Solved papers for J & K CET Medical J & K - CET Medical Solved Paper-2000

done J & K - CET Medical Solved Paper-2000 Total Questions - 225

• question_answer1) Which of the following is dimensionless?
  A)
   Universal gravitational constant
  done clear
  B)
   Relative permittivity
  done clear
  C)
   Relative velocity
  done clear
  D)
   Plancks constant
  done clear
  View Answer play_arrow

• question_answer2) A particle is acted upon by a force of constant magnitude which is always perpendicular to the velocity of the particle. The motion of the particle takes place in a plane. It follows :
  A)
   its velocity is constant
  done clear
  B)
   its kinetic energy is constant
  done clear
  C)
   its acceleration is constant
  done clear
  D)
   it moves in a straight line
  done clear
  View Answer play_arrow

• question_answer3) Two stones are projected with the same magnitude of velocity, but making different angles with horizontal, the angle of projection of one is \[\frac{\pi }{3}\] and its maximum height is Y, the maximum height attained by the other stone with \[\frac{\pi }{6}\] angle of projection is :
  A)
   Y                                            
  done clear
  B)
   2Y
  done clear
  C)
   3Y                                         
  done clear
  D)
  \[\frac{\pi }{6}\]
  done clear
  View Answer play_arrow

• question_answer4) A nucleus of mass number A originally at rest, emits alpha particle with speed v, the recoil speed of the daughter nucleus is:
  A)
  \[\frac{4v}{A-4}\]                                            
  done clear
  B)
  \[\frac{4v}{A+4}\]
  done clear
  C)
  \[\frac{v}{A-4}\]                                              
  done clear
  D)
  \[\frac{v}{A+4}\]
  done clear
  View Answer play_arrow

• question_answer5) The height at which body leaves the vertical circle is:
  A)
  \[\frac{2}{3}r\] 
  done clear
  B)
  \[\frac{3}{2}r\]
  done clear
  C)
   \[3r\]                                   
  done clear
  D)
  r
  done clear
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• question_answer6) Which of the following is a slow process?
  A)
   Isothermal                        
  done clear
  B)
   Adiabatic
  done clear
  C)
   Isobaric                                              
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer7) A hollow cylinder and a solid cylinder of the same mass and radius are released simulta-neously from rest at the top of the same inclined plane. Which will reach the ground first?
  A)
   Solid cylinder
  done clear
  B)
   Hollow cylinder
  done clear
  C)
   Both will reach at the same time
  done clear
  D)
   Cannot be predicted
  done clear
  View Answer play_arrow

• question_answer8) Let the value of acceleration due to gravity at poles and equator of earth \[{{g}_{p}}\]and \[{{g}_{e}}\]respectively. Assuming the earth to be a sphere of radius R rotating about its axis with angular speed \[\omega \] then \[{{g}_{p}}-\text{ }{{g}_{e}}\] is given by :
  A)
  \[\frac{{{\omega }^{2}}}{R}\]                                     
  done clear
  B)
  \[R{{\omega }^{2}}\]
  done clear
  C)
  \[{{R}^{2}}{{\omega }^{2}}\]                                      
  done clear
  D)
  \[\frac{{{\omega }^{2}}}{{{R}^{2}}}\]
  done clear
  View Answer play_arrow

• question_answer9) The orbital velocity of a satellite at a height h above the surface of earth is v. The value of escape velocity from the same location is given by:
  A)
   \[\sqrt{2}v\]                                     
  done clear
  B)
   v
  done clear
  C)
   \[\frac{v}{\sqrt{2}}\]                                    
  done clear
  D)
  \[\frac{v}{2}\]
  done clear
  View Answer play_arrow

• question_answer10) A wire of length L, radius r, when stretched with a force F, changes in length by I What will be the change in length in a wire of same material having length 2L, radius 2r and stretched by a force 2F?
  A)
   \[\frac{l}{2}\]                                   
  done clear
  B)
   \[l\]
  done clear
  C)
   \[2l\]                                   
  done clear
  D)
   4L
  done clear
  View Answer play_arrow

• question_answer11) A number of water droplets of radius r coalesce to form a drop of radius R. Assuming that the entire energy liberated due to coalesce goes into heating the drop, the rise in temperature d\[\theta \] is : (surface tension of water = T)
  A)
  \[\frac{2T}{rJ}\]                                
  done clear
  B)
  \[\frac{3T}{rJ}\]
  done clear
  C)
  \[\frac{3T}{J}\left[ \frac{1}{r}+\frac{1}{R} \right]\]                           
  done clear
  D)
  \[\frac{3T}{J}\left[ \frac{1}{r}-\frac{1}{R} \right]\]
  done clear
  View Answer play_arrow

• question_answer12) Two equal drops of water are falling through air with a steady velocity of 5 cm/s. If the drops coalesce, the new steady velocity of the coalesced drop will be :
  A)
   5 cm/s                                 
  done clear
  B)
   10 cm/s
  done clear
  C)
   7.9 cm/s                                             
  done clear
  D)
   6 cm/s
  done clear
  View Answer play_arrow

• question_answer13) A particle is vibrating in a simple harmonic motion with an amplitude 4 cm. At what displacement from the equilibrium is its energy half-potential and half-kinetic?
  A)
   \[2\sqrt{2}cm\]                                               
  done clear
  B)
   \[\sqrt{2}cm\]
  done clear
  C)
   3 cm                                     
  done clear
  D)
   1 cm
  done clear
  View Answer play_arrow

• question_answer14) Liquid rises to a height of 2 cm in a capillary tube. The angle of contact between the solid and the liquid is zero. The tube is depressed more now to that the tip of the capillary tube is only 1 cm above the liquid then, the apparent angle of contact between solid and liquid is :
  A)
  \[0{}^\circ \]
  done clear
  B)
  \[30{}^\circ \]
  done clear
  C)
  \[60{}^\circ \]
  done clear
  D)
  liquid just flows out and angle of contact is not well defined
  done clear
  View Answer play_arrow

• question_answer15) Which of the following is a necessary and sufficient condition for SHM?
  A)
   Constant period
  done clear
  B)
   Constant acceleration
  done clear
  C)
   Proportionality between acceleration and displacement from equilibrium position
  done clear
  D)
   Proportionality between restoring force and displacement from equilibrium position
  done clear
  View Answer play_arrow

• question_answer16) A simple pendulum suspended from the ceiling of a train has a period T when the train is at rest. When the train is accelerating with a uniform acceleration the time period of simple pendulum will:
  A)
   decrease                           
  done clear
  B)
   increase
  done clear
  C)
   remain unchanged        
  done clear
  D)
   become infinite
  done clear
  View Answer play_arrow

• question_answer17) In each fission of \[_{92}^{235}U\] energy of 200 MeV is released. How many acts of fission must occur per second to produce a power of 1 kW?
  A)
   \[3.1\times {{10}^{13}}\]                            
  done clear
  B)
   \[1.3\times {{10}^{16}}\]
  done clear
  C)
   \[1.3\times {{10}^{15}}\]                                            
  done clear
  D)
   \[3.1\times {{10}^{16}}\]
  done clear
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• question_answer18) During nuclear fusion reaction :
  A)
   a heavy nucleus breaks into two fragments by itself
  done clear
  B)
   a light nucleus bombarded by thermal neutrons breaks up
  done clear
  C)
   a heavy nucleus bombarded by thermal neutrons breaks up
  done clear
  D)
   two light nuclei combine to give a heavier nucleus and possibly other products
  done clear
  View Answer play_arrow

• question_answer19) A unit cell defined by sides \[a\ne b\ne c\]and angles \[\alpha \ne \beta \ne \gamma \] is :
  A)
   triclinic                                
  done clear
  B)
   monoclinic
  done clear
  C)
   orthorhombic                  
  done clear
  D)
   hexagonal
  done clear
  View Answer play_arrow

• question_answer20) n-type semiconductor is formed :
  A)
                   when a Ge crystal is doped with an impurity containing 3 valence electrons
  done clear
  B)
   when a Ge crystal is doped with an impurity containing 5 valence electrons
  done clear
  C)
   from pure Ge crystal
  done clear
  D)
   from pure Si crystal
  done clear
  View Answer play_arrow

• question_answer21) In a semiconductor diode, P side is earthed and N side is applied to a potential of 2 V. The diode shall :
  A)
   not conduct                      
  done clear
  B)
   conduct
  done clear
  C)
   conduct partially                             
  done clear
  D)
   breakdown
  done clear
  View Answer play_arrow

• question_answer22) Which of the following is less in case of common emitter amplifier?
  A)
   Power gain                       
  done clear
  B)
   Current gain
  done clear
  C)
   Voltage gain                     
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer23) A well cut diamond appears bright because :
  A)
   it is radioactive
  done clear
  B)
   it emits light
  done clear
  C)
   it has high density
  done clear
  D)
   of total internal reflection
  done clear
  View Answer play_arrow

• question_answer24) The angle of deviation for a prism is greater for:
  A)
   violet colour                     
  done clear
  B)
   blue colour
  done clear
  C)
   green colour                    
  done clear
  D)
   red colour
  done clear
  View Answer play_arrow

• question_answer25) When light passes through a dispersive medium, it breaks up into various colours. Which of the following statements is correct?
  A)
   Velocity of light for violet is greater than velocity of light for red in dispersive medium
  done clear
  B)
   Velocity of light for violet less than the velocity of light for red in dispersive medium
  done clear
  C)
   Velocity of light is same for all colours in the dispersive medium
  done clear
  D)
   Velocity of light has nothing to do with the phenomenon of dispersion
  done clear
  View Answer play_arrow

• question_answer26) A spectrum in which no frequencies between its limits are missing is called :
  A)
   continuous spectrum
  done clear
  B)
   Fraunhofer lines
  done clear
  C)
   emissive spectrum
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer27) According to Huygens wave theory, point on any wavefront may be regarded as :
  A)
   a photon
  done clear
  B)
   an electron
  done clear
  C)
   a new source of wave
  done clear
  D)
   neutron
  done clear
  View Answer play_arrow

• question_answer28) The transverse nature of light is shown by :
  A)
   interference of light     
  done clear
  B)
   diffraction
  done clear
  C)
   radiation spectrum of a black body
  done clear
  D)
   polarization
  done clear
  View Answer play_arrow

• question_answer29) In a closed organ pipe, the frequency of fundamental note is 50 Hz. The note of which of the following frequencies will not be emitted by it?
  A)
   50 Hz                                   
  done clear
  B)
   100 Hz
  done clear
  C)
   150 Hz                                 
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer30) A cylindrical tube open at both ends has a fundamental frequency \[f\] in air. The tube is dipped vertically in water, so that half of it is in water. The fundamental frequency of the air column is now:
  A)
  \[\frac{f}{2}\]                                   
  done clear
  B)
  \[\frac{3f}{4}\]
  done clear
  C)
  \[f\]                                      
  done clear
  D)
  \[2f\]
  done clear
  View Answer play_arrow

• question_answer31) The fundamental frequency of a string stretched with a weight of 4 kg is 256 Hz. The weight required to produce its octave is :
  A)
   4 kg-wt                                               
  done clear
  B)
   8 kg-wt
  done clear
  C)
   12 kg-wt                                             
  done clear
  D)
   16 kg-wt
  done clear
  View Answer play_arrow

• question_answer32) Radiowaves of wavelength X are sent from a radar towards an aeroplane. The aeroplane is approaching towards the radar station. The wavelength of the radiowaves received after reflection from the aeroplane will be :
  A)
  \[\lambda \]                                      
  done clear
  B)
   more than\[\lambda \]
  done clear
  C)
   less than \[\lambda \]
  done clear
  D)
   depends on speed of aeroplane
  done clear
  View Answer play_arrow

• question_answer33) According to kinetic theory of gases, molecules of a gas behave like :
  A)
   inelastic spheres
  done clear
  B)
   perfectly elastic rigid spheres
  done clear
  C)
   perfectly elastic non-rigid spheres
  done clear
  D)
   inelastic non-rigid spheres
  done clear
  View Answer play_arrow

• question_answer34) 70 cal of heat are required to raise the temperature of 2 moles of an ideal gas at constant pressure from \[30{}^\circ C\] to \[35{}^\circ C\]. The amount of heat required in calories to raise the temperature of the same gas through the same range \[\left( 30{}^\circ C-35{}^\circ C \right)\] at constant volume is :
  A)
   30 cal                                   
  done clear
  B)
   50 cal
  done clear
  C)
   370 cal                                 
  done clear
  D)
   90 cal
  done clear
  View Answer play_arrow

• question_answer35) A monoatomic gas \[\left( \gamma =\frac{5}{3} \right)\]suddenly compressed to\[\frac{1}{8}\] th of the original volume adiabatically, then the pressure of the gas will become how many times larger than the pressure originally?
  A)
   32                                         
  done clear
  B)
  \[\frac{40}{3}\]
  done clear
  C)
   8                                            
  done clear
  D)
   same as before
  done clear
  View Answer play_arrow

• question_answer36) An engineer claims to have made an engine delivering 10 kW power with fuel consumption of 1 g/s. The calorific value of the fuel is 2 kcal/g. The claim of the engineer :
  A)
   is valid
  done clear
  B)
   is invalid
  done clear
  C)
   depends on engine design
  done clear
  D)
   depends on the load
  done clear
  View Answer play_arrow

• question_answer37) A sphere, a cube and a thin circular plate, all made of same material and having the same mass are initially heated to the same temperature of \[200{}^\circ C\], which of them cools fastest when left in air at room temperature:
  A)
   sphere                                
  done clear
  B)
   cube
  done clear
  C)
   circular plate                    
  done clear
  D)
   all at the same rate
  done clear
  View Answer play_arrow

• question_answer38) The temperature of sun is 5500 K and it emits maximum intensity radiation in the yellow region \[\left( {{\lambda }_{m}}=5.5\times {{10}^{-7}}m \right)\] The maximum radiation from a furnace occurs at wavelength \[11\times 10\text{ }m.\]The temperature of furnace is :
  A)
   1125 K                                 
  done clear
  B)
   2750 K
  done clear
  C)
   5500 K                                 
  done clear
  D)
   11000 K
  done clear
  View Answer play_arrow

• question_answer39) A hollow charged metal sphere has a radius r. If the potential difference between its surface and a point at a distance 3 r from the centre is V, then the electric intensity at a distance 3 r from the centre is :
  A)
  \[\frac{v}{6r}\]                                 
  done clear
  B)
  \[\frac{v}{4r}\]
  done clear
  C)
  \[\frac{V}{3r}\]                                
  done clear
  D)
  \[\frac{V}{2r}\]
  done clear
  View Answer play_arrow

• question_answer40) The equivalent capacitance in the following circuit is :
  A)
   \[2\mu F\]                                        
  done clear
  B)
  \[1\mu F\]
  done clear
  C)
  \[1.5\mu F\]                                      
  done clear
  D)
  \[3\mu F\]
  done clear
  View Answer play_arrow

• question_answer41) An electrical cable of copper has just one wire of radius 9 mm. Its resistance is 10\[\Omega \]. Thus, single Cu cable is to be replaced by another cable containing 10 well insulated Cu wires each of radius 3 mm. The resistance of the new cable is:
  A)
   7.50\[\Omega \]                                             
  done clear
  B)
   9\[\Omega \]
  done clear
  C)
   9.5\[\Omega \]                                               
  done clear
  D)
   10\[\Omega \]
  done clear
  View Answer play_arrow

• question_answer42) If the current flowing through a Cu wire of 1 mm diameter is 1.1 A. The drift velocity of electrons is:
  A)
   0.1 mm/s                           
  done clear
  B)
   0.2mm/s
  done clear
  C)
   0.3 mm/s                           
  done clear
  D)
   0.5 mm/s
  done clear
  View Answer play_arrow

• question_answer43) When a 40 W lamp is connected in series with a 100 W lamp across a 210 V supply, which one glows brighter?
  A)
   100 W lamp
  done clear
  B)
   40 W lamp
  done clear
  C)
   Both will glow equally
  done clear
  D)
   It cannot be predicted
  done clear
  View Answer play_arrow

• question_answer44) Which one of the following causes production of heat when current is set up in a wire?
  A)
   Fall of electrons from higher orbits to lower orbits
  done clear
  B)
   Interatomic collisions
  done clear
  C)
   Inter electron collisions
  done clear
  D)
   Collisions of conduction electrons with atoms
  done clear
  View Answer play_arrow

• question_answer45) An electric charge in uniform motion produces :
  A)
   an electric field only
  done clear
  B)
   magnetic field only
  done clear
  C)
   both electric and magnetic field
  done clear
  D)
   no fields at all
  done clear
  View Answer play_arrow

• question_answer46) A rectangular loop carrying a current i is situated near a long straight wire such that the current carrying wire is parallel to one of the sides of a loop. If a steady current is established in a wire the loop will:
  A)
   rotate about an axis parallel to the wire
  done clear
  B)
   move away from the wire
  done clear
  C)
   move towards the wire
  done clear
  D)
   remains stationary
  done clear
  View Answer play_arrow

• question_answer47) The sensitivity of a moving coil galvanometer depends on :
  A)
   angle of deflection
  done clear
  B)
   earths magnetic field
  done clear
  C)
   moment of inertia of the coil
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer48) An infinite straight current carrying conductor is bent into a circle as shown in the figure. If the radius of the circle is R, the magnetic field at the centre of the coil is:
  A)
   infinite                                
  done clear
  B)
   zero
  done clear
  C)
   \[\frac{{{\mu }_{0}}2i}{4\pi R}\pi \]                                        
  done clear
  D)
  \[\frac{{{\mu }_{0}}2i}{4\pi R}(\pi +1)\]
  done clear
  View Answer play_arrow

• question_answer49) A proton enters a magnetic field with velocity parallel to the magnetic field. The path followed by the proton is a :
  A)
   circle                                    
  done clear
  B)
   parabola
  done clear
  C)
   helix                                    
  done clear
  D)
   straight line
  done clear
  View Answer play_arrow

• question_answer50) In the Seebeck series bismuth occurs first followed by Cu and Fe among other. The Sb is the last in series. If \[{{V}_{1}}\] be the thermo emf at the given temperature difference for Bi-Sb thermocouple and \[{{V}_{2}}\]be that for Cu-Fe thermocouple, then :
  A)
   \[{{V}_{1}}=\text{ }{{V}_{2}}\]                                                   
  done clear
  B)
   \[{{V}_{1}}<\text{ }{{V}_{2}}\]
  done clear
  C)
   \[{{V}_{1}}>\text{ }{{V}_{2}}\]                                 
  done clear
  D)
   data insufficient
  done clear
  View Answer play_arrow

• question_answer51) Which of the following is a characteristic temperature for the thermocouple?
  A)
   Temperature of cold junction
  done clear
  B)
   Temperature of hot junction
  done clear
  C)
   Temperature of inversion
  done clear
  D)
   Neutral temperature
  done clear
  View Answer play_arrow

• question_answer52) When a magnet is moved with its north pole towards a coil placed in a closed circuit, then the nearest face of the coil shows :
  A)
   south polarity
  done clear
  B)
   north polarity
  done clear
  C)
   no polarity
  done clear
  D)
   sometimes north and sometimes south polarity
  done clear
  View Answer play_arrow

• question_answer53) The expression for the induced emf contains negative sign \[\left( E=\frac{-d\theta }{dt} \right).\] What is the significance of negative sign?
  A)
   The induced emf is produced only the negative flux decreases
  done clear
  B)
   The induced emf opposes the change in the magnetic flux
  done clear
  C)
   The induced emf is opposite to the direction of the flux
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer54) When the number of turns in a coil is doubled without any change in the length of the coil, its self-inductance becomes :
  A)
   4 times                                
  done clear
  B)
   2 times
  done clear
  C)
   halved                                
  done clear
  D)
   remains unchanged
  done clear
  View Answer play_arrow

• question_answer55) A step up transformer operates on a 200 V line and supplies to a load of 2 A. The ratio of primary to secondary windings is 1:25. Determine the primary current.
  A)
   8.8 A                                    
  done clear
  B)
   0.08 A
  done clear
  C)
   12.5 A                                  
  done clear
  D)
   50 A
  done clear
  View Answer play_arrow

• question_answer56) In an AC circuit the instantaneous values of emf and current are E = 200 sin 314t volt and\[i=\frac{1}{2}\sin \] ampere. The average power consumed in watts is:
  A)
   200                                       
  done clear
  B)
   100
  done clear
  C)
   50                                         
  done clear
  D)
   25
  done clear
  View Answer play_arrow

• question_answer57) A series LCR circuit is tuned to resonance. The impedance of the circuit at resonance is :
  A)
  \[{{\left[ {{R}^{2}}+{{\left( \omega L-\frac{1}{\omega C} \right)}^{2}} \right]}^{{1}/{2}\;}}\]
  done clear
  B)
  \[{{\left[ {{R}^{2}}+{{(\omega L)}^{2}}+{{\left( \frac{1}{\omega C} \right)}^{2}} \right]}^{{1}/{2}\;}}\]
  done clear
  C)
  \[{{\left[ {{R}^{2}}+{{\left( \frac{1}{\omega C} \right)}^{2}} \right]}^{{1}/{2}\;}}\]
  done clear
  D)
   R
  done clear
  View Answer play_arrow

• question_answer58) In a Millikan oil drop experiment an oil drop carrying a charge of 2e is kept balanced between two parallel plates 2 cm apart, when a potential difference of 12000 V is applied to them, the radius of the oil drop is : \[(\rho =2\times {{10}^{3}}kg/{{m}^{2}})\]
  A)
   \[1.3\times {{10}^{-6}}m\]                         
  done clear
  B)
   \[3.4\times {{10}^{-5}}m\]
  done clear
  C)
  \[~4\times {{10}^{-6}}m\]                           
  done clear
  D)
   \[5\times {{10}^{-6}}m\]
  done clear
  View Answer play_arrow

• question_answer59) Light of wavelength 0.6 \[\mu \]m from a sodium lamp falls on a photocell and causes the emission of photoelectrons for which the stopping potential is 0.5 V. With light of wavelength 0.4 \[\mu \]m from a sodium lamp, the stopping potential is 1.5 V. With this data, the value of \[\frac{h}{e}\] is :
  A)
   \[4\times {{10}^{-59}}Vs\]                         
  done clear
  B)
   \[0.25\times {{10}^{55}}Vs\]
  done clear
  C)
   \[4\times {{10}^{-15}}Vs\]                         
  done clear
  D)
   \[4\times {{10}^{-8}}Vs\]
  done clear
  View Answer play_arrow

• question_answer60) In photoelectric effect, the number of photoelectrons emitted is proportional to :
  A)
   intensity of incident beam
  done clear
  B)
   frequency of incident beam
  done clear
  C)
   velocity of incident beam
  done clear
  D)
   work function of photocathode
  done clear
  View Answer play_arrow

• question_answer61) The ratio of radii of nuclei \[_{13}^{27}\]Al and \[_{52}^{152}Te\] is approximately:
  A)
   6 : 10                                    
  done clear
  B)
   13 : 52
  done clear
  C)
   40 : 177                                               
  done clear
  D)
   14 : 7
  done clear
  View Answer play_arrow

• question_answer62) A source of light is placed at a distance of 1 m from a photocell and the cut-off potential is found to be V0. If the lamp is now placed at a distance of 2 m, the cut-off potential will become :
  A)
  \[2{{V}_{0}}\]                                   
  done clear
  B)
  \[\frac{{{V}_{0}}}{2}\]
  done clear
  C)
  \[\frac{{{V}_{0}}}{4}\]                                   
  done clear
  D)
   \[{{V}_{0}}\]
  done clear
  View Answer play_arrow

• question_answer63) According to Bohr theory the radius of electron orbit described by principal atomic number n and for atomic number Z is proportional:
  A)
  \[{{Z}^{2}}{{n}^{2}}\]                                     
  done clear
  B)
  \[\frac{{{Z}^{2}}}{{{n}^{2}}}\]
  done clear
  C)
   \[\frac{{{n}^{2}}}{Z}\]                                  
  done clear
  D)
  \[\frac{{{Z}^{2}}}{n}\]
  done clear
  View Answer play_arrow

• question_answer64) According to Bohrs postulate which of the following take discrete value?
  A)
   Kinetic energy
  done clear
  B)
   Potential energy
  done clear
  C)
   Angular momentum
  done clear
  D)
   Linear momentum
  done clear
  View Answer play_arrow

• question_answer65) If elements with principal quantum number n > 4 were not allowed in nature, the number of possible elements would be :
  A)
   60                                         
  done clear
  B)
   32
  done clear
  C)
   34                                         
  done clear
  D)
   64
  done clear
  View Answer play_arrow

• question_answer66) The nucleus of an atom consists of :
  A)
   electrons and protons
  done clear
  B)
   electrons, protons and neutrons
  done clear
  C)
   electrons and neutrons
  done clear
  D)
   neutrons and protons
  done clear
  View Answer play_arrow

• question_answer67) Which of the following is not correct? In Bohr model of hydrogen atom :
  A)
   the radius of nth orbit is proportional to n2
  done clear
  B)
   the total energy of electron in nth orbit is proportional to n
  done clear
  C)
   the angular momentum of an electron in an orbit is an integral multiple of \[\frac{h}{2\pi }\]
  done clear
  D)
   the magnitude of the potential energy of an electron in any orbit is greater than its kinetic energy
  done clear
  View Answer play_arrow

• question_answer68) 1 mg of radius has \[2.68\times {{10}^{18}}\] nuclei. Its half-life is 1620 yr. After 3240 yr, how many nuclei would have disintegrated?
  A)
   \[1.82\times {{10}^{18}}\]                          
  done clear
  B)
   \[0.67\times {{10}^{18}}\]
  done clear
  C)
   \[1.34\times {{10}^{18}}\]                          
  done clear
  D)
   \[2.01\times {{10}^{11}}\]
  done clear
  View Answer play_arrow

• question_answer69) Two masses \[{{M}_{1}}\]and \[{{M}_{2}}\] are attached to the ends of a string which passes over a pulley attached to the top of an inclined plane. The angle of inclination of the plane is, 30° and \[{{M}_{1}}=10\text{ }kg,{{M}_{2}}=5\text{ }kg.\] What is the acceleration of mass \[{{M}_{2}}\]?
  A)
   \[10m/{{s}^{2}}~\]                        
  done clear
  B)
  \[~5m/{{s}^{2}}\]
  done clear
  C)
   \[\frac{2}{3}m/{{s}^{2}}\]                                           
  done clear
  D)
   Zero
  done clear
  View Answer play_arrow

• question_answer70) A choke coil is used in :
  A)
   AC circuit only                  
  done clear
  B)
   DC circuit only
  done clear
  C)
   AC and DC circuit
  done clear
  D)
   neither AC nor DC circuit
  done clear
  View Answer play_arrow

• question_answer71) The unit of molar gas constant is :
  A)
   \[J{{K}^{-1}}mo{{l}^{-1}}\]                         
  done clear
  B)
   J
  done clear
  C)
   JK                                          
  done clear
  D)
   \[Jmo{{l}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer72) The angle of projection for which the horizontal range is equal to the maximum height of a projectile is :
  A)
  \[\theta ={{\tan }^{-1}}(1)\]                       
  done clear
  B)
   \[\theta ={{\tan }^{-1}}\](4)
  done clear
  C)
   \[\theta ={{\tan }^{-1}}\](3)                      
  done clear
  D)
  \[\theta ={{\tan }^{-1}}\](2)
  done clear
  View Answer play_arrow

• question_answer73) A cyclist covers a circular path 34.3 cm long in \[\sqrt{22}s.\] The angle of inclination of the cyclist is : (Given, \[g=9.8\text{ }m/{{s}^{2}}\])
  A)
  \[50{}^\circ C\]                                 
  done clear
  B)
  \[45{}^\circ C\]
  done clear
  C)
  \[30{}^\circ C\]
  done clear
  D)
  \[60{}^\circ C\]
  done clear
  View Answer play_arrow

• question_answer74) Radius of gyration of a body depends on :
  A)
  mass and size of body
  done clear
  B)
  mass distribution and axis of rotation
  done clear
  C)
  size of body
  done clear
  D)
  mass of body
  done clear
  View Answer play_arrow

• question_answer75) The moment of inertia of a semicircular ring about its centre is :
  A)
  \[M{{R}^{2}}\]                                  
  done clear
  B)
  \[\frac{M{{R}^{2}}}{2}\]
  done clear
  C)
  \[\frac{M{{R}^{2}}}{4}\]                                               
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer76) Anomalous behaviour of nitrogen is due to:
  A)
   small size and high electronegativity
  done clear
  B)
  Non-availability of d-orbitals in the valence shell
  done clear
  C)
  ease of multiple bond formation
  done clear
  D)
  all of the above
  done clear
  View Answer play_arrow

• question_answer77) Which of the following cations has the maximum number of unpaired electrons?
  A)
  \[M{{n}^{2+}}\]                               
  done clear
  B)
   \[F{{e}^{2+}}\]
  done clear
  C)
   \[C{{o}^{2+}}\]                                
  done clear
  D)
   \[N{{i}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer78) Which of the following transition metal ion is not coloured?
  A)
   \[C{{u}^{2+}}\]                                
  done clear
  B)
   \[{{V}^{3+}}\]
  done clear
  C)
   \[C{{o}^{2+}}\]                                
  done clear
  D)
   \[N{{i}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer79) For the process: \[C{{O}_{2}}(s)\xrightarrow{{}}C{{O}_{2}}(s)\]
  A)
   both\[\Delta H\]and\[\Delta S\]are +ve.
  done clear
  B)
  \[\Delta H\]is -ve and\[\Delta S\]is +ve
  done clear
  C)
  \[\Delta H\]is +ve and\[\Delta S\]is\[-ve\]
  done clear
  D)
   both\[\Delta H\]and\[\Delta S\]are\[-ve\]
  done clear
  View Answer play_arrow

• question_answer80) Gel is a system of a:
  A)
   solid dispersed in liquid medium
  done clear
  B)
   solid dissolved in gaseous medium
  done clear
  C)
   liquid dissolved in liquid medium
  done clear
  D)
   liquid dispersed in solid medium
  done clear
  View Answer play_arrow

• question_answer81) For adsorption of gas in solid,\[\log \left( \frac{x}{m} \right)\]versus \[log\text{ }P\]is linear with the slope equal to:
  A)
   \[K\]                                    
  done clear
  B)
   \[log\,K\]
  done clear
  C)
   \[n\]                                    
  done clear
  D)
   \[\frac{1}{n}\]
  done clear
  View Answer play_arrow

• question_answer82) Osteomalacia in adults are produced by the deficiency of vitamin:
  A)
   \[{{B}_{6}}\]                                     
  done clear
  B)
   \[H\]
  done clear
  C)
   \[D\]                                    
  done clear
  D)
   \[E\]
  done clear
  View Answer play_arrow

• question_answer83) Protein that controls the metabolism of glucose:
  A)
   oxytocin                             
  done clear
  B)
   insulin
  done clear
  C)
   keratin                                
  done clear
  D)
   trypsin
  done clear
  View Answer play_arrow

• question_answer84) Which of the following is not present in RNA?
  A)
   Uracil                                   
  done clear
  B)
   Phosphate
  done clear
  C)
   Thymine                            
  done clear
  D)
   Ribose
  done clear
  View Answer play_arrow

• question_answer85) Bakelite is obtained from phenol by reaction with:
  A)
   acetaldehyde 
  done clear
  B)
   acetal
  done clear
  C)
   formaldehyde
  done clear
  D)
   chlorobenzene
  done clear
  View Answer play_arrow

• question_answer86) Terylene  is  a  polymer  produced  by condensation of ethylene glycol with:
  A)
   succinic acid      
  done clear
  B)
   terephthalic acid
  done clear
  C)
   oxalic acid          
  done clear
  D)
   adipic acid
  done clear
  View Answer play_arrow

• question_answer87) Leibermanns nitroso reaction may be used as a test for:
  A)
   \[{{1}^{o}}\]amine                        
  done clear
  B)
  \[{{2}^{o}}\]amine
  done clear
  C)
   \[{{3}^{o}}\]amine                        
  done clear
  D)
   quaternary amine
  done clear
  View Answer play_arrow

• question_answer88) Nitromethane reacts with chlorine in the presence of a base to give:
  A)
   chloroform       
  done clear
  B)
   chloropicrin
  done clear
  C)
   nitrosyi chloride              
  done clear
  D)
   chloromethane
  done clear
  View Answer play_arrow

• question_answer89) Which of the following will not undergo Hell-Volhard-Zelinsky reaction?
  A)
   Acetic acid
  done clear
  B)
   Formic acid
  done clear
  C)
   Propionic acid
  done clear
  D)
   2-methyl propionic acid
  done clear
  View Answer play_arrow

• question_answer90) The bond formed between carbon atom 1 and carbon atom 2 in compound \[\underset{1}{\mathop{C}}\,{{H}_{2}}=\underset{2}{\mathop{C}}\,=\underset{3}{\mathop{C}}\,H\underset{4}{\mathop{C}}\,{{H}_{3}}\]involves the hybrids as:
  A)
  \[sp\]and\[sp\]                               
  done clear
  B)
  \[s{{p}^{3}}\] and\[sp\]
  done clear
  C)
   \[s{{p}^{2}}\]and\[sp\]               
  done clear
  D)
  \[sp\]and\[s{{p}^{2}}\]
  done clear
  View Answer play_arrow

• question_answer91) Roasting is the process of heating the concentrated ore strongly:
  A)
   in the presence of excess of air
  done clear
  B)
   in the presence of limited supply of air
  done clear
  C)
   pin the absence of air
  done clear
  D)
   in the presence of nitrogen
  done clear
  View Answer play_arrow

• question_answer92) The ore horn silver corresponds to:
  A)
   \[AgCl\]                              
  done clear
  B)
   \[AgBr\]
  done clear
  C)
   \[A{{g}_{2}}S\]                                
  done clear
  D)
  \[3A{{g}_{2}}S.S{{b}_{2}}{{S}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer93) German silver is an alloy of:
  A)
  \[Cu+Zn+Ni\]
  done clear
  B)
  \[Ag+Cu+Zn\]
  done clear
  C)
   Cu and Zn                          
  done clear
  D)
   Ag and Ni
  done clear
  View Answer play_arrow

• question_answer94) IUPAC name of the compound \[C{{H}_{3}}C{{H}_{2}}\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{CH}}\,\underset{\begin{smallmatrix}  | \\ C{{H}_{2}}-{{(C{{H}_{2}})}_{3}}-C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,C{{H}_{2}}C{{H}_{2}}C{{H}_{3}}\]is:
  A)
   6,7-dimethyl, 1-7-n-propylnonane
  done clear
  B)
   4,5-dimethyl, 1-4-ethyldecane
  done clear
  C)
   3,4-dimethyl-4-n-propylnonane
  done clear
  D)
   6,7-dimethyl, 1-7-ethyldecane
  done clear
  View Answer play_arrow

• question_answer95) Which of the following is the correct statement for\[{{C}_{4}}H\]?
  A)
   It must have a double bond
  done clear
  B)
   It must have a triple bond
  done clear
  C)
   It should not have either a double or triple bond
  done clear
  D)
   Such a compound is impossible
  done clear
  View Answer play_arrow

• question_answer96) The number of sigma and pi-bonds in but-1-en-3-yne are:
  A)
   5 sigma and 5 pi
  done clear
  B)
   8 sigma and 3 pi
  done clear
  C)
   8 sigma and 2 pi
  done clear
  D)
   7 sigma and 2 pi
  done clear
  View Answer play_arrow

• question_answer97) Which of the following pairs represent stereoisomerism?
  A)
   Geometrical and position isomerism
  done clear
  B)
   Geometrical    and    conformational isomerism
  done clear
  C)
   Optical and functional isomerism
  done clear
  D)
   Metamerism and optical isomerism
  done clear
  View Answer play_arrow

• question_answer98) Vinyl alcohol and acetaldehyde are:
  A)
   chain isomers
  done clear
  B)
   keto-enol tautomers
  done clear
  C)
   geometrical isomers
  done clear
  D)
   position isomers
  done clear
  View Answer play_arrow

• question_answer99) A fuel containing 25% n-heptane and 75% iso-octane has got octane number:
  A)
   25                                         
  done clear
  B)
   50
  done clear
  C)
   75                                         
  done clear
  D)
   100
  done clear
  View Answer play_arrow

• question_answer100) Lindlars catalyst is:
  A)
  \[Pd\]and\[C{{O}_{2}}\]
  done clear
  B)
  \[Pd\]and\[{{H}_{2}}\]
  done clear
  C)
   palladised charcoal deactivated with sulphur
  done clear
  D)
   \[Pd\]and\[CaC{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer101) The reaction of phenol with alkaline chloroform gives salicylaldehyde, it is called:
  A)
   Gattermann aldehyde synthesis
  done clear
  B)
   Perkins reaction
  done clear
  C)
   Reimer-Tiemann reaction
  done clear
  D)
   Duff reaction
  done clear
  View Answer play_arrow

• question_answer102) If chloroform is left open in the presence of sunlight, then:
  A)
   polymerisation takes place
  done clear
  B)
   explosion takes place
  done clear
  C)
   poisonous phosgene gas is formed
  done clear
  D)
   no reaction takes place
  done clear
  View Answer play_arrow

• question_answer103) Which of the following property is not associated with glycerol?
  A)
   Formation of tartronic acid on oxidation
  done clear
  B)
   Formation of acrolein on dehydration
  done clear
  C)
   Formation of\[{{H}_{2}}O,\text{ }C{{O}_{2}}\]on reduction
  done clear
  D)
   Formation of allyl iodide with\[HI\]
  done clear
  View Answer play_arrow

• question_answer104) Which of the following is obtained when sodium phenoxide is heated with ethyl iodide?
  A)
   Phenetole
  done clear
  B)
   Phenol
  done clear
  C)
   Ethyl phenyl alcohol
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer105) Which of the following statements is false in case of epoxides?
  A)
   Epoxides are very reactive compounds due to the case of opening of highly strained three membered ring
  done clear
  B)
   The \[C-O\] bonds in the epoxides are weaker than in ordinary ethers
  done clear
  C)
   Epoxides are less stable than aliphatic ether molecule
  done clear
  D)
   Epoxides are inert as compared to ethers
  done clear
  View Answer play_arrow

• question_answer106) Formalin is a:
  A)
   100% solution of \[HCHO\]
  done clear
  B)
   40% solution of\[HCHO\]
  done clear
  C)
   60% solution of\[C{{H}_{3}}CHO\]
  done clear
  D)
   40% solution of\[C{{H}_{3}}CHO\]
  done clear
  View Answer play_arrow

• question_answer107) Which of the following is the least pure form of iron?
  A)
   Bessemer iron
  done clear
  B)
   Pig iron
  done clear
  C)
   Wrought iron   
  done clear
  D)
   Steel iron
  done clear
  View Answer play_arrow

• question_answer108) Washing soda has the formula:
  A)
   \[N{{a}_{2}}C{{O}_{3}}-7{{H}_{2}}O\]
  done clear
  B)
   \[N{{a}_{2}}C{{O}_{3}}-10{{H}_{2}}O\]
  done clear
  C)
   \[Na{{  }_{2}}C{{O}_{3}}-{{H}_{2}}O\]
  done clear
  D)
   \[N{{a}_{2}}C{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer109) The electronic configuration of chalcogens is:
  A)
  \[n{{s}^{2}}\text{ }n{{p}^{2}}\]                                 
  done clear
  B)
   \[n{{s}^{2}}\text{ }n{{p}^{3}}\]
  done clear
  C)
   \[n{{s}^{2}}\text{ }n{{p}^{4}}\]                                
  done clear
  D)
   \[n{{s}^{2}}\text{ }n{{p}^{1}}\]
  done clear
  View Answer play_arrow

• question_answer110) The preparation ofethylacetoacetate involves:
  A)
   Reformatsky reaction
  done clear
  B)
   Claisen condensation
  done clear
  C)
   Cannizaros reaction
  done clear
  D)
   Wittig reaction
  done clear
  View Answer play_arrow

• question_answer111) Acetamide on heating with\[{{P}_{4}}{{O}_{10}}\]gives:
  A)
   \[C{{H}_{3}}NC\]                            
  done clear
  B)
   \[C{{H}_{3}}CN\]
  done clear
  C)
   \[C{{H}_{3}}COOH\]      
  done clear
  D)
  \[{{(C{{H}_{3}}CO)}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer112) Neutron is a fundamental particle carrying:
  A)
   a charge of\[+1\]unit and a mass of one unit
  done clear
  B)
   no charge and a mass of one unit
  done clear
  C)
   no charge and no mass
  done clear
  D)
   a charge of\[-1\]unit and no mass
  done clear
  View Answer play_arrow

• question_answer113) Which of the following rays are highly toxic to living being?
  A)
   \[\gamma -\]rays                           
  done clear
  B)
  \[\beta -\]rays
  done clear
  C)
   \[\alpha -\]rays               
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer114) The equilibrium will be shifted in the opposite direction if: \[PC{{l}_{3}}(g)+C{{l}_{2}}(g)PC{{l}_{5}}(g)\]
  A)
  \[PC{{l}_{3}}\]is added
  done clear
  B)
   helium gas is added
  done clear
  C)
   catalyst is added
  done clear
  D)
   pressure is reduced
  done clear
  View Answer play_arrow

• question_answer115) If pH value of 0.1 mol/L\[HCl\] is nearly 1, then pH value of 0.05 mol/L\[{{H}_{2}}S{{O}_{4}}\]is:
  A)
   0.5                                        
  done clear
  B)
   1.0
  done clear
  C)
   0.05                                      
  done clear
  D)
   2.00
  done clear
  View Answer play_arrow

• question_answer116) Blood cells retain their shape in solution which are:
  A)
   isotonic to blood
  done clear
  B)
   hypotonic to blood
  done clear
  C)
   hypertonic to blood
  done clear
  D)
   equinormal to blood
  done clear
  View Answer play_arrow

• question_answer117) The mixture of n-hexane and n-heptane is an example of:
  A)
   real solution     
  done clear
  B)
   dilute solution
  done clear
  C)
   ideal solution  
  done clear
  D)
   non-real solution
  done clear
  View Answer play_arrow

• question_answer118) Equal volumes of molar hydrochloric acid and sulphuric acid are neutralized by dilute\[NaOH\]solution and\[x\]kcals and y kcals of heat are liberated respectively. Which of the following is true?
  A)
  \[x=y\]                                
  done clear
  B)
   \[x=\frac{1}{2}y\]
  done clear
  C)
   \[x=2y\]                             
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer119) Which of the following organometallic compound is\[\sigma \]and\[\pi -\]bonded?
  A)
   \[[Fe{{({{\eta }^{5}}-{{C}_{2}}{{H}_{5}})}_{2}}]\]
  done clear
  B)
   \[[PtC{{l}_{3}}({{\eta }^{2}}-{{C}_{2}}{{H}_{4}})]\]
  done clear
  C)
   \[{{[Co{{(CO)}_{5}}N{{H}_{3}}]}^{2+}}\]
  done clear
  D)
   \[Al{{(C{{H}_{3}})}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer120) How many coulombs of electricity are consumed when 100 mA current is passed through a solution of\[AgN{{O}_{3}}\]for half an hour during an electrolysis experiment?
  A)
   108                                       
  done clear
  B)
   18000
  done clear
  C)
   180                                       
  done clear
  D)
   3000
  done clear
  View Answer play_arrow

• question_answer121) \[{{E}^{o}}\]value of\[M{{g}^{2+}}/Mg,F{{e}^{2+}}/Fe\]and \[Z{{n}^{2+}}/Zn\]are\[-2.37\text{ }V,-0.44\text{ }V\]and\[-\,0.76\text{ }V\] respectively. The correct statement is:
  A)
   Mg oxidises Fe
  done clear
  B)
   Zn oxidises Fe
  done clear
  C)
   Zn reduces\[M{{g}^{2+}}\]
  done clear
  D)
   Zn reduces\[F{{e}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer122) The behaviour of a real gas approaches that of an ideal gas at:
  A)
   high temperature and low pressure
  done clear
  B)
   low temperature and high pressure
  done clear
  C)
  \[{{0}^{o}}C\]and 760 mm of Hg
  done clear
  D)
   \[{{100}^{o}}C\] and 760 mm of Hg
  done clear
  View Answer play_arrow

• question_answer123) The first ionization potential of\[Na,Mg,\text{ }Al\]and\[Si\]are in order:
  A)
   \[Na<Mg>Al<Si\]
  done clear
  B)
   \[Na>Mg>Al>Si\]
  done clear
  C)
   \[Na<Mg<Al<Si\]
  done clear
  D)
   \[Na>Mg>Al<Si\]
  done clear
  View Answer play_arrow

• question_answer124) Of the metals\[Be,\text{ }Mg,\text{ }Ca\]and Sr of group 2 in the periodic table, the least ionic chloride will be formed by:
  A)
   Be                                         
  done clear
  B)
   Ca
  done clear
  C)
   Mg                                       
  done clear
  D)
   Sr
  done clear
  View Answer play_arrow

• question_answer125) The highest oxidation state achieved by transition metal is given by:
  A)
   ns electrons
  done clear
  B)
  \[(n-1)d\] electrons
  done clear
  C)
  \[(n+1)d\] electrons
  done clear
  D)
  \[ns(n-1)d\] electrons
  done clear
  View Answer play_arrow

• question_answer126) Which of the following compounds exhibit co-ordination isomerism?
  A)
   \[[Co{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]Cl\]
  done clear
  B)
   \[[Co{{(N{{H}_{3}})}_{6}}][Cr{{(CN)}_{6}}]\]
  done clear
  C)
   \[[Co{{(e{{n}_{2}})}_{2}}]{{[N{{O}_{2}}]}_{3}}\]
  done clear
  D)
   \[[Cr{{({{H}_{2}}O)}_{6}}]C{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer127) The oxidation number of platinum in\[{{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}\]is:
  A)
   +1                                         
  done clear
  B)
   +2
  done clear
  C)
   +3                                         
  done clear
  D)
   +4
  done clear
  View Answer play_arrow

• question_answer128) Gold number is an index for:
  A)
   amount of gold present in colloid
  done clear
  B)
   amount of gold required to present the colloid
  done clear
  C)
   amount of gold required to break the colloid
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer129) The predominant intermolecular forces in HF is due to:
  A)
   dipole-induced dipole interaction
  done clear
  B)
   hydrogen bond formation
  done clear
  C)
   dispersion interaction
  done clear
  D)
   dipole-dipole interaction
  done clear
  View Answer play_arrow

• question_answer130) At 298 K, the standard reduction potentials for the following half reactions are given as:

  \[Z{{n}^{2+}}+2{{e}^{}}\xrightarrow{{}}Zn(s)\]                         \[\,0.762\]

  \[C{{r}^{3+}}(aq)+3{{e}^{}}\xrightarrow{{}}Cr(s)\]                                 \[\,0.740\]

  \[2{{H}^{+}}(aq)+2{{e}^{}}\xrightarrow{{}}{{H}_{2}}(g)\]                      \[0.00\]

  \[F{{e}^{3+}}(aq)+3{{e}^{}}\xrightarrow{{}}Fe(aq)\]                   \[+\,0.770\]

  The strongest reducing agent is:
  A)
   Zn (s)                                   
  done clear
  B)
   H (s)
  done clear
  C)
   Cr (s)                                   
  done clear
  D)
   Fe (s)
  done clear
  View Answer play_arrow

• question_answer131) Transition from\[n=4,5,6\]to\[n=3\]in hydrogen spectrum gives:
  A)
   Lyman series    
  done clear
  B)
   Balmer series
  done clear
  C)
   Paschen series                
  done clear
  D)
   P fund series
  done clear
  View Answer play_arrow

• question_answer132) 2.0 g of oxygen contains number of atoms equal to that in:
  A)
   4.0 g of sulphur
  done clear
  B)
   7.0 g of nitrogen
  done clear
  C)
   0.5 g of hydrogen
  done clear
  D)
   2.3 got sodium
  done clear
  View Answer play_arrow

• question_answer133) An element\[X\]loses\[1\,\alpha \]and\[2\beta -\] particles in three successive stages. The resulting element will be:
  A)
   an isobar of X   
  done clear
  B)
   an isotope of X
  done clear
  C)
   an isotone of X                
  done clear
  D)
   X itself
  done clear
  View Answer play_arrow

• question_answer134) The reaction\[A\xrightarrow{{}}B\]follows a second order kinetics. Doubling the concentration of A will increase the rate of formation of B by a factor of:
  A)
   2                                            
  done clear
  B)
   \[\frac{1}{2}\]
  done clear
  C)
   4                                            
  done clear
  D)
   \[\frac{1}{4}\]
  done clear
  View Answer play_arrow

• question_answer135) In an exothermic reaction at\[{{10}^{o}}C\]rise in temperature will:
  A)
   decrease the value of equilibrium constant
  done clear
  B)
   double the value of\[{{K}_{c}}\]
  done clear
  C)
   do not produce any change in\[{{K}_{c}}\]
  done clear
  D)
   produce some change in\[{{K}_{c}}\]
  done clear
  View Answer play_arrow

• question_answer136) Number of molecules in one litre of water is close to:
  A)
  \[55.5\times 6.023\times {{10}^{23}}\]
  done clear
  B)
   \[18\times 6.023\times {{10}^{23}}\]
  done clear
  C)
   \[18\div 22.4\times {{10}^{23}}\]
  done clear
  D)
   \[1.8\times {{10}^{23}}\]
  done clear
  View Answer play_arrow

• question_answer137) The change in heat energy of a chemical reaction at constant temperature and pressure is called:
  A)
   enthalpy
  done clear
  B)
   free energy
  done clear
  C)
   internal energy
  done clear
  D)
   bond energy
  done clear
  View Answer play_arrow

• question_answer138) Which of the following methods of expressing the   concentration   is   independent of temperature?
  A)
   Molarity                             
  done clear
  B)
   Molality
  done clear
  C)
   Normality                          
  done clear
  D)
   Formality
  done clear
  View Answer play_arrow

• question_answer139) Which of the following solutions would produce maximum elevation in boiling point?
  A)
   0.1 M\[BaC{{l}_{2}}\]   
  done clear
  B)
  \[0.1\text{ }M\text{ }KCl\]
  done clear
  C)
   0.1 M glucose  
  done clear
  D)
   0.1 M sucrose
  done clear
  View Answer play_arrow

• question_answer140) When\[HCl\]gas is passed through a saturated solution of\[NaCl\](brine), then the solubility of \[NaCl\]:
  A)
   increases                           
  done clear
  B)
   decreases
  done clear
  C)
   remains same  
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer141) If the concentration is expressed in mole per litre, the unit of rate constant for a first order reaction is:
  A)
   \[mol\,{{L}^{-1}}\]                         
  done clear
  B)
   \[L\text{ }mo{{l}^{-1}}\]
  done clear
  C)
   \[{{s}^{-1}}\]                                    
  done clear
  D)
   \[mol\,{{L}^{-1}}\,{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer142) Hesss law is used for the determination of:
  A)
   heat of formation
  done clear
  B)
   heat of reaction
  done clear
  C)
   heat of transition
  done clear
  D)
   all of the above
  done clear
  View Answer play_arrow

• question_answer143) Which of the following is a polar molecule?
  A)
   \[C{{O}_{2}}\]                                  
  done clear
  B)
  \[CHC{{l}_{3}}\]
  done clear
  C)
   \[CC{{l}_{4}}\]                                 
  done clear
  D)
  \[C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer144) Each unit cell of\[NaCl\]consists of 6 chlorine atoms and:
  A)
   13 Na atoms     
  done clear
  B)
   14 Na atoms
  done clear
  C)
   8 Na atoms       
  done clear
  D)
   6 Na atoms
  done clear
  View Answer play_arrow

• question_answer145) Five grams of the following gas at\[{{87}^{o}}C\]and 750 mm pressure is taken. The gas with least volume is:
  A)
   \[HF\]                                 
  done clear
  B)
  \[HCl\]
  done clear
  C)
   \[HBr\]                               
  done clear
  D)
  \[HI\]
  done clear
  View Answer play_arrow

• question_answer146) \[C{{u}^{+}}\]ion is not stable in aqueous solution because of disproportionation reaction.\[{{E}^{o}}\] value for disproportionation of\[C{{u}^{+}}\]is: (Given: \[E_{C{{u}^{2+}}|C{{u}^{+}}}^{o}=0.15V,\]\[E_{C{{u}^{2+}}|Cu}^{o}=0.34\,V\])
  A)
   \[-\,0.19V\]                      
  done clear
  B)
   0.38
  done clear
  C)
   0.94V                                   
  done clear
  D)
   \[-\,0.38V\]
  done clear
  View Answer play_arrow

• question_answer147) The predominant product formed when 3-methyl-2-pentene reacts with\[HOCl\]is:
  A)
   \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{C}}}\,-\overset{\begin{smallmatrix}  OH \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
  done clear
  B)
   \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}}\,-\overset{\begin{smallmatrix}  OH \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{C}}}\,-\overset{\begin{smallmatrix}  Cl \\  | \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
  done clear
  D)
   \[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\overset{\begin{smallmatrix}  OH \\  | \end{smallmatrix}}{\mathop{C}}}\,-\underset{\begin{smallmatrix}  | \\  Cl \end{smallmatrix}}{\mathop{CH}}\,-C{{H}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer148) Which of the following species is least stable?
  A)
   \[P-{{O}_{2}}N-{{C}_{6}}{{H}_{4}}{{-}^{+}}C{{H}_{2}}\]
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}{{-}^{+}}C{{H}_{2}}\]
  done clear
  C)
   \[P-Cl-{{C}_{6}}{{H}_{4}}{{-}^{+}}C{{H}_{2}}\]
  done clear
  D)
   \[P-C{{H}_{3}}O-{{C}_{6}}{{H}_{4}}{{-}^{+}}C{{H}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer149) Among the following species, identify the isostructural pairs: \[N{{F}_{3}},\text{ }NO_{3}^{-},\text{ }B{{F}_{3}},\text{ }{{H}_{3}}{{O}^{+}},\text{ }H{{N}_{3}}\]
  A)
   \[[N{{F}_{3}},NO_{3}^{-}]\]and\[[B{{F}_{3}},{{H}_{3}}{{O}^{+}}]\]
  done clear
  B)
  \[[N{{F}_{3}},H{{N}_{3}}]\]and \[[NO_{3}^{-},B{{F}_{3}}]\]
  done clear
  C)
  \[[N{{F}_{3}},{{H}_{3}}{{O}^{+}}]\]and \[[NO_{3}^{-},B{{F}_{3}}]\]
  done clear
  D)
   \[[N{{F}_{3}},{{H}_{3}}{{O}^{+}}]\]and\[[H{{N}_{3}},B{{F}_{3}}]\]
  done clear
  View Answer play_arrow

• question_answer150) Which of the following metal ions plays an important role in the muscle contraction?
  A)
   \[N{{a}^{+}}\]                                  
  done clear
  B)
   \[{{K}^{+}}\]
  done clear
  C)
   \[F{{e}^{3+}}\]                                
  done clear
  D)
  \[C{{a}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer151) Golgi apparatus is found in:
  A)
   prokaryotic cell
  done clear
  B)
   eukaryotic cell
  done clear
  C)
   mate gametes of bryophytes
  done clear
  D)
   near mitochondria
  done clear
  View Answer play_arrow

• question_answer152) Status of a foetus in the womb can be studied by:
  A)
   simple X-ray
  done clear
  B)
   ultrasound scanning
  done clear
  C)
   only by operation
  done clear
  D)
   barium X-ray
  done clear
  View Answer play_arrow

• question_answer153) Both oxysomes and quantasomes are found in:
  A)
   chloroplasts                      
  done clear
  B)
   mitocliondria
  done clear
  C)
   both (a) and (b)              
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer154) Binomial system of classification was given by:
  A)
   Charles Darwin
  done clear
  B)
   Robert Darwin
  done clear
  C)
   Robert Hooke  
  done clear
  D)
   Carolus Linnaeus
  done clear
  View Answer play_arrow

• question_answer155) Which of the following is a prokaryote?
  A)
   Nostoc                                
  done clear
  B)
   Protozoa
  done clear
  C)
   Prosopis                             
  done clear
  D)
   Chlorella
  done clear
  View Answer play_arrow

• question_answer156) Antibodies are:
  A)
   foreign bodies in all cells
  done clear
  B)
   anti cancerous drugs
  done clear
  C)
   antibiotics
  done clear
  D)
   molecules synthesized by the < all on introduction of foreign bodies
  done clear
  View Answer play_arrow

• question_answer157) Calcitonin is produced in:
  A)
   thyroid               
  done clear
  B)
   pituitary glands
  done clear
  C)
   spleen                
  done clear
  D)
   pancreas
  done clear
  View Answer play_arrow

• question_answer158) Follicle Stimulating Hormones (FSH) is produced in:
  A)
   anterior pituitary
  done clear
  B)
   posterior pituitary
  done clear
  C)
   thyroid
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer159) Palaemon (prawn) is a :
  A)
   fish                                       
  done clear
  B)
   insect
  done clear
  C)
   soft shell mollusk           
  done clear
  D)
   crustacean
  done clear
  View Answer play_arrow

• question_answer160) Apophysis is found in :
  A)
   mosses                               
  done clear
  B)
   Marchantia
  done clear
  C)
   Pteridium          
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer161) A leaf is identified by :
  A)
   flat green lamina
  done clear
  B)
   presence of axillary buds
  done clear
  C)
   presence of leaf blade and petiole
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer162) Animals mostly do not synthesize :
  A)
   glycogen                            
  done clear
  B)
   proteins
  done clear
  C)
   vitamins                             
  done clear
  D)
   phospholipids
  done clear
  View Answer play_arrow

• question_answer163) The pH of gastric juice is :
  A)
   2.0-3.0                                
  done clear
  B)
   2-66-6.8
  done clear
  C)
   3,75-8.5                              
  done clear
  D)
   4.70-9.0
  done clear
  View Answer play_arrow

• question_answer164) Annulus is found in :
  A)
   mosses only
  done clear
  B)
   mosses and ferns
  done clear
  C)
   annual flowering plants
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer165) An underground specialized bud with reduced disk like stem, covered with fleshy leaves is called :
  A)
   bulb                                     
  done clear
  B)
   rhizome
  done clear
  C)
   bulbil                                   
  done clear
  D)
   rhizophore
  done clear
  View Answer play_arrow

• question_answer166) Casparian scrips are found on :
  A)
   walls of epidermis
  done clear
  B)
   longitudinal walls of xylem
  done clear
  C)
   all walls of endodermis
  done clear
  D)
   radial walls of endodermis
  done clear
  View Answer play_arrow

• question_answer167) Taste buds on [he posterior side of tongue in humans recognize:
  A)
   sweet taste      
  done clear
  B)
   bitter taste
  done clear
  C)
   sour taste          
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer168) Xerophthalmia is caused due to deficiency of:
  A)
   calcium                               
  done clear
  B)
   vitamin-A
  done clear
  C)
   vitamin-B                           
  done clear
  D)
   iron
  done clear
  View Answer play_arrow

• question_answer169) Drug morphine is derived from :
  A)
   Papaver sonmifurum
  done clear
  B)
   Cocus nucifera
  done clear
  C)
   it is a synthetic drug
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer170) Endosperm in angiosperms is:
  A)
   tetraploid structure
  done clear
  B)
   triploid structure
  done clear
  C)
   haploid
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer171) Photottopic curvature mavena coleoptile is the result of uneven distribution of:
  A)
   phyiochrome   
  done clear
  B)
   auxin
  done clear
  C)
   gibberellins       
  done clear
  D)
   starch
  done clear
  View Answer play_arrow

• question_answer172) Formation of m-RNA on a DNA template, is called:
  A)
   transcription    
  done clear
  B)
   translation
  done clear
  C)
   transduction    
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer173) Bacieriophages are:
  A)
   bacteria found in phagus
  done clear
  B)
   bacteria found in Phaseolus sp.
  done clear
  C)
   viruses infecting blue-green algae
  done clear
  D)
   viruses infecting bacteria
  done clear
  View Answer play_arrow

• question_answer174) Which of the following is not a \[{{C}_{4}}\] plant?
  A)
   Maize                                  
  done clear
  B)
   Crotolaria
  done clear
  C)
   Sorghum                            
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer175)  Pappus is a structure characteristic of family:
  A)
   Asteraceae       
  done clear
  B)
   Papaveraceae
  done clear
  C)
   Leguminosae   
  done clear
  D)
   Papilionaceae
  done clear
  View Answer play_arrow

• question_answer176) Which of the following is a non-communicable disease?
  A)
   Tuberculosis     
  done clear
  B)
   Arthritis
  done clear
  C)
   Rabies                                 
  done clear
  D)
   Diphtheria
  done clear
  View Answer play_arrow

• question_answer177) Select the viral disease :
  A)
   poliomyelitis    
  done clear
  B)
   leprosy
  done clear
  C)
   tetanus                              
  done clear
  D)
   diabetes
  done clear
  View Answer play_arrow

• question_answer178) Auxin was First named by :
  A)
   Alexopoius       
  done clear
  B)
   F.W. Went
  done clear
  C)
   K.V. Thimman  
  done clear
  D)
   C. Darwin
  done clear
  View Answer play_arrow

• question_answer179) Process of vernalization denotes:
  A)
   venation in leaves
  done clear
  B)
   cold treatments of seeds
  done clear
  C)
   vernacular names of plants
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer180) A molecule of DNA as found in chromosomes is a:
  A)
   double strand of many nucleotides
  done clear
  B)
   single strand of many nucleotides
  done clear
  C)
   double strand of purities and pyrimi dines
  done clear
  D)
   double strand of nucleosides
  done clear
  View Answer play_arrow

• question_answer181) Downs syndrome is caused due to an extra chromosome in :
  A)
   12th chromosome
  done clear
  B)
   21st chromosome
  done clear
  C)
   sex chromosomes
  done clear
  D)
   2nd chromosomes
  done clear
  View Answer play_arrow

• question_answer182) The full form of AIDS is:
  A)
   Acquired Immuno Deficiency System
  done clear
  B)
   Acquired Immuno Deficiency Syndrome
  done clear
  C)
   Assisted Immuno Deficiency Syndrome
  done clear
  D)
   Acquired Immuno Development Syndrome
  done clear
  View Answer play_arrow

• question_answer183) Tubectomy is a method used in population control. It can be performed in :
  A)
   lemales                              
  done clear
  B)
   males
  done clear
  C)
   both (a) and (b)              
  done clear
  D)
   in pregnant females
  done clear
  View Answer play_arrow

• question_answer184) Palmella stage is found during reproduction in:
  A)
    Cmamydomonas           
  done clear
  B)
   Oscitlatoria
  done clear
  C)
   Rhizopus                            
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer185) Saffaron or kesar is extracted from:
  A)
   entire carpel
  done clear
  B)
   seeds and calyx
  done clear
  C)
   stamens and petals
  done clear
  D)
   top of the style and stigma
  done clear
  View Answer play_arrow

• question_answer186) The rate, of transpiration would be maximum when:
  A)
   both soil and air are dry
  done clear
  B)
   soil is dry and air is humid
  done clear
  C)
   soil is wet and air is humid
  done clear
  D)
   soil is wet and air is dry
  done clear
  View Answer play_arrow

• question_answer187) Chlorofluro carbons are air polluting agents, these are produced by :
  A)
   diesel trucks     
  done clear
  B)
   jet planes
  done clear
  C)
   rice field                             
  done clear
  D)
   acid batteries
  done clear
  View Answer play_arrow

• question_answer188) Which of the following produces least of greenhouse effect?
  A)
   Water vapour  
  done clear
  B)
   Carbon dioxide
  done clear
  C)
   Hydrogen gas  
  done clear
  D)
   Ozone
  done clear
  View Answer play_arrow

• question_answer189) In piped water supply system water is often treated with chlorine to :
  A)
   remove hardness
  done clear
  B)
   kill germs
  done clear
  C)
   increase oxygen level
  done clear
  D)
   remove algae
  done clear
  View Answer play_arrow

• question_answer190) If one has to induce or increase rooting in a Stem cutting, which hormone should be applied?
  A)
   IBA                                       
  done clear
  B)
   GA
  done clear
  C)
   Kinetin                                
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer191) In photosynthesis carbon dioxide is converted to carbohydrates. It is a ............. process :
  A)
   oxidative                           
  done clear
  B)
   reductive
  done clear
  C)
   catabolic                            
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer192) Oxygen evolved during photosynthesis comes from :
  A)
   carbohydrates
  done clear
  B)
   water
  done clear
  C)
   carbon dioxide                
  done clear
  D)
   chlorophyll
  done clear
  View Answer play_arrow

• question_answer193) Rh factor was discovered in :
  A)
   humans                              
  done clear
  B)
   chimpanzee
  done clear
  C)
   rats                                      
  done clear
  D)
   monkeys
  done clear
  View Answer play_arrow

• question_answer194) During cell division a cell plate is produced during:
  A)
   metaphase       
  done clear
  B)
   telophase
  done clear
  C)
   cytokinesis        
  done clear
  D)
   anaphase
  done clear
  View Answer play_arrow

• question_answer195) One gene-one enzyme theory was prepared by:
  A)
   Khorana                             
  done clear
  B)
   Beadle and Tatum
  done clear
  C)
   Morgan                              
  done clear
  D)
   Pauling
  done clear
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• question_answer196) Study of Bakanae disease of rice led to discovery of:
  A)
   gibberellins                       
  done clear
  B)
   auxins
  done clear
  C)
   bakery rice                        
  done clear
  D)
   both (a) and (b)
  done clear
  View Answer play_arrow

• question_answer197) Green plants kept in light can produce ATP from glucose. This process is referred to as :
  A)
   oxidative phosphorylation
  done clear
  B)
   glycolysis
  done clear
  C)
   TCA cycie
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer198) Antibiotics are drugs used to one diseases caused by :
  A)
   viruses                                
  done clear
  B)
   fungi
  done clear
  C)
   Amoeba                             
  done clear
  D)
   bacteria
  done clear
  View Answer play_arrow

• question_answer199) The lac operon concept of E. coli was proposed in 1961 by :
  A)
   Watson and Crick
  done clear
  B)
   H. G. Khorana
  done clear
  C)
   Meselson and Stahl
  done clear
  D)
   Jacob and Monod
  done clear
  View Answer play_arrow

• question_answer200) Sickel cell anaemia is a ............... disease :
  A)
   hereditary         
  done clear
  B)
   physiological
  done clear
  C)
   pathogenic       
  done clear
  D)
   deficiency
  done clear
  View Answer play_arrow

• question_answer201) An organism which could readily respire in absence of molecular oxygen could be a:
  A)
   fish                                       
  done clear
  B)
   mushroom
  done clear
  C)
   Anabaena                         
  done clear
  D)
   saccharomyces
  done clear
  View Answer play_arrow

• question_answer202) In Chlamydomonas the life cycle :
  A)
   haplontic                           
  done clear
  B)
   diplobiontic
  done clear
  C)
   isomorphic                        
  done clear
  D)
   haplodiplobionric
  done clear
  View Answer play_arrow

• question_answer203) Out of the following which two methods of propagation, yield plants with identical genetic constitution: (i) cutting                             (ii) seed production (iii) mutations                    (iv) tissue cultures
  A)
   (i) and (ii)           
  done clear
  B)
   (i) and (iii)
  done clear
  C)
   (i) and (iv)                         
  done clear
  D)
   (ii) and (iv)
  done clear
  View Answer play_arrow

• question_answer204) Human contains........... number of chromosomes:
  A)
   23                                         
  done clear
  B)
   23 pairs
  done clear
  C)
   22                                         
  done clear
  D)
   22 pairs
  done clear
  View Answer play_arrow

• question_answer205) Polyploidy in plants or animals can be produced by:
  A)
   colchicme                          
  done clear
  B)
   ultrasound
  done clear
  C)
   polypeptides  
  done clear
  D)
   polyphenols
  done clear
  View Answer play_arrow

• question_answer206) Which of the following is classified as a bio-femlizer?
  A)
   NPK mixture
  done clear
  B)
   Rhisobwm in legume root nodule
  done clear
  C)
   Rhizobium in farm yard manure
  done clear
  D)
   Green manure
  done clear
  View Answer play_arrow

• question_answer207) DNA is normally found in nucleus. However it can also be found in :
  A)
   chloroplasts      
  done clear
  B)
   vacuole
  done clear
  C)
   ribosomes         
  done clear
  D)
   Golgi complex
  done clear
  View Answer play_arrow

• question_answer208) Apiculture refers to rearing of :
  A)
   honey bees      
  done clear
  B)
   fishes
  done clear
  C)
   silkworms                          
  done clear
  D)
   bacteria
  done clear
  View Answer play_arrow

• question_answer209) Arachnida includes :
  A)
   in sects                               
  done clear
  B)
   spider
  done clear
  C)
   silver fish                           
  done clear
  D)
   Limulus
  done clear
  View Answer play_arrow

• question_answer210) The thickness of a plasma membrane is :
  A)
   200 nm                               
  done clear
  B)
   7.5 nm
  done clear
  C)
   150 nm                               
  done clear
  D)
   1.0 nm
  done clear
  View Answer play_arrow

• question_answer211) Heterocysts are found in :
  A)
   blue-green algae
  done clear
  B)
   red algae
  done clear
  C)
   green algae
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer212) Power house of the cell lies in :
  A)
   chloroplast        
  done clear
  B)
   mitochondria
  done clear
  C)
   ribosomes         
  done clear
  D)
   nucleus
  done clear
  View Answer play_arrow

• question_answer213) Water blooms are formed by:
  A)
   Planktonic algae             
  done clear
  B)
   Lemna
  done clear
  C)
   Rhizopus                            
  done clear
  D)
   Wolffia
  done clear
  View Answer play_arrow

• question_answer214) Goblet cells of intestinal epithelium are example of:
  A)
   unicellular glands
  done clear
  B)
   striated epithelium
  done clear
  C)
   columnar epithelium
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer215) Iodine deficiency in human leads to a disease called :
  A)
   diabetes                            
  done clear
  B)
   mongolian idiots
  done clear
  C)
   goiter                  
  done clear
  D)
   myxoedema
  done clear
  View Answer play_arrow

• question_answer216) Vitamin-C is also known as :
  A)
   vanillic acid        
  done clear
  B)
   abscisic acid
  done clear
  C)
   ascorbic acid     
  done clear
  D)
   tocopherol
  done clear
  View Answer play_arrow

• question_answer217) Funaria grows well in :
  A)
   soils rich in cow dung
  done clear
  B)
   soils rich in horse dung
  done clear
  C)
   recently burnt soils rich in plant ash
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer218) Hypoglossal nerve controls the movements of:
  A)
   sub ear                               
  done clear
  B)
   heart
  done clear
  C)
   tongue                               
  done clear
  D)
   limbs
  done clear
  View Answer play_arrow

• question_answer219) Which of the following organelie is common in plants and animals?
  A)
   Mitochondria   
  done clear
  B)
   Chloroplast
  done clear
  C)
   Tonoplast                          
  done clear
  D)
   Centrioles
  done clear
  View Answer play_arrow

• question_answer220) Triticum aescivi.im used in making bread is:
  A)
   hexaploid with 28 chromosomes
  done clear
  B)
   tecraploid with 42 chromosomes
  done clear
  C)
   hexaploid willi 42 chromosomes
  done clear
  D)
   cetraploid with 28 chromosomes
  done clear
  View Answer play_arrow

• question_answer221) DMA does not contain which of the following?
  A)
   Adenine                             
  done clear
  B)
   Uracil
  done clear
  C)
   Thymine                            
  done clear
  D)
   Cyrosine
  done clear
  View Answer play_arrow

• question_answer222) Removal of seed coat mechanically to remove dormancy is called as:
  A)
   scarification      
  done clear
  B)
   stratification
  done clear
  C)
   geminauon                       
  done clear
  D)
   none of these
  done clear
  View Answer play_arrow

• question_answer223) Duodenum has characteristic Brunners gland which secrete two hormones called :
  A)
   kinase, estrogen
  done clear
  B)
   secrerin, dioSecystokinm
  done clear
  C)
   prolacrin, parathormone
  done clear
  D)
   estradiol, progesterone
  done clear
  View Answer play_arrow

• question_answer224) Injury of vagus nerve in human is not likely to effect:
  A)
   tongue movements
  done clear
  B)
   gastriubtestubak movements
  done clear
  C)
   pancreatic secretion
  done clear
  D)
   none of the above
  done clear
  View Answer play_arrow

• question_answer225) Synovial fluid is found in :
  A)
   cranial cavity
  done clear
  B)
   spinal cavity
  done clear
  C)
   immovable joints
  done clear
  D)
   free movable joints
  done clear
  View Answer play_arrow