Solved papers for MGIMS WARDHA MGIMS WARDHA Solved Paper-2015

done MGIMS WARDHA Solved Paper-2015 Total Questions - 180

• question_answer1) A solid sphere of radius r made of a material of bulk modulus K is surrounded by a liquid in cylindrical container. The massless piston of area A floats on the surface of the liquid. If a mass m is placed on a piston to compress the liquid, then the fractional change in the radius of the sphere will be
  A)
   \[\frac{mg}{AK}\]                          
  done clear
  B)
   \[\frac{2mg}{AK}\]
  done clear
  C)
   \[\frac{3mg}{AK}\]                        
  done clear
  D)
   \[\frac{mg}{3AK}\]
  done clear
  View Answer play_arrow

• question_answer2) If a liquid is flowing through a horizontal tube, then\[p+\frac{1}{2}\rho {{V}^{2}}=\]constant. This shows that
  A)
   If\[\rho \]increases then V also increases
  done clear
  B)
  \[\rho \]and V both are constant
  done clear
  C)
   If\[\rho \]increases then V decreases
  done clear
  D)
   If\[\rho \]decreases then V also decreases
  done clear
  View Answer play_arrow

• question_answer3) .Water wets the walls of its glass container due to the fact that
  A)
   cohesive force is greater than adhesive force
  done clear
  B)
   cohesive force is equal to the adhesive force
  done clear
  C)
   adhesive force is greater than the cohesive force
  done clear
  D)
   cohesive and adhesive forces form action-reaction pair
  done clear
  View Answer play_arrow

• question_answer4) If P and Q are two non-collinear unit vectors and if\[|P+Q|=\sqrt{3},\]then the value of\[(P-Q)(2P+Q)\]will be
  A)
   1                                            
  done clear
  B)
   2     
  done clear
  C)
   \[\frac{1}{2}\]                                  
  done clear
  D)
   \[\frac{3}{2}\]
  done clear
  View Answer play_arrow

• question_answer5) A gas bubble forms an explosion under water which oscillate with a period\[T\propto {{p}^{a}}{{\rho }^{b}}{{E}^{c}},\]where p is the static pressure, p is the density of water and E is the total energy of explosion. Then, the values of q, b and c will be
  A)
   \[-\frac{5}{6},\frac{1}{2},\frac{1}{3}\]                   
  done clear
  B)
   \[\frac{2}{5},\frac{1}{3},\frac{1}{4}\]
  done clear
  C)
   \[\frac{4}{5},\frac{9}{8},\frac{1}{4}\]                     
  done clear
  D)
   \[\frac{3}{2},\frac{1}{4},\frac{5}{6}\]
  done clear
  View Answer play_arrow

• question_answer6) If a particle moves a distance\[x\]at a speed\[{{v}_{1}}\] and comes back with speed\[{{v}_{2}},\]then the average speed and average velocity during this round trip will respectively be
  A)
   \[0,{{v}_{1}}+{{v}_{2}}\]                              
  done clear
  B)
   \[\frac{2{{v}_{1}}{{v}_{2}}}{{{v}_{1}}+{{v}_{2}}},0\]
  done clear
  C)
   \[{{v}_{1}}+{{v}_{2}},0\]                              
  done clear
  D)
   \[{{v}_{1}}-{{v}_{2}},\frac{2{{v}_{1}}{{v}_{2}}}{{{v}_{1}}+{{v}_{2}}}\]
  done clear
  View Answer play_arrow

• question_answer7) On an electron in an atom both electric and gravitational forces are collinear we neglect gravitational force\[({{F}_{G}})\]in comparison to electric force\[({{F}_{E}}),\]because
  A)
   \[{{F}_{E}}>{{F}_{G}}\]                
  done clear
  B)
   \[{{F}_{N}}>{{F}_{E}}\]
  done clear
  C)
   \[{{F}_{E}}>>{{F}_{G}}\]                              
  done clear
  D)
   \[{{F}_{N}}>>{{F}_{G}}\]
  done clear
  View Answer play_arrow

• question_answer8) A metal block of mass 1 kg is resting on a frictionless horizontal plane. It is struck by a jet releasing water at a rate of 1 m/s and at a speed of 4 m/s. Then, the initial acceleration of the block will be
  A)
   \[2\text{ }m/{{s}^{2}}\]                               
  done clear
  B)
   \[\text{8 }m/{{s}^{2}}\]
  done clear
  C)
   \[\text{1 }m/{{s}^{2}}\]                               
  done clear
  D)
   \[\text{4 }m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer9) A body of mass 5 kg moves on a straight path as a function of time\[x\text{ }={{t}^{3}}-121\]. The force on the body at\[t=5s\]will be
  A)
   100 N                   
  done clear
  B)
   150 N  
  done clear
  C)
   120 N                   
  done clear
  D)
   130 N
  done clear
  View Answer play_arrow

• question_answer10) The potential energy of a certain spring when stretched through a distance\[x\]is 20 J. The amount of work that must be done on this spring to stretch it through an additional distance \[\frac{x}{2}\]will be
  A)
   20J                        
  done clear
  B)
   25J  
  done clear
  C)
   5J                                          
  done clear
  D)
   15J
  done clear
  View Answer play_arrow

• question_answer11) A flywheel of moment of inertia \[0.4\text{ }kg-{{m}^{2}}\] and radius 20 cm is free to rotate about a central axis. If a string is wrapped on its circumference and it is pulled with a force of 10 N, then the change in its angular velocity after 4 s will be
  A)
   10rad/s                               
  done clear
  B)
   20rad/s
  done clear
  C)
   40rad/s                               
  done clear
  D)
   5rad/s
  done clear
  View Answer play_arrow

• question_answer12) Three identical spheres of mass m each are placed at the corners of an equilateral triangle of side 1m. Taking one of the corners as the 2 origin, the position vector of centre of mass is
  A)
   \[\frac{1}{2}\hat{i}+\frac{\sqrt{3}}{2}\hat{j}\]                  
  done clear
  B)
   \[\frac{1}{2}\hat{i}+\frac{1}{2\sqrt{3}}\hat{j}\]
  done clear
  C)
   \[\hat{i}+\hat{j}\]                          
  done clear
  D)
   \[2\hat{i}-\hat{j}\]
  done clear
  View Answer play_arrow

• question_answer13) A lift is ascending with an acceleration simple pendulum suspended from its ceiling oscillates with a period T. The period of oscillation of pendulum when the lift is stationary will be
  A)
   \[\frac{1}{\sqrt{3}}T\]                  
  done clear
  B)
   \[T\]
  done clear
  C)
   \[2T\]                                  
  done clear
  D)
   \[\frac{2}{\sqrt{3}}T\]
  done clear
  View Answer play_arrow

• question_answer14) The driver of a truck travelling with a velocity v suddenly notice a brick wall in front of him at a distance r. How the driver avoid himself by crashing into the wall?
  A)
   By speeding up the truck
  done clear
  B)
   By applying a brake
  done clear
  C)
   By slowing down the truck
  done clear
  D)
   By taking a circular turn
  done clear
  View Answer play_arrow

• question_answer15) A stationary source emits a sound moving towards a wall with a velocity u. Speed of sound in air is v. The fractional change in the wavelength of the sound sent and the reflected sound is
  A)
   \[\frac{v+u}{v-u}\]                        
  done clear
  B)
   \[\frac{2u}{v+u}\]
  done clear
  C)
   \[\frac{2v}{v+u}\]                          
  done clear
  D)
   \[\frac{u+v}{2v}\]
  done clear
  View Answer play_arrow

• question_answer16) Mass of 1 mol of air is\[29\times {{10}^{-3}}kg\]. The speed of sound at STP will be nearly
  A)
   3325m/s             
  done clear
  B)
   340 m/s
  done clear
  C)
   320 m/s              
  done clear
  D)
   325 m/s
  done clear
  View Answer play_arrow

• question_answer17) Two wires of same material and length are stretched by the same force. Their masses are in the ratio\[4:3\]. The ratio of their elongation will be
  A)
   \[16:9\]                              
  done clear
  B)
   \[9:16\]  
  done clear
  C)
   \[4:3\]                                 
  done clear
  D)
   \[3:4\]
  done clear
  View Answer play_arrow

• question_answer18) Surface tension of a detergent solution is\[2.8\times {{10}^{-2}}N{{m}^{-1}}\]. The work done in blowing a bubble of diameter 1cm will be nearly
  A)
   \[1.24\times {{10}^{-4}}J\]                         
  done clear
  B)
   \[1.76\times {{10}^{-5}}J\]
  done clear
  C)
   \[1.8\times {{10}^{-3}}J\]                           
  done clear
  D)
   \[2.4\times {{10}^{-4}}J\]
  done clear
  View Answer play_arrow

• question_answer19) A particle executes SHM of amplitude 4 cm and time period 2 s. Then, the time taken by it to move from positive extreme position to half the amplitude is
  A)
   \[\frac{1}{3}s\]                                
  done clear
  B)
   \[\frac{1}{2}s\]
  done clear
  C)
   \[\frac{1}{4}s\]                                
  done clear
  D)
   \[2s\]
  done clear
  View Answer play_arrow

• question_answer20) An organ pipe open at one end is vibrating in second harmonic and is in resonance with another pipe open at both the ends and vibrating in second overtone. The ratio of length of two pipes is
  A)
   \[\frac{1}{2}\]                                  
  done clear
  B)
   \[\frac{1}{4}\]
  done clear
  C)
   \[\frac{3}{4}\]                                  
  done clear
  D)
   \[\frac{3}{2}\]
  done clear
  View Answer play_arrow

• question_answer21) \[n\]balls each of mass m impinge elastically each second on a surface with velocity v. The average force experienced by the surface will be
  A)
   \[2nmv\]  
  done clear
  B)
   \[nmv\]   
  done clear
  C)
   \[\frac{nmv}{2}\]                           
  done clear
  D)
   \[4nmv\]
  done clear
  View Answer play_arrow

• question_answer22) A monkey of mass 30 kg climbs on a massless rope whose breaking strength is 450 N. The rope will break if the monkey (Take\[g=10\text{ }m/{{s}^{2}}\])
  A)
   climbs up with a uniform speed of 5 m/s
  done clear
  B)
   climbs down with an acceleration\[4\text{ }m/{{s}^{2}}\]
  done clear
  C)
   climbs up with an acceleration\[\text{6 }m/{{s}^{2}}\]
  done clear
  D)
   climbs down with a uniform speed of\[\text{5 }m/{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer23) The angle to which a cyclist bends when he covers a circular path of 34.3 m in\[\sqrt{22}s\]is
  A)
   \[20{}^\circ \]                  
  done clear
  B)
   \[30{}^\circ \]   
  done clear
  C)
   \[60{}^\circ \]                                  
  done clear
  D)
   \[45{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer24) A gun of mass M fires a bullet of mass m with velocity v. Then, the recoil speed of the gun will be
  A)
   \[-\frac{m}{M}v\]                          
  done clear
  B)
   \[\frac{2m}{M}v\]
  done clear
  C)
   \[\frac{M}{m}v\]                            
  done clear
  D)
   \[\frac{2M}{m}v\]
  done clear
  View Answer play_arrow

• question_answer25) A wire suspended vertically from one of its ends is stretched by attaching a weight 100 N to the lower end. The wire stretches by 1mm. The elastic energy stored in the wire is
  A)
   0.02J                    
  done clear
  B)
   0.05J  
  done clear
  C)
   0.1 J                     
  done clear
  D)
   0.2J
  done clear
  View Answer play_arrow

• question_answer26) A circular metal plate of radius 5 cm rests on a layer of centre oil 2mm thick whose coefficient of viscosity is 15.5 dyne\[c{{m}^{-2}}s\]. The value of shearing stress when a horizontal force move the plate with a speed of 5 cm/s will be
  A)
   387.5 dyne\[c{{m}^{-2}}\]          
  done clear
  B)
   328 dyne\[c{{m}^{-2}}\]
  done clear
  C)
   250 dyne\[c{{m}^{-2}}\]              
  done clear
  D)
   428 dyne\[c{{m}^{-2}}\]
  done clear
  View Answer play_arrow

• question_answer27) The surface tension and vapour pressure of water at\[20{}^\circ C\]is\[7.28\times {{10}^{-2}}N{{m}^{-1}}\]and\[2.33\times {{10}^{3}}Pa\]respectively. The radius of the smallest spherical droplet which can form without evaporating is
  A)
   \[6.25\times {{10}^{-5}}m\]       
  done clear
  B)
   \[6.25\times {{10}^{-3}}m\]
  done clear
  C)
   \[7.45\times {{10}^{+3}}m\]                      
  done clear
  D)
   \[8.9\times {{10}^{-4}}m\]
  done clear
  View Answer play_arrow

• question_answer28) During adiabatic expansion, the volume of air increases by 4%. The percentage decrease in the pressure will be
  A)
   3.2%
  done clear
  B)
                          5.6%   
  done clear
  C)
   1.5%                    
  done clear
  D)
   4.8%
  done clear
  View Answer play_arrow

• question_answer29) A simple pendulum of length\[{{I}_{1}}\]has a time period of 2 s and another pendulum length 4 has a time -period of 1 s. Then, the time period of pendulum -having length\[{{I}_{1}}-{{I}_{2}}\]will be
  A)
   2 s                         
  done clear
  B)
   1.2 s   
  done clear
  C)
   3s                          
  done clear
  D)
   \[\sqrt{3}\,s\]
  done clear
  View Answer play_arrow

• question_answer30) Two sound waves with wavelengths 4 m and 5 m respectively each propagating in a gas with velocity 340 m/s. The number of beats per second will be
  A)
   12 Hz                                   
  done clear
  B)
   15Hz
  done clear
  C)
   17Hz                                    
  done clear
  D)
   11 Hz
  done clear
  View Answer play_arrow

• question_answer31) Capacitance of a parallel plate capacitor becomes \[\frac{3}{2}\]times its original value if a dielectric slab of thickness\[\frac{d}{2}\]is inserted between the plates, where d is the separation between the plates. The dielectric constant of the slab is
  A)
   4                                            
  done clear
  B)
   2
  done clear
  C)
   3                                            
  done clear
  D)
   1
  done clear
  View Answer play_arrow

• question_answer32) The electric potential Vat any point\[x,y,z\]in space is given by\[V=4{{x}^{2}}\]. The electric field at the point (2, 0, 1) in\[V{{m}^{-1}}\]is
  A)
   \[10\hat{j}\]                     
  done clear
  B)
   \[20\hat{j}\]  
  done clear
  C)
   \[-16\hat{j}\]                   
  done clear
  D)
   \[30\hat{j}\]
  done clear
  View Answer play_arrow

• question_answer33) The electric field in a region is given by\[E=(4\hat{i}+3\hat{j})V/m\]. The net flux passing through a square area of side 4 m parallel to 4 y-z plane is
  A)
   32 V-m                                
  done clear
  B)
   16 V-m
  done clear
  C)
   12 V-m                                
  done clear
  D)
   64 V-m
  done clear
  View Answer play_arrow

• question_answer34) The current in a wire varies with time as \[I=5{{t}^{2}}+2t,\]where I is in ampere and t is in second. The quantity of charge which has to be passed through a cross-section of wire during the times\[t=4\]to\[t=6s\]is
  A)
   220 C                   
  done clear
  B)
   340 C  
  done clear
  C)
   273.34 C                             
  done clear
  D)
   280 C
  done clear
  View Answer play_arrow

• question_answer35) Three resistances of\[2\,\Omega ,3\,\Omega \].and\[6\,\Omega \]are connected in parallel and the combination is connected in series with 2 V battery having internal resistance of\[1\,\Omega \]. The current in the battery is
  A)
   1A                                         
  done clear
  B)
   3A
  done clear
  C)
   2A                                         
  done clear
  D)
   4A
  done clear
  View Answer play_arrow

• question_answer36) An electric cable of copper has just one wire of radius 9 mm with resistance\[5\,\Omega \]. This single copper wire of cable is replaced by 4 different well insulated copper wires each of radius 3 mm. The total resistance of the cable now will be
  A)
   \[22.5\,\Omega \]                         
  done clear
  B)
   \[45\,\Omega \]
  done clear
  C)
   \[9\,\Omega \]                               
  done clear
  D)
   \[11.25\,\Omega \]
  done clear
  View Answer play_arrow

• question_answer37) A rise of temperature\[5{}^\circ C\]is observed in a conductor by passing a current. If the current is doubled the rise in temperature will be
  A)
   \[10{}^\circ C\]                                
  done clear
  B)
   \[20{}^\circ C\] 
  done clear
  C)
   \[5{}^\circ C\]                                  
  done clear
  D)
   \[25{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer38) The current density varies with radial distance r as\[j=a{{r}^{2}}\](where, a is a constant) in a cylindrical wire of radius R. The current passing through the wire between radial distance\[\frac{R}{4}\]and\[\frac{R}{4}\]is
  A)
   \[\frac{20\pi a{{R}^{4}}}{331}\]                
  done clear
  B)
   \[\frac{15\pi a{{R}^{4}}}{512}\]
  done clear
  C)
   \[\frac{\pi a{{R}^{4}}}{332}\]                     
  done clear
  D)
   \[\frac{3\pi a{{R}^{4}}}{864}\]
  done clear
  View Answer play_arrow

• question_answer39) An electron having mass\[9.1\times {{10}^{-31}}kg\]moves in a circular path of radius 0.4 m with velocity\[{{10}^{5}}\] m/s in a magnetic field. The strength of magnetic field is
  A)
   \[1.56\times {{10}^{-5}}T\]                        
  done clear
  B)
   \[1.62\times {{10}^{-4}}T\]
  done clear
  C)
   \[1.42\times {{10}^{-6}}T\]                        
  done clear
  D)
   \[1.88\times {{10}^{-5}}T\]
  done clear
  View Answer play_arrow

• question_answer40) A current of 6.4 A is passed through the coil of galvanometer having 500 turns and each turn has an average area of\[3\times {{10}^{-4}}{{m}^{2}}\]. If a torque of 2 Nm is required for this coil carrying some current to set it parallel to a magnetic field then the strength of magnetic field will be
  A)
   31T                       
  done clear
  B)
   33.34 T
  done clear
  C)
   32T                       
  done clear
  D)
   40T
  done clear
  View Answer play_arrow

• question_answer41) The magnetic moment of a short bar magnet is \[4\text{ }A{{m}^{2}}\]The magnetic induction at a point 10 cm away from its mid point on axial line is\[{{B}_{1}}\]and on the equatorial line is\[{{B}_{2}}\]then
  A)
   \[{{B}_{1}}=8\times {{10}^{-4}}T,{{B}_{2}}=4\times {{10}^{-4}}T\]
  done clear
  B)
   \[{{B}_{1}}=2\times {{10}^{-4}}T,{{B}_{2}}=1\times {{10}^{-4}}T\]
  done clear
  C)
   \[{{B}_{1}}=10\times {{10}^{-4}}T,{{B}_{2}}=5\times {{10}^{-4}}T\]
  done clear
  D)
   \[{{B}_{1}}=6\times {{10}^{-4}}T,{{B}_{2}}=3\times {{10}^{-4}}T\]
  done clear
  View Answer play_arrow

• question_answer42) A beam of monochromatic light is incident on one face of an equilateral prism. The angle of incidence is\[55{}^\circ \]. If the angle of emergence is \[46{}^\circ \], then the angle of minimum deviation\[{{\delta }_{m}}\]will be
  A)
   \[>41{}^\circ \]                
  done clear
  B)
   \[<41{}^\circ \]
  done clear
  C)
   \[=41{}^\circ \]                                
  done clear
  D)
   \[\ge 41{}^\circ \]
  done clear
  View Answer play_arrow

• question_answer43) Mark the wrong statement regarding polarisation of light.
  A)
   The vibrations in a plane polarised light are perpendicular to the plane of polarization
  done clear
  B)
   If a polarised light of intensity\[{{I}_{0}}\]is passed through an analyser the intensity of light transmitted is \[I={{I}_{0}}{{\cos }^{2}}\theta \]
  done clear
  C)
   Polarisation is the property of longitudinal wave
  done clear
  D)
   Tangent of, polarising angle is equal to the refractive index of medium upon which the light is incident
  done clear
  View Answer play_arrow

• question_answer44) The blue colour of sky is explained by
  A)
   reflection                          
  done clear
  B)
   scattering
  done clear
  C)
   polarisation                      
  done clear
  D)
   refraction   
  done clear
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• question_answer45) The speed of electromagnetic waves in vacuum is
  A)
   \[{{\mu }_{0}}{{\varepsilon }_{0}}\]                       
  done clear
  B)
   \[\frac{1}{\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]
  done clear
  C)
   \[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]                          
  done clear
  D)
   \[\frac{1}{{{\mu }_{0}}{{\varepsilon }_{0}}}\]
  done clear
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• question_answer46) An electromagnetic wave travels along Z-axis. The pair of space and time varying field is
  A)
   \[{{E}_{y}},{{B}_{x}}\]                  
  done clear
  B)
   \[{{B}_{y}},{{E}_{z}}\]
  done clear
  C)
   \[{{E}_{x}},{{B}_{y}}\]                  
  done clear
  D)
   \[{{E}_{z}},{{B}_{x}}\]
  done clear
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• question_answer47) The ratio of inductive reactance to capacitive reactance in an AC circuit will be
  A)
   \[\omega LC\]                                 
  done clear
  B)
   \[{{\omega }^{2}}L\]   
  done clear
  C)
   zero                     
  done clear
  D)
   \[{{\omega }^{2}}LC\]
  done clear
  View Answer play_arrow

• question_answer48) The magnetic flux through a circuit of resistance R changes by\[\Delta \phi \]in times\[\Delta t\]. Then, the total amount of electric charge that passes in any point in the circuit during this time\[\Delta t\] will be
  A)
   \[Q=\frac{\Delta \phi }{R}\]                       
  done clear
  B)
   \[Q=\Delta \phi .R\]
  done clear
  C)
   \[Q=\frac{R\Delta t}{\Delta \phi }\]                       
  done clear
  D)
   \[Q=\Delta t.R\]
  done clear
  View Answer play_arrow

• question_answer49) The value of angle of dip is zero at the magnetic equator because on it
  A)
   V and H are equal   
  done clear
  B)
   the value of V is zero
  done clear
  C)
   the value of H is zero
  done clear
  D)
   the value of V is infinity
  done clear
  View Answer play_arrow

• question_answer50) The wavelength of first Lyman series in the transition from\[n=2\]to\[n=1\]is
  A)
   110 nm                               
  done clear
  B)
   120 nm
  done clear
  C)
   122 nm                               
  done clear
  D)
   125 nm
  done clear
  View Answer play_arrow

• question_answer51) When a radioactive isotope\[_{88}R{{a}^{228}}\]decay in series by the emission of 3a -particles and a \[\beta -\]particle, the isotope finally formed is
  A)
   \[_{82}{{X}^{216}}\]                      
  done clear
  B)
   \[_{83}{{X}^{215}}\] 
  done clear
  C)
   \[_{88}{{X}^{216}}\]                      
  done clear
  D)
   \[_{83}{{X}^{216}}\]
  done clear
  View Answer play_arrow

• question_answer52) \[{{\lambda }_{1}},{{\lambda }_{2}}\]and\[{{\lambda }_{3}}\]are de-Broglie wavelengths of electron, proton and\[\alpha -\]particle. If they are accelerated by same potential, then
  A)
   \[{{\lambda }_{1}}<{{\lambda }_{2}}<{{\lambda }_{3}}\]                              
  done clear
  B)
   \[{{\lambda }_{1}}>{{\lambda }_{2}}>{{\lambda }_{3}}\]
  done clear
  C)
   \[{{\lambda }_{1}}<{{\lambda }_{2}}>{{\lambda }_{3}}\]                              
  done clear
  D)
   \[{{\lambda }_{1}}>{{\lambda }_{2}}<{{\lambda }_{3}}\]
  done clear
  View Answer play_arrow

• question_answer53) A transistor is connected in CE configuration. The supply to the collector is 8 V and the voltage drop across a resistor of\[400\,\Omega \]in the collector circuit is 0.5 V. If the current gain factor is\[\alpha =0.96\]then, the base current will be nearly
  A)
   \[52\,\mu A\]                  
  done clear
  B)
   \[42\,\mu A\]
  done clear
  C)
   \[32\,\mu A\]                  
  done clear
  D)
   \[26\,\mu A\]
  done clear
  View Answer play_arrow

• question_answer54) The width of depletion layer in a\[p-n\] junction diode
  A)
   increases when a forward bias is applied
  done clear
  B)
   increases when a reverse bias is applied
  done clear
  C)
   decreases when a reverse bias is applied
  done clear
  D)
   remains same irrespective of bias voltage
  done clear
  View Answer play_arrow

• question_answer55) In a step up transformer, the turns ratio of primary and secondary is\[1:4\]. A leclanche cell of emf 1.5 V is connected across the primary. The voltage developed across the secondary will be
  A)
   3 V                                        
  done clear
  B)
   6 V
  done clear
  C)
   1V                                         
  done clear
  D)
   zero
  done clear
  View Answer play_arrow

• question_answer56) Which of the following truth table is of NAND gate
  A)
                           
  done clear
  B)
   
  done clear
  C)
                           
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer57) A the r mister is dipped in a water bath. As the temperature increases the current in the thermistor also increases. This is due to decrease in
  A)
   resistivity
  done clear
  B)
   conductivity
  done clear
  C)
   reactance
  done clear
  D)
   capacitance
  done clear
  View Answer play_arrow

• question_answer58) In an AC circuit, voltage and current are given    by\[V=50\,\sin (100t)V\]and\[I=500\sin \left( 100t+\frac{\pi }{3} \right)A\]. The power dissipated in the circuit is
  A)
   25W                                     
  done clear
  B)
   625W
  done clear
  C)
   1250W                
  done clear
  D)
   100W
  done clear
  View Answer play_arrow

• question_answer59) The magnetic flux\[\phi \]in a closed circuit of resistance\[10\,\Omega \]. varies with time t (in second) as\[\pi =(4{{t}^{2}}-5t+1)Wb\]. The magnitude of induced current at\[t=0.20s\] is
  A)
   0.12 A                  
  done clear
  B)
   0.38 A
  done clear
  C)
   0.34 A                  
  done clear
  D)
   0.12 A
  done clear
  View Answer play_arrow

• question_answer60) A galvanometer has a resistance of\[4\,\Omega \]and a full scale deflection is produced by 12 mA current. What resistance must be connected in series with it to enable it to read 1.2 V?
  A)
   \[45\,\Omega \]                             
  done clear
  B)
   \[96\,\Omega \]
  done clear
  C)
   \[80\,\Omega \]                             
  done clear
  D)
   \[40\,\Omega \]
  done clear
  View Answer play_arrow

• question_answer61) The standard reduction potentials of half reactions are given below \[{{F}_{2}}(g)+2{{e}^{-}}\xrightarrow[{}]{{}}2{{F}^{-}}(aq);E{}^\circ =+2.85V\] \[C{{l}_{2}}(g)+2{{e}^{-}}\xrightarrow[{}]{{}}2C{{l}^{-}}(aq);E{}^\circ =+1.36V\] \[B{{r}_{2}}(g)+2{{e}^{-}}\xrightarrow[{}]{{}}2B{{r}^{-}}(aq);E{}^\circ =+1.06V\] \[{{I}_{2}}(g)+2{{e}^{-}}\xrightarrow[{}]{{}}2{{I}^{-}}(aq);E{}^\circ =+0.53V\] The strongest oxidising and reducing agents respectively are
  A)
   chlorine and iodine
  done clear
  B)
   fluorine and iodine ion
  done clear
  C)
   chloride and bromine
  done clear
  D)
   bromine and iodine
  done clear
  View Answer play_arrow

• question_answer62) Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. The structure of coloured product would be
  A)
   
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer63) A compound\[CuCl\]has face-centred cubic structure. Its density is\[3.4\text{ }g\text{ }c{{m}^{-3}}\]. The length of unit cell is
  A)
   \[8.734\overset{o}{\mathop{\text{A}}}\,\]                        
  done clear
  B)
   \[5.834\overset{o}{\mathop{\text{A}}}\,\]
  done clear
  C)
   \[5.783\overset{o}{\mathop{\text{A}}}\,\]                        
  done clear
  D)
   \[8.153\overset{o}{\mathop{\text{A}}}\,\]
  done clear
  View Answer play_arrow

• question_answer64) What happens if\[CC{{l}_{4}}\]is treated with\[AgN{{O}_{3}}\]?
  A)
   A white ppt. of\[AgCl\]will form
  done clear
  B)
  \[N{{O}_{2}}\]will be evolved
  done clear
  C)
  \[CC{{l}_{4}}\]will dissolve in\[AgN{{O}_{3}}\]
  done clear
  D)
   Nothing will happen
  done clear
  View Answer play_arrow

• question_answer65) One of the following metals forms a volatile compound and this property is taken advantage for its extraction. This metal is
  A)
   iron                      
  done clear
  B)
   nickel
  done clear
  C)
   cobalt                  
  done clear
  D)
   tungsten
  done clear
  View Answer play_arrow

• question_answer66) At\[90{}^\circ C,\]pure water has\[[{{H}^{+}}]={{10}^{-6}}M,\]if 100 mL of\[0.2\text{ }M\text{ }HCl\]is added to 200mL of 0.1 M KOH at\[90{}^\circ C\]then pH of the resulting solution will be
  A)
   5                            
  done clear
  B)
   6      
  done clear
  C)
   7                            
  done clear
  D)
   4
  done clear
  View Answer play_arrow

• question_answer67) end product. Identify the end product
  A)
      
  done clear
  B)
   
  done clear
  C)
      
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer68) In the given reaction,\[R-OH+HX\xrightarrow[{}]{{}}RX+{{H}_{2}}O\]the order of reactivity of alcohols is
  A)
   tertiary < secondary < primary
  done clear
  B)
   tertiary > secondary > primary
  done clear
  C)
   tertiary < secondary > primary
  done clear
  D)
   secondary > primary > tertiary
  done clear
  View Answer play_arrow

• question_answer69) o-toluic acid on reaction with\[B{{r}_{2}}+Fe\]gives
  A)
      
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer70) Which of the following reactions will not give a primary amine?
  A)
   \[C{{H}_{3}}NC\xrightarrow[{}]{LiA{{H}_{4}}}\]
  done clear
  B)
   \[C{{H}_{3}}CN\xrightarrow[{}]{LiA{{H}_{4}}}\]
  done clear
  C)
   \[C{{H}_{3}}CON{{H}_{2}}\xrightarrow[{}]{LiA{{H}_{4}}}\]
  done clear
  D)
   \[C{{H}_{3}}CN{{H}_{2}}\xrightarrow[{}]{B{{r}_{2}}/KOH}\]
  done clear
  View Answer play_arrow

• question_answer71) A litre solution containing\[N{{H}_{4}}Cl\]and\[N{{H}_{4}}OH\]has hydroxide ion concentration of \[{{10}^{-6}}mol{{L}^{-1}}\]. Which of the following hydroxide could be precipitated when the solution is added to 1L solution of 0.1M metal ions?

  I. \[Ba{{(OH)}_{2}}({{K}_{sp}}=5\times {{10}^{-3}})\]

  II. \[Ni{{(OH)}_{2}}({{K}_{sp}}=1.6\times {{10}^{-16}})\]

  III. \[Mn{{(OH)}_{2}}({{K}_{sp}}=2\times {{10}^{-13}})\]

  IV. \[Fe{{(OH)}_{2}}({{K}_{sp}}=8\times {{10}^{-16}})\]

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

• question_answer72) Intra molecular hydrogen bonding is present is
  A)
   nickel dimethyl glyoximate
  done clear
  B)
   anti-pyridine-2-carboxaldoxime
  done clear
  C)
   maleic acid monoanion
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer73) Forty milliliter of CO was mixed 100 mL of\[{{O}_{2}}\] and the mixture was exploded. On cooling, the reaction mixture was shaken with KOH. What volume of gas is left?
  A)
   80 mL of \[{{O}_{2}}\]
  done clear
  B)
   60 mL of \[{{O}_{2}}\]
  done clear
  C)
   80 mL of \[C{{O}_{2}}\]
  done clear
  D)
   60 mL of\[C{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer74) Equivalent conductance of 0.0128 N acetic acid solution, at\[25{}^\circ C\]is 14 \[oh{{m}^{-1}}e{{q}^{-1}}\]and at infinite dilution is 391\[oh{{m}^{-1}}e{{q}^{-1}}\]. The degree of dissociation of acetic acid in the solution and its dissociation constant, respectively are
  A)
   0.036 and \[1.66\times {{10}^{-5}}\]
  done clear
  B)
   0.121 and \[1.78\times {{10}^{-4}}\]
  done clear
  C)
   0.213 and \[1.84\times {{10}^{-5}}\]
  done clear
  D)
   0.054 and \[1.94\times {{10}^{-4}}\]
  done clear
  View Answer play_arrow

• question_answer75) Consider the following pairs of ions

  I. \[S{{c}^{3+}}\]and \[T{{i}^{4+}}\]

  II. \[M{{n}^{2+}}\]and \[F{{e}^{2+}}\]

  III. \[F{{e}^{2+}}\]and \[C{{o}^{3+}}\]

  IV. \[C{{u}^{+}}\]and \[Z{{n}^{2+}}\]

  Among these pairs of ions, isoelectronic pairs would include
  A)
   II, III and IV                       
  done clear
  B)
   I, III and IV
  done clear
  C)
   I, II and IV                          
  done clear
  D)
   I, II and III
  done clear
  View Answer play_arrow

• question_answer76) A light greenish coloured salt was soluble in water. On passing \[{{H}_{2}}S\] into the solution a black precipitate was obtained which dissolved readily in \[HCl\]. The metal ion present is
  A)
   \[C{{o}^{2+}}\]                
  done clear
  B)
   \[F{{e}^{2+}}\]
  done clear
  C)
   \[N{{i}^{2+}}\]                 
  done clear
  D)
   \[M{{n}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer77) The E-isomer among the following is
  A)
   
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer78) The decreasing nucleophilicity of the following is

  I. \[C{{H}_{3}}{{S}^{\text{O-}}}\]

  II. \[C{{H}_{3}}{{O}^{\text{O-}}}\]

  III. \[\overset{\text{O-}}{\mathop{O}}\,H\]

  IV. \[Et{{O}^{\text{O-}}}\]

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

• question_answer79) \[Ag|AgCl||C{{l}^{-}}({{C}_{2}})||C{{l}^{-}}({{C}_{1}})|AgCl|Ag\]for this cell\[\Delta G\]is negative if
  A)
   \[{{C}_{1}}={{C}_{2}}\]                 
  done clear
  B)
   \[{{C}_{1}}>{{C}_{2}}\]
  done clear
  C)
   \[{{C}_{2}}>{{C}_{1}}\]                 
  done clear
  D)
   Both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer80) Arrange the following in the decreasing order of their melting points.

  I. Heptane

  II. Octane

  III. Nonane

  IV. Decane

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

• question_answer81) In the given reaction, The products X and Y respectively are
  A)
   a-bromo nitrobenzene and o-bromoaniline
  done clear
  B)
   p-bromo nitrobenzene and p-bromoaniline
  done clear
  C)
   m-bromo nitrobenzene and m-bromoaniline
  done clear
  D)
   o, p-dibromonitrobenzene and o, p-dibromoaniline
  done clear
  View Answer play_arrow

• question_answer82) Which one of the following reactions cannot be used for the reduction of
  A)
   HI and red phosphorus at\[200{}^\circ C\]
  done clear
  B)
   Wolff-Kishner reduction
  done clear
  C)
   Clemmensen reduction
  done clear
  D)
   Wurtz reaction
  done clear
  View Answer play_arrow

• question_answer83) Buna-N synthetic rubber is a copolymer of
  A)
  \[{{H}_{2}}C=CH-CN\] and \[H  C=CH-CH=C{{H}_{2}}\]
  done clear
  B)
  \[{{H}_{2}}C=CH-CN\] and \[{{H}_{2}}C=CH-C=C{{H}_{2}}\]
  done clear
  C)
   \[{{H}_{2}}C=CH-\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\mathop{C}}\,=CH\] and \[{{H}_{2}}C=CH-CH=C{{H}_{2}}\]
  done clear
  D)
  \[{{H}_{2}}C=CH-CH=C{{H}_{2}}\] and \[{{H}_{5}}{{C}_{6}}-CH=C{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer84) Arrange the following (I to IV) in the order of increasing masses

  I. 0.5 mole of 03

  II. 0.5 g atom of oxygen

  III. \[3.011\times {{10}^{23}}\]molecules of\[{{O}_{2}}\]

  IV. 5.6 L of\[C{{O}_{2}}\]at STP

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

• question_answer85) What is the role of bithional in toilet soaps?
  A)
  It controls the pH of the skin and do not harm it
  done clear
  B)
  It reduces the odours produced by bacteria decomposition of organic matter,
  done clear
  C)
   It helps in improving the colour of the skin
  done clear
  D)
   It act like an antihistamine
  done clear
  View Answer play_arrow

• question_answer86) Photochemical oxidants, i.e. PAN or PBN are formed by
  A)
   action of nitrogen oxides on hydrocarbons in presence of sunlight
  done clear
  B)
   action of\[C{{O}_{2}}\]on hydrocarbons in presence of sunlight
  done clear
  C)
   action of hydrogen sulphide on hydrocarbon in presence of sunlight
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer87) Freundlich adsorption isotherm gives a straight line on plotting
  A)
   \[\frac{x}{m}vs\,\rho \]                              
  done clear
  B)
   \[\log \frac{x}{m}vs\,\rho \]
  done clear
  C)
   \[\log \frac{x}{m}vs\,\log \rho \]            
  done clear
  D)
   \[\frac{x}{m}vs\frac{1}{\rho }\]
  done clear
  View Answer play_arrow

• question_answer88) A salt on reacting with dil.\[{{H}_{2}}S{{O}_{4}}\]gives a reddish brown gas. The salt is
  A)
   \[KN{{O}_{2}}\]              
  done clear
  B)
   \[ZnB{{r}_{2}}\]
  done clear
  C)
   \[NaN{{O}_{3}}\]           
  done clear
  D)
   \[FeC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer89) The total number of possible isomers of the complex compound\[|C{{u}^{II}}{{(N{{H}_{3}})}_{4}}||P{{t}^{II}}C{{l}_{4}}|\]is
  A)
   3                                            
  done clear
  B)
   6     
  done clear
  C)
   5                                            
  done clear
  D)
   4
  done clear
  View Answer play_arrow

• question_answer90) The solution of the complex\[[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]in water
  A)
   will give the test of\[C{{u}^{2+}}\]ions
  done clear
  B)
   will give the test of \[N{{H}_{3}}\]
  done clear
  C)
   will give the test of\[SO_{4}^{2-}\]ions
  done clear
  D)
   will not give the tests of any of the above species
  done clear
  View Answer play_arrow

• question_answer91) Which of the following reactions depicts the reducing action of\[{{H}_{2}}{{O}_{2}}\]?
  A)
   \[{{C}_{6}}{{H}_{6}}+{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{{}}{{C}_{6}}{{H}_{5}}OH+{{H}_{2}}O\]
  done clear
  B)
   \[2{{I}^{-}}+2{{H}^{+}}+{{H}_{2}}{{O}_{2}}\xrightarrow{{}}{{I}_{2}}+{{H}_{2}}O\]
  done clear
  C)
   \[2MnO_{4}^{-}+6{{H}^{+}}+5{{H}_{2}}{{O}_{2}}\xrightarrow{{}}\]\[2M{{n}^{2+}}+5{{O}_{2}}+8{{H}_{2}}O\]
  done clear
  D)
   \[PbS+4{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{{}}PbS{{O}_{4}}+4{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer92) The number of \[\sigma -\]bonds in\[{{P}_{4}}{{O}_{10}}\]is
  A)
   6                                            
  done clear
  B)
   16
  done clear
  C)
   20                                         
  done clear
  D)
   7
  done clear
  View Answer play_arrow

• question_answer93) Which of the following statements is correct with respect to the property of elements with increase in atomic number in the carbon family (group 14)?
  A)
   Their metallic character decreases
  done clear
  B)
   The stability of +2 oxidation state increases
  done clear
  C)
   Their ionization energy increases
  done clear
  D)
   Their atomic size decreases
  done clear
  View Answer play_arrow

• question_answer94) Aluminium vessels should not be washed with material containing washing soda since
  A)
   washing soda is expensive
  done clear
  B)
   washing soda is easily decomposed
  done clear
  C)
   washing soda reacts with Al to form insoluble aluminium oxide
  done clear
  D)
   washing soda reacts with Al to form soluble aluminate
  done clear
  View Answer play_arrow

• question_answer95) Which of the following alkaline earth metal oxides shows a coordination number four?
  A)
   \[BeO\]                              
  done clear
  B)
   \[MgO\]
  done clear
  C)
   \[SrO\]                               
  done clear
  D)
   \[CaO\]
  done clear
  View Answer play_arrow

• question_answer96) The order of Solubility of lithium halides in non-polar solvents follows the order
  A)
   \[Lil>LiBr>LiCl>LiF\]
  done clear
  B)
   \[LiF>Lil>LiBr>LiCl\]
  done clear
  C)
   \[LiCl>LiF>Lil>LiBr\]
  done clear
  D)
   \[LiBr>LiCr>LiF>Lil\]
  done clear
  View Answer play_arrow

• question_answer97) Which of the following is used as a source of oxygen in space capsules, submarines and breathing masks?
  A)
   \[Li{{O}_{2}}\]                 
  done clear
  B)
   \[N{{a}_{2}}{{O}_{2}}\]
  done clear
  C)
   \[K{{O}_{2}}\]                  
  done clear
  D)
   \[{{K}_{2}}{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer98) Cone.\[{{H}_{2}}S{{O}_{4}}\]displaces hydrogen chloride from chlorides because
  A)
   it is stronger acid
  done clear
  B)
   sulphates are less soluble than chlorides
  done clear
  C)
   sulphates are more soluble than chlorides
  done clear
  D)
   \[HCl\] is a gas while\[{{H}_{2}}S{{O}_{4}}\] is a liquid
  done clear
  View Answer play_arrow

• question_answer99) Which of the following is not a cumulated diene?
  A)
   Hexa-2,3-diene               
  done clear
  B)
   Penta-1,3-diepe
  done clear
  C)
   Hexa-1,2-diene               
  done clear
  D)
   Penta-2,3-diene
  done clear
  View Answer play_arrow

• question_answer100) Which one of the following represents d-block elements?
  A)
   \[[Rn]6{{d}^{2}},7{{s}^{2}}\]
  done clear
  B)
   \[[Xe]4{{f}^{1}},5{{d}^{1}},6{{s}^{2}}\]
  done clear
  C)
   \[[Xe]4{{f}^{14}},5{{d}^{1}},6{{s}^{2}}\]
  done clear
  D)
   \[[Xe]5{{d}^{1}},6{{s}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer101) Pd  has  exceptional  outer  electronic configuration as\[4{{d}^{10}},\text{ }55{}^\circ \]. It belongs to
  A)
   4th period, group 11
  done clear
  B)
   4th period, group 10
  done clear
  C)
   6th period, group 9
  done clear
  D)
   3th period, group 16
  done clear
  View Answer play_arrow

• question_answer102) The rate of reaction,\[2NO+C{{l}_{2}}2NOCl\] becomes double when the concentration of\[C{{l}_{2}}\]is doubled. However, when the concentration of both the reactants is doubled the rate becomes eight times. What is order of the reaction?
  A)
   First                     
  done clear
  B)
   Second
  done clear
  C)
   Third                    
  done clear
  D)
   Zero
  done clear
  View Answer play_arrow

• question_answer103) How will the rate of reaction,\[2NO+{{O}_{2}}\xrightarrow[{}]{{}}2N{{O}_{2}}\]change, if the volume of the reaction vessel is doubled?
  A)
   It will diminish to 1/4 of the initial value
  done clear
  B)
   It will diminish to 1/8 of the initial value
  done clear
  C)
   It will grow four times
  done clear
  D)
   It will grow eight times
  done clear
  View Answer play_arrow

• question_answer104) One mole of\[Fe{{C}_{2}}{{O}_{4}}\]is oxidised by x moles of\[C{{r}_{2}}O_{7}^{2-}\]in acidic medium,\[x\]is
  A)
   0.5                        
  done clear
  B)
   1.0
  done clear
  C)
   1.5                        
  done clear
  D)
   2.0
  done clear
  View Answer play_arrow

• question_answer105) The true statement regarding sucralose is
  A)
   trichloro derivative of sucrose
  done clear
  B)
   it does not provide calories
  done clear
  C)
   it is stable at cooking temperature
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer106) Which one of the following conditions will increase the voltage of the cell represents by the equation? \[Cu(s)+2A{{g}^{+}}(aq)\xrightarrow[{}]{{}}C{{u}^{2+}}(aq)+Ag(s)\]
  A)
   Increase in the concentration of\[A{{g}^{+}}\]ions
  done clear
  B)
   Increase in the concentration of\[C{{u}^{2+}}\]ions
  done clear
  C)
   Increase in the dimensions of silver electrode
  done clear
  D)
   Increase in the dimensions of copper electrode
  done clear
  View Answer play_arrow

• question_answer107) During the electrolysis of the aqueous solution of copper sulphate using R electrodes, the reaction taking place at the anode is
  A)
   \[C{{u}^{2+}}+2{{e}^{-}}\xrightarrow[{}]{{}}Cu\]
  done clear
  B)
   \[Cu\xrightarrow[{}]{{}}C{{u}^{2+}}+2{{e}^{-}}\]
  done clear
  C)
   \[2{{H}_{2}}O\xrightarrow[{}]{{}}4{{H}^{+}}+{{O}_{2}}+4{{e}^{-}}\]
  done clear
  D)
   \[{{H}_{2}}O+{{e}^{-}}\xrightarrow[{}]{{}}O{{H}^{-}}+\frac{1}{2}{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer108)  What is the product P?
  A)
   
  done clear
  B)
   
  done clear
  C)
                    
  done clear
  D)
   Both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer109) If the positions of\[N{{a}^{+}}\]and\[C{{l}^{-}}\]are interchanged in\[NaCl,\], the crystal lattice with respect to\[N{{a}^{+}}\]and\[C{{l}^{-}}\]is
  A)
   bcc and fcc        
  done clear
  B)
   fcc and bcc
  done clear
  C)
   Both fee            
  done clear
  D)
   Both bcc
  done clear
  View Answer play_arrow

• question_answer110) At a temperature, vapour pressure of pure benzene is 640 nun Hg. On dissolving 2.175 g of a non-volatile solid solute in 39.0 g benzene vapour pressure of the solution if found to be 600 mm Hg. The molecular mass of solute is.
  A)
   65.25                   
  done clear
  B)
   54.94
  done clear
  C)
   63.55                   
  done clear
  D)
   87.62
  done clear
  View Answer play_arrow

• question_answer111) \[50\,c{{m}^{3}}\]ethylene glycol is dissolved in 50g water. Freezing point of solution is\[-34{}^\circ C\]Assuming ideal behaviour than density of ethylene glycol is (for water, \[{{K}_{f}}=1.86\,K\,kg\,mo{{l}^{-1}}\])
  A)
   \[1.273\text{ }g/c{{m}^{3}}\]    
  done clear
  B)
   \[2.173\text{ }g/c{{m}^{3}}\]
  done clear
  C)
   \[1.133\text{ }g/c{{m}^{3}}\]    
  done clear
  D)
  \[2.612\text{ }g/c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer112) For the same transition metal ion, the colour of its compounds will depend upon
  A)
   temperature of the reaction
  done clear
  B)
   pressure of the reaction
  done clear
  C)
   nature of ligands or Lewis bases attached to the meta ion
  done clear
  D)
   concentration of the ligands
  done clear
  View Answer play_arrow

• question_answer113) 10 moles of ideal gas expand isothermally 60 and reversibly from a pressure of 10 atm to 1 atm at 300K. What is the largest mass which can lifted through a height of 100 meter?
  A)
   48.75 kg              
  done clear
  B)
   58.55 kg
  done clear
  C)
   75.64 kg              
  done clear
  D)
   64.13 kg
  done clear
  View Answer play_arrow

• question_answer114) arsenic sulphide sol is prepared by passing \[{{H}_{2}}S\] through arsenic oxide solution. The charge developed on the particles is due to absorption of
  A)
   \[{{H}^{+}}\]                                    
  done clear
  B)
   \[{{S}^{2-}}\]
  done clear
  C)
   \[O{{H}^{-}}\]                  
  done clear
  D)
   \[{{O}^{2-}}\]
  done clear
  View Answer play_arrow

• question_answer115) The molar heat capacity at constant volume of gaseous mixture contained 2 moles of each of two ideal gases\[X(CLV,\text{ }m=\frac{3}{2}R)\]and\[Y({{C}_{V}},m=\frac{5}{2}R)\]
  A)
   2R                                         
  done clear
  B)
   3R
  done clear
  C)
   4R                                         
  done clear
  D)
   8R
  done clear
  View Answer play_arrow

• question_answer116) A compound is soluble in cone.\[{{H}_{2}}S{{O}_{4}}\].It does not decolourise bromine in\[CC{{l}_{4}}\]but in oxidized by chromic anhydride in aqueous \[{{H}_{2}}S{{O}_{4}}\]whit 2s, turning orange solution to blue green, afterward opaque. The original solution contains
  A)
   a primary alcohol            
  done clear
  B)
   a secondary alcohol
  done clear
  C)
   a tertiary alcohol    
  done clear
  D)
   an ether
  done clear
  View Answer play_arrow

• question_answer117) Liquid flow a higher to a lower level. Which of the following liquids can climb up the walls of the glass vessel in which it is placed?
  A)
   Mercury                             
  done clear
  B)
   Liquid \[{{N}_{2}}\]
  done clear
  C)
   Liquid He (II)                    
  done clear
  D)
   Water
  done clear
  View Answer play_arrow

• question_answer118) For a chemical reaction, temperature is raised from\[25{}^\circ C\]to\[35{}^\circ C\]. The value of equilibrium constant,\[{{K}_{p}}\]is doubled-The heat of reaction\[(\Delta H)\]for the reaction will be
  A)
   13.834 kcal        
  done clear
  B)
   11.714 kcal
  done clear
  C)
   12.726 kcal        
  done clear
  D)
   14.312 kcal
  done clear
  View Answer play_arrow

• question_answer119) 4.0 g molecular\[PC{{l}_{5}}\] were heated in a vessel of 6L volume. At equilibrium state, 50% of\[PC{{l}_{5}}\]is dissociated. The equilibrium constant tor the reaction is
  A)
   \[0.66\,mol\,{{L}^{-1}}\]             
  done clear
  B)
   \[0.33\,mol{{L}^{-1}}\]
  done clear
  C)
   \[0.44\,mol\,{{L}^{-1}}\]             
  done clear
  D)
   \[0.88\,mol\,{{L}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer120) A greenish yellow gas reacts with alkali metal hydroxide to form a halate which can be used in fire works and safety matches. The gas and halate respectively are
  A)
   \[B{{r}_{2}},KBr{{O}_{3}}\]                         
  done clear
  B)
   \[C{{l}_{2}},KCl{{O}_{3}}\]
  done clear
  C)
   \[{{I}_{2}},NaI{{O}_{3}}\]            
  done clear
  D)
   \[C{{l}_{2}},NaCl{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer121) Which of the following pair of characters distinguish Gnetum from Cycas and Pinus?
  A)
   Absence of resin duct and leaf venation
  done clear
  B)
   Presence of vessel elements and absence of archegonia
  done clear
  C)
   Perianth and two integuments
  done clear
  D)
   Embryo development and apical meristem
  done clear
  View Answer play_arrow

• question_answer122) Fruit ripening is promoted by the hormone that also
  A)
   promotes thinning of fruits in cherry and walnut
  done clear
  B)
   induce parthenocarpy in tomato
  done clear
  C)
   promote flowering in lemma
  done clear
  D)
   induce dormancy
  done clear
  View Answer play_arrow

• question_answer123) A plant cell is placed in a solution whose solute concentration is twice as great as the concentration of the cell cytoplasm. The plasma membrance is selectively permeable, allowing water but not solutes to pass through. What will happen to the cell?
  A)
   The cell will swell because of endosmosis
  done clear
  B)
   The cell will shrivel because of exosmosis
  done clear
  C)
   The cell will shrivel because of active transport of water
  done clear
  D)
   No change will occur because of hard impervious cell wall present
  done clear
  View Answer play_arrow

• question_answer124) Select the correct statements out of the four (I-IV) given below about lac operon.

  I. Glucose or galactose may bind with the represser and inactivate it.

  II. In the absence of lactose, the represser binds with the operator region.

  III. The Z-gene codes for permease.

  IV. This was elucidated by Francois Jacob and Jacques Monod.

  The correct statements are
  A)
   II and III                              
  done clear
  B)
   I and III
  done clear
  C)
   II and IV                             
  done clear
  D)
   I and ll
  done clear
  View Answer play_arrow

• question_answer125) In Zostera, the marine angiosperm, the pollen grains are long ribbon-like and without exine. They have same specific gravity as that of water. How is this feature helpful in their pollination?
  A)
   The pollen grains become un wet table
  done clear
  B)
   The pollen grains spread over large and they are lighter
  done clear
  C)
   The pollen grains can float below the surface of water
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer126) Match the following column I with column II.

  Column I (Genes)	Column II (Types)
  A. Genes for glycolysis	1.  Pseudogenes
  B. Genes   for   nitrate reductase	2.   Multigenes
  C. Globin gene family	3.  House keeping genes
  D. mRNA gene	4.  Inducible genes

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

• question_answer127) Statement I \[\alpha -\]ketoglutarate dehydrogenase catalyses the conversion of oxalosuccinic acid to \[\alpha -\]ketoglutarate. Statement II This reaction is accompanied with release of\[C{{O}_{2}}\]. Choose the correct option.
  A)
   Statement I is correct and statement II is incorrect
  done clear
  B)
   Statement II is correct and statement I is incorrect
  done clear
  C)
   Both statements correct
  done clear
  D)
   Both statements incorrect
  done clear
  View Answer play_arrow

• question_answer128) As compared to sun plants, the plants, which are adopted to low light intensity possess
  A)
   more extended root system
  done clear
  B)
   very high rate of\[C{{O}_{2}}\]fixation
  done clear
  C)
   larger photosynthetic units
  done clear
  D)
   more extended shoot system
  done clear
  View Answer play_arrow

• question_answer129) Consider the following statements about DNA replication.

  I. A replisome is the largest functional unit in DNA replication factories.

  II. RNA   polymerase   complexes   are responsible for transcribing the newly synthesised RNAs into their mature form.

  III. DNA    polymerases    add    new deoxyribonucleotides to the 3 end of a DNA strand.

  IV. A replication bubble is a region of single stranded DNA that arises due to unwinding of DNA in same direction by primase.

  Choose the incorrect statement(s).
  A)
   I and II               
  done clear
  B)
   III and IV
  done clear
  C)
   I, II and IV                          
  done clear
  D)
   I, II, Ill and IV
  done clear
  View Answer play_arrow

• question_answer130) The process in which mature differentiated cells reverse to meristematic activity to form callus is called
  A)
   dedifferentiation
  done clear
  B)
   dedifferentiation
  done clear
  C)
   cyto-differentiation
  done clear
  D)
   differentiation
  done clear
  View Answer play_arrow

• question_answer131) Endothecium and tapetum are formed from
  A)
   primary sporogenous tissue
  done clear
  B)
   primary parietal layer
  done clear
  C)
   primary parietal layer and sporogenous tissue respectively
  done clear
  D)
   sporogenous tissue and primary parietal layer respectively
  done clear
  View Answer play_arrow

• question_answer132) Which of the following is an example of a defence used by plants against herbivorous?

  I. Production of caffeine, tannin, quinine.

  II. More production of non-woody tissues.

  III. Production of hairs, thorns, spines.

  IV. Production of hormones like chemicals that interfere with insect metamorphosis.

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

• question_answer133) Match the following electron transport chain (ETC) inhibitors with their mode of action.

  Column-I	Column-II
  A. Dinitrophenol (2.4-DNP)	1. Electron flow from cyt\[-{{a}_{3}}\]to\[{{O}_{2}}\]
  B. Cyanide	2. Direct electrons from Co-Q to\[{{O}_{2}}\]
  C. Antimycin-A	3. Electron flow from NADH/FADH a to Co-Q
  D. Rotenone	4. Electron flow from Cyt-b to Cyt-c

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

• question_answer134) All given statements regarding cymose inflorescence are correct except
  A)
   main axis terminate in a flower
  done clear
  B)
   development of flowers is basipetal
  done clear
  C)
   opening of flowers is centrifugal
  done clear
  D)
   unlimited growth of axis
  done clear
  View Answer play_arrow

• question_answer135) The leaves of some plants contain crystals of calcium carbonate in epidermal cells, giving appearance that of bunch of grapes are called
  A)
   cystoliths                           
  done clear
  B)
   sphaeraphides
  done clear
  C)
   raphides           
  done clear
  D)
   otoliths
  done clear
  View Answer play_arrow

• question_answer136) The name of this class is based on sexual structure as the site of karyogamy and meiosis in
  A)
   Phycomyctes and Actinomycetes
  done clear
  B)
   Deuteromycetes and Zygomycetes
  done clear
  C)
   Ascomycetes and Basidiomycetes
  done clear
  D)
   Basidiomycetes and Actinomycetes
  done clear
  View Answer play_arrow

• question_answer137) Which of the following feature cannot be considered to distinguish underground stem from a root?
  A)
   Presence of nodes and internodes
  done clear
  B)
   Presence of axillary and terminal buds
  done clear
  C)
   Absence of scale leaves and adventitious roots arising from nodes
  done clear
  D)
   Presence of exogenous branches
  done clear
  View Answer play_arrow

• question_answer138) Embryo rescue is resorted to
  A)
   obtain new generation of plants quickly
  done clear
  B)
   to reduce chance of seedling growth
  done clear
  C)
   ensure growth of interspecific hybrids
  done clear
  D)
   induce somaclonal variations
  done clear
  View Answer play_arrow

• question_answer139) In sweet pea, C and P genes are essential for flower colour. In absence of either or both the genes, the flowers are white. What will be the percentage of coloured flowers in the off spring of cross\[Ccpp\times ccPp\]?
  A)
   75%                      
  done clear
  B)
   25%   
  done clear
  C)
   80%                      
  done clear
  D)
   50%
  done clear
  View Answer play_arrow

• question_answer140) Apomictic embryos in citrus arise from
  A)
   synergids
  done clear
  B)
   maternal sporophytic tissue in ovule
  done clear
  C)
   antipodal cell
  done clear
  D)
   haploid cell
  done clear
  View Answer play_arrow

• question_answer141) The statement given below are the deficiency symptoms of a certain element. Identify the element with the help of options that follow.

  I. Stunted growth

  II. Degeneration of meristems

  III. Curling appear first in young leaves

  IV. Premature flower abscission

  Choose the correct option.
  A)
   magnesium                      
  done clear
  B)
   boron
  done clear
  C)
   calcium               
  done clear
  D)
   nitrogen
  done clear
  View Answer play_arrow

• question_answer142) In complete oxidation of glucose, ATP molecules are formed from ADP. Which among the following stage yields the maximum amount of ATP?
  A)
   Glycolsis
  done clear
  B)
   Krebs cycle
  done clear
  C)
   Electron transport chain
  done clear
  D)
   Conversion of pyruvic acid to acetyl Co-A
  done clear
  View Answer play_arrow

• question_answer143) Red tide of sea is due to presence of
  A)
   Gonyaulax                        
  done clear
  B)
   Cymbella
  done clear
  C)
   chlamydae                        
  done clear
  D)
   blue-green algae
  done clear
  View Answer play_arrow

• question_answer144) The binomial name in which names of genus and species are same is referred to as
  A)
   binomial nomenclature
  done clear
  B)
   tautonym
  done clear
  C)
   cladistics           
  done clear
  D)
   polytypic
  done clear
  View Answer play_arrow

• question_answer145) Read the following statements with respects to rate of transpiration.

  I. In dry atmosphere, the relative humidity is low so, the rate of transpiration increases.

  II. Slow breeze promotes the rate of transpiration.

  III. ABA promotes transpiration.

  IV. A high salt concentration in soil water increases transpiration.

  Choose the incorrect options.
  A)
   I and II                
  done clear
  B)
   II and III
  done clear
  C)
   III and IV                            
  done clear
  D)
   I and IV
  done clear
  View Answer play_arrow

• question_answer146) How many pigment molecules constitute a single photosystem?
  A)
   2500                     
  done clear
  B)
   250-400
  done clear
  C)
   2000                     
  done clear
  D)
   2
  done clear
  View Answer play_arrow

• question_answer147) Following are the statements regarding sexual reproduction in flowering plants.

  I. Parthenium is a plant that causes pollen allergy.

  II. If tapetum is destroyed, then unfeasible male gametophytes are produced.

  III. Egg apparatus has 3 synergids and 2 antipodal cells.

  IV. Megaspore is the first cell of gametophytic generation.

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

• question_answer148) Which one of the following is a bacteria?
  A)
   Pseudomonas                 
  done clear
  B)
   Clostridium
  done clear
  C)
   Actinomycetes                
  done clear
  D)
   Azotobacter
  done clear
  View Answer play_arrow

• question_answer149) Choose the correct option depicting the floral formula of the diagram given below.
  A)
   
  done clear
  B)
   
  done clear
  C)
   
  done clear
  D)
   
  done clear
  View Answer play_arrow

• question_answer150) If there is more than one tunica layer in stem apex, which among the following is most likely to happen?
  A)
   All the layers will develop into epidermal cells
  done clear
  B)
   Only the outer layer will develop into epidermal cells
  done clear
  C)
   All the layers will develop into cortex
  done clear
  D)
   Inner layer develops into cortex
  done clear
  View Answer play_arrow

• question_answer151) Reproductive isolation mechanism prevent interbreeding   of   naturally   sympatric population. Given below are categories of isolating mechanisms. Choose the correct name for isolation when potential mates occupy overlapping ranges but reproduce at different times of the year.
  A)
   Ecological isolation 
  done clear
  B)
   Behavioural isolation
  done clear
  C)
   Temporal isolation  
  done clear
  D)
   Mechanical isolation
  done clear
  View Answer play_arrow

• question_answer152) A women with albinic father marries an albinic man. The proportion of her progeny is
  A)
   2 normal: 1 albinic
  done clear
  B)
   All normal
  done clear
  C)
   All albinic
  done clear
  D)
   1 normal: 1 albinic
  done clear
  View Answer play_arrow

• question_answer153) Consider the following statements about basis of classification.

  I. Amphibians are classified on the basis of their habitat.

  II. Reptiles are classified on the basis of the nature of their skulls.

  III. Birds are classified on the basis of their bones.

  IV. Mammals are classified on the basis of their mode of reproduction.

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

• question_answer154) Which of the following pairs is not correctly matched?
  A)
   Cholera - Vibrio choferae
  done clear
  B)
   German measles - Rubella virus
  done clear
  C)
   Whooping cough - Bordetella pertussis
  done clear
  D)
   Jaundice - Pasteurelia pestis
  done clear
  View Answer play_arrow

• question_answer155) Which of the following is the correct sequence of development of erthrocytes?
  A)
   Erythrocytes\[\to \]Normoblasts\[\to \] Erythroblasts\[\to \]Reticulocytes
  done clear
  B)
   Erythroblasts\[\to \]Normoblasts\[\to \]Reticulocytes\[\to \]Erythrocytes
  done clear
  C)
   Erythroblasts\[\to \]Reticulocytes\[\to \]Erythrocytes\[\to \]Normoblasts
  done clear
  D)
   Normoblasts\[\to \]Erythroblasts\[\to \]Erythrocytes\[\to \]Reticulocytes
  done clear
  View Answer play_arrow

• question_answer156) Which of the following characteristic is not seen in a person suffering from schizoprenia?
  A)
   Auditory hallucinations
  done clear
  B)
   Split personality
  done clear
  C)
   False beliefs        
  done clear
  D)
   Lack of motivation
  done clear
  View Answer play_arrow

• question_answer157) A feature of peroxisome in our body is
  A)
   they are associated with synthesis and storage of lipids
  done clear
  B)
  they contain oxidising enzymes and promotes gluconeogenesis
  done clear
  C)
   they contain oxygenase a detoxification enzyme
  done clear
  D)
   They are not found in intact cells
  done clear
  View Answer play_arrow

• question_answer158) Menstrual cycle is the cyclic changes in the reproductive tract of primate females. Given below are some statements related with menstrual cycle.

  I. Oestrogen is the hormone active during proliferative phase.

  II. The uterine endometrium and glands grow further during secretory phase.

  III. At the end of proliferative phase, corpus luteum degenerates in the ovary.

  IV. The cycle ends with the menstrual phase, when menstrual flow occurs and lasts for 3-5 days.

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

• question_answer159) Elevated blood levels of certain enzymes suggest a related disease. Match the enzyme in column I with related disease in column II.

  Column I	Column II
  A. Amylase	1. Liver disease
  B. Glutamate dehydrogenase	2. Myocardial infarction
  C. Alkaline phosphatase	3. Liver or bone disease
  D. Creatine kinase	4. Pancreatic disease

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

• question_answer160) Utriculus of internal ear is
  A)
   lower chamber related with equilibrium
  done clear
  B)
   lower chamber related with receiving sound waves
  done clear
  C)
   upper chamber related with receiving sound waves
  done clear
  D)
   upper chamber related with equilibrium
  done clear
  View Answer play_arrow

• question_answer161) Testicular   Sperm   Aspiration   (TESA) technique involves
  A)
   collection of eggs
  done clear
  B)
   insemination of donated sperm into womans uterus
  done clear
  C)
   collection of sperms from the testis surgically
  done clear
  D)
   collection of sperms from efferent ducts
  done clear
  View Answer play_arrow

• question_answer162) Darwin in the theory of natural selection states that
  A)
   characters acquired during the life of an individual are inherited by its off springs
  done clear
  B)
   environment does not play any role in the evolution
  done clear
  C)
   natural selection acts on favourable variations, which appear among individuals of a species
  done clear
  D)
   heritable variations arises through changes in the gene complex of species
  done clear
  View Answer play_arrow

• question_answer163) The most appropriate definition of neuroglial cells are
  A)
   non-sensory and supporting cells
  done clear
  B)
   secretory cells
  done clear
  C)
   sensory and supporting cells
  done clear
  D)
   non-sensory supporting or secretory cells
  done clear
  View Answer play_arrow

• question_answer164) Thousand of years old mummies are still in their condition as they were before due to some reason. Which of the following describe it the best?
  A)
   Due to non-destruction of yellow elastin fibre
  done clear
  B)
   Due to non-destruction of white elastin fibre
  done clear
  C)
   Due to non-destruction of collagen fibre
  done clear
  D)
   Due to non-destruction of veins
  done clear
  View Answer play_arrow

• question_answer165) Statements I Buffer is a compound that destabilises the pH of solution by removing or releasing hydrogen ions. Statement II Human blood has a buffer solution. Its pH is maintained by\[HCO_{3}^{-},{{H}^{+}}\] ions and\[C{{O}_{2}}\]concentration. Choose the correct option.
  A)
   Statement I is correct but II is incorrect
  done clear
  B)
   Statement II is correct but I is incorrect
  done clear
  C)
   Both statement are correct
  done clear
  D)
   Both statement are incorrect
  done clear
  View Answer play_arrow

• question_answer166) Which among the following statements is correct with respect to functional structure of glomerular membrane?

  I. The endothelium is perforated by small holes called fenestral.

  II. The basement membrane is present inside the endothelium and is composed of meshwork of collagen.

  III. The epithelium of visceral layer has cells, which are of peculiar shape and are called podocytes.

  IV. The shapes between pedicels are called slit pores through which glomerular filterate filters.

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

• question_answer167) Which of the following is true for blood doping?
  A)
   It is same as blood profiling
  done clear
  B)
   It is the transfer of blood from another person having same blood group
  done clear
  C)
   It is transfer of once own blood to increase the haemoglobin content to carry out more oxygen
  done clear
  D)
   It is doping of blood with ions and chemicals to purify it
  done clear
  View Answer play_arrow

• question_answer168) Man And Biosphere programme (MAB) was launched by UNESCO in 1971. Which of the following is not an objective of this programme?
  A)
   To provide opportunities for education and training
  done clear
  B)
   To promote international cooperation
  done clear
  C)
  To provide long term in situ conservation of genetic diversity
  done clear
  D)
   To provide protection to wild animals fauna
  done clear
  View Answer play_arrow

• question_answer169) What would not take place if chromaffin cells of adrenal medulla undergoes oncogenesis?
  A)
   High blood sugar and glucosuria
  done clear
  B)
   High BMP
  done clear
  C)
   Pheochromocytomas
  done clear
  D)
   Low blood pressure
  done clear
  View Answer play_arrow

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

  Column I	Column II
  A. Adenoma	1. Cancer of muscular tissue
  B. Lipoma of skin	2. Cancer of pigmented epithelium
  C. Glioma	3. Cancer of glands
  D. Myoma	4. Cancer of glial cells of central nervous system
  E. Melanoma	5. Cancer of adipose tissue

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

• question_answer171) Euryhaline species denotes an animal
  A)
   without osmoregulation
  done clear
  B)
   which lives in saline water
  done clear
  C)
   which has a wide range of saline tolerance
  done clear
  D)
   which has a wide range of temperature tolerance
  done clear
  View Answer play_arrow

• question_answer172) One key function of nuclear pores is to
  A)
   aid in the production of new nuclei
  done clear
  B)
   allow cells to communicate with each other
  done clear
  C)
   form connections between different organelles
  done clear
  D)
   allow molecules like protein to move in and out of the nucleus
  done clear
  View Answer play_arrow

• question_answer173) From the following pairs regarding the type of animal tissue with its location. Choose the incorrect ones.
  A)
   Pseudo stratified epithelium-.Eustachian tube
  done clear
  B)
   Keratinized stratified epithelium-Conjunctiva of Gyes
  done clear
  C)
   Squamous epithelium - Aiveoli of lungs
  done clear
  D)
   Cuboidal epithelium - Pancreatic ducts
  done clear
  View Answer play_arrow

• question_answer174) Read the following statements.

  I. Ocean acts as the global sink for\[C{{O}_{2}}\].

  II. The atmospheric input of carbon from rainfall is greater.

  III. Carbon gas is exchanged between organisms and atmosphere during respiration.

  IV. Human activities are increasing\[C{{O}_{2}}\]concentration in the atmosphere.

  Choose the incorrect options.
  A)
   Only I                  
  done clear
  B)
   II and IV
  done clear
  C)
   Only II                 
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer175) In biosystematics, the basis of classification is
  A)
   major morphological characters
  done clear
  B)
   cytological characters
  done clear
  C)
   evolutionary history considering various parameters from different fields of studies
  done clear
  D)
   phenotypic relationships between species
  done clear
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• question_answer176) Match the disease in column I with their characteristic symptoms in column II caused in brain.

  Column I	Column II
  A. Parkinsons disease	1. Refers to lack of muscle coordination Damage to cerebellum is a characteristic symptom.
  B. Dyslexia	2. Refers to the destruction of myelin sheath of neuron of CNS.
  C. Alaxia	3. It is characterised by tremors and progressive rigidity of limbs caused by degeneration of neurons.
  D. Multiple sclerosis	4. Involves an inability of an individual to comprehend the written language.

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

• question_answer177) The most ancient member of the genus Homo belonged to which of the following species or sub-species?
  A)
    Fossilis                               
  done clear
  B)
   Sapiens
  done clear
  C)
   Erectus                               
  done clear
  D)
   Habilis
  done clear
  View Answer play_arrow

• question_answer178) Read the following statements about dentition.

  I. Dentistry refers to the study of teeth.

  II. Endodontics is the prevention and correction of abnormally aligned teeth.

  III. Orthodontics is the treatment of abnormal conditions   of tissues   immediately surrounding the teeth.

  IV. Penodontics is the prevention, diagnosis and treatment of dental diseases.

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

• question_answer179) Polysaccharides,     polypeptides     and polynucleotides have in common that they all
  A)
   contain amino acid
  done clear
  B)
   are formed in condensation reactions
  done clear
  C)
   contain nitrogen
  done clear
  D)
   come out in acid soluble pool
  done clear
  View Answer play_arrow

• question_answer180) A food web is more realistic than food chain tor showing the feeding relationship in an ecosystem because
  A)
   it compares the number of consumers to the number of microorganisms in an ecosystem
  done clear
  B)
   food chains use only a small sampling of organisms
  done clear
  C)
   a food web explains why there are more producers than consumers
  done clear
  D)
   producers are usually eaten by many different consumers and most consumers are eaten by more than one predator
  done clear
  View Answer play_arrow