which is touching to two shells and passing through diameter of third shell. Moment of inertia of the system consisting of these three spherical shells about XX' axis is         
  A)
   \[\frac{11}{5}m{{r}^{2}}\]           
  done clear
  B)
   \[3\,m{{r}^{2}}\]            
  done clear
  C)
   \[\frac{16}{5}m{{r}^{2}}\]           
  done clear
  D)
   \[4\,m{{r}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer13) Kepler's third law states that square of period of revolution (T) of a planet around the sun, is proportional to third power of average distance r between the sun and planet i.e.   \[{{T}^{2}}=K{{r}^{3}},\] here K is constant. If the masses of the sun and planet are M and m respectively, then as per Newton's law of gravitation force of attraction between them is \[F=\frac{GMm}{{{r}^{2}}}\], here G is gravitational constant. The relation between G and K is described as
  A)
   \[GK=4{{\pi }^{2}}\]                      
  done clear
  B)
   \[GMK=4{{\pi }^{2}}\]  
  done clear
  C)
   \[K=G\]           
  done clear
  D)
   \[K=\frac{l}{G}\]
  done clear
  View Answer play_arrow

• question_answer14) Two spherical bodies of masses M and 5M and radii R and 2R are released in free space with initial separation between their centres equal to 12 R. If they attract each other due to gravitational force only, then the distance covered by the smaller body before collision is                                                                                                      
  A)
   \[2.5R\]              
  done clear
  B)
   \[4.5R\]              
  done clear
  C)
   \[7.5R\]              
  done clear
  D)
   \[1.5R\]
  done clear
  View Answer play_arrow

• question_answer15) On observing light from three different stars P, Q and R, it was found that intensity of violet colour is maximum in the spectrum of P, the intensity of green colour is maximum in the spectrum of R and the intensity of red colour is maximum in the spectrum of Q. If \[{{T}_{P}},{{T}_{Q}}\] and \[{{T}_{R}}\] are the respective absolute temperatures of P, Q and R, then it can be concluded from the above observations that                                   
  A)
   \[{{T}_{P}}>{{T}_{Q}}>{{T}_{R}}\]            
  done clear
  B)
   \[{{T}_{P}}>{{T}_{R}}>{{T}_{Q}}\]            
  done clear
  C)
          \[{{T}_{P}}<{{T}_{R}}<{{T}_{Q}}\]       
  done clear
  D)
          \[{{T}_{P}}<{{T}_{Q}}<{{T}_{R}}\]
  done clear
  View Answer play_arrow

• question_answer16) The approximate depth of an ocean is 2 700 m. The compressibility of water is \[45.4\times {{10}^{-11}}P{{a}^{-1}}\] and density of water is\[{{10}^{3}}kg/{{m}^{3}}\]. What fractional compression of water will be obtained at the bottom of the ocean?
  A)
   \[0.8\times {{10}^{-2}}\]             
  done clear
  B)
   \[1.0\times {{10}^{-2}}\]             
  done clear
  C)
          \[1.2\times {{10}^{-2}}\]         
  done clear
  D)
          \[1.4\times {{10}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer17) The two ends of a metal rod are maintained at temperatures \[{{100}^{\text{o}}}C\] and \[{{110}^{\text{o}}}C\]. The rate of heat flow in the rod is found to be 4.0 J/s. If the ends are maintained at temperatures \[{{200}^{\text{o}}}C\] and \[{{210}^{\text{o}}}C,\] the rate of heat flow will be                                                                                                                                                                              
  A)
   44.0 J/s
  done clear
  B)
                          16.8 J/s               
  done clear
  C)
          8.0 J/s                
  done clear
  D)
          4.0 J/s
  done clear
  View Answer play_arrow

• question_answer18) A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is . Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the force will be                                                                                                                       \[({{p}_{air}}=1.2kg/{{m}^{3}})\]
  A)
   \[4.8\times {{10}^{5}}N\] N, downwards
  done clear
  B)
   \[4.8\times {{10}^{5}}N\], upwards
  done clear
  C)
   \[2.4\times {{10}^{5}}N\], upwards
  done clear
  D)
   \[2.4\times {{10}^{5}}N\], downwards
  done clear
  View Answer play_arrow

• question_answer19) Figure below shows two paths that may be taken by a gas to go from a state A to a state C.         In process AB, 400 J of heat is added to the system and in process BC, 100 J of heat is added to the system. The heat absorbed by the system in the process AC will be                                            
  A)
   380 J                    
  done clear
  B)
   500 J    
  done clear
  C)
          460 J              
  done clear
  D)
   300 J
  done clear
  View Answer play_arrow

• question_answer20) A Carnot engine, having an efficiency of \[\eta =\frac{1}{10}\]as heat engine, is used as a refrigerator. If the work done on the system is 10 J, the amount of energy absorbed from the reservoir at lower temperature is
  A)
   \[100\,\text{J}\]             
  done clear
  B)
   \[99\text{J}\]                   
  done clear
  C)
          \[90\text{J}\]                   
  done clear
  D)
   \[1\text{J}\] 
  done clear
  View Answer play_arrow

• question_answer21) One mole of an ideal diatomic gas undergoes a transition from A to B along a path AB as shown in the figure The change in internal energy of the gas during the transition is
  A)
   20 kJ    
  done clear
  B)
   -20 kJ   
  done clear
  C)
          20 J                       
  done clear
  D)
   -12 kJ
  done clear
  View Answer play_arrow

• question_answer22) The ratio of the specific heats \[\frac{{{C}_{p}}}{{{C}_{v}}}=\gamma \] in terms of degrees of freedom (n) is given by
  A)
   \[\left( 1+\frac{1}{n} \right)\]   
  done clear
  B)
   \[\left( 1+\frac{n}{3} \right)\]   
  done clear
  C)
   \[\left( 1+\frac{2}{n} \right)\]   
  done clear
  D)
   \[\left( 1+\frac{2}{n} \right)\]
  done clear
  View Answer play_arrow

• question_answer23) When two displacements represented by \[{{y}_{1}}=a\sin (\omega t)\]   and  \[{{y}_{2}}=b\cos \,(\omega t)\]  are superimposed, the motion is
  A)
   not a simple harmonic
  done clear
  B)
   simple harmonic with amplitude \[\frac{a}{b}\]
  done clear
  C)
   simple harmonic with amplitude \[\sqrt{{{a}^{2}}+{{b}^{2}}}\]
  done clear
  D)
   simple harmonic with amplitude \[\frac{(a+b)}{2}\]
  done clear
  View Answer play_arrow

• question_answer24) A particle is executing SHM along a straight line. Its velocities at distances \[{{x}_{1}}\] and \[{{x}_{2}}\] from the mean position are \[{{v}_{1}}\] and \[{{v}_{2}}\], respectively. Its time period is                                            
  A)
   \[2\pi \sqrt{\frac{x_{1}^{2}+x_{2}^{2}}{v_{1}^{2}+v_{2}^{2}}}\]               
  done clear
  B)
   \[2\pi \sqrt{\frac{x_{2}^{2}-x_{1}^{2}}{v_{1}^{2}-v_{2}^{2}}}\]
  done clear
  C)
          \[2\pi \sqrt{\frac{v_{1}^{2}+v_{2}^{2}}{x_{1}^{2}+x_{2}^{2}}}\]               
  done clear
  D)
          \[2\pi \sqrt{\frac{v_{1}^{2}-v_{2}^{2}}{x_{1}^{2}-x_{2}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer25) The fundamental frequency of a closed organ pipe of length 20 cm is equal to the second overtone of an organ pipe open at both the ends. The length of organ pipe open at both the ends is                           
  A)
   80 cm                  
  done clear
  B)
   100 cm
  done clear
  C)
   120 cm         
  done clear
  D)
   140 cm
  done clear
  View Answer play_arrow

• question_answer26) A parallel plate air capacitor of capacitance C is connected to a cell of emf V and then disconnected from it. A dielectric slab of dielectric constant K, which can just fill the air gap of the capacitor is now inserted in it.                                                                    Which of the following is incorrect?                                                                                                        
  A)
   The potential difference between the plates decreases K times
  done clear
  B)
   The energy stored in the capacitor decreases K times
  done clear
  C)
   The change in energy stored is \[\frac{1}{2}C{{V}^{2}}\left( \frac{1}{K}-1 \right)\]
  done clear
  D)
   The charge on the capacitor is not conserved
  done clear
  View Answer play_arrow

• question_answer27) The electric field in a certain region is acting radially outward and is given by E = Ar. A. charge contained in a sphere of radius 'a' centred at the origin of the field' will be given by                           
  A)
   \[4\pi {{\varepsilon }_{0}}A{{a}^{2}}\]         
  done clear
  B)
   \[A{{\varepsilon }_{0}}{{a}^{2}}\]           
  done clear
  C)
                          \[4\pi {{\varepsilon }_{0}}A{{a}^{3}}\]      
  done clear
  D)
    \[{{\varepsilon }_{0}}A{{a}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer28) A potentiometer wire has length 4 m and resistance \[8\,\Omega \]. The resistance that must be connected in series with the wire and an accumulator of emf 2V, so as to get a potential gradient 1 mV per cm on the wire is              
  A)
                                                           32 \[\Omega \]            
  done clear
  B)
   40 \[\Omega \]
  done clear
  C)
   44 \[\Omega \]               
  done clear
  D)
   48\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer29) A, B and C are voltmeters of resistance R, 1.5R and 3R respectively as shown in the figure. When some potential difference is applied between X and Y, the voltmeter readings are \[{{V}_{A}},{{V}_{B}}\] and \[{{V}_{C}}\] respectively.                                                                                                                                                                                                      Then,                   
  A)
   \[{{V}_{A}}={{V}_{B}}={{V}_{C}}\]          
  done clear
  B)
   \[{{V}_{A}}\ne {{V}_{B}}={{V}_{C}}\]
  done clear
  C)
          \[{{V}_{A}}={{V}_{B}}\ne {{V}_{C}}\]    
  done clear
  D)
          \[{{V}_{A}}\ne {{V}_{B}}\ne {{V}_{C}}\]
  done clear
  View Answer play_arrow

• question_answer30) Across a metallic conductor of non-uniform cross-section, a constant potential difference is applied. The quantity which remain constant along the conductor is                                                                   
  A)
   current density               
  done clear
  B)
   current               
  done clear
  C)
          drift velocity       
  done clear
  D)
          electric field
  done clear
  View Answer play_arrow

• question_answer31) A wire carrying current \[I\] has the shape as shown in adjoining figure. Linear parts of the wire are very long and parallel to X-axis while semicircular portion of radius B. is lying in Y-Z plane. Magnetic field at point O is                  
  A)
   \[\mathbf{B}=\frac{{{\mu }_{0}}}{4\pi }\frac{l}{R}(\pi \hat{i}+2\hat{k})\]             
  done clear
  B)
   \[\mathbf{B}=-\frac{{{\mu }_{0}}}{4\pi }\frac{l}{R}(\pi \hat{i}-2\hat{k})\]
  done clear
  C)
   \[\mathbf{B}=-\frac{{{\mu }_{0}}}{4\pi }\frac{l}{R}(\pi \hat{i}+2\hat{k})\]
  done clear
  D)
   \[\mathbf{B}=\frac{{{\mu }_{0}}}{4\pi }\frac{l}{R}(\pi \hat{i}-2\hat{k})\]
  done clear
  View Answer play_arrow

• question_answer32) An electron moving in a circular orbit of radius r makes n rotations per second. The magnetic field produced at the centre has magnitude                                                                                                                                                             
  A)
   \[\frac{{{\mu }_{0}}ne}{2\pi r}\]              
  done clear
  B)
   zero     
  done clear
  C)
   \[\frac{{{\mu }_{0}}{{n}^{2}}e}{r}\]        
  done clear
  D)
   \[\frac{{{\mu }_{0}}ne}{2r}\]
  done clear
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• question_answer33) A conducting square frame of side a and a long straight wire carrying current \[I\] are located in the same plane as shown in the figure. The frame moves to the right with a constant velocity V. The emf induced in the frame will be proportional to                                                                                                                                
  A)
   \[\frac{1}{{{x}^{2}}}\]                   
  done clear
  B)
   \[\frac{1}{{{(2x-a)}^{2}}}\]         
  done clear
  C)
   \[\frac{1}{{{(2x+a)}^{2}}}\]        
  done clear
  D)
   \[\frac{1}{(2x+a)(2x+a)}\]
  done clear
  View Answer play_arrow

• question_answer34) A resistance R draws power P when connected to an AC source. If an inductance such that the impedance of the circuit becomes Z the power drawn will the                                                                     
  A)
   \[P{{\left( \frac{R}{Z} \right)}^{2}}\]      
  done clear
  B)
   \[P\sqrt{\frac{R}{Z}}\] 
  done clear
  C)
   \[P\left( \frac{R}{Z} \right)\]     
  done clear
  D)
   P
  done clear
  View Answer play_arrow

• question_answer35) A radiation of energy E falls normally on a perfectly reflecting surface. The momentum on a transferred to the surface is (c = velocity of light)                                                                                                  
  A)
   \[\frac{E}{c}\]                  
  done clear
  B)
   \[\frac{2E}{c}\]                
  done clear
  C)
   \[\frac{2E}{{{c}^{2}}}\]                 
  done clear
  D)
   \[\frac{E}{{{c}^{2}}}\]
  done clear
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• question_answer36) Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed wait their convex surfaces in contact at the centre. The intervening space is filled with oil of refractive index 1.7 The focal length of the combination is                                                            
  A)
   \[-20\,cm\]       
  done clear
  B)
   \[-25\,cm\]       
  done clear
  C)
   \[-50cm\]          
  done clear
  D)
   \[50cm\]                                                                                                                                    
  done clear
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• question_answer37) For a parallel beam of monochromatic light of wavelength '\[\lambda \]' diffraction is produced by a single slit whose width 'a' is of the order of    the wavelength of the light. If D is the   distance of the screen from the slit, the width a the of the central maxima will be                                                                                             
  A)
   \[\frac{2\lambda D}{a}\]             
  done clear
  B)
   \[\frac{D\lambda }{a}\]               
  done clear
  C)
          \[\frac{Da}{\lambda }\]                               
  done clear
  D)
   \[\frac{2Da}{\lambda }\]
  done clear
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• question_answer38) In a double slit experiment, the two slits are 1 mm apart and the screen is placed 1 m away. A monochromatic light of wavelength 500 nm is used. What will be the width of each slit for obtaining ten maxima of double slit within the central maxima of single slit pattern.                                                                                      
  A)
    0.2 mm              
  done clear
  B)
   0.1 mm               
  done clear
  C)
   0.5 mm               
  done clear
  D)
   0.02 mm
  done clear
  View Answer play_arrow

• question_answer39) The refracting angle of a prism is A, and refractive index of the material of the prism is cot (A/2). The angle of minimum deviation is
  A)
   \[{{180}^{{}^\circ }}-3A\]            
  done clear
  B)
   \[{{180}^{{}^\circ }}-2A\]            
  done clear
  C)
   \[{{90}^{{}^\circ }}-A\] 
  done clear
  D)
   \[{{180}^{{}^\circ }}+2A\]
  done clear
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• question_answer40) A certain metallic surface is illuminated with monochromatic light of wavelength \[\lambda \]. The stopping potential for photoelectric current for this light is \[3{{V}_{0}}\]. If the same surface is illuminated with light of wavelength 2\[\lambda \], the stopping potential is \[{{V}_{0}}\]. The threshold wavelength for this surface for photoelectric effect is
  A)
   \[6\lambda \]                  
  done clear
  B)
   \[4\lambda \]                  
  done clear
  C)
   \[\frac{\lambda }{4}\]                  
  done clear
  D)
   \[\frac{\lambda }{6}\]
  done clear
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• question_answer41) Which of the following figures represent the variation of particle momentum and the associated de-Broglie wavelength?                                                                                                                                                     
  A)
                       
  done clear
  B)
    
  done clear
  C)
   
  done clear
  D)
   
  done clear
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• question_answer42)                       Consider \[{{3}^{rd}}\] orbit of \[H{{e}^{+}}\] (Helium), using non-relativistic approach, the speed of electron in this orbit will be (given \[K=9\times {{10}^{9}}\] constant, Z = 2 and h (Planck's constant) = \[6.6\times {{10}^{-34}}\text{J}-s\])                        
  A)
   \[2.92\times {{10}^{6}}m/s\]                    
  done clear
  B)
   \[1.46\times {{10}^{6}}m/s\]
  done clear
  C)
          \[0.73\times {{10}^{6}}m/s\]   
  done clear
  D)
          \[3.0\times {{10}^{8}}m/s\]
  done clear
  View Answer play_arrow

• question_answer43) If radius of the \[_{13}^{27}\text{Al}\] nucleus is taken to be \[{{R}_{\text{Al}}},\] then the radius of \[_{53}^{125}Te\] nucleus is nearly
  A)
   \[{{\left( \frac{53}{13} \right)}^{\frac{1}{3}}}{{R}_{\text{Al}}}\]
  done clear
  B)
          \[\frac{5}{3}{{\text{R}}_{\text{Al}}}\]   
  done clear
  C)
   \[\frac{3}{5}{{\text{R}}_{\text{Al}}}\]   
  done clear
  D)
   \[{{\left( \frac{13}{53} \right)}^{\frac{1}{3}}}{{\text{R}}_{\text{Al}}}\]
  done clear
  View Answer play_arrow

• question_answer44) If in a p-n junction, a square input signal of 10 V is applied as shown, then the output across \[{{R}_{L}}\] will be                                                                                                         
  A)
  
  done clear
  B)
                                
  done clear
  C)
  
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer45) Which logic gate is represented by the following combination of logic gates?                      
  A)
   OR                        
  done clear
  B)
   NAND 
  done clear
  C)
   AND                     
  done clear
  D)
   NOR
  done clear
  View Answer play_arrow

• question_answer46) Which of the following species contains equal number of \[\sigma \] and \[\pi \]-bonds?                             
  A)
   \[HCO_{3}^{-}\]              
  done clear
  B)
   \[Xe{{O}_{4}}\]               
  done clear
  C)
   \[{{(CN)}_{2}}\]              
  done clear
  D)
   \[C{{H}_{2}}{{(CN)}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer47) The species \[Ar,{{K}^{+}}\] and \[C{{a}^{2+}}\] contain the same number of electrons. In which order do their radii increase?            
  A)
           \[Ar+{{K}^{+}}<C{{a}^{2+}}\]                    
  done clear
  B)
   \[C{{a}^{2+}}<Ar<{{K}^{+}}\]
  done clear
  C)
          \[C{{a}^{2+}}<{{K}^{+}}<Ar\]
  done clear
  D)
         \[{{K}^{+}}<Ar<C{{a}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer48) The function of Sodium pump is a biological process operating in each and every cell of all animals. Which of the following biologically important ions is also a constituent of this pump?                 
  A)
   \[C{{a}^{2+}}\]  
  done clear
  B)
   \[M{{g}^{2+}}\]              
  done clear
  C)
   \[{{K}^{+}}\]    
  done clear
  D)
   \[F{{e}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer49) Metals are usually not found as nitrates in their ores. Out of the following two (a and b) reasons which is/are true for the above observation?

  I. Metal nitrates are highly unstable.

  II. Metal nitrates are highly soluble in water.

  A)
  I and II are true                                
  done clear
  B)
  I and II are false                               
  done clear
  C)
  I is false but II is true      
  done clear
  D)
  I is true but II is false
  done clear
  View Answer play_arrow

• question_answer50) Solubility of the alkaline earth's metal sulphates in water decreases in the sequence      
  A)
   \[Mg>Ca>Sr>Ba\]          
  done clear
  B)
   \[Ca>Sr>Ba>Mg\]
  done clear
  C)
          \[Sr>Ca>Mg>Ba\]
  done clear
  D)
          \[Ba>Mg>Sr>Ca\]
  done clear
  View Answer play_arrow

• question_answer51) Because of lanthanoid contraction, which of the following pairs of elements have nearly same atomic radii? (Numbers in the parenthesis are atomic numbers).                                                                              
  A)
   \[Ti(22)and\,Zr(40)\]   
  done clear
  B)
   \[Zr(40)and\,Nb(41)\]
  done clear
  C)
          \[Zr(40)and\,Hf\,(72)\]
  done clear
  D)
          \[Zr(40)and\,Ta(73)\]
  done clear
  View Answer play_arrow

• question_answer52) Which of the following processes does not involve oxidation of iron?                                     
  A)
   Rusting of iron sheets
  done clear
  B)
   Decolourisation of blue \[CuS{{O}_{4}}\] solution by iron
  done clear
  C)
   Formation of \[Fe{{(CO)}_{5}}\] from Fe
  done clear
  D)
   Liberation of Hg from steam by iron a high temperature
  done clear
  View Answer play_arrow

• question_answer53) Which of the following pairs of ions are isoelectronic and isostructural?                                 
  A)
   \[CO_{3}^{2-},SO_{3}^{2-}\]                     
  done clear
  B)
   \[ClO_{3}^{-},\,CO_{3}^{2-}\]
  done clear
  C)
                          \[SO_{3}^{2-},NO_{3}^{-}\]    
  done clear
  D)
   \[ClO_{3}^{-},SO_{3}^{2-}\]
  done clear
  View Answer play_arrow

• question_answer54) Which of the following options represents the correct bond order?                                        
  A)
   \[O_{2}^{-}>{{O}_{2}}>O_{2}^{+}\]      
  done clear
  B)
   \[O_{2}^{-}<{{O}_{2}}<O_{2}^{+}\]
  done clear
  C)
                                          \[O_{2}^{-}>{{O}_{2}}<O_{2}^{+}\]    
  done clear
  D)
          \[O_{2}^{-}<{{O}_{2}}>O_{2}^{+}\]                
  done clear
  View Answer play_arrow

• question_answer55) Nitrogen dioxide and sulphur dioxide have some properties in common. Which property is shown by one of these compounds, but not by the other?                                                                                         
  A)
   Forms' acid-rain              
  done clear
  B)
   Is a reducing agent        
  done clear
  C)
   Is soluble in water         
  done clear
  D)
   Is used as a food-preservative
  done clear
  View Answer play_arrow

• question_answer56) Maximum bond angle at nitrogen is present in which of the following?                                 
  A)
   \[N{{O}_{2}}\]   
  done clear
  B)
          \[NO_{2}^{-}\]
  done clear
  C)
   \[NO_{2}^{+}\]               
  done clear
  D)
   \[NO_{3}^{-}\]
  done clear
  View Answer play_arrow

• question_answer57)                Magnetic moment 2.84 BM is given by (At. no. \[Ni=28,\,Ti=22,\,Cr=24,\,Co=27\])           
  A)
   \[N{{i}^{2+}}\] 
  done clear
  B)
   \[T{{i}^{3+}}\]                  
  done clear
  C)
   \[C{{r}^{3+}}\] 
  done clear
  D)
   \[C{{O}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer58) Cobalt (III) chloride forms several octahedral complexes with ammonia. Which of the following will not give test for chloride ions with silver nitrate at \[{{25}^{\text{o}}}C\]?                                                                             
  A)
  \[CoC{{l}_{3}}.3N{{H}_{3}}\]      
  done clear
  B)
   \[CoC{{l}_{3}}.\,4N{{H}_{3}}\]
  done clear
  C)
          \[CoC{{l}_{3}}.5N{{H}_{3}}\]      
  done clear
  D)
          \[CoC{{l}_{3}}.6N{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer59) Which of these statements about \[{{[Co{{(CN)}_{6}}]}^{3-}}\] is true?                                                                 
  A)
   \[{{[Co{{(CN)}_{6}}]}^{3-}}\]has no unpaired electrons and will be in a low-spin configuration.
  done clear
  B)
   \[{{[Co{{(CN)}_{6}}]}^{3-}}\] has four unpaired electrons and will be in a low-spin configuration.
  done clear
  C)
   \[{{[Co{{(CN)}_{6}}]}^{3-}}\] has four unpaired electrons and will be in a high-spin configuration.
  done clear
  D)
   \[{{[Co{{(CN)}_{6}}]}^{3-}}\] has no unpaired electrons and will be in a high-spin configuration.
  done clear
  View Answer play_arrow

• question_answer60) The activation energy of a reaction can be determined from the slope of which of the following graphs?              
  A)
   In \[K\,vsT\]                     
  done clear
  B)
   \[\frac{\text{ln}K}{T}vsT\]         
  done clear
  C)
          In \[Kvs\frac{l}{t}\]        
  done clear
  D)
          \[\frac{T}{\ln \,k}vs\frac{l}{T}\]
  done clear
  View Answer play_arrow

• question_answer61) Which one is not equal to zero for an ideal solution?                                                                      
  A)
   \[\Delta {{H}_{mix}}\]                  
  done clear
  B)
   \[\Delta {{S}_{mix}}\]   
  done clear
  C)
                          \[\Delta {{V}_{mix}}\]                  
  done clear
  D)
   \[\Delta P={{P}_{observed}}-\,{{P}_{Raoult}}\]           
  done clear
  View Answer play_arrow

• question_answer62) A mixture of gases contains \[{{H}_{2}}\] and \[{{O}_{2}}\] gases in the ratio of 1 : 4 (w/w). What is the molar ratio of the two gases in the mixture?                                                                                                                                   
  A)
   1 : 4      
  done clear
  B)
   4 : 1      
  done clear
  C)
   16 : 1    
  done clear
  D)
   2 : 1
  done clear
  View Answer play_arrow

• question_answer63) A given metal crystallizes out with a cubic structure having edge length of 361 pm. If there are four metal atoms in one unit cell, what is the radius of one atom?                                                                             
  A)
   40 pm                  
  done clear
  B)
   127 pm               
  done clear
  C)
          80 pm 
  done clear
  D)
          108 pm
  done clear
  View Answer play_arrow

• question_answer64) When initial concentration of a reactant is doubled in a reaction, its half-life period is not affected. The order of the reaction is                                                                                                                                          
  A)
   zero                                     
  done clear
  B)
   first                      
  done clear
  C)
          second
  done clear
  D)
          more than zero but less than first
  done clear
  View Answer play_arrow

• question_answer65) If the value of an equilibrium constant for a particular reaction is \[1.6\times {{10}^{12}}\], then at equilibrium the system will contain                                                                                                                                                                         
  A)
   all reactants                      
  done clear
  B)
   mostly reactants            
  done clear
  C)
   mostly products             
  done clear
  D)
   similar amounts of reactants and products
  done clear
  View Answer play_arrow

• question_answer66) A device that converts energy of combustion of fuels like hydrogen and methane, directly into electrical energy is known as                                                                                                                                                            
  A)
   fuel cell             
  done clear
  B)
   electrolytic cell                
  done clear
  C)
   dynamo             
  done clear
  D)
          Ni-Cd cell
  done clear
  View Answer play_arrow

• question_answer67) The boiling point of \[0.2\,\,mol\,\,k{{g}^{-1}}\] solution of X in water is greater than equimolal solution of Y in water. Which one of the following statements is true in this case?                                                                         
  A)
   X is undergoing dissociation in water.
  done clear
  B)
   Molecular mass of X is greater than the molecular mass of V.
  done clear
  C)
   Molecular mass of X is less than the molecular mass of V.
  done clear
  D)
   V is undergoing dissociation in water while X undergoes no change,
  done clear
  View Answer play_arrow

• question_answer68) Which one of the following electrolytes has the same value of van't Hoffs factor (2) as that of \[A{{l}_{2}}{{\left( S{{O}_{4}} \right)}_{3}}\] (if all are 100% ionized)?                                                                                                                                           
  A)
   \[{{K}_{2}}S{{O}_{4}}\]                
  done clear
  B)
   \[{{K}_{3}}[Fe{{(CN)}_{6}}]\]
  done clear
  C)
                          \[Al{{(N{{O}_{3}})}_{3}}\]         
  done clear
  D)
          \[{{K}_{4}}[Fe{{(CN)}_{6}}]\]
  done clear
  View Answer play_arrow

• question_answer69) The number of d-electrons in \[F{{e}^{2+}}\,(Z=26)\] is not equal to the number of electrons in which one of the following?                                                                                                                                                          
  A)
   s-electrons in \[Mg(Z=12)\]
  done clear
  B)
   p-electrons in \[Cl(Z=17)\]
  done clear
  C)
   d-electrons in \[Fe(Z=26)\]
  done clear
  D)
   p-electrons in \[Ne(Z=10)\]
  done clear
  View Answer play_arrow

• question_answer70) The correct bond order in the following species is                                                                            
  A)
   \[O_{2}^{2+}>O_{2}^{+}>O_{2}^{-}\]                   
  done clear
  B)
   \[O_{2}^{2+}<O_{2}^{-}<O_{2}^{+}\]   
  done clear
  C)
   \[O_{2}^{+}>O_{2}^{-}<O_{2}^{2+}\]  
  done clear
  D)
          \[O_{2}^{-}<O_{2}^{+}>O_{2}^{2+}\]
  done clear
  View Answer play_arrow

• question_answer71) The angular momentum of electrons in d orbital is equal to                                                         
  A)
   \[\sqrt{6}h\]   
  done clear
  B)
          \[\sqrt{2}h\]    
  done clear
  C)
   \[2\sqrt{3}h\]                  
  done clear
  D)
   \[0h\]
  done clear
  View Answer play_arrow

• question_answer72) The \[{{K}_{sp}}\] of \[A{{g}_{2}}Cr{{O}_{4}},\,AgCl,\,AgBr\] and \[AgI\] are respectively, \[1.1\times {{10}^{-12}},1.8\times {{10}^{-10}}\] \[5.0\times {{10}^{-13}},8.3\times {{10}^{-17}}\]. Which one of the following salts will precipitate last if \[AgN{{O}_{3}}\]solution is added to the solution containing equal moles of \[NaCl,NaBr,NaI\] and \[N{{a}_{2}}CrC{{O}_{4}}\]?                                                                       
  A)
   \[Agl\]                
  done clear
  B)
   \[AgCl\]              
  done clear
  C)
   \[AgBr\]             
  done clear
  D)
   \[A{{g}_{2}}Cr{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer73) Which property of colloidal solution is independent of charge on the colloidal particles?
  A)
  Coagulation                       
  done clear
  B)
  Electrophoresis
  done clear
  C)
         Electroosmosis  
  done clear
  D)
         Tyndall effect
  done clear
  View Answer play_arrow

• question_answer74) Which of the following statements is correct for a reversible process in a state of equilibrium?                                  
  A)
   \[\Delta G=-2.30RT\,\log K\]
  done clear
  B)
   \[\Delta G=2.30RT\,\log K\]
  done clear
  C)
   \[\Delta {{G}^{{}^\circ }}=-2.30RT\,\log K\]
  done clear
  D)
   \[\Delta {{G}^{{}^\circ }}=2.30RT\,\log K\]
  done clear
  View Answer play_arrow

• question_answer75) Bithional is generally added to the soaps as an additive to function as a/an
  A)
                                                                                                                                                                           softener                            
  done clear
  B)
   dryer   
  done clear
  C)
          buffering agent  
  done clear
  D)
          antiseptic
  done clear
  View Answer play_arrow

• question_answer76) The electrolytic reduction of nitrobenzene in strongly acidic medium produces
  A)
           p-aminophenol               
  done clear
  B)
   azoxybenzene
  done clear
  C)
          azobenzene        
  done clear
  D)
          aniline
  done clear
  View Answer play_arrow

• question_answer77) In Duma's method for estimation of nitrogen, 0.25g of an organic compound gave 40 mL of nitrogen collected at 300 K temperature and 725 mm pressure. If the aqueous tension at 300 K is 25 mm, the percentage of nitrogen in the compound is                                                                                                                     
  A)
   17. 36          
  done clear
  B)
   18.20   
  done clear
  C)
   16.76              
  done clear
  D)
   15.76
  done clear
  View Answer play_arrow

• question_answer78) In which of the following compounds, the \[C-Cl\] bond ionization shall give most stable carbonium ion?              
  A)
                                                                                                                                                                                             
  done clear
  B)
   
  done clear
  C)
                  
  done clear
  D)
                 
  done clear
  View Answer play_arrow

• question_answer79) The reaction,                                                                                                                                                     \[C{{H}_{3}}-\underset{\underset{C{{H}_{3}}}{\mathop{|}}\,}{\overset{\overset{C{{H}_{3}}}{\mathop{|}}\,}{\mathop{C}}}\,-O\,Na+C{{H}_{3}}C{{H}_{2}}Cl\xrightarrow[-NaCl]{}\]                                                                 \[C{{H}_{3}}-\underset{\underset{C{{H}_{3}}}{\mathop{|}}\,}{\overset{\overset{C{{H}_{3}}}{\mathop{|}}\,}{\mathop{C}}}\,-O+C{{H}_{2}}-C{{H}_{3}}\] is called
  A)
   Williamson synthesis
  done clear
  B)
   Williamson continuous etherification process      
  done clear
  C)
   Etard reaction
  done clear
  D)
   Gatterman-Koch reaction
  done clear
  View Answer play_arrow

• question_answer80) The reaction of \[{{C}_{6}}{{H}_{5}}CH=CHC{{H}_{3}}\] with \[HBr\] produces                                                    
  A)
  \[{{C}_{6}}{{H}_{5}}\underset{\underset{Br}{\mathop{|}}\,}{\mathop{C}}\,HC{{H}_{2}}C{{H}_{3}}\]                      
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}\underset{\underset{Br}{\mathop{|}}\,}{\mathop{C}}\,HC{{H}_{3}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}C{{H}_{2}}C{{H}_{2}}C{{H}_{2}}Br\]
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer81) A single compound of the structure is                                                                                                    obtainable from ozonolysis of which of the following cyclic compounds?
  A)
           
  done clear
  B)
   
  done clear
  C)
          
  done clear
  D)
         
  done clear
  View Answer play_arrow

• question_answer82) Treatment of cyclopentanone  with methyl lithium gives which of the following species?
  A)
                                                                                                                                                                           Cyclopentanonyl anion
  done clear
  B)
   Cyclopentanonyl cation
  done clear
  C)
   Cyclopentanonyl radical
  done clear
  D)
   Cyclopentanonyl biradical
  done clear
  View Answer play_arrow

• question_answer83) Consider the following compounds                                                                                                        

  (i)

  (ii) \[Ph-\overset{\begin{smallmatrix}  Ph \\  | \end{smallmatrix}}{\mathop{\underset{\centerdot }{\mathop{C}}\,}}\,-Ph\]

  (iii)

  hyperconjugation occurs in
  A)
  I only                 
  done clear
  B)
  II only   
  done clear
  C)
  III only               
  done clear
  D)
  I and III
  done clear
  View Answer play_arrow

• question_answer84) Which of the following is the most correct electron displacement for a nucleophilic reaction to take place?          
  A)
                                                                                                                                                                                           
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  E)
  None of the above
  done clear
  View Answer play_arrow

• question_answer85) The enolic form of ethyl acetoacetate as below has                                                                        
  A)
   18 sigma bonds and 2 pi-bonds
  done clear
  B)
   16 sigma bonds and 1 pi-bond
  done clear
  C)
   9 sigma bonds and 2 pi-bonds
  done clear
  D)
   9 sigma bonds and 1 pi-bond
  done clear
  View Answer play_arrow

• question_answer86) Given,                                                                                                    Which of the given compounds can exhibit tautomerism?
  A)
   I and II                
  done clear
  B)
   I and III               
  done clear
  C)
   II and III              
  done clear
  D)
   I, II and III  
  done clear
  View Answer play_arrow

• question_answer87) Given, The enthalpy of hydrogenation of these compounds will be in the order as                         
  A)
  I > II > III                
  done clear
  B)
  III > II > I              
  done clear
  C)
          II > III > I              
  done clear
  D)
     II > I > III
  done clear
  View Answer play_arrow

• question_answer88) Biodegradable polymer which can be produced from glycine and aminocapric acid is       
  A)
   nylon 2-nylon 6               
  done clear
  B)
   PHBV   
  done clear
  C)
          buna-N            
  done clear
  D)
          nylon-6, 6
  done clear
  View Answer play_arrow

• question_answer89) The total number of n- bond electrons in the following structure is                                                
  A)
   4                            
  done clear
  B)
   8                            
  done clear
  C)
          12         
  done clear
  D)
   16
  done clear
  View Answer play_arrow

• question_answer90) An organic compound X having molecular formula \[{{C}_{5}}{{H}_{10}}O\] yields phenyl hydrazone and gives negative response to the iodoform test and Tollen's test. It produces n-pentane on reduction. X could be
  A)
   pentanal            
  done clear
  B)
   2-pentanone
  done clear
  C)
          3-pentanone      
  done clear
  D)
          n-amyl alcohol
  done clear
  View Answer play_arrow

• question_answer91) Which one of the following matches is correct?
  A)

  Phytophthora

  Aseptate mycelium

  Basidiomycetes

  done clear
  B)

  Altemaria

  Sexual reproduction absent

  Deuteromycetes

  done clear
  C)

  Mucor

  Reproduction by conjugation

  Ascomycetes

  done clear
  D)

  Agancus

  Parasitic fungus

  Basidiomycetes

  done clear
  View Answer play_arrow

• question_answer92) Read the following five statements (I to V) and. select the option with all correct statements.                   

  I. Mosses and lichens are the first organisms to colonize a bare rock.

  II. Selaginella is a homosporous pteridophyte.

  III. Coralloid roots in Cycas have VAM.

  IV. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic.

  V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.

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

• question_answer93) In which of the following gametophyte is not independent free-living?
  A)
   Funaria               
  done clear
  B)
   Marchantia       
  done clear
  C)
          Pteris              
  done clear
  D)
          Pinus
  done clear
  View Answer play_arrow

• question_answer94) Which one of the following statements is wrong?            
  A)
   Algin and carrageenan are products of algae
  done clear
  B)
   Agar-agar is obtained from Gelidium and Gracilaria
  done clear
  C)
   Chlorella and Spirulina are used as space food
  done clear
  D)
   Mannitol is stored food in Rhodophyceae
  done clear
  View Answer play_arrow

• question_answer95) The guts of cow and buffalo possess                      
  A)
    Fucus sp                            
  done clear
  B)
   Chlorella sp                                       
  done clear
  C)
   methanogens  
  done clear
  D)
   cyanobacteria
  done clear
  View Answer play_arrow

• question_answer96) Male gametes are flagellated in                               
  A)
   Polysiphonia   
  done clear
  B)
          Anabaena         
  done clear
  C)
          Ectocarpus        
  done clear
  D)
          Spirogyra
  done clear
  View Answer play_arrow

• question_answer97) Vascular bundles in monocotyledons are considered closed because
  A)
   a bundle  surrounds each bundle
  done clear
  B)
   cambium is absent
  done clear
  C)
   there are no vessels with perforations
  done clear
  D)
   xylem is surrounded ail around by phloem
  done clear
  View Answer play_arrow

• question_answer98)  is the floral formula of          
  A)
   Allium                 
  done clear
  B)
   Sesbania            
  done clear
  C)
   Petunia             
  done clear
  D)
   Brassica
  done clear
  View Answer play_arrow

• question_answer99) A major characteristic of the monocot root is the presence of
  A)
   open vascular bundles
  done clear
  B)
   scattered vascular bundles
  done clear
  C)
   vasculature without cambium
  done clear
  D)
   cambium sandwiched between phloem and xylem along the radius
  done clear
  View Answer play_arrow

• question_answer100) Keel is the characteristic feature of flower of     
  A)
  tulip              
  done clear
  B)
  Indigofera          
  done clear
  C)
   Aloe                
  done clear
  D)
   tomato
  done clear
  View Answer play_arrow

• question_answer101) Perigynous flowers are found in                                              
  A)
   guava                  
  done clear
  B)
   cucumber          
  done clear
  C)
          China rose                         
  done clear
  D)
   rose
  done clear
  View Answer play_arrow

• question_answer102) Leaves become modified into spines in                
  A)
   Opuntia
  done clear
  B)
                         pea      
  done clear
  C)
          onion                  
  done clear
  D)
          silk cotton
  done clear
  View Answer play_arrow

• question_answer103) The structures that are formed by stacking of organized flattened membranous sacs in the chloroplasts are
  A)
   cristae                 
  done clear
  B)
   grana   
  done clear
  C)
          stroma lamellae
  done clear
  D)
          stroma
  done clear
  View Answer play_arrow

• question_answer104) The chromosomes in which centromere is situated close to one end are                                                                              
  A)
   metacentric                      
  done clear
  B)
   acrocentric        
  done clear
  C)
          telocentric          
  done clear
  D)
          sub-metacentric
  done clear
  View Answer play_arrow

• question_answer105) Select the correct matching in the following pairs.                                                                           
  A)
   Smooth ER-Oxidation of phospholipids
  done clear
  B)
   Smooth ER-Synthesis of lipids
  done clear
  C)
   Rough ER-Synthesis of glycogen
  done clear
  D)
   Rough ER-Oxidation of fatty acids
  done clear
  View Answer play_arrow

• question_answer106) True nucleus is absent in                                                                                                                             
  A)
   Anabaena                         
  done clear
  B)
   Mucor 
  done clear
  C)
          Vaucheria          
  done clear
  D)
          Volvox
  done clear
  View Answer play_arrow

• question_answer107) Which one of the following is not an inclusion body found in prokaryotes?                          
  A)
   Phosphate granule        
  done clear
  B)
   Cyanophycean granule
  done clear
  C)
   Glycogen granule
  done clear
  D)
          Polysome
  done clear
  View Answer play_arrow

• question_answer108) Transpiration and root pressure cause water to rise in plants by                                                
  A)
  pulling it upward
  done clear
  B)
   pulling and pushing it, respectively
  done clear
  C)
   pushing it upward
  done clear
  D)
   pushing and pulling it, respectively
  done clear
  View Answer play_arrow

• question_answer109) Minerals known to be required in large amounts for plant growth include                            
  A)
   phosphorus, potassium, sulphur, calcium
  done clear
  B)
   calcium, magnesium, manganese, copper
  done clear
  C)
   potassium, phosphorus, selenium, boron
  done clear
  D)
   magnesium, sulphur, iron, zinc
  done clear
  View Answer play_arrow

• question_answer110) What causes a green plant exposed to the light on only one side, to bend toward the source of light as it grows?
  A)
   Green plants need light to perform photosynthesis
  done clear
  B)
   Green plants seek light because they are phototropic
  done clear
  C)
   Light stimulates plant cells on the lighted side to grow faster
  done clear
  D)
   Auxin accumulates on the shaded side, stimulating greater cell elongation there
  done clear
  View Answer play_arrow

• question_answer111) In a ring girdled plant                                                                                                                                     
  A)
   the shoot dies first
  done clear
  B)
   the root dies first
  done clear
  C)
   the shoot and root die together
  done clear
  D)
   Neither root nor shoot will die
  done clear
  View Answer play_arrow

• question_answer112) Typical growth curve in plants is                               
  A)
   sigmoid              
  done clear
  B)
   linear   
  done clear
  C)
          stair-steps shaped         
  done clear
  D)
   parabolic
  done clear
  View Answer play_arrow

• question_answer113) Which one gives the most valid and recent explanation for stomatal movements?                                           
  A)
           Transpiration
  done clear
  B)
   Potassium influx and efflux
  done clear
  C)
   Starch hydrolysis
  done clear
  D)
   Guard cell photosynthesis
  done clear
  View Answer play_arrow

• question_answer114) The hilum is a scar on the                                            
  A)
   seed, where funicle was attached
  done clear
  B)
   fruit, where it was attached to pedicel
  done clear
  C)
   fruit, where style was present
  done clear
  D)
   seed, where micropyle was present
  done clear
  View Answer play_arrow

• question_answer115) Which one of the following may require pollinators, but is genetically similar to autogamy?                         
  A)
   Geitonogamy                  
  done clear
  B)
   Xenogamy        
  done clear
  C)
          Apogamy         
  done clear
  D)
          Cleistogamy
  done clear
  View Answer play_arrow

• question_answer116) Which one of the following statements is not true?
  A)
   Pollen grains are rich in nutrients and they are used in the form of tablets and syrups
  done clear
  B)
   Pollen grains of some plants cause severe allergies and bronchial afflictions in some people
  done clear
  C)
   The flowers pollinated by flies and bats secrete foul odour to attract them
  done clear
  D)
   Honey is made by bees by digesting pollen collected from flowers
  done clear
  View Answer play_arrow

• question_answer117) Transmission tissue is characteristic feature of  
  A)
  hollow style       
  done clear
  B)
  solid style           
  done clear
  C)
   dry stigma         
  done clear
  D)
   wet stigma
  done clear
  View Answer play_arrow

• question_answer118) In ginger vegetative propagation occurs through              
  A)
   rhizome      
  done clear
  B)
   offsets
  done clear
  C)
   bulbils                 
  done clear
  D)
   runners
  done clear
  View Answer play_arrow

• question_answer119) Which of the following are the important floral rewards to the animal pollinators?                                           
  A)
   Colour and large size of flower
  done clear
  B)
   Nectar and pollen grains
  done clear
  C)
   Floral fragrance and calcium crystals
  done clear
  D)
   Protein pellicle and stigmatic exudates
  done clear
  View Answer play_arrow

• question_answer120) How many pairs of contrasting characters in pea plants were studied by Mendel in his experiments?     
  A)
   Five      
  done clear
  B)
   Six        
  done clear
  C)
   Eight   
  done clear
  D)
   Seven
  done clear
  View Answer play_arrow

• question_answer121) Which is the most common mechanism of genetic variation in the population of a sexually reproducing organism?
  A)
   Transduction
  done clear
  B)
   Chromosomal aberrations
  done clear
  C)
   Genetic drift
  done clear
  D)
   Recombination
  done clear
  View Answer play_arrow

• question_answer122) A technique of micropropagation is                        
  A)
   somatic hybridisation
  done clear
  B)
   somatic embryogenesis
  done clear
  C)
   protoplast fusion
  done clear
  D)
   embryo rescue
  done clear
  View Answer play_arrow

• question_answer123) The movement of a gene from one linkage group to another is called
  A)
   inversion                           
  done clear
  B)
   duplication                        
  done clear
  C)
   translocation      
  done clear
  D)
          crossing over
  done clear
  View Answer play_arrow

• question_answer124) Multiple alleles are present                                        
  A)
   on different chromosomes
  done clear
  B)
   at different loci on the same chromosome
  done clear
  C)
   at the same locus of the chromosome
  done clear
  D)
   on non-sister chromatids
  done clear
  View Answer play_arrow

• question_answer125) Which body of the Government of India regulates GM research and safety of introducing GM organisms for public services?
  A)
   Bio-safety committee
  done clear
  B)
   Indian Council of Agricultural Research
  done clear
  C)
   Genetic Engineering Approval Committee
  done clear
  D)
   Research Committee on Genetic Manipulation
  done clear
  View Answer play_arrow

• question_answer126) In Bt cotton, the Bt toxin present in plant tissue as pro-toxin is converted into active toxin due to                            
  A)
   alkaline pH of the insect gut
  done clear
  B)
   acidic pH of the insect gut
  done clear
  C)
   action of gut microorganisms
  done clear
  D)
   presence of conversion factors in insect gut
  done clear
  View Answer play_arrow

• question_answer127) The crops engineered for glyphosate are resistant/tolerant to
  A)
   fungi    
  done clear
  B)
   bacteria              
  done clear
  C)
   insects
  done clear
  D)
   herbicides
  done clear
  View Answer play_arrow

• question_answer128) DNA is not present in                                                    
  A)
   chloroplast                        
  done clear
  B)
   ribosomes         
  done clear
  C)
   nucleus         
  done clear
  D)
          mitochondria
  done clear
  View Answer play_arrow

• question_answer129) Which of the following enhances or induces fusion of protoplasts?
  A)
   Sodium chloride and potassium chloride
  done clear
  B)
   Polyethylene glycol and sodium nitrate
  done clear
  C)
   IAA and kinetin
  done clear
  D)
   IAA and gibberellins
  done clear
  View Answer play_arrow

• question_answer130) The UN Conference of Parties on climate change in the year 2011 was held in                                    
  A)
   Poland                                
  done clear
  B)
   South Africa                     
  done clear
  C)
   Peru                    
  done clear
  D)
          Qatar
  done clear
  View Answer play_arrow

• question_answer131) Vertical distribution of different species occupying different levels in a biotic community is known as     
  A)
  divergence          
  done clear
  B)
  stratification      
  done clear
  C)
          zonation            
  done clear
  D)
          pyramid
  done clear
  View Answer play_arrow

• question_answer132) In which of the following both pairs have correct combination?
  A)
   In situ conservation/National park Ex situ conservation/Botanical garden
  done clear
  B)
   In situ conservation/Cryopreservation Ex situ conservation/Wildlife sanctuary
  done clear
  C)
   In situ conservation/Seed bank Ex situ conservation/National park
  done clear
  D)
   In situ conservation/Tissue culture Ex situ conservation/Sacred groves
  done clear
  View Answer play_arrow

• question_answer133) Secondary succession takes place on/in               
  A)
   bara rock                           
  done clear
  B)
   degraded forest             
  done clear
  C)
   newly created pond     
  done clear
  D)
   newly cooled lava
  done clear
  View Answer play_arrow

• question_answer134) The mass of living material at a tropic level at a particular time is called
  A)
   gross primary productivity
  done clear
  B)
   standing state
  done clear
  C)
   net primary productivity
  done clear
  D)
   standing crop
  done clear
  View Answer play_arrow

• question_answer135) In an ecosystem the rate of production of organic matter during photosynthesis is termed as                    
  A)
   net primary productivity
  done clear
  B)
   gross primary productivity
  done clear
  C)
   secondary productivity
  done clear
  D)
   net productivity
  done clear
  View Answer play_arrow

• question_answer136) Which of the following characteristics is mainly responsible for diversification of insects on land                
  A)
           Segmentation                 
  done clear
  B)
   Bilateral symmetry        
  done clear
  C)
   Exoskeleton        
  done clear
  D)
          Eyes
  done clear
  View Answer play_arrow

• question_answer137) Which of the following endoparasites of humans does show viviparity?
  A)
   Ancylostoma duodenale
  done clear
  B)
   Enterobius vermicularis
  done clear
  C)
   Trichinella spiralis
  done clear
  D)
   Ascaris lumbricoides
  done clear
  View Answer play_arrow

• question_answer138) Which of the following represent the correct combination without any exception?                         
  A)
                         

  Characteristic	Class
  Mammary gland; hair on body; pinnae; two pairs of limbs	Mammalia,

  done clear
  B)

  Characteristic	Class
  Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord	Chondrichthyes

  done clear
  C)

  Characteristic	Class
  Sucking and circular mouth; jaws absent integument without scales; paired appendages	Cyclostomata

  done clear
  D)

  Characteristic	Class
  Body covered with feathers; skin moist and glandular; lungs with air sacs fore limbs from wings;	Aves

  done clear
  View Answer play_arrow

• question_answer139) Which of the following animals is not viviparous?             
  A)
   Flying fox (bat)                
  done clear
  B)
   Elephant            
  done clear
  C)
          Platypus            
  done clear
  D)
          Whale
  done clear
  View Answer play_arrow

• question_answer140) Erythropoiesis starts in                                                 
  A)
  kidney                 
  done clear
  B)
  liver                      
  done clear
  C)
          spleen             
  done clear
  D)
          red bone marrow
  done clear
  View Answer play_arrow

• question_answer141) The terga sterna and pleura of cockroach body are joined by
  A)
   cementing glue
  done clear
  B)
   muscular tissue
  done clear
  C)
   arthrodial membrane
  done clear
  D)
   cartilage
  done clear
  View Answer play_arrow

• question_answer142) Nuclear envelope is derivative of                            
  A)
   smooth endoplasmic reticulum
  done clear
  B)
   membrane of Golgi complex
  done clear
  C)
   microtubules
  done clear
  D)
   rough endoplasmic reticulum
  done clear
  View Answer play_arrow

• question_answer143) Cytochromes are found in                                          
  A)
   matrix of mitochondria
  done clear
  B)
   outer wall of mitochondria
  done clear
  C)
   cristae of mitochondria
  done clear
  D)
   lysosomes
  done clear
  View Answer play_arrow

• question_answer144) Which one of the following statements is incorrect?
  A)
   A competitive inhibitor reacts reversibly with the enzyme to form an enzyme-inhibitor.
  done clear
  B)
   In competitive inhibition the inhibitor molecule is not chemically changed by the enzyme.
  done clear
  C)
   The competitive inhibitor does not affect the rate of breakdown of the enzyme-substrate complex.
  done clear
  D)
   The presence of the competitive inhibitor decreases the km of the enzyme for the substrate.
  done clear
  View Answer play_arrow

• question_answer145) Match the following column I with column II.                     

  Column I	Column II
  A. Synapsis aligns homologous chromosomes.	1. Anaphase-II
  B. Synthesis of RNA and protein	2. Zygotene
  C. Action of enzyme recombinase	3. \[{{G}_{2}}\]-phase
  D. Centromeres do not separate but chromatids move towards opposite poles.	4. Anaphase-I
  	5. Pachytene

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

• question_answer146) A somatic cell that has just completed the S-phase of its cell cycle, as compared to gamete of the same species has
  A)
   twice the number of chromosomes and twice the amount of DNA
  done clear
  B)
   same number of chromosomes but twice the amount of DNA
  done clear
  C)
   twice the number of chromosomes and four times the amount of DNA
  done clear
  D)
   four times the number of chromosomes and twice the amount of DNA
  done clear
  View Answer play_arrow

• question_answer147) Which of the following statement is not correct?
  A)
   Brunners glands are present in the submucosa of stomach and secrete pepsinogen
  done clear
  B)
   Goblet cells are present in the mucosa of intestine and secrete mucus
  done clear
  C)
   Oxyntic cells are present in the mucosa of stomach and secrete \[HCl\].
  done clear
  D)
   Acini are present in the pancreas and secrete carboxypeptidase
  done clear
  View Answer play_arrow

• question_answer148) Gastric juice of infants contains                                
  A)
   maltase, pepsinogen, rennin
  done clear
  B)
   nuclease, pepsinogen, lipase
  done clear
  C)
   pepsinogen, lipase, rennin
  done clear
  D)
   amylase, rennin, pepsinogen
  done clear
  View Answer play_arrow

• question_answer149) When you hold your breath which of the following gas changes in blood would first lead to the urge to breathe?
  A)
   Falling \[{{O}_{2}}\] concentration
  done clear
  B)
   Rising \[C{{O}_{2}}\] concentration
  done clear
  C)
   Falling \[C{{O}_{2}}\] concentration
  done clear
  D)
   Rising \[C{{O}_{2}}\] and falling \[{{O}_{2}}\] concentration         
  done clear
  View Answer play_arrow

• question_answer150) Blood pressure in the mammalian aorta is maximum during
  A)
   systole of the left atrium
  done clear
  B)
   diastole of the right ventricle                      
  done clear
  C)
   systole of the left ventricle
  done clear
  D)
   diastole of the right atrium
  done clear
  View Answer play_arrow

• question_answer151) Which one of the following is correct?                   
  A)
   Plasma = Blood - Lymphocytes
  done clear
  B)
   Serum = Blood + Fibrinogen
  done clear
  C)
   Lymph = Plasma + RBC + WBC
  done clear
  D)
   Blood = Plasma + RBC + WBC + Platelets
  done clear
  View Answer play_arrow

• question_answer152) Removal of proximal convoluted tubule from the nephron will result in                                
  A)
           more diluted urine
  done clear
  B)
   more concentrated urine
  done clear
  C)
   no change in quality and quantity of urine
  done clear
  D)
   no urine formation
  done clear
  View Answer play_arrow

• question_answer153) Sliding filament theory can be best explained as               
  A)
   when myofilaments slide pass each other actin filaments shorten while myosin filament do not shorten
  done clear
  B)
   actin and myosin filaments shorten and slide pass each other
  done clear
  C)
   actin and myosin filaments do not shorten but rather slide pass each other
  done clear
  D)
   when myofilament slide pass each other myosin filament shorten while actin filaments do not shorten
  done clear
  View Answer play_arrow

• question_answer154) Glenoid cavity articulates
  A)
   clavicle with acromion
  done clear
  B)
   scapula with acromion
  done clear
  C)
   clavicle with scapula
  done clear
  D)
   humerus with scapula
  done clear
  View Answer play_arrow

• question_answer155) Which of the following regions of the brain is incorrectly paired with its function
  A)
           Medulla oblongata-Homeostatic control
  done clear
  B)
   Cerebellum-Language comprehension
  done clear
  C)
   Corpus callosum-Communication between the left and right cerebral cortices
  done clear
  D)
   Cerebrum-Calculation and contemplation
  done clear
  View Answer play_arrow

• question_answer156) A gymnast is able to balance his body upside down even in the total darkness because of
  A)
                          cochlea                                
  done clear
  B)
  vestibular apparatus
  done clear
  C)
   tectorial membrane
  done clear
  D)
   organ of Corti
  done clear
  View Answer play_arrow

• question_answer157) A chemical signal that has both endocrine and neural roles is
  A)
   melatonin                         
  done clear
  B)
   calcitonin           
  done clear
  C)
          epinephrine        
  done clear
  D)
         cortisol
  done clear
  View Answer play_arrow

• question_answer158) Which of the following does not favour the formation of large quantities of dilute urine?                                             
  A)
  Alcohol                
  done clear
  B)
   Caffeine                             
  done clear
  C)
   Renin                
  done clear
  D)
          Atrial-natriuretic factor
  done clear
  View Answer play_arrow

• question_answer159) Capacitation refers to changes in the                     
  A)
  sperm before fertilization
  done clear
  B)
   ovum before fertilization
  done clear
  C)
   ovum after fertilization
  done clear
  D)
   sperm after fertilization
  done clear
  View Answer play_arrow

• question_answer160) Which of these is not an important component of initiation of parturition in humans?    
  A)
           Increase in oestrogen and progesterone ratio
  done clear
  B)
   Synthesis of prostaglandins
  done clear
  C)
   Release of oxytocin
  done clear
  D)
   Release of prolactin
  done clear
  View Answer play_arrow

• question_answer161) Which of the following viruses is not transferred through semen of an infected male?   
  A)
                           Hepatitis-B virus
  done clear
  B)
   Human immunodeficiency virus
  done clear
  C)
   Chikungunya virus
  done clear
  D)
   Ebola virus
  done clear
  View Answer play_arrow

• question_answer162) Which of the following cells during gametogenesis is normally diploid?
  A)
   Primary polar body  
  done clear
  B)
   Spermatid
  done clear
  C)
   Spermatogonia  
  done clear
  D)
          Secondary polar body
  done clear
  View Answer play_arrow

• question_answer163) Hysterectomy is surgical removal of                       
  A)
   uterus                 
  done clear
  B)
   prostate gland 
  done clear
  C)
   vas deference    
  done clear
  D)
          mammary glands
  done clear
  View Answer play_arrow

• question_answer164) Which of the following is not a sexually transmitted disease?
  A)
   Syphilis
  done clear
  B)
   Acquired Immuno Deficiency Syndrome (AIDS)
  done clear
  C)
   Trichomoniasis
  done clear
  D)
   Encephalitis
  done clear
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• question_answer165) An abnormal human baby with XXX sex chromosomes was born due to                                                
  A)
   formation of abnormal sperms in the father
  done clear
  B)
   formation of abnormal ova in the mother
  done clear
  C)
   fusion of two ova and one sperm
  done clear
  D)
   fusion of two sperms and one ovum
  done clear
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• question_answer166) Alleles are                                                                          
  A)
   different phenotype
  done clear
  B)
   true breeding homozygotes
  done clear
  C)
   different molecular forms of a gene
  done clear
  D)
   heterozygotes
  done clear
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• question_answer167) A man with blood group A marries a woman with blood group B. What are all the possible blood groups of their offsprings?
  A)
  A and B                
  done clear
  B)
  A, B and AB                        
  done clear
  C)
  A, B, AB and O    
  done clear
  D)
          Only O
  done clear
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• question_answer168) Gene regulation governing lactose operon of E. coli that involves the lac I gene products is
  A)
                           positive and inducible because it can be induced by lactose
  done clear
  B)
   negative and inducible because repress or protein prevents transcription
  done clear
  C)
   negative and repressive because repress or protein prevents transcription
  done clear
  D)
   feedback inhibition because excess of \[\beta \]-galactosidase can switch off transcription
  done clear
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• question_answer169) In sea urchin DNA, which is double stranded 17% of the bases were shown to be cytosine.                                          The percentages of the other three bases expected to be present in this DNA are
  A)
   G/34%, A/24.5%, T/24.5%
  done clear
  B)
   G/17%, A/16.5%, T/32.5%
  done clear
  C)
   G/17%, A/33%, T/33%
  done clear
  D)
   G/8.5%, A/50%, T/24.5%
  done clear
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• question_answer170) Which of the following had the smallest brain capacity?
  A)
   Homo erectus
  done clear
  B)
   Homo sapiens
  done clear
  C)
   Homo neanderthalensis
  done clear
  D)
   Homo habilis
  done clear
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• question_answer171) A population will not exist in Hardy-Weinberg equilibrium if
  A)
   individuals mate selectively
  done clear
  B)
   there are no mutations
  done clear
  C)
   there is no migration
  done clear
  D)
   the population is large
  done clear
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• question_answer172) Match each disease with its correct type of vaccine.

  Column I	Column II
  A. Tuberculosis	1.Harmless virus
  B. Whooping cough	2.Inactivated toxin
  C. Diphtheria	3.Killed bacteria
  D. Polio	4.Harmless bacteria

                 
  A)
  A-2         B-1         C-3         D-4
  done clear
  B)
  A-3         B-2         C-4         D-1
  done clear
  C)
  A-4         B-3         C-2         D-1
  done clear
  D)
  A-1         B-2         C-4         D-3
  done clear
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• question_answer173) HIV that causes AIDS, first starts destroying        
  A)
   B-lymphocytes     
  done clear
  B)
   leucocytes
  done clear
  C)
   helper T-lymphocytes
  done clear
  D)
   thrombocytes
  done clear
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• question_answer174) The active form of Entamoeba histolytica feed upon
  A)
   erythrocytes mucosa and submucosa of colon
  done clear
  B)
   mucosa and submucosa of colon only
  done clear
  C)
   food in intestine
  done clear
  D)
   blood only
  done clear
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• question_answer175) High value of BOD (Biochemical Oxygen Demand) indicates that
  A)
   water is pure
  done clear
  B)
   water is highly polluted
  done clear
  C)
   water is less polluted
  done clear
  D)
   consumption of organic matter in the water is higher by the microbes
  done clear
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• question_answer176) Most animal are tree dwellers in a                          
  A)
   coniferous forest
  done clear
  B)
   thorn woodland
  done clear
  C)
   temperate deciduous forest
  done clear
  D)
   tropical rain forest
  done clear
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• question_answer177) The following graph depicts changes in two populations (A and B) of herbivores in grassy field A possible reason for these changes is that
  A)
   both plant populations in this habitat decreased
  done clear
  B)
   population-B competed more successfully for food than population-A
  done clear
  C)
   population-A produced more offspring than population-B
  done clear
  D)
   population-A consumed the members of population-B
  done clear
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• question_answer178) Cryopreservation of gametes of threatened species in viable and fertile condition can be referred to as
  A)
           in situ conservation of biodiversity
  done clear
  B)
   advanced ex situ conservation of biodiversity
  done clear
  C)
   in situ conservation by sacred groves
  done clear
  D)
   in situ cryo-conservation of biodiversity
  done clear
  View Answer play_arrow

• question_answer179) Rachel Carsons famous book Silent Spring is related to
  A)
   pesticide pollution
  done clear
  B)
   noise pollution
  done clear
  C)
   population explosion
  done clear
  D)
   ecosystem management                     
  done clear
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• question_answer180) Which of the following is not one of prime health risks associated with greater radiation through the atmosphere due to depletion of stratospheric zone?                                                        
  A)
   Increased skin cancer                          
  done clear
  B)
   Reduced immune system
  done clear
  C)
   Damage to eyes
  done clear
  D)
   Increased liver cancer                          
  done clear
  View Answer play_arrow