Solved papers for BCECE Medical BCECE Medical Solved Papers-2010

done BCECE Medical Solved Papers-2010 Total Questions - 150

• question_answer1) Find the dimensions of electric permittivity.
  A)
   \[[{{A}^{2}}{{M}^{-1}}{{L}^{-3}}{{T}^{4}}]\] 
  done clear
  B)
   \[[{{A}^{2}}{{M}^{-1}}{{L}^{-3}}{{T}^{0}}]\]
  done clear
  C)
   \[[A{{M}^{-1}}{{L}^{-3}}{{T}^{4}}]\]     
  done clear
  D)
   \[[{{A}^{2}}{{M}^{0}}{{L}^{-3}}{{T}^{4}}]\]
  done clear
  View Answer play_arrow

• question_answer2) A ship of mass \[3\times {{10}^{7}}\] kg, initially at rest, is pulled by a force of \[5\times {{10}^{4}}\] N through a distance of 3 m. Assuming that the resistance due to water is negligible, the speed of the ship is
  A)
   1.5 m/s        
  done clear
  B)
   60 m/s
  done clear
  C)
   0.1 m/s         
  done clear
  D)
   5 m/s
  done clear
  View Answer play_arrow

• question_answer3) If the external forces acting on a system have zero resultant, the centre of mass
  A)
   may move but not accelerate
  done clear
  B)
   may accelerate
  done clear
  C)
   must not move
  done clear
  D)
   None of the above
  done clear
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• question_answer4) An object is placed on the surface of a smooth inclined plane of inclination \[\theta \]. It takes time t to reach the bottom. If the same object is allowed to slide down a rough inclined plane of inclination 9, it takes time nt to reach the bottom, where n is a number greater than 1. The coefficient of friction u is given by
  A)
   \[\mu =\tan \theta \left( 1-\frac{1}{{{n}^{2}}} \right)\]
  done clear
  B)
   \[\mu =\cos \theta \left( 1-\frac{1}{{{n}^{2}}} \right)\]
  done clear
  C)
   \[\mu =\tan \theta \sqrt{1-\frac{1}{\sqrt{{{n}^{2}}}}}\]
  done clear
  D)
   \[\mu =\cot \theta \sqrt{1-\frac{1}{{{n}^{2}}}}\]
  done clear
  View Answer play_arrow

• question_answer5) A 500 kg horse pulls a cart of mass 1500 kg along a level road with an acceleration of 1\[m/{{s}^{2}}\]. If the coefficient of sliding friction is 0.2, then the horizontal force exerted by the earth on the horse is
  A)
   300kg-wt      
  done clear
  B)
   400 kg-wt
  done clear
  C)
   500 kg-wt      
  done clear
  D)
   600 kg-wt
  done clear
  View Answer play_arrow

• question_answer6) A spring is held compressed so that its stored energy is 2.4 J. Its ends are in contact with masses 1 g and 48 g placed on a frictionless table. When the spring is released, the heavier mass will acquire a speed of
  A)
   \[\frac{2.4}{49}m{{s}^{-1}}\]
  done clear
  B)
   \[\frac{2.4\times 48}{49}m{{s}^{-1}}\]
  done clear
  C)
   \[\frac{{{10}^{3}}}{7}cm{{s}^{-1}}\]
  done clear
  D)
   \[\frac{{{10}^{6}}}{7}cm{{s}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer7) Two simple pendulums first [A] of bob mass \[{{M}_{1}}\] and length \[{{L}_{1}}\], second  of bob mass \[{{M}_{2}}\]and length \[{{L}_{2}}\]. \[{{M}_{1}}={{M}_{2}}\] and \[{{L}_{1}}=2{{L}_{2}}\]. If the vibrational energy of both is same. Then which of the following is correct?
  A)
   Amplitude of B is greater than that of A
  done clear
  B)
   Amplitude of B is smaller than that of A
  done clear
  C)
   Amplitude will be same
  done clear
  D)
   None of the above
  done clear
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• question_answer8) Which logic gate is represented by the following combination of logic gates?
  A)
   OR          
  done clear
  B)
   NAND
  done clear
  C)
   AND         
  done clear
  D)
   NOR
  done clear
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• question_answer9) A body of mass m is situated on the earth in the gravitational field of sun. For the body to escape from the gravitation pull of the solar system the body must be imparted an escape velocity of (assume earth to be stationary)
  A)
   11.2 km/s      
  done clear
  B)
   22.4 km/s
  done clear
  C)
   33.6 km/s      
  done clear
  D)
   42 km/s  
  done clear
  View Answer play_arrow

• question_answer10) Find the lifting force of a 4 kg cork life belt in sea water, if the densitites of cork and sea water are \[0.2\times {{10}^{3}}kg/{{m}^{3}}\] and \[1.3\times {{10}^{3}}kg/{{m}^{3}}\] respectively.
  A)
   163 N          
  done clear
  B)
   273 N
  done clear
  C)
   119N          
  done clear
  D)
   298 N
  done clear
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• question_answer11) Nitrogen \[({{N}_{2}})\] is in equilibrium state at T = 421 K. The value of most probable speed, \[{{v}_{mp}}\] is
  A)
   400 m/s       
  done clear
  B)
   421 m/s
  done clear
  C)
   500 m/s       
  done clear
  D)
   600 m/s
  done clear
  View Answer play_arrow

• question_answer12) The temperature at which the velocity of oxygen will be half that of hydrogen at NTP is
  A)
   \[{{1092}^{o}}C\]
  done clear
  B)
   \[{{1492}^{o}}C\]
  done clear
  C)
   273 K
  done clear
  D)
   \[{{819}^{o}}C\]
  done clear
  View Answer play_arrow

• question_answer13) Two sound waves, each of amplitude A and frequency\[\omega \], superpose at a point with phase difference of \[\frac{\pi }{2}\]. The amplitude and frequency of the resultant wave are respectively
  A)
   \[\frac{A}{\sqrt{2}},\frac{\omega }{2}\]
  done clear
  B)
   \[\frac{A}{\sqrt{2}},\omega \] 
  done clear
  C)
   \[\sqrt{2A},\,\,\frac{\omega }{2}\]
  done clear
  D)
   \[\sqrt{2A},\,\,\omega \]
  done clear
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• question_answer14) A source emits electromagnetic waves of wavelength 3 m. One beam reaches the observer directly and other after reflection from a water surface, travelling 1.5 m extra distance and with intensity reduced to (1/4) as compared to intensity due to direct beam alone. The resultant intensity will be
  A)
   (1/4) fold      
  done clear
  B)
   (3/4) fold
  done clear
  C)
   (5/4) fold       
  done clear
  D)
   (9/4) fold
  done clear
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• question_answer15) A square of side 3 cm is located at a distance 25 cm from a concave mirror of focal length 10 cm. The centre of square is at the axis of the mirror and the plane is normal to axis of mirror. The area enclosed by the image of the square is
  A)
   4 \[c{{m}^{2}}\]
  done clear
  B)
   6 \[c{{m}^{2}}\]
  done clear
  C)
   16 \[c{{m}^{2}}\]
  done clear
  D)
   36 \[c{{m}^{2}}\]
  done clear
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• question_answer16) A charge q is placed at the centre of the line joining two equal charges Q. The system of the three charges will be in equilibrium if q is equal
  A)
   \[-\frac{Q}{2}\]
  done clear
  B)
   \[-\frac{Q}{4}\]
  done clear
  C)
   \[+\frac{Q}{4}\]
  done clear
  D)
   \[+\frac{Q}{2}\]
  done clear
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• question_answer17) The numerical value of charge on either plate of capacitor C shown in figure
  A)
   CE            
  done clear
  B)
   \[\frac{CE{{R}_{1}}}{{{R}_{1}}+r}\]
  done clear
  C)
   \[\frac{CE{{R}_{2}}}{{{R}_{2}}+r}\]
  done clear
  D)
   \[\frac{CE{{R}_{1}}}{{{R}_{2}}+r}\]
  done clear
  View Answer play_arrow

• question_answer18) A proton enters a magnetic field of flux density 1.5 \[Wb/{{m}^{2}}\] with a speed of \[2\times {{10}^{7}}\] m/s at angle of \[{{30}^{o}}\] with the field. The force on a proton will be
  A)
   \[0.24\times {{10}^{-12}}N\]
  done clear
  B)
   \[2.4\times {{10}^{-12}}\text{ }N\]
  done clear
  C)
   \[24\times {{10}^{12}}N~\]  
  done clear
  D)
   \[0.024\times {{10}^{12}}\text{ }N\]
  done clear
  View Answer play_arrow

• question_answer19) Two long straight wires are set parallel to each other at separation rand each carries a current\[i\] in the same direction. The strength of the magnetic field at any point midway between the two wires is
  A)
   \[\frac{{{\mu }_{0}}i}{\pi r}\]               
  done clear
  B)
   \[\frac{2{{\mu }_{0}}i}{\pi r}\]
  done clear
  C)
   \[\frac{{{\mu }_{0}}i}{2\pi r}\]
  done clear
  D)
   zero
  done clear
  View Answer play_arrow

• question_answer20) The work done in turning a magnet of magnetic moment M by an angle of \[{{90}^{o}}\] from the meridian is n times the corresponding work done to turn it through an angle of \[{{60}^{o}}\]
  A)
   \[n=\frac{1}{2}\]             
  done clear
  B)
   \[n=2\]
  done clear
  C)
   \[n=\frac{1}{4}\]
  done clear
  D)
   \[n=1\]
  done clear
  View Answer play_arrow

• question_answer21) An inductive coil has a resistance of \[100\,\,\Omega \]. When an AC signal of frequency 1,000 Hz is applied to the coil, the voltage leads the current by \[{{45}^{o}}\]. The inductance of the coil is
  A)
   \[\frac{1}{10\pi }\]
  done clear
  B)
   \[\frac{1}{20\pi }\]
  done clear
  C)
   \[\frac{1}{40\pi }\]
  done clear
  D)
   \[\frac{1}{60\pi }\]
  done clear
  View Answer play_arrow

• question_answer22) An inductor of 1 H is connected across a 220 V. 50 Hz supply. The peak value of the current is approximately
  A)
   0.5 A            
  done clear
  B)
   0.7 A
  done clear
  C)
   1A               
  done clear
  D)
   1.4 A
  done clear
  View Answer play_arrow

• question_answer23) The figure shows an equiconvex lens of focal length\[f\]. If the lens is cut along PQ, the focal length of each half will be
  A)
   \[\frac{f}{2}\]                
  done clear
  B)
   \[f\]
  done clear
  C)
   \[2f\]              
  done clear
  D)
   \[4f\]
  done clear
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• question_answer24) Light of two different frequencies whose photons have energies 1 eV and 2.5 eV successively illuminate a metal of work function 0.5 eV. The ratio of the maximum speeds of the emitted electrons will be
  A)
   1 : 5           
  done clear
  B)
   1 : 4
  done clear
  C)
   1 : 2           
  done clear
  D)
   1 : 1
  done clear
  View Answer play_arrow

• question_answer25) An electron jumps from the first excited state to the ground state of hydrogen atom. What will be the percentage change in the speed of electron?
  A)
   25%          
  done clear
  B)
   50%
  done clear
  C)
   100%         
  done clear
  D)
   200%
  done clear
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• question_answer26) The mutual inductance of a pair of coils, each of N turns, is M henry. If a current of \[i\] ampere in one of the coils is brought to zero in t second, the emf induced per turn in the other coil, in volt will be
  A)
   \[\frac{Mi}{t}\]
  done clear
  B)
   \[\frac{NMi}{t}\]
  done clear
  C)
   \[\frac{MN}{it}\]
  done clear
  D)
   \[\frac{Mi}{Nt}\]
  done clear
  View Answer play_arrow

• question_answer27) A body falls from rest. In the last second of its fall it covers half of the total distance. If g is 9.8\[m/{{s}^{2}}\], then the total time of its fall is (in second)
  A)
   2             
  done clear
  B)
   \[2+\sqrt{2}\]
  done clear
  C)
   \[2-\sqrt{2}\]
  done clear
  D)
   \[2\pm \sqrt{2}\]
  done clear
  View Answer play_arrow

• question_answer28) A force \[\vec{F}=a\hat{i}+3\hat{j}+6\hat{k}\] is acting at a point\[\vec{r}=2\hat{i}-6\hat{j}-12\hat{k}\]. The value of a for which angular momentum is conserved is
  A)
   zero           
  done clear
  B)
   1
  done clear
  C)
   -1             
  done clear
  D)
   2
  done clear
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• question_answer29) A wooden block is floating in a liquid 50% of its volume inside the liquid when the vessel is stationary. Percentage of volume immersed when the vessel moves upwards with an acceleration \[a=g/3\] is
  A)
   30% 
  done clear
  B)
   50%
  done clear
  C)
   60%          
  done clear
  D)
   67%
  done clear
  View Answer play_arrow

• question_answer30) Two resistors \[400\,\,\Omega \]. And \[800\,\,\Omega \] are connected in series with a 6 V battery. The potential difference measured by voltmeter of\[10\,\,\Omega \] across \[400\,\,\Omega \] resistor is
  A)
   2 V              
  done clear
  B)
   1.95V
  done clear
  C)
   3.8V            
  done clear
  D)
   4V
  done clear
  View Answer play_arrow

• question_answer31) An astronomical telescope in normal adjustment receives light from a distant source S the tube length is now decreased slightly, then
  A)
   no image will be formed
  done clear
  B)
   a virtual image of S will be formed at a finite distance
  done clear
  C)
   a large, real image of S will be formed behind the eye-piece, far away from it
  done clear
  D)
   a small, real image of S will be formed behind the eye-piece close to it
  done clear
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• question_answer32) The potential difference in volt across the resistance ^3 in the circuit shown in figure, is \[({{R}_{1}}=15\,\,\Omega ,{{R}_{2}}=15\,\Omega ,\,{{R}_{3}}=30\,\Omega ,\,{{R}_{4}}=35\,\Omega )\]
  A)
   5                
  done clear
  B)
   7.5
  done clear
  C)
   15               
  done clear
  D)
   12.5
  done clear
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• question_answer33) The ratio of molecular masses of two radioactive substances is 3/2 and the ratio of their decay constants is 4/3. Then, the ratio of their initial activities per mole will be
  A)
   2
  done clear
  B)
   4/3
  done clear
  C)
   8/9
  done clear
  D)
   9/8
  done clear
  View Answer play_arrow

• question_answer34) The resultant of two forces P and Q is of magnitude P. If P be doubled, the resultant will be inclined to Q at an angle
  A)
   \[{{0}^{o}}\]
  done clear
  B)
   \[{{30}^{o}}\]
  done clear
  C)
   \[{{60}^{o}}\]
  done clear
  D)
   \[{{90}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer35) A person is at a distance x from a bus when the bus begins to move with a constant acceleration a. What is the minimum velocity with which the person should run towards the bus so as to catch it?
  A)
   \[2ax\]
  done clear
  B)
   \[\sqrt{2ax}\]
  done clear
  C)
   \[ax\]
  done clear
  D)
   \[\sqrt{ax}\]
  done clear
  View Answer play_arrow

• question_answer36) A car is travelling with linear velocity v on a circular road of radius r. If it is increasing its speed at the rate of a \[m/{{s}^{2}}\], then the resultant acceleration will be
  A)
   \[\left( \frac{{{v}^{2}}}{r}+a \right)\]
  done clear
  B)
   \[{{\left( \frac{{{v}^{2}}}{{{r}^{2}}}+a \right)}^{1/2}}\]
  done clear
  C)
   \[{{\left( \frac{{{v}^{4}}}{{{r}^{2}}}+{{a}^{2}} \right)}^{1/2}}\]
  done clear
  D)
   \[{{\left( \frac{{{v}^{2}}}{{{r}^{2}}}-{{a}^{2}} \right)}^{1/2}}\]
  done clear
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• question_answer37) A body of mass 10 kg at rest explodes into two pieces of masses 7 kg and 3 kg. If the total increase in kinetic energy due to explosion is 1680 J, the magnitude of their relative velocity in m/s, after explosion is
  A)
   40              
  done clear
  B)
   50
  done clear
  C)
   70              
  done clear
  D)
   80
  done clear
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• question_answer38) The moment of inertia of a body about a given axis is 1.2 kg \[{{m}^{2}}\]. Initially the body is at rest. In order to produce a rotational kinetic energy of 1500 J, an angular acceleration of 25 \[rad/{{s}^{2}}\]must be applied about that axis for a duration of
  A)
   4 s           
  done clear
  B)
   2 s
  done clear
  C)
   8 s           
  done clear
  D)
   10 s
  done clear
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• question_answer39) Steel and aluminium wires have equal resistances and masses. Which of the wires is longer and how many times? (Given, densities of steel and aluminium are \[7.8\times {{10}^{3}}kg\,{{m}^{3}}\] and \[2.7\times {{10}^{3}}kg\,{{m}^{-3}}\] and their resistivities are \[01.5\,\mu \Omega -m\] and \[00.28\,\mu \Omega -m\] respectively)
  A)
   The aluminium wire is 3.9 times longer
  done clear
  B)
   The aluminium wire is 1.3 times longer
  done clear
  C)
   The aluminium wire is 2.6 times longer
  done clear
  D)
   The steel wire is 3.9 times longer
  done clear
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• question_answer40) Two cells of emf s \[{{E}_{1}}\] and \[{{E}_{2}}({{E}_{1}}>{{E}_{2}})\] are connected as shown in figure. When a potentiometer is connected between A and B, the balancing length of the potentiometer wire is 300 cm. On connecting the same potentiometer between A and C, the F balancing length is 100 cm. The ratio \[\frac{{{E}_{1}}}{{{E}_{2}}}\] is
  A)
   3 : 1          
  done clear
  B)
   1 : 3
  done clear
  C)
   2 : 3         
  done clear
  D)
   3 : 2
  done clear
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• question_answer41) In hydrogen atom the electron is making \[6.6\times {{10}^{15}}\] rev/s around the nucleus of radius 0.53 \[\overset{o}{\mathop{A}}\,\]. The magnetic field produced at the centre of the orbit is nearly
  A)
   0.12 \[Wb/{{m}^{2}}\]    
  done clear
  B)
   1.2 \[Wb/{{m}^{2}}\]
  done clear
  C)
   12 \[Wb/{{m}^{2}}\]
  done clear
  D)
   120 \[Wb/{{m}^{2}}\]
  done clear
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• question_answer42) An AC source is 120 V-60 Hz. The value of voltage after \[\frac{1}{720}\] from start will be
  A)
   20.2 V          
  done clear
  B)
   42.4 V
  done clear
  C)
   84.8 V         
  done clear
  D)
   106.8 V
  done clear
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• question_answer43) The energy difference between the first two levels of hydrogen atom is 10.2 eV. For another element of atomic number 10 and mass number 20, this will be
  A)
   1020 eV        
  done clear
  B)
   2040 eV
  done clear
  C)
   0.51 eV        
  done clear
  D)
   0.102 eV
  done clear
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• question_answer44) The following equation represents induced transmutation \[_{4}B{{e}^{9}}_{2}H{{e}^{4}}{{\xrightarrow{{}}}_{6}}{{C}^{12}}+X\] In this equation, X represents
  A)
   one \[{{\beta }^{-}}\]particle   
  done clear
  B)
   \[\alpha \]-particle
  done clear
  C)
   a positron       
  done clear
  D)
   a neutron
  done clear
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• question_answer45) The masses of neutron and proton are 1.0087 and 1.0073 amu respectively. If the neutrons and protons combine to form helium nucleus of mass 4.0015 amu the binding energy of the helium nucleus will be
  A)
   28.4 MeV      
  done clear
  B)
   20.8 MeV
  done clear
  C)
   27.3 MeV      
  done clear
  D)
   14.2 MeV
  done clear
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• question_answer46) The activity of a radioactive sample is measured as 9750 count/min at t = 0 and 975 count/min att = 5min. The decay constant is nearly
  A)
   0.922 \[{{\min }^{-1}}\]
  done clear
  B)
   0.691 \[{{\min }^{-1}}\]
  done clear
  C)
   0.461 \[{{\min }^{-1}}\]
  done clear
  D)
   0.230 \[{{\min }^{-1}}\]
  done clear
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• question_answer47) Light of wavelength \[\lambda \], strikes a photoelectric surface and electrons are ejected with an energy E. If E is to be increased to exactly twice its original value, the wavelength changes to\[\lambda \], where
  A)
   \[\lambda \] is less than \[\frac{\lambda }{2}\]
  done clear
  B)
   \[\lambda \] is greater than \[\frac{\lambda }{2}\]
  done clear
  C)
   \[\lambda \] is greater than \[\frac{\lambda }{2}\] but less than A-
  done clear
  D)
   \[\lambda \] is exactly equal to \[\frac{\lambda }{2}\]
  done clear
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• question_answer48) Three point masses, each of mass m are placed at the comers of an equilateral triangle of side cl The moment of inertia of this system about an axis along one side of the triangle is
  A)
   3 \[m{{a}^{2}}\]
  done clear
  B)
   \[m{{a}^{2}}\]
  done clear
  C)
   3 \[m{{a}^{2}}\]
  done clear
  D)
   3 \[m{{a}^{2}}\]
  done clear
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• question_answer49) A pipe opened at both ends produces a note of frequency \[{{f}_{1}}\]. When the pipe is kept with \[\frac{3}{4}\] th of its length in water, it produces a note of frequency \[{{f}_{2}}\]. The ratio \[\frac{{{f}_{1}}}{{{f}_{2}}}\] is
  A)
   \[\frac{3}{4}\]                 
  done clear
  B)
   \[\frac{4}{3}\]
  done clear
  C)
   \[\frac{1}{2}\]
  done clear
  D)
   2
  done clear
  View Answer play_arrow

• question_answer50) A solenoid is 1.5 m long and its inner diameter is 4.0 cm. It has 3 layers of windings of 1000 turns each and carries a current of 2.0 A. The magnetic flux for a cross-section of the solenoid is nearly
  A)
   \[4.1\times {{10}^{-5}}\] Wb 
  done clear
  B)
   \[5.2\times {{10}^{-5}}\] Wb
  done clear
  C)
   \[6.31\times {{10}^{-3}}\] Wb  
  done clear
  D)
   \[2.5\times {{10}^{-7}}\] Wb
  done clear
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• question_answer51) How many moles of helium gas occupy 22.4 L at\[{{0}^{o}}C\] and 1 atm pressure?
  A)
   0.11           
  done clear
  B)
   1.11
  done clear
  C)
   0.90           
  done clear
  D)
   1.0
  done clear
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• question_answer52) The compound which contains both ionic and covalent bond
  A)
   KCl           
  done clear
  B)
   KCN
  done clear
  C)
   \[C{{H}_{4}}\]
  done clear
  D)
   \[{{H}_{2}}\]
  done clear
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• question_answer53) The following is endothermic reaction
  A)
   Decomposition of water
  done clear
  B)
   Conversion of graphite to diamond
  done clear
  C)
   Dehydrogenation of ethane to ethylene
  done clear
  D)
   All of the above
  done clear
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• question_answer54) A saturated solution of \[A{{g}_{2}}S{{O}_{4}}\] is \[2.5\times {{10}^{-2}}M\]. The value of its solubility product is
  A)
   \[62.5\times {{10}^{-6}}\]
  done clear
  B)
   \[6.25\times {{10}^{-4}}\]
  done clear
  C)
   \[15.625\times {{10}^{-6}}\]   
  done clear
  D)
   \[3.125\times {{10}^{-6}}\]
  done clear
  View Answer play_arrow

• question_answer55) The enthalpies of combustion of carbon, and carbon monoxide are -393.5 and \[-285\,\,kJ\,\,mo{{l}^{-1}}\] respectively. The enthalpy of formation of carbon monoxide per mole is
  A)
   110.5 kJ        
  done clear
  B)
   676.5 kJ
  done clear
  C)
   -676.5 kJ      
  done clear
  D)
   -110.5 kJ
  done clear
  View Answer play_arrow

• question_answer56) 1 g ice absorbs 335 J of heat to melt at \[{{0}^{o}}C\]. The entropy change will be
  A)
   \[1.2\,\,J\,{{K}^{-1}}mo{{l}^{-1}}\]  
  done clear
  B)
   \[335\,\,J{{K}^{-1}}mo{{l}^{-1}}\]
  done clear
  C)
   \[22.1\,\,J{{K}^{-1}}mo{{l}^{-1}}\]
  done clear
  D)
   \[0.8\,\,J{{K}^{-1}}mo{{l}^{-1}}\]
  done clear
  View Answer play_arrow

• question_answer57) An ideal gas cant be liquefied because
  A)
   its critical temperature is always above \[{{0}^{o}}C\]
  done clear
  B)
   its molecules are relatively smaller in size
  done clear
  C)
   it solidifies before becoming a liquid
  done clear
  D)
   forces operative between its molecules are negligible
  done clear
  View Answer play_arrow

• question_answer58) What type of crystal defect is indicated in the diagram below? \[N{{a}^{+}}\,C{{l}^{-}}\,N{{a}^{+}}\] \[C{{l}^{-}}\,\,N{{a}^{+}}\,\,C{{l}^{-}}\]       \[C{{l}^{-}}\] \[C{{l}^{-}}\,\,N{{a}^{+}}\,\,N{{a}^{+}}\] \[N{{a}^{+}}\,\,C{{l}^{-}}\] \[C{{l}^{-}}\,\,N{{a}^{+}}\,\,C{{l}^{-}}\]          \[C{{l}^{-}}\,\,N{{a}^{+}}\] \[C{{l}^{-}}\,\,N{{a}^{+}}\,\,N{{a}^{+}}\]
  A)
   Frenkel defect
  done clear
  B)
   Schottky defect
  done clear
  C)
   Interstitial defect
  done clear
  D)
   Frenkel and Schottky defects
  done clear
  View Answer play_arrow

• question_answer59) A metal has bcc structure and the edge length of its unit cell is \[3.04\,\,\overset{o}{\mathop{A}}\,\]. The volume of the unit cell in \[c{{m}^{3}}\] will be  
  A)
   \[1.6\times {{10}^{-21}}c{{m}^{3}}\]
  done clear
  B)
   \[2.81\times {{10}^{-23}}c{{m}^{3}}\]
  done clear
  C)
   \[6.02\times {{10}^{-23}}c{{m}^{3}}\]
  done clear
  D)
   \[6.6\times {{10}^{-24}}c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer60) Peptisation denotes
  A)
   digestion of food
  done clear
  B)
   hydrolysis of proteins
  done clear
  C)
   breaking and dispersion into the colloidal state
  done clear
  D)
   precipitation of solid from colloidal dispersion
  done clear
  View Answer play_arrow

• question_answer61) Plaster of Paris is
  A)
   \[CaS{{O}_{4}}\,.\,2{{H}_{2}}O\]
  done clear
  B)
   \[CaS{{O}_{4}}\,.\,\,{{H}_{2}}O\]
  done clear
  C)
   \[CaS{{O}_{4}}\,.\,\frac{1}{2}{{H}_{2}}O\]
  done clear
  D)
   \[CaS{{O}_{4}}\,.\,4{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer62) Cone. \[HN{{O}_{3}}\] reacts with \[{{I}_{2}}\] to form
  A)
   HI         
  done clear
  B)
   HOI
  done clear
  C)
   \[HI{{O}_{2}}\]
  done clear
  D)
   \[HI{{O}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer63) Coal gas is a mixture of
  A)
   \[{{H}_{2}}O\] and CO    
  done clear
  B)
   \[{{H}_{2}}\], CO and \[C{{H}_{4}}\]
  done clear
  C)
   \[{{H}_{2}}\]and CO     
  done clear
  D)
   \[C{{H}_{4}}\]and CO
  done clear
  View Answer play_arrow

• question_answer64) Stainless steel contains
  A)
   Fe + Cr + Cu   
  done clear
  B)
   Fe + Cu + Ni
  done clear
  C)
   Fe + Cr + Ni   
  done clear
  D)
   Fe +Ni + Cu
  done clear
  View Answer play_arrow

• question_answer65) The isomers which can be converted into another form by rotation of the molecule around single bond are
  A)
   geometrical isomers
  done clear
  B)
   conformers
  done clear
  C)
   enantiomers
  done clear
  D)
   diastereomers
  done clear
  View Answer play_arrow

• question_answer66) An organic compound contains 49.3% carbon, 6.84% hydrogen and its vapour density is 73. Molecular formula of the compound is
  A)
   \[{{C}_{3}}{{H}_{5}}{{O}_{2}}\]
  done clear
  B)
   \[{{C}_{4}}{{H}_{10}}{{O}_{2}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{10}}{{O}_{4}}\]
  done clear
  D)
   \[{{C}_{3}}{{H}_{10}}{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer67) Ozone in stratosphere is depleted by
  A)
   \[C{{F}_{2}}C{{l}_{2}}\]
  done clear
  B)
   \[{{C}_{7}}{{F}_{16}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\]
  done clear
  D)
   \[{{C}_{6}}{{F}_{6}}\]
  done clear
  View Answer play_arrow

• question_answer68) Iodine is formed when KI reacts with a solution of
  A)
   \[CuS{{O}_{4}}\]
  done clear
  B)
   \[{{(N{{H}_{4}})}_{2}}S{{O}_{4}}\]
  done clear
  C)
   \[ZnS{{O}_{4}}\]
  done clear
  D)
   \[FeS{{O}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer69) Select the correct order of the strength of acids given below
  A)
   \[HCl{{O}_{4}}<HCl{{O}_{3}}<HClO<HCl{{O}_{2}}\]
  done clear
  B)
   \[HCl{{O}_{4}}<HCl{{O}_{3}}<HCl{{O}_{2}}<HClO\]
  done clear
  C)
   \[HClO<HCl{{O}_{2}}<HCl{{O}_{3}}<HCl{{O}_{4}}\]
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer70) Which one of the following statements regarding helium is incorrect?
  A)
   It is used to fill gas balloons instead of hydrogen because it is lighter and non- inflammable
  done clear
  B)
   It is used as a cryogenic agent for carrying out experiments at low temperatures.
  done clear
  C)
   It is used to produce and sustain powerful superconducting magnets
  done clear
  D)
   It is used in gas-cooled nuclear reactors
  done clear
  View Answer play_arrow

• question_answer71) One would expect proton to have very large
  A)
   ionisation potential
  done clear
  B)
   radius
  done clear
  C)
   charge
  done clear
  D)
   hydration energy
  done clear
  View Answer play_arrow

• question_answer72) What is the correct orbital designation of an electron with the quantum number, \[n=4,\,l=3,\,m=-2,\,\,s=\frac{1}{2}?\]
  A)
   3s              
  done clear
  B)
   4f
  done clear
  C)
   5p              
  done clear
  D)
   6s
  done clear
  View Answer play_arrow

• question_answer73) The energy of an electron in second Bohr orbit of hydrogen atom is
  A)
   \[-5.44\times {{10}^{-19}}eV\]
  done clear
  B)
   \[-5.44\times {{10}^{-19}}cal\]
  done clear
  C)
    \[-5.44\times {{10}^{-19}}kJ\]
  done clear
  D)
   \[-5.44\times {{10}^{-19}}J\]
  done clear
  View Answer play_arrow

• question_answer74) One of the following has greatest electron affinity. Identify it.
  A)
   O               
  done clear
  B)
   S
  done clear
  C)
   Se            
  done clear
  D)
     Te
  done clear
  View Answer play_arrow

• question_answer75) The ONO angle is maximum in
  A)
   \[NO_{3}^{-}\]         
  done clear
  B)
   \[NO_{2}^{-}\]
  done clear
  C)
   \[N{{O}_{2}}\]
  done clear
  D)
   \[NO_{2}^{+}\]
  done clear
  View Answer play_arrow

• question_answer76) The pH value for \[\frac{1}{1000}\] N-KOH solution is
  A)
   3               
  done clear
  B)
   10-11
  done clear
  C)
   2               
  done clear
  D)
   11
  done clear
  View Answer play_arrow

• question_answer77) The equilibrium constant for a reaction, \[{{N}_{2}}(g)+{{O}_{2}}(g)\,\,\,\rightleftarrows \,\,\,2NO(g)\] is \[4\times {{10}^{-4}}\] at 2000 K. In the presence of catalyst, the equilibrium is attained 10 times faster. The equilibrium constant in presence of catalyst at 2000 K is
  A)
   \[10\times {{10}^{-4}}\]
  done clear
  B)
   \[4\times {{10}^{-2}}\]
  done clear
  C)
   \[4\times {{10}^{-4}}\]
  done clear
  D)
   \[40\times {{10}^{-4}}\]
  done clear
  View Answer play_arrow

• question_answer78) Consider the following \[{{E}^{o}}\] values \[E_{F{{e}^{3+}}/F{{e}^{2+}}}^{o}=+0.77\,\,V\] \[E_{S{{n}^{2+}}/Sn}^{o}=-0.14\,\,V\] Under standard conditions the potential for the reaction, \[Sn(s)+2F{{e}^{3+}}(aq)\xrightarrow{{}}2F{{e}^{2+}}(aq)+S{{n}^{2+}}(aq)\] is
  A)
   1.68 V
  done clear
  B)
   1.40 V
  done clear
  C)
   0.91 V          
  done clear
  D)
   0.63 V
  done clear
  View Answer play_arrow

• question_answer79) The relationship between the values of osmotic pressure of 0.1 M solutions of \[KN{{O}_{3}}({{p}_{1}})\] and \[C{{H}_{3}}COOH({{p}_{2}})\] is
  A)
   \[\frac{{{p}_{1}}}{{{p}_{1}}+{{p}_{2}}}=\frac{{{p}_{2}}}{{{p}_{1}}+{{p}_{2}}}\]
  done clear
  B)
   \[{{p}_{1}}>{{p}_{2}}\]
  done clear
  C)
   \[{{p}_{2}}>{{p}_{1}}\]
  done clear
  D)
   \[{{p}_{1}}={{p}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer80) Volume of 0.6 M \[NaOH\] required to neutralize \[30\,c{{m}^{3}}\] of 0.4 M HCl is
  A)
   \[30\,\,c{{m}^{3}}\]
  done clear
  B)
   \[45\,\,c{{m}^{3}}\]
  done clear
  C)
   \[20\,\,c{{m}^{3}}\]
  done clear
  D)
   \[50\,\,c{{m}^{3}}\]
  done clear
  View Answer play_arrow

• question_answer81) For nth order reaction, the half-life period, \[{{t}_{1/2}}\] is proportional to initial concentration as
  A)
   \[\frac{1}{{{a}^{n-1}}}\]
  done clear
  B)
   \[{{a}^{n+1}}\]
  done clear
  C)
   \[{{a}^{n-1}}\]
  done clear
  D)
   \[\frac{1}{{{a}^{n}}}\]
  done clear
  View Answer play_arrow

• question_answer82) Thermite is a mixture of
  A)
   \[C{{r}_{2}}{{O}_{3}}+A{{l}_{2}}{{O}_{3}}\]
  done clear
  B)
   \[F{{e}_{2}}{{O}_{3}}+Al\]
  done clear
  C)
   \[F{{e}_{2}}{{O}_{3}}+A{{l}_{2}}{{O}_{3}}\]
  done clear
  D)
   \[A{{l}_{2}}{{O}_{3}}+2Cr\]
  done clear
  View Answer play_arrow

• question_answer83) Of the ions \[Z{{n}^{2+}},N{{i}^{2+}}\] ad \[C{{r}^{3+}}\] (atomic number of Zn = 30, Ni = 28 and Cr = 24)
  A)
   all these are colourless
  done clear
  B)
   all these are coloured
  done clear
  C)
   only \[N{{i}^{2+}}\] is coloured and \[Z{{n}^{2+}}\]and \[C{{r}^{3+}}\] are colourless
  done clear
  D)
   only \[Z{{n}^{2+}}\] is colourless and \[N{{i}^{2+}}\] and \[C{{r}^{3+}}\] are coloured
  done clear
  View Answer play_arrow

• question_answer84) The coordination number of a central metal atom in a complex is determined by
  A)
   the number of ligands around a metal ion bonded by G-bonds
  done clear
  B)
   the number of ligands around a metal ion bonded by TC-bonds
  done clear
  C)
   the number of ligands around a metal ion bonded by a and Ti-bonds both
  done clear
  D)
   the number of only anionic ligands bonded to the metal ion
  done clear
  View Answer play_arrow

• question_answer85) Potassium ferricyanide on ionisation produces
  A)
   2 ions           
  done clear
  B)
   1 ion
  done clear
  C)
   3 ions           
  done clear
  D)
   4 ions
  done clear
  View Answer play_arrow

• question_answer86) The IUPAC name of \[C{{H}_{3}}-\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{2}}-\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{\underset{\begin{smallmatrix}  | \\  OH \end{smallmatrix}}{\mathop{C}}\,}}\,-C{{H}_{3}}\]
  A)
   1,1-dimethyl-1,3-butanediol
  done clear
  B)
   2-methyl-2,4-pentanediol
  done clear
  C)
   4-methyl-2,4-pentanediol
  done clear
  D)
   1,3,3-trimethyl-l,3-propane diol
  done clear
  View Answer play_arrow

• question_answer87) The order of decreasing Stability of the carbanions is \[{{(C{{H}_{3}})}_{3}}\overline{C}(1),\,{{(C{{H}_{3}})}_{2}}\overline{C}H(2)C{{H}_{3}}\overline{C}{{H}_{2}}(3)\], \[{{C}_{6}}{{H}_{5}}\overline{C}{{H}_{2}}(4)\]
  A)
   \[1>2>3>4\]
  done clear
  B)
   \[4>3>2>2>1\]
  done clear
  C)
   \[1>2>4>3\]    
  done clear
  D)
   \[4>1>2>3\]
  done clear
  View Answer play_arrow

• question_answer88) Which set of products is expected on reductive ozonolysis of the following diolefin? \[C{{H}_{3}}CH=\overset{\begin{smallmatrix}  C{{H}_{3}} \\  | \end{smallmatrix}}{\mathop{C}}\,-CH=C{{H}_{2}}\]
  A)
   \[C{{H}_{3}}CHO;C{{H}_{3}}COCH=C{{H}_{2}}\]
  done clear
  B)
   \[C{{H}_{3}}CH=\underset{\begin{smallmatrix}  | \\  C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-CHO;C{{H}_{2}}O\]
  done clear
  C)
   \[C{{H}_{3}}CHO;C{{H}_{3}}COCHO;C{{H}_{2}}O\]
  done clear
  D)
   \[C{{H}_{3}}CHO;C{{H}_{3}}COC{{H}_{2}};C{{H}_{2}}O\]
  done clear
  View Answer play_arrow

• question_answer89) Which of the following pairs is/are correctly matched?

  	Reaction	Product
  I.	\[RX+AgCN\]	RNC
  II.	\[RX+KCN\]	RCN
  III.	\[RX+KN{{O}_{2}}\]
  IV.	\[RX+AgN{{O}_{2}}\]	\[R-O-N=O\]

  Select the correct answer using the codes given below                                    
  A)
   I alone          
  done clear
  B)
   I and II
  done clear
  C)
   III and IV     
  done clear
  D)
   I, II, III and IV
  done clear
  View Answer play_arrow

• question_answer90) A mixture of benzaldehyde and formaldehyde on heating with aqueous NaOH solution gives
  A)
   benzyl alcohol and sodium formate
  done clear
  B)
   sodium benzoate and methyl alcohol
  done clear
  C)
   sodium benzoate and sodium formate
  done clear
  D)
   benzyl alcohol and methyl alcohol
  done clear
  View Answer play_arrow

• question_answer91) Which of the following react with NaOH to produce an acid and an alcohol?
  A)
   \[HCHO\]
  done clear
  B)
   \[C{{H}_{3}}COOH\]
  done clear
  C)
   \[C{{H}_{3}}C{{H}_{2}}COOH\]
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}COOH\]
  done clear
  View Answer play_arrow

• question_answer92) Which of the following has the maximum acidic strength?
  A)
   o-nitrobenzoic acid
  done clear
  B)
   m-nitrobenzoic acid
  done clear
  C)
   p-nitrobenzoic acid
  done clear
  D)
   p-nitrophenol
  done clear
  View Answer play_arrow

• question_answer93) Fentons reagent is
  A)
   \[Zn+HCl\]
  done clear
  B)
   \[Sn+HCl\]
  done clear
  C)
   \[FeS{{O}_{4}}+{{H}_{2}}{{O}_{2}}\]
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer94) The energy stored in the cells of a living body is in the form of
  A)
   fats           
  done clear
  B)
   glucose
  done clear
  C)
   ATP            
  done clear
  D)
   proteins
  done clear
  View Answer play_arrow

• question_answer95) Saccharin is a/an
  A)
   aliphatic hydrocarbon
  done clear
  B)
   polynuclear compound
  done clear
  C)
   sweetening agent
  done clear
  D)
   sugar
  done clear
  View Answer play_arrow

• question_answer96) The nucleic acid the purine base having two possible binding sites is
  A)
   thymine        
  done clear
  B)
   cytosine
  done clear
  C)
   guanine        
  done clear
  D)
   adenine
  done clear
  View Answer play_arrow

• question_answer97) On reduction secondary amine is given by
  A)
   nitroethane     
  done clear
  B)
   methylcyanide
  done clear
  C)
   methylisocyanide
  done clear
  D)
   nitrobenzene
  done clear
  View Answer play_arrow

• question_answer98) In chlorobenzene solution, the basic strength of amines increases in the order
  A)
   \[{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}\]
  done clear
  B)
   \[({{C}_{2}}{{H}_{5}})N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{({{C}_{2}}{{H}_{5}})}_{3}}N\]
  done clear
  C)
   \[{{({{C}_{2}}{{H}_{5}})}_{2}}NH<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{3}}N\]
  done clear
  D)
   \[{{({{C}_{2}}{{H}_{5}})}_{3}}N<{{C}_{2}}{{H}_{5}}N{{H}_{2}}<{{({{C}_{2}}{{H}_{5}})}_{2}}NH\]
  done clear
  View Answer play_arrow

• question_answer99) Dimethyl terephthalate and ethylene glycol react to form
  A)
   nylon-6         
  done clear
  B)
   nylon-66
  done clear
  C)
   dacron          
  done clear
  D)
   neoprene
  done clear
  View Answer play_arrow

• question_answer100) Gasoline is a mixture of
  A)
   \[{{C}_{6}}-{{C}_{11}}\] alkanes
  done clear
  B)
   \[{{C}_{3}}-{{C}_{5}}\] alkanes
  done clear
  C)
   \[{{C}_{7}}-{{C}_{9}}\] alkanes
  done clear
  D)
   \[{{C}_{15}}-{{C}_{20}}\] alkanes
  done clear
  View Answer play_arrow

• question_answer101) Paraffin wax is
  A)
   ester
  done clear
  B)
   acid
  done clear
  C)
   monohydric alcohol
  done clear
  D)
   cholesterol
  done clear
  View Answer play_arrow

• question_answer102) In Pinus, male cone bears a large number of
  A)
   ligules          
  done clear
  B)
   anthers
  done clear
  C)
   microsporophylls
  done clear
  D)
   megasporophylls
  done clear
  View Answer play_arrow

• question_answer103) In plants, water supply is due to
  A)
   osmosis         
  done clear
  B)
   imbibition
  done clear
  C)
   guttation        
  done clear
  D)
   adhesion force
  done clear
  View Answer play_arrow

• question_answer104) Streptomycin is obtained from
  A)
   Streptomyces griseus
  done clear
  B)
   Streptomyces aureofaciens
  done clear
  C)
   Streptomyces venezuelae
  done clear
  D)
   Streptomyces ramosus
  done clear
  View Answer play_arrow

• question_answer105) Podocytes are the cells, present in
  A)
   cortex of nephron
  done clear
  B)
   inner wall of Bowmans capsule
  done clear
  C)
   outer wall of Bowmans capsule
  done clear
  D)
   wall of glomerular capillaries
  done clear
  View Answer play_arrow

• question_answer106) Vitamin-D is synthesised in skin by the action of sunlight on
  A)
   cholesterol
  done clear
  B)
   7-hydroxy cholesterol
  done clear
  C)
   cephalin cholesterol
  done clear
  D)
   All of the above
  done clear
  View Answer play_arrow

• question_answer107) Lichen is the pioneer vegetation on which succession?
  A)
   Hydrosere     
  done clear
  B)
   Lithosere
  done clear
  C)
   Psammosere     
  done clear
  D)
   Xerosere
  done clear
  View Answer play_arrow

• question_answer108) Spindle fibre is made up of
  A)
   tubulin
  done clear
  B)
   humulin
  done clear
  C)
   intermediate filament
  done clear
  D)
   flagellin
  done clear
  View Answer play_arrow

• question_answer109) Late blight of potato is caused by
  A)
   Ustilago
  done clear
  B)
   Pseudomonas
  done clear
  C)
   Phytophthora infestans
  done clear
  D)
   Colletotricum falcatum
  done clear
  View Answer play_arrow

• question_answer110) Most accepted theory for ascent of sap is
  A)
   capillarity theory
  done clear
  B)
   root pressure theory
  done clear
  C)
   pulsation theory
  done clear
  D)
   transpiration pull
  done clear
  View Answer play_arrow

• question_answer111) Cleavage polyembryony occurs in
  A)
   Pinus           
  done clear
  B)
   mini Cycas
  done clear
  C)
   Cycas           
  done clear
  D)
   Ephedra
  done clear
  View Answer play_arrow

• question_answer112) Edible part of mushroom is
  A)
   basidiocarp
  done clear
  B)
   secondary mycelium
  done clear
  C)
   primary mycelium
  done clear
  D)
   tertiary mycelium
  done clear
  View Answer play_arrow

• question_answer113) Which is a major crop in Asia?
  A)
   Rice            
  done clear
  B)
   Sugarcane
  done clear
  C)
   Jowar          
  done clear
  D)
   Millet
  done clear
  View Answer play_arrow

• question_answer114) In malaria, the product released by mosquito into blood that causes chill and fever, is called
  A)
   heamatin       
  done clear
  B)
   Schuffhers dots
  done clear
  C)
   haemozoin      
  done clear
  D)
   haemotoxin
  done clear
  View Answer play_arrow

• question_answer115) Most widely used bioweapon is
  A)
   Bacillus subtilis
  done clear
  B)
   Pseudomonas putida
  done clear
  C)
   Bacillus anthracis
  done clear
  D)
   None of the above
  done clear
  View Answer play_arrow

• question_answer116) Ruminate endospermis found in
  A)
   Cruciferae      
  done clear
  B)
   Asteraceae
  done clear
  C)
   Euphorbiaceae  
  done clear
  D)
   Annonaceae
  done clear
  View Answer play_arrow

• question_answer117) Viral genome incorporated host DNA is called
  A)
   prophase       
  done clear
  B)
   prophage
  done clear
  C)
   bacteriophage   
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer118) In Mollusca, eye is present over a stalk, called
  A)
   ostractum      
  done clear
  B)
   operculum
  done clear
  C)
   ommatophores  
  done clear
  D)
   osphradium
  done clear
  View Answer play_arrow

• question_answer119) In cell cycle/during which phase, chromosomes are arranged in equatorial plate?
  A)
   Metophase      
  done clear
  B)
   Anaphase
  done clear
  C)
   Telophase      
  done clear
  D)
   Prophase
  done clear
  View Answer play_arrow

• question_answer120) Intron transcripts in heterogeneous nuclear RNA (7mRNA)are removed and exon transcripts are joined together under the direction of protein complexes. These complexes are
  A)
   polysomes      
  done clear
  B)
   cdk complex
  done clear
  C)
   spliceosomes    
  done clear
  D)
   endopeptidases
  done clear
  View Answer play_arrow

• question_answer121) Myrmecobius and Myrmecophaga are closely related and have similar adaptations for the same habitat. This phenomenon is
  A)
   divergent evolution
  done clear
  B)
   homoplasv
  done clear
  C)
   convergent evolution
  done clear
  D)
   parallel evolution
  done clear
  View Answer play_arrow

• question_answer122) Which are the sites of ATPase activity in the cilia and flagella?
  A)
   Base of cilia and flagella
  done clear
  B)
   Doublets
  done clear
  C)
   Basal granules of cilia and flagella
  done clear
  D)
   Dynein arms
  done clear
  View Answer play_arrow

• question_answer123) This joint allows restricted movement in different planes.
  A)
   Arthrodia       
  done clear
  B)
   Enarthroses
  done clear
  C)
   Ginglymi        
  done clear
  D)
   Rotatoria
  done clear
  View Answer play_arrow

• question_answer124) The source of intoxicating beverage called Sake is
  A)
   Sorghum vulgare
  done clear
  B)
   Arachis hypogea
  done clear
  C)
   Oryza sativa     
  done clear
  D)
   Mangifera indica
  done clear
  View Answer play_arrow

• question_answer125) In poultry birds, nasal and eye discharges with foul smell, acute respiratory problem and inflamed and swollen eyes are the symptoms of
  A)
   chronic respiratory disease
  done clear
  B)
   infectious coryza dfsease
  done clear
  C)
   brooder pneumonia disease
  done clear
  D)
   Marcks disease
  done clear
  View Answer play_arrow

• question_answer126) The hyposecretion of which hormones leads to loss of sodium and water through urine, low blood pressure and hypotension?
  A)
   Thyro trophic hormones
  done clear
  B)
   Hormones of adrenal cortex
  done clear
  C)
   Hormones of adrenal medulla
  done clear
  D)
   Luteotrophic hormones
  done clear
  View Answer play_arrow

• question_answer127) From among the following, identify the substrate required for the only oxidative reaction that occurs in the process of glycolysis.
  A)
   3-phosphogylceric acid
  done clear
  B)
   Glyceraldehyde-3-phosphate
  done clear
  C)
   Fructose-6-phosphate
  done clear
  D)
   Glucose-6-phosphate
  done clear
  View Answer play_arrow

• question_answer128) Fasciola hepatica is a digenetic parasite. Sheep and snail are two hosts. Snail is
  A)
   intermediate host
  done clear
  B)
   paratenic host
  done clear
  C)
   vector host      
  done clear
  D)
   reservoir host
  done clear
  View Answer play_arrow

• question_answer129) Seeds possess spongy aril in
  A)
   Eicchornia      
  done clear
  B)
   Potamogeton
  done clear
  C)
   Sagittaria       
  done clear
  D)
   Nymphaea
  done clear
  View Answer play_arrow

• question_answer130) What type of plant is formed when colchicine is used in the process of development of Raphanobrassica?
  A)
   Triploid        
  done clear
  B)
   Haploid
  done clear
  C)
   Autotetraploid  
  done clear
  D)
   Allotetraploid
  done clear
  View Answer play_arrow

• question_answer131) Which one of the following denotes the water potential of the mesophyll cell in wilted condition?
  A)
   Equal to the value of osmotic potential
  done clear
  B)
   Equal to the value of pressure potential
  done clear
  C)
   Greater than the value of its osmotic potential
  done clear
  D)
   Equal to zero
  done clear
  View Answer play_arrow

• question_answer132) Identify the hepatitis virus, which cannot survive independently and it requires another hepatitis virus for its multiplication.
  A)
   Hepatitis-A virus
  done clear
  B)
   Hepatitis-B virus
  done clear
  C)
   Hepatitis-C virus
  done clear
  D)
   Hepatitis-D virus
  done clear
  View Answer play_arrow

• question_answer133) The aerial, short and branched roots of an autotrophic plant that provide stability are known as
  A)
   lateral roots
  done clear
  B)
   haustoria
  done clear
  C)
   velamen roots
  done clear
  D)
   clinging roots
  done clear
  View Answer play_arrow

• question_answer134) The parthenospores of Rhizopus are
  A)
   uninucleate
  done clear
  B)
   binucleate
  done clear
  C)
   trinucleate
  done clear
  D)
   multinucleate
  done clear
  View Answer play_arrow

• question_answer135) The yielding of rice is increased by
  A)
   Azolla           
  done clear
  B)
   Nostoc
  done clear
  C)
   Anabaena       
  done clear
  D)
   Clostridium
  done clear
  View Answer play_arrow

• question_answer136) Thigmotaxis is not shown by
  A)
   Paramecium    
  done clear
  B)
   Amoeba
  done clear
  C)
   Ascaris         
  done clear
  D)
   Hydra
  done clear
  View Answer play_arrow

• question_answer137) Which is always present in photochemical smog?
  A)
   \[{{O}_{3}}\]
  done clear
  B)
   \[C{{O}_{2}}\]
  done clear
  C)
   \[S{{O}_{2}}\]
  done clear
  D)
   \[C{{H}_{4}}\]
  done clear
  View Answer play_arrow

• question_answer138) Which crop utilises solar energy most efficiently?
  A)
   Potato          
  done clear
  B)
   Sugarcane
  done clear
  C)
   Wheat          
  done clear
  D)
   Rice
  done clear
  View Answer play_arrow

• question_answer139) The process after glycolysis in anaerobic respiration is known as
  A)
   fermentation
  done clear
  B)
   respiration
  done clear
  C)
   Krebs cycle
  done clear
  D)
   decomposition
  done clear
  View Answer play_arrow

• question_answer140) In Funaria, stomata are present on the
  A)
   stem           
  done clear
  B)
   leaves
  done clear
  C)
   capsule         
  done clear
  D)
   apophysis
  done clear
  View Answer play_arrow

• question_answer141) Wilting of plant is due to
  A)
   blockage of phloem
  done clear
  B)
   blockage of xylem
  done clear
  C)
   when some roots and phloem are removed
  done clear
  D)
   tracheid is blocked
  done clear
  View Answer play_arrow

• question_answer142) Among the following, colonial insects are
  A)
   locusts         
  done clear
  B)
   mosquitoes
  done clear
  C)
   white ants      
  done clear
  D)
   bed bug
  done clear
  View Answer play_arrow

• question_answer143) Duramen is present in
  A)
   inner region of secondary wood
  done clear
  B)
   part of sap wood
  done clear
  C)
   outer region of secondary wood
  done clear
  D)
   region of pericycle
  done clear
  View Answer play_arrow

• question_answer144) The following process is used to get desired breed of plants.
  A)
   Tissue culture
  done clear
  B)
   Genetic engineering
  done clear
  C)
   Inbreeding
  done clear
  D)
   Ikebana
  done clear
  View Answer play_arrow

• question_answer145) Which enzyme converts glucose into alcohol?
  A)
   Zymase        
  done clear
  B)
   Diastase
  done clear
  C)
   Invertase       
  done clear
  D)
   Lipase
  done clear
  View Answer play_arrow

• question_answer146) Calyptra is derived from
  A)
   archegonia      
  done clear
  B)
   capsule
  done clear
  C)
   antheridia       
  done clear
  D)
   columella
  done clear
  View Answer play_arrow

• question_answer147) The embryo at 16-celled stage is known as
  A)
   morula         
  done clear
  B)
   gastrula
  done clear
  C)
   blastula         
  done clear
  D)
   blastomere
  done clear
  View Answer play_arrow

• question_answer148) Medicine for curing respiratory problems is obtained from
  A)
   Ephedra         
  done clear
  B)
   Calotropis
  done clear
  C)
   Eucalyptus       
  done clear
  D)
   Cannabis
  done clear
  View Answer play_arrow

• question_answer149) For production of haploids, we culture
  A)
   shoot tip        
  done clear
  B)
   anther
  done clear
  C)
   root tip         
  done clear
  D)
   None of these
  done clear
  View Answer play_arrow

• question_answer150) Most nutritious among the following is
  A)
   wheat 
  done clear
  B)
   maize
  done clear
  C)
   bajra
  done clear
  D)
   rice
  done clear
  View Answer play_arrow