Solved papers for J & K CET Medical J & K - CET Medical Solved Paper-2014

done J & K - CET Medical Solved Paper-2014 Total Questions - 225

• question_answer1) A solenoid of length 0.6 m has a radius of 1 cm and is made up of 600 turns. It carries a current of 6 A. What is the magnitude of the magnetic field inside the solenoid?
  A)
   \[7.54\times {{10}^{-3}}T\]
  done clear
  B)
   \[10.84\times {{10}^{-3}}T\]
  done clear
  C)
   \[4.87\times {{10}^{-3}}T\]
  done clear
  D)
   \[2.36\times {{10}^{-2}}T\]
  done clear
  View Answer play_arrow

• question_answer2) The bus moving with a speed of 42 km/h is brought to a stop by brakes after 6m. If the same bus is moving at a speed of 90 km/h, then the minimum stopping distance is
  A)
   15.48 m
  done clear
  B)
   18.64 m
  done clear
  C)
   22.13 m
  done clear
  D)
   27.55 m
  done clear
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• question_answer3) A 15pF capacitor is connected to a 60 V battery. How much electrostatic energy is stored?
  A)
   \[2.77\times {{10}^{-8}}J\]
  done clear
  B)
   \[1.77\times {{10}^{-8}}J\]
  done clear
  C)
   \[2.35\times {{10}^{-8}}J\]
  done clear
  D)
   \[1.35\times {{10}^{-8}}J\]
  done clear
  View Answer play_arrow

• question_answer4) In a video signal for transmission of picture, what value of bandwidth is used in communication system?
  A)
   2.4 MHz         
  done clear
  B)
   4.2 MHz
  done clear
  C)
   24 MHz         
  done clear
  D)
   42 MHz
  done clear
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• question_answer5) A straight wire of mass 300 g and length 2.5m carries a current of 3.5 A. It is suspended in mid-air by a uniform horizontal magnetic field B. What is the magnitude of the magnetic field?
  A)
   0.654 T
  done clear
  B)
   0.336 T
  done clear
  C)
   1.576 T
  done clear
  D)
   0.939 T
  done clear
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• question_answer6) When longitudinal wave propagate, what happens in the region of compressions and rarefactions?
  A)
   Density varies
  done clear
  B)
   Density remains constant
  done clear
  C)
   There is heat transfers
  done clear
  D)
   Boyles law is obeyed
  done clear
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• question_answer7) If the temperature of the body is increased by 10%, the percentage increase in the emitted indication will be
  A)
   46%            
  done clear
  B)
   40%
  done clear
  C)
   30%            
  done clear
  D)
   80%
  done clear
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• question_answer8) A galaxy is moving away from an observe on the earth so that sodium light of wavelength \[5892\overset{o}{\mathop{A}}\,\]is observed at 5896A. The speed of galaxy is
  A)
   306km/s         
  done clear
  B)
   204 km/s
  done clear
  C)
   185 km/s         
  done clear
  D)
   158 km/s
  done clear
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• question_answer9) The correct order of arrangement of electromagnetic waves according to their wavelength is
  A)
   gamma rays < microwaves < AM radiowaves < FM radiowaves
  done clear
  B)
   microwaves < AM radiowaves < FM radiowaves < gamma rays
  done clear
  C)
   gamma rays < AM radiowaves < FM radiowaves < microwaves
  done clear
  D)
   gamma rays < microwaves < FM radiowaves < AM radiowaves
  done clear
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• question_answer10) A constant retarding force of 80 N is applied to a body of mass 50 kg which is moving initially with a speed of 20 m/s. What would be the time required by the body to come to rest?
  A)
   15s  
  done clear
  B)
   14s  
  done clear
  C)
   12.5s
  done clear
  D)
   18s
  done clear
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• question_answer11) Light from a point source in air falls on a spherical glass surface (n = 1.67 and radius of curvature =25 cm). The distance of the light source from the glass surface is 95 cm. At what position, the image is formed?
  A)
   75.45 cm        
  done clear
  B)
   90.50 cm
  done clear
  C)
   105.25 cm       
  done clear
  D)
   99.40 cm
  done clear
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• question_answer12) The length of the wire is increase by 2% by applying a load of 2.5 kg-wt. What is the linear strain produced in the wire?
  A)
   0.1    
  done clear
  B)
   0.01    
  done clear
  C)
   0.2    
  done clear
  D)
   0.02
  done clear
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• question_answer13) The half life of an old rock element is 5800 years. In how many years its sample of 25 g is reduced to 6.25 g.
  A)
   2900 years        
  done clear
  B)
   5800 years
  done clear
  C)
   11600 years       
  done clear
  D)
   23200 years
  done clear
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• question_answer14) The earth takes 24 h to rotate once about its axis. How much time does the sun take to shift by\[5{}^\circ \]when viewed from the earth?
  A)
   20 min
  done clear
  B)
   15 min 
  done clear
  C)
   10 min
  done clear
  D)
   5 min
  done clear
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• question_answer15) Which of the following is a dimension less quantity?
  A)
   Magnetic flux density
  done clear
  B)
   Electric flux density
  done clear
  C)
   Lumen flux density
  done clear
  D)
   Optical density
  done clear
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• question_answer16) A crane lifts weight of 75 kg to a height of 15 m in 15 s. The power of the crane is (assuming\[g=9.8\text{ }m/{{s}^{2}}\])
  A)
   635 W           
  done clear
  B)
   735 W
  done clear
  C)
   835W            
  done clear
  D)
   1135W
  done clear
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• question_answer17) The escape velocity from the surface of the earth is\[11.2\text{ }km{{s}^{-1}}\]. What is the escape velocity in a planet whose radius is three times that of the earth and on which the acceleration due to gravity is three times of that on the earth?
  A)
   \[11.2\text{ }km{{s}^{-1}}\]       
  done clear
  B)
   \[22.4\text{ }km{{s}^{-1}}\]
  done clear
  C)
   \[33.6\text{ }km{{s}^{-1}}\]      
  done clear
  D)
   \[5.6\text{ }km{{s}^{-1}}\]
  done clear
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• question_answer18) What is the dimensional formula for work?
  A)
   \[[ML{{T}^{-2}}]\]          
  done clear
  B)
   \[[M{{L}^{2}}{{T}^{-2}}]\]
  done clear
  C)
   \[[M{{L}^{3}}{{T}^{-2}}]\]         
  done clear
  D)
   \[[M{{L}^{2}}{{T}^{-1}}]\]
  done clear
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• question_answer19) When the gas expands with temperature using the relation\[V=K{{T}^{2/3}}\]for the temperature change of 40 K, the work done is
  A)
   \[20.1\,R\]       
  done clear
  B)
   \[30.2\,R\]
  done clear
  C)
   \[26.6\,R\]          
  done clear
  D)
   \[35.6\,R\]
  done clear
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• question_answer20) The resonant frequency of a L-C-R circuit depends upon
  A)
   L and R
  done clear
  B)
   C and R
  done clear
  C)
   L and C
  done clear
  D)
   L, C and R
  done clear
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• question_answer21) A wheel with 30 metallic spokes each of 7.0 m long is rotated with a speed of 120 rev/min, in a plane normal to the horizontal component of the earths magnetic field\[{{H}_{E}}\]at a place. If\[{{H}_{E}}=0.8\]Gat the place what is the induced emf between the axis and the rim of the wheel? (Give\[1G={{10}^{-4}}T\])
  A)
   \[2.46\times {{10}^{-4}}V\]       
  done clear
  B)
   \[6.28\times {{10}^{-4}}V\]
  done clear
  C)
   \[5.76\times {{10}^{-5}}V\]       
  done clear
  D)
   \[4.92\times {{10}^{-4}}V\]
  done clear
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• question_answer22) In a circuit, 3 resistors of resistance\[1.2\,\Omega ,\]\[2\,\Omega ,3\,\Omega \] are connected in parallel. The value of equivalent resistance is
  A)
   less than\[1.2\,\Omega \]
  done clear
  B)
   greater than\[1.2\,\Omega \]
  done clear
  C)
   between\[1.2\,\Omega \]and\[2\,\Omega \]
  done clear
  D)
   between\[2\,\Omega \]and\[3\,\Omega \]
  done clear
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• question_answer23) The magnetic field is absent in which one of the following physical situation?
  A)
   Surface of neutron star
  done clear
  B)
   Surface of the earth
  done clear
  C)
   Human nerve fiber
  done clear
  D)
   At some point on the axis of bar magnet
  done clear
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• question_answer24) What amount of energy is associated with mass of 2.5 kg?
  A)
   \[6.27\times {{10}^{17}}J\]
  done clear
  B)
   \[4.27\times {{10}^{17}}J\]
  done clear
  C)
   \[0.27\times {{10}^{17}}J\]
  done clear
  D)
   \[2.27\times {{10}^{17}}J\]
  done clear
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• question_answer25) The ratio of radii of nuclei of two atoms of element of atomic mass numbers 27 and 64 is
  A)
   \[3:4\]           
  done clear
  B)
   \[4:3\]
  done clear
  C)
   \[9:16\]          
  done clear
  D)
   \[16:9\]
  done clear
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• question_answer26) MSI integrated chip contains
  A)
   less than 10 gates
  done clear
  B)
   10 to 100 gates
  done clear
  C)
   100 to 1000 gates
  done clear
  D)
   1000 to 10000 gates
  done clear
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• question_answer27) What is the torque of a force\[3\hat{i}+7\hat{j}+4\hat{k}\] about the origin, if the force acts on a particle whose position vector is\[2\hat{i}+2\hat{j}+1\hat{k}\]?
  A)
   \[\hat{i}-5\hat{j}+8\hat{k}\]
  done clear
  B)
   \[2\hat{i}+2\hat{j}+2\hat{k}\]
  done clear
  C)
   \[\hat{i}+\hat{j}+\hat{k}\]
  done clear
  D)
   \[3\hat{i}+2\hat{j}+3\hat{k}\]
  done clear
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• question_answer28) A message signal of frequency 20 kHz and peak voltage of 15 V is used to modulate a carrier wave of 1000 kHz and peak voltage of 30 V. The modulation index and upper side band are respectively
  A)
   0.50 and 1020kHz
  done clear
  B)
   0.66 and 1020kHz
  done clear
  C)
   0.50 and 980 kHz
  done clear
  D)
   0.66 and 980 kHz
  done clear
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• question_answer29) Calculate, the efficiency of the engine, if Carnot cycle operates at\[{{T}_{1}}=550\text{ }K\]and \[{{T}_{2}}=320\text{ }K\]producing 2.3 kJ of mechanical work per cycle?
  A)
   0.418  
  done clear
  B)
   0.622  
  done clear
  C)
   0.823  
  done clear
  D)
   0.902
  done clear
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• question_answer30) Which of the following device is the application of photoelectric effect?
  A)
   Light emitting diode
  done clear
  B)
   Diode
  done clear
  C)
   Photocell          
  done clear
  D)
   Transistor
  done clear
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• question_answer31) The waves used for Line-of-Sight (LOS) communication are
  A)
   ground waves     
  done clear
  B)
   space waves
  done clear
  C)
   sound waves      
  done clear
  D)
   sky waves
  done clear
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• question_answer32) The inductance L of a solenoid depends upon its radius R as
  A)
   \[L\propto R\]
  done clear
  B)
   \[L\propto 1/R\]
  done clear
  C)
   \[L\propto {{R}^{2}}\]
  done clear
  D)
   \[L\propto {{R}^{3}}\]
  done clear
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• question_answer33) How much revolution does the engine make during the time when a motor wheel with angular speed is increased from 720 rpm to 2820 rpm in 14 s?
  A)
   354             
  done clear
  B)
   490
  done clear
  C)
   413             
  done clear
  D)
   620
  done clear
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• question_answer34) If the pressure at half of the lake is equal to 1/3 pressure at the bottom of the lake, what is the depth of the lake? (Assume\[g=10\text{ }m/{{s}^{2}}\]and 1 aim\[=1\times {{10}^{5}};\text{ }\rho \]water\[={{10}^{3}}\])
  A)
   9.6 m  
  done clear
  B)
   7.5 m   
  done clear
  C)
   4.4 m  
  done clear
  D)
   3.2 m
  done clear
  E)
   None of the Above
  done clear
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• question_answer35) The value of Rydberg constant is
  A)
   \[1.997\times {{10}^{7}}{{m}^{-1}}\]    
  done clear
  B)
   \[1.097\times {{10}^{-7}}{{m}^{-1}}\]
  done clear
  C)
   \[1.097\times {{10}^{7}}{{m}^{-1}}\]    
  done clear
  D)
   \[19.97\times {{10}^{7}}{{m}^{-1}}\]
  done clear
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• question_answer36) A car moving on a straight road covers 1/3 of the distance with 25 km/h and rest with 75 km/h. The average speed is
  A)
   25 km/h          
  done clear
  B)
   45 km/h
  done clear
  C)
   55 km/h          
  done clear
  D)
   75 km/h
  done clear
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• question_answer37) The distance at which average radius of the earth orbit subtends an angle of 1 arc second is
  A)
   parsec            
  done clear
  B)
   astronomical unit
  done clear
  C)
   light year          
  done clear
  D)
   unified atomic unit
  done clear
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• question_answer38) What happens to the acceleration due to gravity with the increase in altitude from the surface of the earth?
  A)
   Increase
  done clear
  B)
   Decrease
  done clear
  C)
   First decrease and then increase
  done clear
  D)
   Remains same
  done clear
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• question_answer39) Lenzs law is a consequence of the law of conservation of
  A)
   charge           
  done clear
  B)
   mass
  done clear
  C)
   momentum       
  done clear
  D)
   energy
  done clear
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• question_answer40) The angle between the true geographic north and the north shown by a compass needle is called as
  A)
   inclination         
  done clear
  B)
   magnetic declination
  done clear
  C)
   angle of meridian  
  done clear
  D)
   magnetic pole
  done clear
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• question_answer41) An air bubble of\[2\text{ }c{{m}^{3}}\]rises from the bottom of a lake of 32 m at a temperature of\[9{}^\circ C\]. When the bubble reaches the surface of the lake from the bottom of the lake, what volume does it grows for which temperature is\[30{}^\circ C\](assume \[g=10m/{{s}^{2}}\]and density\[\rho ={{10}^{3}}kg/{{m}^{3}}\])
  A)
   \[5.937\text{ }c{{m}^{3}}\]        
  done clear
  B)
   \[8.937\text{ }c{{m}^{3}}\]
  done clear
  C)
   \[12.937\text{ }c{{m}^{3}}\]       
  done clear
  D)
   \[16.937\text{ }c{{m}^{3}}\]
  done clear
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• question_answer42) Which   quantity is   transmitted with propagation of longitudinal waves through a medium?
  A)
   Dispersion         
  done clear
  B)
   Energy
  done clear
  C)
   Matter
  done clear
  D)
   Frequency
  done clear
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• question_answer43) A monochromatic light of frequency\[3\times {{10}^{14}}\] Hz is produced by a Laser, emits the power of\[3\times {{10}^{-3}}W\]. Find, how many number of photons are emitted per second
  A)
   \[1.5\times {{10}^{16}}\]         
  done clear
  B)
   \[2.5\times {{10}^{16}}\]
  done clear
  C)
   \[4.5\times {{10}^{16}}\]         
  done clear
  D)
   \[8.5\times {{10}^{16}}\]
  done clear
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• question_answer44) A mountaineer standing on the edge of a cliff 441m above the ground throws a stone horizontally with an initial speed of 20 m/s. What is the speed with which the stone reaches the ground?
  A)
   90 m/s            
  done clear
  B)
   95.08 m/s
  done clear
  C)
   85 m/s            
  done clear
  D)
   92 m/s
  done clear
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• question_answer45) A zener diode is used as
  A)
   an amplifier        
  done clear
  B)
   a rectifier
  done clear
  C)
   a voltage regulator 
  done clear
  D)
   a light emitting device
  done clear
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• question_answer46) In which of the following does the intensity of sound vary with time?
  A)
   Doppler effect     
  done clear
  B)
   Beats
  done clear
  C)
   Transverse waves  
  done clear
  D)
   Longitudinal waves
  done clear
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• question_answer47) A solid cylindrical of mass 30 kg rotates about its axis with an angular speed of 50 rad/s. What is the KE associated with the rotation of the cylinder, if the radius of the cylinder is 0.30 m?
  A)
   1500.5 J         
  done clear
  B)
   1687.5 J
  done clear
  C)
   2000.7J          
  done clear
  D)
  1350.0 J
  done clear
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• question_answer48) The circuits that make rippled AC to pure DC are known as
  A)
   DC converters     
  done clear
  B)
   junction diodes
  done clear
  C)
   bipolar transistors  
  done clear
  D)
   filters
  done clear
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• question_answer49) A string of mass 3 kg is under tension of 400 N. The length of the stretched string is 25 cm. If the transverse jerk is stuck at one end of the string how long does the disturbance take to reach the other end?
  A)
   0.047s           
  done clear
  B)
   0.055s
  done clear
  C)
   0.034s           
  done clear
  D)
   0.065s
  done clear
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• question_answer50) The total energy of an electron in 4th orbit of hydrogen atom is
  A)
   \[-13.6eV\]         
  done clear
  B)
   \[-3.4eV\]
  done clear
  C)
   \[-1.51eV\]         
  done clear
  D)
   \[-0.85eV\]
  done clear
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• question_answer51) The graph between voltage and current across a conductor that follows Ohms law is
  A)
   straight line        
  done clear
  B)
   parabolic
  done clear
  C)
   sine-curve         
  done clear
  D)
   cos-curve
  done clear
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• question_answer52) An athlete throws the shot-put of mass 4 kg with initial speed of\[2.2\text{ }m{{s}^{-1}}\]at\[41{}^\circ \]from a height of 1.3 m from the ground. What is the KE of the shot-put when it reaches the ground? (Ignoring the air resistance and gravity \[g=9.8m/{{s}^{2}}\])
  A)
   42.84 J            
  done clear
  B)
   52.84 J
  done clear
  C)
   62.84 J            
  done clear
  D)
   72.84 J
  done clear
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• question_answer53) Two bulbs operating on standard voltage 110V have resistances in the ratio\[9:16\]. The ratio of brightness of light from them is
  A)
   \[3:16\]           
  done clear
  B)
   \[16:9\]
  done clear
  C)
   \[3:4\]            
  done clear
  D)
   \[4:3\]
  done clear
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• question_answer54) The neutral point on potentiometers scale for two cells of EMF 2.1 and E volts is observed at distances 40 cm and 56 cm respectively. The value of E is
  A)
   2.10V             
  done clear
  B)
   2.94V
  done clear
  C)
   1.50V             
  done clear
  D)
   1.20V
  done clear
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• question_answer55) Which one of the following equation is Torricelli law?
  A)
   \[P=\rho gh\]
  done clear
  B)
   \[v=\sqrt{2hg}\]
  done clear
  C)
   \[\eta {{R}_{e}}=\rho vd\]
  done clear
  D)
   \[S(2d)=Fd\]
  done clear
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• question_answer56) Which of the law representing Maxwells third equation?
  A)
   Gausss law for electricity
  done clear
  B)
   Ampere-Maxwell law
  done clear
  C)
   Gausss law of magnetism
  done clear
  D)
   Faradays law
  done clear
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• question_answer57) A silver wire has a resistance of\[1.6\,\Omega \]. At \[25.5{}^\circ C,\]and a resistance of\[2.5\,\Omega \]. at\[100{}^\circ C,\]then temperature coefficient of resistivity of silver is
  A)
   \[5.55\times {{10}^{-3}}{}^\circ C\]      
  done clear
  B)
   \[7.55\times {{10}^{-3}}{}^\circ C\]
  done clear
  C)
   \[11.75\times {{10}^{-2}}{}^\circ C\]     
  done clear
  D)
   \[15.5\times {{10}^{-3}}{}^\circ C\]
  done clear
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• question_answer58) When a particle returns to its initial point, its
  A)
   displacement is zero
  done clear
  B)
   average velocity is zero
  done clear
  C)
   distance is zero
  done clear
  D)
   average speed is zero
  done clear
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• question_answer59) A body weight 45 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half of the radius of the earth?
  A)
   20 N  
  done clear
  B)
   45 N   
  done clear
  C)
   40 N   
  done clear
  D)
   90 N
  done clear
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• question_answer60) The angle of a prism is\[42{}^\circ \]and refractive index of its material is 3/2. Then, angle of minimum deviation for this prism is
  A)
   \[63{}^\circ \]   
  done clear
  B)
   \[42{}^\circ \]    
  done clear
  C)
   \[28{}^\circ \]    
  done clear
  D)
   \[21{}^\circ \]
  done clear
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• question_answer61) A conducting sphere of radius 5 cm has an unknown charge. The electric field at 10 cm from the centre of the sphere is\[1.8\times {{10}^{3}}N/C\] and points radially inward. What is the net charge on the sphere?
  A)
   1.8 nC
  done clear
  B)
   2 nC  
  done clear
  C)
   1 nC  
  done clear
  D)
   1.5 Nc
  done clear
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• question_answer62) For transistors the value of P is 50 then, the value of a is
  A)
   50/51  
  done clear
  B)
   49/50  
  done clear
  C)
   51/50  
  done clear
  D)
   50/49
  done clear
  View Answer play_arrow

• question_answer63) An infinite line charge produces a field of \[18\times {{10}^{5}}N/C\] at a distance of 4 cm. What is the linear charge density?
  A)
   \[18\mu C/m\]        
  done clear
  B)
   \[5\mu C/m\]
  done clear
  C)
   \[4\mu C/m\]      
  done clear
  D)
   \[10\mu C/m\]
  done clear
  View Answer play_arrow

• question_answer64) What is the fraction of molecular volume to the actual volume occupied by oxygen gas at STP? Given, the diameter of oxygen molecule is\[2\overset{o}{\mathop{\text{A}}}\,\].
  A)
   \[1.75\times {{10}^{-4}}\]    
  done clear
  B)
   \[1.5\times {{10}^{-4}}\]
  done clear
  C)
   \[12\times {{10}^{-4}}\]         
  done clear
  D)
   \[1.125\times {{10}^{-4}}\]
  done clear
  View Answer play_arrow

• question_answer65) A 400 pF capacitor is charged by a 100 V supply. How much electrostatic energy is lost in the process of disconnecting from the supply and connecting another uncharged 400 pF capacitor?
  A)
   \[{{10}^{-5}}J\]
  done clear
  B)
   \[{{10}^{-6}}J\]
  done clear
  C)
   \[{{10}^{-7}}J\]
  done clear
  D)
   \[{{10}^{-4}}J\]
  done clear
  View Answer play_arrow

• question_answer66) The ratio of magnitude of electric displacement  and electric field  is
  A)
   charge density
  done clear
  B)
   permittivity
  done clear
  C)
   electric susceptibility
  done clear
  D)
   dielectric constant
  done clear
  View Answer play_arrow

• question_answer67) An object is gently placed on a long converges belt moving with\[11\text{ }m{{s}^{-1}}\]. If the coefficient of friction is 0.4, then the block will slide in the belt up to a distance of
  A)
   10. 21m.          
  done clear
  B)
   15.43m
  done clear
  C)
   20.3m            
  done clear
  D)
   25.6m
  done clear
  View Answer play_arrow

• question_answer68) A spring balance has a scale that reads from 0 to 60 kg. The length of the scale is 30 cm. A body suspended from this balance and when displaced and released, oscillates with a period of 0.8 s, what is the weight of the body when oscillating?
  A)
   350.67 N          
  done clear
  B)
   540.11 N
  done clear
  C)
  311.24N          
  done clear
  D)
   300.5 N
  done clear
  View Answer play_arrow

• question_answer69) The magnetic needle has magnetic moment \[8.7\times {{10}^{-2}}A-{{m}^{2}}\]and moment of inertia\[11.5\times {{10}^{-6}}kg-{{m}^{2}}\]. It performs 10 complete oscillations in 6.70 s, what is the magnitude of the magnetic field?
  A)
   0.012 T         
  done clear
  B)
   0.120 T
  done clear
  C)
   1.200 T         
  done clear
  D)
   2.10 T
  done clear
  View Answer play_arrow

• question_answer70) The distance for which ray optics is good approximation for an aperture 5mm and wavelength \[5000\overset{o}{\mathop{\text{A}}}\,\] is
  A)
   18m            
  done clear
  B)
   30m
  done clear
  C)
   38m              
  done clear
  D)
   50m
  done clear
  View Answer play_arrow

• question_answer71) A compound microscope has a magnification of 30. The focal length of the eye-piece is 5 cm. If the final image is formed at the least distance of distinct vision (25 cm) the magnification produced by the objective is
  A)
   10   
  done clear
  B)
   7.5    
  done clear
  C)
   5     
  done clear
  D)
   15
  done clear
  View Answer play_arrow

• question_answer72) Which of the following relation is called mirror equation?
  A)
   \[u/v+f/u=1/f\]
  done clear
  B)
   \[1/v+1/u=1/f\]
  done clear
  C)
   \[1/f+u=1/v\]
  done clear
  D)
   \[uf+vf=uv\]
  done clear
  View Answer play_arrow

• question_answer73) A stone of mass 0.05 kg is thrown vertically upwards. What is the direction and magnitude of the net force on the stone during its upward motion?
  A)
   0.49 N vertically downward direction
  done clear
  B)
   0.49 N vertically upwards direction
  done clear
  C)
   0.05 N vertically downwards direction
  done clear
  D)
   9.8 N vertically upwards direction
  done clear
  View Answer play_arrow

• question_answer74) Two different coils have self-inductance\[{{L}_{1}}=8\,mH,\]\[{{L}_{2}}=2\,mH.\]The current in one coil is increased at a constant rate. The current in the second coil is also increased at the same rate. At a certain instant of time, the power given to the two coils is the same. At that time the current, the induced voltage and the energy stored in the first coil are\[{{i}_{1}},{{V}_{1}}\]and\[{{W}_{1}}\]respectively. Corresponding values for the second coil at the same instant are\[{{i}_{2}},{{V}_{2}}\]and\[{{W}_{2}}\]respectively. Then,
  A)
   \[{{W}_{2}}/{{W}_{1}}=8\]
  done clear
  B)
   \[{{W}_{2}}/{{W}_{1}}=1/8\]
  done clear
  C)
   \[{{W}_{2}}/{{W}_{1}}=4\]
  done clear
  D)
   \[{{W}_{2}}/{{W}_{1}}=1/4\]
  done clear
  View Answer play_arrow

• question_answer75) A concave mirror of focal length f produces a real image n times the size of the object. The distance of the object from the mirror is
  A)
   \[(n-1)f\]
  done clear
  B)
   \[(n+1)f\]
  done clear
  C)
   \[(n+1)f/n\]
  done clear
  D)
   \[(n-1)f/n\]
  done clear
  View Answer play_arrow

• question_answer76) Which of the following mentioned is a type of hydrocarbon?
  A)
   Saturated hydrocarbons
  done clear
  B)
   Unsaturated hydrocarbons
  done clear
  C)
   Aromatic hydrocarbons
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer77) The process of formation of polymers from respective monomers is called
  A)
   polyacrylonitrile
  done clear
  B)
   copolymerisation
  done clear
  C)
   polymerization
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer78) Energy of one mole of photons of radiation whose frequency is\[5\times {{10}^{14}}Hz\]is
  A)
   \[199.51\text{ }kJmo{{l}^{-1}}\]
  done clear
  B)
   \[189.51\text{ }kJmo{{l}^{-1}}\]
  done clear
  C)
   \[198.51\text{ }kJmo{{l}^{-1}}\]
  done clear
  D)
   \[188.51\text{ }kJmo{{l}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer79) The total number of orbitals associated with the principal quantum number\[n=3\]is
  A)
   9                
  done clear
  B)
   8
  done clear
  C)
   5                
  done clear
  D)
   7
  done clear
  View Answer play_arrow

• question_answer80) Mass number of an atom is the sum of
  A)
   number of protons\[+\]number of neutrons \[+\]number of electrons
  done clear
  B)
   number of protons\[+\]number of neutrons
  done clear
  C)
   number of protons\[+\]number of electrons
  done clear
  D)
   number of electrons\[+\]number of neutrons
  done clear
  View Answer play_arrow

• question_answer81) Which of the following is used in the manufacture of alloys?
  A)
   Lithium            
  done clear
  B)
   Halides
  done clear
  C)
   Plaster of Paris     
  done clear
  D)
   Beryllium
  done clear
  View Answer play_arrow

• question_answer82) Williamsons synthesis is used to prepare
  A)
   acetone           
  done clear
  B)
   PVC
  done clear
  C)
   ethers              
  done clear
  D)
   bakelite
  done clear
  View Answer play_arrow

• question_answer83) Which acid is present in vinegar?
  A)
   Formic acid      
  done clear
  B)
   Acetic acid   
  done clear
  C)
   Butyric acid        
  done clear
  D)
   Tartaric acid
  done clear
  View Answer play_arrow

• question_answer84) What is the percentage of free space in body centered cubic unit cell?
  A)
   32%            
  done clear
  B)
   20%
  done clear
  C)
   34%            
  done clear
  D)
   28%
  done clear
  View Answer play_arrow

• question_answer85) In the formation of TC-bond, the atomic orbitals overlap in such a way that
  A)
   their axes remain parallel to each other and perpendicular to the internuclear axis
  done clear
  B)
   their axes remain parallel to each other and parallel to the internuclear axis
  done clear
  C)
   their axes remain perpendicular to each other and parallel to the internuclear axis
  done clear
  D)
   their axes remain perpendicular to each other and perpendicular to the internuclear axis
  done clear
  View Answer play_arrow

• question_answer86) What elements are present in /-block series?
  A)
   Lanthanoids
  done clear
  B)
  Actinoids
  done clear
  C)
   Lanthanoids and actinoids
  done clear
  D)
   Lipids
  done clear
  View Answer play_arrow

• question_answer87) What colour is imparted into the flame when lithium is burnt?
  A)
   Golden yellow     
  done clear
  B)
   Brick red
  done clear
  C)
   Crimson red       
  done clear
  D)
   Grassy green
  done clear
  View Answer play_arrow

• question_answer88) Which among the following is a non-colligative property?
  A)
   Elevation in boiling point
  done clear
  B)
   Osmotic pressure
  done clear
  C)
   Refractive index
  done clear
  D)
   Lowering of vapour pressure
  done clear
  View Answer play_arrow

• question_answer89) Ethylene can be converted into alcohol by treatment of
  A)
   \[Aq.\text{ }KOH\]          
  done clear
  B)
  \[{{H}_{2}}S{{O}_{4}}\]as catalyst
  done clear
  C)
   Moist silver oxide  
  done clear
  D)
  \[Zn/HCl\]
  done clear
  View Answer play_arrow

• question_answer90) Negatively charged particles are called
  A)
   electrons          
  done clear
  B)
   protons
  done clear
  C)
   neutrons          
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer91) Atoms with identical atomic number but different atomic mass number are known as
  A)
   polymers         
  done clear
  B)
   isobars
  done clear
  C)
   isotopes          
  done clear
  D)
   isomers
  done clear
  View Answer play_arrow

• question_answer92) The colour of transition metal compound is due to
  A)
   complete ns subshell
  done clear
  B)
   small size metal ions
  done clear
  C)
   incomplete\[(n-1)d\]subshell
  done clear
  D)
   absorption of light in UV region
  done clear
  View Answer play_arrow

• question_answer93) The mixture of reactants and products in the equilibrium state is called?
  A)
   Chemical mixture
  done clear
  B)
   Equilibrium mixture
  done clear
  C)
   Chemical equilibrium
  done clear
  D)
   Dynamic equilibrium
  done clear
  View Answer play_arrow

• question_answer94) Among the following molecule which has the zero. dipole moment?
  A)
   \[B{{F}_{3}}\]   
  done clear
  B)
   \[{{H}_{2}}O\]   
  done clear
  C)
   \[N{{F}_{3}}\]   
  done clear
  D)
   \[Cl{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer95) Who has synthesised the organic compound urea for the first time?
  A)
   Friedrich Wohler   
  done clear
  B)
   Berzelius
  done clear
  C)
   Kolbe             
  done clear
  D)
   Berthelot
  done clear
  View Answer play_arrow

• question_answer96) How much is the pH of human blood?
  A)
   5.2                  
  done clear
  B)
   8.3
  done clear
  C)
   6.3                  
  done clear
  D)
   7.4
  done clear
  View Answer play_arrow

• question_answer97) A reagent which lowers the oxidation number of an element in a given substance in known as
  A)
   oxidising agent    
  done clear
  B)
   reduction
  done clear
  C)
   reducing agent    
  done clear
  D)
   oxidation
  done clear
  View Answer play_arrow

• question_answer98) Sodium carbonate is manufactured by
  A)
   Castner-Kellner
  done clear
  B)
   Solvay process
  done clear
  C)
   oxidation
  done clear
  D)
   transmission process
  done clear
  View Answer play_arrow

• question_answer99) EDTA can form complex with how many number of donor atoms?
  A)
   One              
  done clear
  B)
   Two
  done clear
  C)
   Six               
  done clear
  D)
   Three
  done clear
  View Answer play_arrow

• question_answer100) Henrys law constant value for\[{{O}_{2}}\]in water is
  A)
   46.82              
  done clear
  B)
   43.86
  done clear
  C)
   88.84              
  done clear
  D)
   76.48
  done clear
  View Answer play_arrow

• question_answer101) Polycondensation products of dicarboxylic acids and diols are
  A)
   polyamides        
  done clear
  B)
   neoprene
  done clear
  C)
   glyptal            
  done clear
  D)
   polyesters
  done clear
  View Answer play_arrow

• question_answer102) The attractive force which holds various constituents together in different chemical species is called
  A)
   valence bond
  done clear
  B)
   chemical bond
  done clear
  C)
   atomic bond
  done clear
  D)
   electrovalent bond
  done clear
  View Answer play_arrow

• question_answer103) What are lanthanides and actinides?
  A)
   Inner transition element
  done clear
  B)
   Noble gas
  done clear
  C)
   Normal element
  done clear
  D)
   Transition element
  done clear
  View Answer play_arrow

• question_answer104) Compounds having the same molecular formula but different structures are classified as
  A)
   functional group isomers
  done clear
  B)
   structural isomers
  done clear
  C)
   optical isomerism
  done clear
  D)
   Metamerism
  done clear
  View Answer play_arrow

• question_answer105) Gas constant is equal to the
  A)
   product of two specific heat
  done clear
  B)
   difference of two specific heat
  done clear
  C)
   ratio of two specific heat
  done clear
  D)
   sum of two specific heat
  done clear
  View Answer play_arrow

• question_answer106) The colour in the coordination compounds can be readily explained in terms of
  A)
   spectrochemistry
  done clear
  B)
   chelate effect
  done clear
  C)
   crystal field theory
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer107) Paramagnetism is exhibited due to which one of the following reason?
  A)
   Presence of unpaired electrons
  done clear
  B)
   Presence of completely filled electronic subshell
  done clear
  C)
   By non-transition element
  done clear
  D)
   By elements with noble gas configuration
  done clear
  View Answer play_arrow

• question_answer108) Which one of the following acid does not have a carboxylic group?
  A)
   Methanoic acid
  done clear
  B)
   Ethanoic acid
  done clear
  C)
   Propanoic acid
  done clear
  D)
   Picric acid
  done clear
  View Answer play_arrow

• question_answer109) How will you define the specific heat at constant volume?
  A)
   The amount of heat required to raise the temperature of unit mass of gas through one degree at constant pressure
  done clear
  B)
   The amount of heat required to raise the temperature of 1 kg of water through one degree.
  done clear
  C)
   The amount of heat required to raise the temperature of unit mass of gas through one degree at constant volume
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer110) The chief commercial use of amines as intermediates in the synthesis of
  A)
   medicines
  done clear
  B)
   fibers
  done clear
  C)
   medicines and fibers
  done clear
  D)
   proteins
  done clear
  View Answer play_arrow

• question_answer111) Silver, gold, platinum, iron, copper and titanium are part of the
  A)
   minerals            
  done clear
  B)
   transition metals
  done clear
  C)
   salts               
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer112) Wood spirit is known as
  A)
   Ethanol           
  done clear
  B)
   Methanol
  done clear
  C)
   Propanol           
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer113) What is the value of 1/n in Freundlich adsorption isotherm ?
  A)
   Between 2 and 4 in all cases
  done clear
  B)
   Between 0 and 1 in all cases
  done clear
  C)
   1 in case of chemisorptions
  done clear
  D)
   1 in case of physical adsorption
  done clear
  View Answer play_arrow

• question_answer114) What is the product of reaction between calcium carbide and water?
  A)
   Ethylene        
  done clear
  B)
   Acetylene
  done clear
  C)
   Methane          
  done clear
  D)
   Benzene
  done clear
  View Answer play_arrow

• question_answer115) The crystal lattice of electrovalent compound is composed of
  A)
   oppositely charged ions
  done clear
  B)
   both molecules and ions
  done clear
  C)
   molecules
  done clear
  D)
   atoms
  done clear
  View Answer play_arrow

• question_answer116) Anti-Markownikoff addition of\[HBr\]is observed in
  A)
   propene           
  done clear
  B)
   but-2-ene
  done clear
  C)
   pent-2-ene        
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer117) What kind of isomerism is exhibited by the compounds\[C{{H}_{3}}C{{H}_{2}}CHO\]and\[C{{H}_{3}}COC{{H}_{3}}\]?
  A)
   Geometrical isomerism
  done clear
  B)
   Functional isomers
  done clear
  C)
   Tautomers
  done clear
  D)
   Metamers
  done clear
  View Answer play_arrow

• question_answer118) Mass of a proton is
  A)
   0.00727 amu     
  done clear
  B)
   1.0087 amu
  done clear
  C)
   0.00054 amu     
  done clear
  D)
   1.00727 amu
  done clear
  View Answer play_arrow

• question_answer119) The concentration of hydrogen ion in a sample of soft drink is\[3.8\times {{10}^{-3}}M\]. What is its pH?
  A)
   3.84              
  done clear
  B)
   2.42
  done clear
  C)
   4.44              
  done clear
  D)
   1.42
  done clear
  View Answer play_arrow

• question_answer120) Which factor has no influence on the rate of reaction?
  A)
   Molecularity
  done clear
  B)
   Temperature
  done clear
  C)
   Concentration of reactant
  done clear
  D)
   Nature of reactant
  done clear
  View Answer play_arrow

• question_answer121) What kinds of bonds are present in ethane molecule?
  A)
   1 pi and 5 sigma bonds
  done clear
  B)
   1 pi and 3 sigma bonds
  done clear
  C)
   1 sigma and 1 pi bonds
  done clear
  D)
   3 sigma and 3 pi bonds
  done clear
  View Answer play_arrow

• question_answer122) The smallest quantity of energy that can be emitted or absorbed in the form of electromagnetic radiation is known as
  A)
   quantum          
  done clear
  B)
   photon
  done clear
  C)
   spectrum         
  done clear
  D)
   photoelectron
  done clear
  View Answer play_arrow

• question_answer123) Food preservatives prevent spoilage of food due to microbial growth. The most commonly used preservatives are
  A)
   table salt, sugar
  done clear
  B)
   vegetable oils and sodium benzoate
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}COONa\]
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer124) Based on which method amines are prepared?
  A)
   Reduction of nitro compounds
  done clear
  B)
   Ammonolysis of alkyl halides
  done clear
  C)
   Reduction of nitrites and amides
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer125) All substances that conduct electricity in aqueous solutions are called?
  A)
   Electrolytes         
  done clear
  B)
   Acids
  done clear
  C)
   Buffers             
  done clear
  D)
   Catalyst
  done clear
  View Answer play_arrow

• question_answer126) In which year, IUPAC draft recommends that anionic ligands will end with-ido so that chloro would become chlorido
  A)
   1994  
  done clear
  B)
   1984   
  done clear
  C)
   2000  
  done clear
  D)
   2004
  done clear
  View Answer play_arrow

• question_answer127) Use of chemicals for therapeutic effect is called
  A)
   medicines
  done clear
  B)
   chemotherapy
  done clear
  C)
   drug-target interaction
  done clear
  D)
   phototherapy
  done clear
  View Answer play_arrow

• question_answer128) What is the type of hybridisation found in methane?
  A)
   \[s{{p}^{3}}\]              
  done clear
  B)
   \[s{{p}^{2}}\]
  done clear
  C)
   \[sp\]           
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer129) Addition of oxygen to an element or a compound is termed as
  A)
   oxidation          
  done clear
  B)
   reduction
  done clear
  C)
   ionisation          
  done clear
  D)
   redox reaction
  done clear
  View Answer play_arrow

• question_answer130) Molality of 2.5 g of ethanoic acid\[(C{{H}_{3}}COOH)\]in 75 g of benzene is
  A)
   \[0.565\text{ }mol\text{ }k{{g}^{-1}}\]     
  done clear
  B)
   \[0.656\text{ }mol\text{ }k{{g}^{-1}}\]
  done clear
  C)
   \[0.556\text{ }mol\text{ }k{{g}^{-1}}\]     
  done clear
  D)
   \[0.665\text{ }mol\text{ }k{{g}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer131) It has been found that for a chemical reaction with rise in temperature by\[10{}^\circ ,\]the rate constant is
  A)
   nearly doubled     
  done clear
  B)
   nearly tripled
  done clear
  C)
   increases 5 times  
  done clear
  D)
   increases 4 times
  done clear
  View Answer play_arrow

• question_answer132) Carbonyl compounds are constituents of
  A)
   fabrics, drugs      
  done clear
  B)
   fabrics, plastics
  done clear
  C)
   flavourings, plastics
  done clear
  D)
   All of these
  done clear
  View Answer play_arrow

• question_answer133) What is IUPAC name of iso-propylamine?
  A)
   Propan-2-amine   
  done clear
  B)
   Ethanamine
  done clear
  C)
   2-aminotoluene    
  done clear
  D)
   Propan-1-amine
  done clear
  View Answer play_arrow

• question_answer134) lonization energy and electron affinity are defined at
  A)
   enthalpy           
  done clear
  B)
   spontaneity
  done clear
  C)
   equilibrium         
  done clear
  D)
   absolute zero
  done clear
  View Answer play_arrow

• question_answer135) When acetaldehyde is heated with dilute sodium hydroxide solution, the product is
  A)
   ethanol and sodium acetate
  done clear
  B)
   paraldehyde
  done clear
  C)
   aldol
  done clear
  D)
   brown resin
  done clear
  View Answer play_arrow

• question_answer136) Monovalent sodium and potassium ions, divalent magnesium and calcium ions are found in
  A)
   lipids              
  done clear
  B)
   biological fluids
  done clear
  C)
   fats               
  done clear
  D)
   enzymes
  done clear
  View Answer play_arrow

• question_answer137) The removal of an electron from an atom results in the formation of
  A)
   anion             
  done clear
  B)
   anode
  done clear
  C)
   cation             
  done clear
  D)
   cathode
  done clear
  View Answer play_arrow

• question_answer138) Which compound is responsible for perfumery?
  A)
   Ketones           
  done clear
  B)
   Ethers
  done clear
  C)
   Alcohols           
  done clear
  D)
   Esters
  done clear
  View Answer play_arrow

• question_answer139) Which is the metal present in the coordination compound chlorophyll?
  A)
   Ca             
  done clear
  B)
   Mg
  done clear
  C)
   K              
  done clear
  D)
   Na
  done clear
  View Answer play_arrow

• question_answer140) 45 g of ethylene glycol\[({{C}_{2}}{{H}_{6}}{{O}_{2}})\]is mixed with 600 g of water, what is the depression of freezing point?
  A)
   7.9 K                
  done clear
  B)
   2.5 K
  done clear
  C)
   6.6 K                
  done clear
  D)
   2.2 K
  done clear
  View Answer play_arrow

• question_answer141) In\[B{{r}_{3}}{{O}_{8}}\]compound, oxidation number of bromine is
  A)
   16/13            
  done clear
  B)
  26/3
  done clear
  C)
   24/3
  done clear
  D)
               16/3
  done clear
  View Answer play_arrow

• question_answer142) How many octahedral void(s) are present per atom in a cubic close - packed structure?
  A)
   3                
  done clear
  B)
   4
  done clear
  C)
   1                 
  done clear
  D)
   2
  done clear
  View Answer play_arrow

• question_answer143) Lithium shows diagonal relationship with
  A)
   sodium           
  done clear
  B)
   magnesium
  done clear
  C)
   calcium          
  done clear
  D)
   aluminium
  done clear
  View Answer play_arrow

• question_answer144) Why d-block element form complexes?
  A)
   Due to large size and high nuclear charge
  done clear
  B)
   Due to small size and low nuclear charge
  done clear
  C)
   Due to small size and high nuclear charge
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer145) What is conductance?
  A)
   Inverse of resistance
  done clear
  B)
   Proportional of resistance
  done clear
  C)
   Equal of resistivity
  done clear
  D)
   Equal of resistance
  done clear
  View Answer play_arrow

• question_answer146) Which is the correct statement about solid?
  A)
   Very high compressibility
  done clear
  B)
   Maximum intermolecular distance
  done clear
  C)
   Definite mass but no definite volume
  done clear
  D)
   Maximum intermolecular force of attraction
  done clear
  View Answer play_arrow

• question_answer147) The enthalpy change accompanying a reaction is called
  A)
   reaction enthalpy
  done clear
  B)
   standard enthalpy
  done clear
  C)
   thermochemical equation
  done clear
  D)
   enthalpy of atomization
  done clear
  View Answer play_arrow

• question_answer148) According to IUPAC system, what is the correct   name   of   the   compound\[[Cr{{(N{{H}_{3}})}_{3}}{{({{H}_{2}}O)}_{3}}]C{{l}_{3}}\]
  A)
   triamminetriaquachromium (III) chloride
  done clear
  B)
   triamminetriaquachromiumchloride (III)
  done clear
  C)
   tetraammoniumtriaquachromium (III) chloride
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer149) The relative ease of dehydration of alcohols follows following order
  A)
   tertiary > secondary > primary
  done clear
  B)
   primary > secondary > tertiary
  done clear
  C)
   secondary > tertiary > primary
  done clear
  D)
   tertiary > primary > secondary
  done clear
  View Answer play_arrow

• question_answer150) What is the unit of zero order reaction?
  A)
   \[mol\,L\,{{s}^{-1}}\]
  done clear
  B)
   \[{{s}^{-1}}\]
  done clear
  C)
   \[L\,mo{{l}^{-1}}{{s}^{-1}}\]
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer151) Rough endoplasmic reticulum is actively involved in
  A)
   protein synthesis
  done clear
  B)
   hormone synthesis
  done clear
  C)
   lipid synthesis
  done clear
  D)
   carbohydrate synthesis
  done clear
  View Answer play_arrow

• question_answer152) Passive immunity is
  A)
   inherited from parents
  done clear
  B)
   acquired through first exposure to the disease
  done clear
  C)
   achieved directly through ready-made antibodies
  done clear
  D)
   achieved through vaccination
  done clear
  View Answer play_arrow

• question_answer153) Perinuclear space is present in
  A)
   cytoplasm
  done clear
  B)
   nucleus
  done clear
  C)
   ER (Endoplasmic Reticulum)
  done clear
  D)
   Golgi apparatus
  done clear
  View Answer play_arrow

• question_answer154) To produce one molecule of glucose Calvin cycle turns
  A)
   2 times
  done clear
  B)
   4 times
  done clear
  C)
   6 times
  done clear
  D)
   8 times
  done clear
  View Answer play_arrow

• question_answer155) In dicotyledonous stem, which of the following is the sequence of tissues from to outside?
  A)
   Pith, phloem, cambium, protoxylem, metaxylem, pericycle, parenchyma, collenchyma, endodermis and epidermis
  done clear
  B)
   Pith, cambium, phloem, protoxylem, metaxylem, pericycle, endodermis, parenchyma, collenchyma and epidermis
  done clear
  C)
   Pith. phloem, protoxylem, metaxylem, cambium, pericycle, endodermis, parenchyma, collenchyma and epidermis
  done clear
  D)
   Pith. protoxylem, metaxylem, cambium, phloem, pericycle, endodermis, parenchyma, collenchyma and epidermis
  done clear
  View Answer play_arrow

• question_answer156) Major pigments found in Phaeophyceae, i.e., brown algae are
  A)
   chlorophyll a, d
  done clear
  B)
   chlorophyll a, b, c
  done clear
  C)
   chlorophyll a, c and fucoxanthin
  done clear
  D)
   chlorophyll a, d and phycoerythrin
  done clear
  View Answer play_arrow

• question_answer157) How many recombinant therapeutics have been used for human diseases throughout the world?
  A)
   12              
  done clear
  B)
   24
  done clear
  C)
   30              
  done clear
  D)
   56
  done clear
  View Answer play_arrow

• question_answer158) Widal test is done to confirm
  A)
   malaria           
  done clear
  B)
   typhoid
  done clear
  C)
   pneumonia        
  done clear
  D)
   jaundice
  done clear
  View Answer play_arrow

• question_answer159) During incomplete dominance,\[{{F}_{2}}-\]generation will have
  A)
   \[3:1\]genotypic ratio
  done clear
  B)
   \[3:1\]phenotypic ratio
  done clear
  C)
   \[1:2:1\]genotypic ratio
  done clear
  D)
   \[1:2:1\]phenotypic ratio
  done clear
  View Answer play_arrow

• question_answer160) Cisternae have a diameter of
  A)
  \[0.5\text{ }\mu m\text{ }to\text{ }1.0\text{ }\mu \text{m}\]
  done clear
  B)
   \[\text{1}\text{.0 }\mu m\text{ }to\text{ }1.5\text{ }\mu \text{m}\]
  done clear
  C)
   \[\text{1}\text{.5 }\mu m\text{ }to\text{ 2}.0\text{ }\mu \text{m}\]
  done clear
  D)
   \[\text{2}\text{.0 }\mu m\text{ }to\text{ 2}.5\text{ }\mu \text{m}\]
  done clear
  View Answer play_arrow

• question_answer161) The anterior portion of the sperm head which is covered by a cap-like structure called
  A)
   acrosome         
  done clear
  B)
   antrum
  done clear
  C)
   sertoli cells        
  done clear
  D)
   enzymes
  done clear
  View Answer play_arrow

• question_answer162) Class is the category of taxonomy which includes related
  A)
   families           
  done clear
  B)
   orders
  done clear
  C)
   genus             
  done clear
  D)
   species
  done clear
  View Answer play_arrow

• question_answer163) The secretory immunoglobulin present in the colostrum of mother is
  A)
   1gM   
  done clear
  B)
   1gG    
  done clear
  C)
   1gA   
  done clear
  D)
   1Gd
  done clear
  View Answer play_arrow

• question_answer164)  When Respiratory Quotient (RQ) is less than 0.1 in a respiratory metabolism, it means that
  A)
   carbohydrates are used as respiratory substrate
  done clear
  B)
   volume of carbon dioxide evolved is less than volume of oxygen consumed
  done clear
  C)
   volume of carbon dioxide evolved is more than volume of oxygen consumed
  done clear
  D)
   volume of carbon dioxide evolved is equal, to volume of oxygen consumed
  done clear
  View Answer play_arrow

• question_answer165) Zygote is resulted by the process
  A)
   isogamy         
  done clear
  B)
   anisogamy
  done clear
  C)
   monogamy        
  done clear
  D)
   syngamy
  done clear
  View Answer play_arrow

• question_answer166) The region of DNA sequence that provides binding site for RNA polymerase is
  A)
   terminator         
  done clear
  B)
   structural gene
  done clear
  C)
   origin sequence    
  done clear
  D)
   promoter
  done clear
  View Answer play_arrow

• question_answer167) A small protein attached to the outer surface of the inner membrane and which acts as a mobile carrier for transfer of electrons between complex III and IV is
  A)
   cytochrome d     
  done clear
  B)
   cytochrome c
  done clear
  C)
   cytochrome b     
  done clear
  D)
   cytochrome a
  done clear
  View Answer play_arrow

• question_answer168) Lindemann for the first time gave energy transfer law, which states that
  A)
   only 20% of the energy is transferred to each trophic level
  done clear
  B)
   only 10% of the energy is transferred to each trophic level
  done clear
  C)
   only 30% of the energy is transferred to each trophic level
  done clear
  D)
   only 50% of the energy is transferred to each trophic level
  done clear
  View Answer play_arrow

• question_answer169) Genes which code for a pair of contrasting characters are called
  A)
   factors             
  done clear
  B)
   traits
  done clear
  C)
   alleles              
  done clear
  D)
   gametes
  done clear
  View Answer play_arrow

• question_answer170) During the process of sexual reproduction in flowering, plants, double fertilisation involves
  A)
   fertilisation of egg cell by two male gametes
  done clear
  B)
   fertilisation of egg cell and a central cell by two male gametes brought by same pollen tube
  done clear
  C)
   fertilisation of egg cell and a central cell by two male gametes brought by different-pollen tube
  done clear
  D)
   fertilisation of two egg cells by two male gametes brought by same pollen tube
  done clear
  View Answer play_arrow

• question_answer171) Length of grapes stalks increases due to
  A)
   auxin               
  done clear
  B)
   cytokinins
  done clear
  C)
   gibberellins         
  done clear
  D)
   ethylene
  done clear
  View Answer play_arrow

• question_answer172) The pattern of arrangement of leaves on the stem is known as
  A)
   heterophylly        
  done clear
  B)
   phyllode
  done clear
  C)
   phyllotaxy          
  done clear
  D)
   phylloclade
  done clear
  View Answer play_arrow

• question_answer173) Megakaryocytes, special cells in the bone marrow produce cell fragments are called
  A)
   leucocytes        
  done clear
  B)
   erythrocytes
  done clear
  C)
   thrombocytes      
  done clear
  D)
   fibrinogen
  done clear
  View Answer play_arrow

• question_answer174) Placentation found in tomato is
  A)
   marginal           
  done clear
  B)
   axile
  done clear
  C)
   parietal            
  done clear
  D)
   basal
  done clear
  View Answer play_arrow

• question_answer175) The accumulation of urea in the blood due to malfunctioning of kidneys is referred as
  A)
   uremia            
  done clear
  B)
   renal calculi
  done clear
  C)
   edema           
  done clear
  D)
   glomerulonephritis
  done clear
  View Answer play_arrow

• question_answer176) Typhlosole is a structure associated with
  A)
   circulatory system of earthworm
  done clear
  B)
   digestive system of earthworm
  done clear
  C)
   excretory system of earthworm
  done clear
  D)
   reproductive system of earthworm
  done clear
  View Answer play_arrow

• question_answer177) Which mechanism of evolution affects the genetic makeup in a population?
  A)
   Natural selection   
  done clear
  B)
   Adaptation
  done clear
  C)
   Genetic drift       
  done clear
  D)
   Gene mutation
  done clear
  View Answer play_arrow

• question_answer178) The myelin sheath around the axon is produced by which type of neuroglial cells?
  A)
   Satellite glial cells  
  done clear
  B)
   Radial glial cells
  done clear
  C)
   Dendrocytes      
  done clear
  D)
   Schwann cells
  done clear
  View Answer play_arrow

• question_answer179) The embryo sac of angiosperms contains
  A)
   3 celled egg apparatus, 3 antipodal cell and 2 polar nuclei
  done clear
  B)
   2 celled egg apparatus, 3 antipodal cell and 2 polar nuclei
  done clear
  C)
   3 celled egg apparatus, 2 antipodal. cell and 1 polar nuclei
  done clear
  D)
   3 celled egg apparatus, 1 antipodal cell and 2 polar nuclei
  done clear
  View Answer play_arrow

• question_answer180) What is the chromosome number in the meiocytes of apple?
  A)
   12              
  done clear
  B)
   34
  done clear
  C)
   46              
  done clear
  D)
   78
  done clear
  View Answer play_arrow

• question_answer181) Developing pollen is nourished by
  A)
   tapetum          
  done clear
  B)
   endothecium
  done clear
  C)
   epidermis         
  done clear
  D)
   middle layer
  done clear
  View Answer play_arrow

• question_answer182) An endocrine gland in human, which play a important role in the regulation of rhythm of the body is
  A)
   adrenal gland      
  done clear
  B)
   pineal gland
  done clear
  C)
   thymus            
  done clear
  D)
   thyroid gland
  done clear
  View Answer play_arrow

• question_answer183) The process of exchange of\[{{O}_{2}}\]from the atmosphere with\[C{{O}_{2}}\]produced by the cells is called
  A)
   biological respiration
  done clear
  B)
   photosynthesis
  done clear
  C)
   biological assimilation
  done clear
  D)
   gaseous exchange
  done clear
  View Answer play_arrow

• question_answer184) First husband of Asha had ABO blood type A and their child had type 0. She remarried and her second husband had ABO blood type B and their child had type AB. What is the ABO genotype of Asha and also name her blood type?
  A)
   ii, blood type 0    
  done clear
  B)
  \[{{I}_{B}}{{I}_{O}},\]blood type B
  done clear
  C)
   \[{{I}_{A}}{{I}_{B}},\]blood type AB 
  done clear
  D)
   \[{{I}_{B}}i,\]blood type A
  done clear
  View Answer play_arrow

• question_answer185) In which techniques, the donor semen is artificially introduced into the uterus?
  A)
   Intra vaginal insemination
  done clear
  B)
   Intra uterine insemination
  done clear
  C)
   Intracytoplasmic sperm injection
  done clear
  D)
   Gamete intra Fallopian transfer
  done clear
  View Answer play_arrow

• question_answer186) Carbon dioxide, methane, nitrogen oxide and chlorofluorocarbons are called green house gases because they can absorb
  A)
   ultraviolet radiations
  done clear
  B)
   visible light radiations
  done clear
  C)
   gamma-rays radiations
  done clear
  D)
   long wave infrared radiations
  done clear
  View Answer play_arrow

• question_answer187) Transfer of pollen grains from the anther to the stigma of another flower of the different plant is known as
  A)
   autogamy
  done clear
  B)
   geitonogamy
  done clear
  C)
   xenogamy
  done clear
  D)
   cleistogamy
  done clear
  View Answer play_arrow

• question_answer188) In IUCN Red List (2004) documents, the extinction 784 species includes
  A)
   335 vertebrates, 360 invertebrates and 89 plants
  done clear
  B)
   337 vertebrates, 362 invertebrates and 88 plants
  done clear
  C)
   338 vertebrates. 359 invertebrates and 87 plants
  done clear
  D)
   340 vertebrates. 357 invertebrates and 87 plants
  done clear
  View Answer play_arrow

• question_answer189) Who gave semi-conservative mode of DNA replication for the first time in E.coli with the help of 15 N heavy nitrogen isotope?
  A)
   Watson and Crick
  done clear
  B)
   Kornberg and Ochoa
  done clear
  C)
   Meselson and Stahl
  done clear
  D)
   Luria and Delbruck
  done clear
  View Answer play_arrow

• question_answer190) Axoneme is a structure associated with
  A)
   golgi bodies
  done clear
  B)
   only cilia
  done clear
  C)
   only flagella
  done clear
  D)
   Both cilia and flagella
  done clear
  View Answer play_arrow

• question_answer191) Scientific names of plants are based on principles criteria agreed by and are given in
  A)
   IUCN           
  done clear
  B)
   ICZN
  done clear
  C)
   ICBN           
  done clear
  D)
   ICPN
  done clear
  View Answer play_arrow

• question_answer192) Two plants one with black flower and other with white coloured flower were crossed in an experiment. In next generation grey coloured flowers were obtained The reason for the result is
  A)
   incomplete dominance
  done clear
  B)
   pseudo-dominance
  done clear
  C)
   codominance
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer193) The depolarisation of the atria is represented by
  A)
   P-wave          
  done clear
  B)
   Q-wave
  done clear
  C)
   T-wave          
  done clear
  D)
   ORS complex
  done clear
  View Answer play_arrow

• question_answer194) The enzyme involved in the crossing over between two homologous chromosome is
  A)
   nuclease         
  done clear
  B)
   RNA polymerase
  done clear
  C)
   recombinase     
  done clear
  D)
   DNA polymerase
  done clear
  View Answer play_arrow

• question_answer195) During the transcription, if nucleotide sequence of DNA strand, is being coded as ATACG, then the nucleotide sequence of mRNA would be
  A)
  UATGC        
  done clear
  B)
   TATGC
  done clear
  C)
   UAUGC        
  done clear
  D)
   TATGG
  done clear
  View Answer play_arrow

• question_answer196) Micro organism used for commercial production of acetic acid is
  A)
   Saccharomyces cerevisiae
  done clear
  B)
   Aspergilfus niger
  done clear
  C)
   Acetobacter
  done clear
  D)
   Clostridium butylicum
  done clear
  View Answer play_arrow

• question_answer197) \[{{C}_{4}}\]plants have bundle sheath cells which possess
  A)
   few chloroplasts with thin walls so that gaseous exchange can take place
  done clear
  B)
   large number of chloroplasts with thick walls impervious to gaseous exchange
  done clear
  C)
   large number of chloroplasts and intercellular spaces
  done clear
  D)
   few chloroplasts with thick walls and no intercellular spaces
  done clear
  View Answer play_arrow

• question_answer198) When water moves out of the plant cell and the cell membrane of a plant shrinks away from its cell, then this condition is known as
  A)
   plasmolysis       
  done clear
  B)
   exosmosis
  done clear
  C)
   hydrolysis         
  done clear
  D)
   endosmosis
  done clear
  View Answer play_arrow

• question_answer199) Gene therapy is a treatment that can be done with
  A)
   adults only
  done clear
  B)
   child or embryo only
  done clear
  C)
   pregnant mother only
  done clear
  D)
   persons of any age and any condition
  done clear
  View Answer play_arrow

• question_answer200) Somatic hybridisation can be done by
  A)
   protoplast fusion   
  done clear
  B)
   cell culture
  done clear
  C)
   haploid anther      
  done clear
  D)
   pollen culture
  done clear
  View Answer play_arrow

• question_answer201) Function of zinc in plants is
  A)
   sugar transport
  done clear
  B)
   activation of enzymes
  done clear
  C)
   cell elongation
  done clear
  D)
   pollen germination
  done clear
  View Answer play_arrow

• question_answer202) Hyacinth is termed as the terror of Bengal how it causing death of fishes?
  A)
   Covers the surface of the water that inhibit sunlight to pass through
  done clear
  B)
   Drains oxygen from the water that causes oxygen deficiency
  done clear
  C)
   Absorbs nutrients from the water that causes malnutrition
  done clear
  D)
   Releases carbon dioxide in a huge amount with is lethal to fishes
  done clear
  View Answer play_arrow

• question_answer203) Snake, a terrestrial animal that excretes nitrogen wastes in the form of uric acid is called
  A)
   uricotelic
  done clear
  B)
   ureotelic
  done clear
  C)
   ammonotelic
  done clear
  D)
   Not confirmed for any type
  done clear
  View Answer play_arrow

• question_answer204) Mendel conducted hybridisation experiments on garden peas for
  A)
   7 years            
  done clear
  B)
   6 years
  done clear
  C)
   5 years            
  done clear
  D)
   4 years
  done clear
  View Answer play_arrow

• question_answer205) Pigeon is a
  A)
   oviparous organism
  done clear
  B)
   viviparous organism
  done clear
  C)
   ovo-viviparous organism
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer206) During the process of artificial hybridisation if the female plant bears bisexual flowers then emasculation is done with the help of forceps, which is
  A)
   Removal of style from the flower bud before the anther dehiscence
  done clear
  B)
   Removal of style from the flower bud after the anther dehiscence
  done clear
  C)
   Removal of anthers from the flower bud before anther dehiscence
  done clear
  D)
   Removal of anthers from the flower bud after the anther dehiscence
  done clear
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• question_answer207) Which part of the plant contains sporogenous tissue?
  A)
   Pollen            
  done clear
  B)
   Microspores
  done clear
  C)
   Young anther      
  done clear
  D)
   Stamen
  done clear
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• question_answer208) The roots hanging from the branches of banyan tree are
  A)
   Primary root       
  done clear
  B)
   Fibrous root
  done clear
  C)
   Prop root         
  done clear
  D)
   Pneumatophore
  done clear
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• question_answer209) The number of individuals of the population who left the habitat and gone elsewhere during the time period under consideration is known as
  A)
   natality             
  done clear
  B)
   mortality
  done clear
  C)
   emigration         
  done clear
  D)
   immigration
  done clear
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• question_answer210) The nucleus of megaspore divides mitotically to form two nuclei which move to opposite poles, and thus form an embryo sac which is
  A)
   8 nucleate         
  done clear
  B)
   6 nucleate
  done clear
  C)
   4 nucleate         
  done clear
  D)
   2 nucleate
  done clear
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• question_answer211) During glycolysis fructose 1, 6-bisphosphate is split into
  A)
   dihydroxyacetone       phosphate       and 2- phosphoglycera. dehyde
  done clear
  B)
   dihydroxyacetone       phosphate       and 1 -phosphoglyceraldehyde
  done clear
  C)
   dihydroxyacetone phosphate and 2-phosphoglycerate
  done clear
  D)
   dihydroxyacetone       phosphate       and 3-phosphoglyceraldehyde
  done clear
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• question_answer212) Bacillus thuringiensis (Bt) strains have been used for designing novel
  A)
   biofertilisers
  done clear
  B)
   bioinsecticidal plants
  done clear
  C)
   biomineralisation process
  done clear
  D)
   biometallurgical techniques
  done clear
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• question_answer213) The term biomagnification refers to
  A)
   increase in concentration of non-degradable poilutant through a food chain
  done clear
  B)
   growth of organisms due to food consumption
  done clear
  C)
   decrease in population size
  done clear
  D)
   increase in population size
  done clear
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• question_answer214) What is the full form of AIDS?
  A)
   Acquired Immuno Deficiency Syndrome
  done clear
  B)
   Acquired Immunity Deficiency Syndrome
  done clear
  C)
   Acquired Immuno Deficient Syndrome
  done clear
  D)
   Acquired Immunity Deficient Syndrome
  done clear
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• question_answer215) In which method of animal breeding two different species of male and female animals are mated?
  A)
   Cross-breeding
  done clear
  B)
   Interspecific hybridization
  done clear
  C)
   Out breeding
  done clear
  D)
   Out crossing
  done clear
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• question_answer216) Ozone hole is measured in
  A)
   Decibel
  done clear
  B)
   Dobson Units (DU)                        
  done clear
  C)
   Parts Per Million (PPM)
  done clear
  D)
   Cubic Centimeter
  done clear
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• question_answer217) The strategy used to prevent the nematode infection in the roots of tobacco plant is called
  A)
   use of agro chemicals
  done clear
  B)
   bt toxin gene                               
  done clear
  C)
   gene mutation
  done clear
  D)
   RNA interference
  done clear
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• question_answer218) Prothallus of Petridophytes is                 
  A)
   conspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte
  done clear
  B)
   inconspicuous, small, multicellular, free-living, photosynthetic thalloid gametophyte
  done clear
  C)
   inconspicuous, large, unicellular, free-living, photosynthetic thalloid gametophyte
  done clear
  D)
   inconspicuous, small, multcellular, free-living, non-phot.osynthetic thalloid sporophyte
  done clear
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• question_answer219) A process in which shape of chemical compound is changed without breaking of bonds
  A)
   chemical process  
  done clear
  B)
   physical process
  done clear
  C)
   biological process  
  done clear
  D)
   enzymatic reaction
  done clear
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• question_answer220) Classification which is based on evolutionary relationship of various organisms is
  A)
   artificial classification
  done clear
  B)
   natural classification
  done clear
  C)
   the five kingdom classification
  done clear
  D)
   phylogenetic classification
  done clear
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• question_answer221) Herbarium sheets are arranged according to the system of classification and should have information about
  A)
   time and place of collection, English, local and botanical names, phylum, collectors name
  done clear
  B)
   date and time of collection, English, local and botanical names, class, collectors name
  done clear
  C)
   date and place of collection, English, local and botanical names, order, collectors name
  done clear
  D)
   date and place of collection, English, local and botanical names, family, collectors name
  done clear
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• question_answer222) The epidermal hairs present on the stem of the plant is called
  A)
   trichomes         
  done clear
  B)
   root hairs
  done clear
  C)
   stomata           
  done clear
  D)
   guard cells
  done clear
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• question_answer223) Which one of the following is the specific xerophytic adaptation?
  A)
   Presence of spines
  done clear
  B)
   Absence of stomata
  done clear
  C)
   Presence of long tap root system
  done clear
  D)
   Presence of stipular leaves
  done clear
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• question_answer224) The middle part of the small intestine is
  A)
   duodenum        
  done clear
  B)
   jejunum
  done clear
  C)
   ileum             
  done clear
  D)
   pyloric region
  done clear
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• question_answer225) A nucleotide has three components
  A)
   a nitrogenous base, a hextose sugar and a phosphate group
  done clear
  B)
   a nitrogenous base, a pentose sugar and a phosphate group
  done clear
  C)
   a nitrogenous base, a pentose sugar and a bisphosphate group
  done clear
  D)
   a nitrogenous base, a pentose sugar and a triphosphate group
  done clear
  View Answer play_arrow