Solved papers for EAMCET Medical EAMCET Medical Solved Paper-2003

done EAMCET Medical Solved Paper-2003 Total Questions - 160

• question_answer1) A body of mass m is tied to one end of a spring and whirled round in a horizontal plane with a constant angular velocity. The elongation in the spring is 1cm. If the angular velocity is doubled, the elongation in the string is 5 cm. The original length of the spring is:
  A)
   16 cm                                  
  done clear
  B)
   15 cm
  done clear
  C)
   14 cm                                  
  done clear
  D)
   13 cm
  done clear
  View Answer play_arrow

• question_answer2) The time period of a particle in simple harmonic motion is 8 second. At t = 0 it is at the mean position. The ratio of the distances travelled by it in the first and second seconds is:
  A)
   \[\frac{1}{2}\]                                  
  done clear
  B)
   \[\frac{1}{\sqrt{2}}\]
  done clear
  C)
   \[\frac{1}{\sqrt{2}-1}\]                                
  done clear
  D)
   \[\frac{1}{\sqrt{3}}\]
  done clear
  View Answer play_arrow

• question_answer3) Consider the statements A and B. Identify the correct answers given below:

  A: If the volume of a body remains unchanged, when subjected to tensile strain, the value of Poissons ratio is \[\frac{1}{2}\]

  B: Phosphor bronze has low Youngs modulus and high rigidity modulus.

  A)
   A and B are correct
  done clear
  B)
   A and B are wrong
  done clear
  C)
   A is correct and B is wrong
  done clear
  D)
   A is wrong and B is correct
  done clear
  View Answer play_arrow

• question_answer4) Water rises to a height of 10 cm in a capillary tube and mercury falls to a depth of 3.5 cm in the same capillary tube. If the density of mercury is 13.6 g/cc and its angle of contact is \[135{}^\circ \] and density of water is 1 g/cc and its angle of contact is \[0{}^\circ \], then the ratio of surface tensions of the two liquids is: \[\left( \text{cos }135{}^\circ =0.7 \right)\]
  A)
   1 : 14                                    
  done clear
  B)
   5 : 34
  done clear
  C)
   1 : 5                                      
  done clear
  D)
   5 : 25
  done clear
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• question_answer5) A square plate of 0.1 m side moves parallel to a second plate with a velocity of 0.1 m/s, both plates being immersed in water. If the viscous force is 0.002 N and the coefficient of viscosity is 0.01 Poise, distance between the plates in metre is:
  A)
   0.1                                        
  done clear
  B)
   0.05
  done clear
  C)
   0.005                                   
  done clear
  D)
   0.0005
  done clear
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• question_answer6) A bird of mass 1.23 kg is able to hover by imparting a downward velocity of 10 m/s uniformly to air of density  \[\rho kg/{{m}^{3}}\]over an effective area \[0.1{{m}^{2}}\]If the acceleration due to gravity is \[10.m/{{s}^{2}},\]then the magnitude of \[\rho \]is in \[kg/{{m}^{3}}\]:
  A)
   0.0123                                 
  done clear
  B)
   0.123
  done clear
  C)
   1.23                                      
  done clear
  D)
   1.32
  done clear
  View Answer play_arrow

• question_answer7) A thin brass sheet at \[10{}^\circ C\] and a thin steel sheet at \[20{}^\circ C\] have the same surface area. The common temperature at which both would have the same area is: (Coefficients of linear expansion for brass and steel are respectively \[19\times {{10}^{-6}}/{}^\circ C\]and\[11\times {{10}^{-6}}/\text{ }{}^\circ C\])
  A)
  \[-3.75{}^\circ C\]                           
  done clear
  B)
  \[-2.75{}^\circ C\]    
  done clear
  C)
  \[2.75{}^\circ C\]
  done clear
  D)
  \[3.75{}^\circ C\]
  done clear
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• question_answer8) If the pressure of an ideal gas contained in a closed vessel is increased by 0.5%, the increase in temperature is \[2{}^\circ C\]. The initial temperature of the gas is:
  A)
  \[27{}^\circ C\]                                 
  done clear
  B)
  \[127{}^\circ C\]
  done clear
  C)
   \[300{}^\circ C\]
  done clear
  D)
  \[400{}^\circ C\]
  done clear
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• question_answer9) During an adiabatic process, the pressure of a gas is proportional to the cube of its absolute temperature. The value of \[{{C}_{p}}/{{C}_{V}}\]for the gas is:
  A)
  3/5                                        
  done clear
  B)
  4/3
  done clear
  C)
  5/3                                        
  done clear
  D)
  3/2
  done clear
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• question_answer10) A particular star (assuming it as a black body) has a surface temperature of about \[5\times {{10}^{4}}K\]The wavelength in nanometre at which its radiation becomes maximum is: (b = 0.0029 mK)
  A)
   48                                         
  done clear
  B)
   58
  done clear
  C)
   60                                         
  done clear
  D)
   70
  done clear
  View Answer play_arrow

• question_answer11) Two uniform wires are vibrating simultaneously in their fundamental mode; The tension, lengths, diameters and the densities of the two wires are in the ratio, 8 : 1, 36 : 35,4 : 1 and 1 : 2 respectively. If the note of the higher pitch has a frequency 360 Hz, the number of beats produced per second is:
  A)
   5                                            
  done clear
  B)
   10
  done clear
  C)
   15                                         
  done clear
  D)
   20
  done clear
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• question_answer12) A radar sends a radio signal of frequency \[9\times {{10}^{9}}Hz,\] towards an aircraft approaching the radar. If the reflected wave shows a frequency shift of \[3\times {{10}^{8}}Hz.\] the speed with which the aircraft is approaching the radar, in m/s: (Velocity of the radio signal is\[3\times {{10}^{8}}m{{s}^{-1}}\])
  A)
   150                                       
  done clear
  B)
   100
  done clear
  C)
   50                                         
  done clear
  D)
   20
  done clear
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• question_answer13) In foucaults rotating mirror experiment to determine the velocity of light in air, the distance of the rotating mirror from the concave mirror is 6000 m. The reflected ray is displaced through an angle of \[48\pi \times {{10}^{-3}}\]rad. If the velocity of light in air is \[3\times {{10}^{8}}ms,\] the number of rotations made by the rotating mirror in 1 min, are:
  A)
   3,000                                   
  done clear
  B)
   9,000   
  done clear
  C)
   18,000                                 
  done clear
  D)
   36,000
  done clear
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• question_answer14) One of the refracting surface of a prism, of refractive index \[\sqrt{2}\] is silvered. The angle of the prism is equal to the critical angle of a medium of refractive index 2. A ray of light incident on the unsilvered surface passes through the prism and retraces its path after reflection at the silvered face. Then, the angle of incidence on the  unsilvered surface is:
  A)
  \[0{}^\circ \]                                      
  done clear
  B)
  \[30{}^\circ \]
  done clear
  C)
  \[45{}^\circ \]                                   
  done clear
  D)
  \[60{}^\circ \]
  done clear
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• question_answer15) Consider the following statements A and B. Identify the correct answers:

  A: Polarized light can be used to study the helical structure of nucleic acids.

  B: Optic axis is a direction and not any particular line in the crystal.

  A)
   A and B are correct
  done clear
  B)
   A and B are wrong
  done clear
  C)
   A is correct and B is wrong
  done clear
  D)
   A is wrong and B is correct
  done clear
  View Answer play_arrow

• question_answer16) The period of oscillation of a magnet at a place is 4 second. When it is remagnetised. So that the pole strength becomes 4 times the initial value, the period of oscillation in second is:
  A)
   1/2                                       
  done clear
  B)
   1
  done clear
  C)
   2                                            
  done clear
  D)
   4
  done clear
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• question_answer17) Two short bar magnets of magnetic moments M each are arranged at the opposite corners of a square of side d, such that their centres coincide with the corners and their axes are parallel. If the like poles are in the same direction, the magnetic induction at any of the other corners of the square is:
  A)
   \[\frac{{{\mu }_{0}}}{4\pi }\frac{M}{{{d}^{3}}}\]                                              
  done clear
  B)
   \[\frac{{{\mu }_{0}}}{4\pi }\frac{2M}{{{d}^{3}}}\]
  done clear
  C)
   \[\frac{{{\mu }_{0}}}{4\pi }\frac{3M}{{{d}^{3}}}\]                            
  done clear
  D)
   zero
  done clear
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• question_answer18) Between the plates of parallel plate capacitor of capacity C, two parallel plate of the same material and area same as the plate of the original capacitor, are placed. If the thickness of these plates is equal to 1/5th of the distance between the plates of the original capacitor, then the capacity of the new capacitor is:
  A)
   \[\frac{5}{3}C\]                               
  done clear
  B)
   \[\frac{3}{5}C\]
  done clear
  C)
   \[\frac{3C}{10}\]                             
  done clear
  D)
   \[\frac{10C}{3}\]
  done clear
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• question_answer19) A charged sphere of diameter 4 cm has a charge density of 10-4 coulomb/cm2. The work done in joule, when a charge of 40 nano-coulomb is moved from infinity to a point, which is at a distance of 2 cm from the surface of the sphere is:
  A)
  \[14.4\pi \]                                         
  done clear
  B)
  \[28.8\pi \]
  done clear
  C)
  \[144\pi \]                                          
  done clear
  D)
   \[288\pi \]
  done clear
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• question_answer20) In a potentiometer experiment, the balancing length with a cell is 560 cm. When an external resistance of 10 \[\Omega \] is connected in parallel to the cell, the balancing length changes by 60 cm. The internal resistance of the cell in \[\Omega \] is:
  A)
   3.6                                        
  done clear
  B)
   2.4
  done clear
  C)
    1.1                                       
  done clear
  D)
   0.6
  done clear
  View Answer play_arrow

• question_answer21) The dimensional equation for magnetic flux is:
  A)
  \[[M{{L}^{2}}{{T}^{2}}{{I}^{-1}}]\]                            
  done clear
  B)
   \[[M{{L}^{2}}{{T}^{2}}{{I}^{-2}}]\]
  done clear
  C)
  \[[M{{L}^{-2}}{{T}^{-2}}{{I}^{-1}}]\]                        
  done clear
  D)
   \[[M{{L}^{-2}}{{T}^{-2}}{{I}^{-2}}]\]
  done clear
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• question_answer22) A stationary body of mass 3 kg explodes into three equal pieces. Two of the pieces fly off at right angles to each other, one with a velocity 2\[\widehat{i}\] m/s and the other with a velocity 3\[\widehat{j}\] m/s. If the explosion takes place in \[{{10}^{-5}}s,\] the average force acting on the third piece in newton is......
  A)
  \[(2\hat{i}+3\hat{j})\times {{10}^{-5}}\]               
  done clear
  B)
  \[-(2\hat{i}+3\hat{j})\times {{10}^{5}}\]
  done clear
  C)
  \[(3\hat{i}-2\hat{j})\times {{10}^{5}}\]
  done clear
  D)
  \[(2\hat{i}-3\hat{j})\times {{10}^{5}}\]
  done clear
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• question_answer23) Consider the following statements A and B. Identify the correct choice in the given answers:

  A: In a one-dimensional perfectly elastic collision between two moving bodies of equal masses the bodies merely exchange their velocities after collision.

  B: If a lighter body at rest suffers perfectly elastic collision with a very heavy body moving with a certain velocity after collision both travel with same velocity.

  A)
   A and B are correct
  done clear
  B)
   both A and B are wrong
  done clear
  C)
   A is correct, B is wrong
  done clear
  D)
   A is wrong, B is correct
  done clear
  View Answer play_arrow

• question_answer24) Two stones are projected with the same speed but making different angles with the horizontal. Their horizontal ranges are equal. The angle of projection of one is \[\pi /3\] and the maximum height reached by it is 102 m. Then the maximum height reached by the other in m is:
  A)
   336                                       
  done clear
  B)
   224
  done clear
  C)
   56                                         
  done clear
  D)
   34
  done clear
  View Answer play_arrow

• question_answer25) A body of mass m has a kinetic energy equal to one-fourth kinetic energy of another body of mass \[\frac{m}{4}\]. If the speed of the heavier body is increased by 4 m/s. Its new kinetic energy equals to the original kinetic energy of the lighter body. The original speed of the heavier body in m/s is:
  A)
   8                                            
  done clear
  B)
   6
  done clear
  C)
   4                                            
  done clear
  D)
   2
  done clear
  View Answer play_arrow

• question_answer26) One end of a thin uniform rod of length L and mass M1 is rivetted to the centre of a uniform circular disc of radius r and mass M2, so that both are coplanar. The centre of mass of the combination from the centre of the disc is: (Assume that the point of attachment is at the origin)
  A)
   \[\frac{L({{M}_{1}}+{{M}_{2}})}{2{{M}_{1}}}\]                  
  done clear
  B)
   \[\frac{L{{M}_{1}}}{2({{M}_{1}}+{{M}_{2}})}\]
  done clear
  C)
   \[\frac{2({{M}_{1}}+{{M}_{2}})}{L{{M}_{1}}}\]                  
  done clear
  D)
   \[\frac{2L{{M}_{1}}}{({{M}_{1}}+{{M}_{2}})}\]
  done clear
  View Answer play_arrow

• question_answer27) A horizontal force, just sufficient to move a body of mass 4 kg lying on a rough horizontal surface, is applied on it. The coefficients of static and kinetic friction between the body and the surface are 0.8 and 0.6 respectively. If the force continues to act even after the block has started moving, the acceleration of the block in \[\text{(}g=10\text{ }m/{{s}^{2}}\text{) }m/{{s}^{2}}:\]
  A)
   \[\frac{1}{4}\]                                  
  done clear
  B)
   \[\frac{1}{2}\]
  done clear
  C)
   2                                            
  done clear
  D)
   4
  done clear
  View Answer play_arrow

• question_answer28) Two circular loops A and B or radii rA and rB respectively are made from a uniform wire. The ratio of their moments of inertia about axes passing through their centres and perpendicular to their planes is \[\frac{{{I}_{B}}}{{{I}_{A}}}=8,\] then \[\left( \frac{{{r}_{B}}}{{{r}_{A}}} \right)\] equal to:
  A)
   2                                            
  done clear
  B)
   4
  done clear
  C)
   6                                            
  done clear
  D)
   8
  done clear
  View Answer play_arrow

• question_answer29) A particle performs uniform circular motion with an angular momentum L. If the angular frequency of. the particle is doubled, and kinetic energy is halved, its angular momentum becomes:
  A)
   4L                                          
  done clear
  B)
   2L
  done clear
  C)
   \[\frac{L}{2}\]                                  
  done clear
  D)
   \[\frac{L}{4}\]
  done clear
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• question_answer30) The radius in kilometre, to which the present -ad ins of the earth (R =6400 km) is to be compressed, so that the escape velocity is increased to ten times, is:
  A)
   6.4                                        
  done clear
  B)
   64
  done clear
  C)
   640                                       
  done clear
  D)
   4800
  done clear
  View Answer play_arrow

• question_answer31) Two cells with a same emf E and different internal resitances \[{{r}_{1}}\text{ }and\text{ }{{r}_{2}}\] are connected in series to an external resistance R. The value of R, so that the potential difference across the first cell be, zero is:
  A)
   \[\sqrt{{{r}_{1}}{{r}_{2}}}\]                                        
  done clear
  B)
   \[{{r}_{1}}+{{r}_{2}}\]
  done clear
  C)
   \[{{r}_{1}}-{{r}_{2}}\]                                    
  done clear
  D)
   \[\frac{{{r}_{1}}+{{r}_{2}}}{2}\]  
  done clear
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• question_answer32) The thermo emf produced in a thermocouple is \[3\text{ }\mu \,V/{}^\circ C\]. If the temperature of the cold junction is \[20{}^\circ C\] and the thermo emf is 0.3 mV, the temperature of the hot junction is:
  A)
  \[80{}^\circ C\]
  done clear
  B)
  \[100{}^\circ C\]
  done clear
  C)
  \[120{}^\circ C\]
  done clear
  D)
  \[140{}^\circ C\]
  done clear
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• question_answer33) The scale of a galvanometer of resistance 100\[\Omega \] contains 25 divisions. It gives a deflection of one division on passing a current of \[4\times {{10}^{-4}}.\] The resistance in ohm to be added to it, so that it may become a voltmeter of range 2.5 volt is:
  A)
   100                                       
  done clear
  B)
   150
  done clear
  C)
   250                                       
  done clear
  D)
   300
  done clear
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• question_answer34) Two coils have self-inductance\[{{L}_{1}}=4\,mH\]and \[{{L}_{2}}=I\,mH\]respectively. The currents in the two coils are increased at the same rate. At a certain instant of time both coils are given the same power. If \[{{I}_{1}}\] and \[{{I}_{2}}\] are the current in the two coils, at that instant of time respectively, then the value of \[({{I}_{1}}/{{I}_{2}})\] is:
  A)
   1/8                                       
  done clear
  B)
   ¼
  done clear
  C)
    1/2                                      
  done clear
  D)
   1
  done clear
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• question_answer35) The electric current in a circular coil of two turns produced a magnetic induction of 0.2T at its centre. The coil is unwound and is rewound into a circular coil of four turns. The magnetic induction at the centre of the coil now is, in tesla, (if same current flows in the coil):
  A)
   0.2                                        
  done clear
  B)
   0.4
  done clear
  C)
    0.6                                       
  done clear
  D)
   0.8
  done clear
  View Answer play_arrow

• question_answer36) Two ions having equal masses, but charges in the ratio 1:2 are projected perpendicular to a uniform magnetic field with speeds in the ratio 2:3. The ratio of the radii of the circular paths along which the two ions move is:
  A)
   4 : 3                                      
  done clear
  B)
   2 : 3
  done clear
  C)
   3 : 2                                      
  done clear
  D)
   1 : 4
  done clear
  View Answer play_arrow

• question_answer37) An X- ray tube is operated at a constant potential difference and it is required to get X-ray of wavelength, not less than 0.2 nanometre. Then, the potential difference in kV is: \[(h=6.63\times {{10}^{-34}}J-s,\]\[e=1.6\times {{10}^{-19}}C,\]\[c=3\times {{10}^{8}}m/s)\]
  A)
   24.8                                      
  done clear
  B)
   12.4
  done clear
  C)
    6.2                                       
  done clear
  D)
   3.1
  done clear
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• question_answer38) The de-Broglie wavelength of a particle moving with a velocity \[2.25\times {{10}^{8}}m/s\]is equal to the wavelength of a photon. The ratio of kinetic energy of the particle to the energy of the photon is: (Velocity of light is\[3\times {{10}^{8}}m/s\])
  A)
   \[\frac{1}{8}\]                                  
  done clear
  B)
   \[\frac{3}{8}\]
  done clear
  C)
    \[\frac{5}{8}\]                                 
  done clear
  D)
   \[\frac{7}{8}\]
  done clear
  View Answer play_arrow

• question_answer39) A nucleus splits into two nuclear parts having radii in the ratio 1 : 2. Their velocities are in the ratio:
  A)
   8 : 1                                      
  done clear
  B)
   6 : 1
  done clear
  C)
   4 : 1                                      
  done clear
  D)
    2 : 1
  done clear
  View Answer play_arrow

• question_answer40) Consider the following statements A and B. Identify the correct answers:

  A: A zener diode is always connected in reverse bias.

  B: The potential barrier of a p-n junction lies between 0.1 to 0.3 V, approximately.

  A)
   A and B correct
  done clear
  B)
   A and B are wrong
  done clear
  C)
   A is correct but B is wrong
  done clear
  D)
   A is wrong but B is correct
  done clear
  View Answer play_arrow

• question_answer41) Wurtz reaction of methyl iodide yields an organic compound X. Which one of the following reactions also yield X?
  A)
  \[{{C}_{2}}{{H}_{5}}Cl+Mg\xrightarrow{\text{dry}\,\text{ether}}\]
  done clear
  B)
  \[{{C}_{2}}{{H}_{5}}Cl+LiAl{{H}_{4}}\xrightarrow{{}}\]
  done clear
  C)
   \[{{C}_{2}}{{H}_{5}}Cl+{{C}_{2}}{{H}_{5}}ONa\xrightarrow{{}}\]
  done clear
  D)
   \[CHC{{l}_{3}}\xrightarrow{\text{Ag }\,\text{powder}}\]
  done clear
  View Answer play_arrow

• question_answer42) What is the number of free electrons present on each carbon atom in graphite?
  A)
   Zero                                     
  done clear
  B)
   3
  done clear
  C)
   2                                            
  done clear
  D)
   1
  done clear
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• question_answer43) The atomic number  and mass number (M) of the nucleide formed when three alpha \[(\alpha )\] and two beta \[(\beta )\] particles are emitted from \[{{\,}_{\text{92}}}{{\text{U}}^{\text{238}}}\text{.}\]
  A)
   \[A=87,M=233\]             
  done clear
  B)
   \[A=86,M=226\]
  done clear
  C)
    \[A=88,M=235\]            
  done clear
  D)
   \[A=88,M=226\]
  done clear
  View Answer play_arrow

• question_answer44) Which one of the following reagents will reduce diethyl ether to ethane and ethanol?
  A)
   Na/liquid \[\text{N}{{\text{H}}_{\text{3}}}\]
  done clear
  B)
   Cold HI
  done clear
  C)
    \[{{H}_{2}}S{{O}_{4}}/\]high pressure
  done clear
  D)
   \[A{{l}_{2}}{{O}_{3}}\]heat
  done clear
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• question_answer45) Which one of the following expressions represent the electron probability function ?
  A)
   \[4\,\pi \,r\,dr\,{{\psi }^{2}}\]                   
  done clear
  B)
   \[4\,\pi \,{{r}^{2}}\,dr\,\psi \]
  done clear
  C)
   \[4\,\pi \,{{r}^{2}}\,dr\,{{\psi }^{2}}\]                    
  done clear
  D)
   \[4\,\pi \,r\,dr\,\psi \]
  done clear
  View Answer play_arrow

• question_answer46) The noble gas used in atomic reactors is:
  A)
   krypton              
  done clear
  B)
   oxygen
  done clear
  C)
   neon                                   
  done clear
  D)
   helium
  done clear
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• question_answer47) An alkaline solution of...... and citrate ions is called:
  A)
   silver nitrate, Fehlings solution
  done clear
  B)
   cupric sulphate, Schiffs reagent
  done clear
  C)
   silver chloride, Tollens reagent
  done clear
  D)
   cupric sulphate, Benedicts solution
  done clear
  View Answer play_arrow

• question_answer48) In acidic medium, dichromate ion oxidises ferrous ion to ferric ion. If the gram molecular weight of potassium dichromate is 294 g, its gram equivalent weight is ...... g.
  A)
   294                                       
  done clear
  B)
   147            
  done clear
  C)
   49                                         
  done clear
  D)
   24.5           
  done clear
  View Answer play_arrow

• question_answer49) \[\text{O}_{2}^{2-}\]is the symbol of...... ion.
  A)
   oxide                                   
  done clear
  B)
   super oxide
  done clear
  C)
   peroxide            
  done clear
  D)
   monoxide       
  done clear
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• question_answer50) Which one of the following compounds forms a red coloured solution on treatment  with neutral \[\text{FeC}{{\text{l}}_{\text{3}}}\]solution ?
  A)
   \[C{{H}_{3}}COC{{H}_{3}}\]       
  done clear
  B)
   \[C{{H}_{3}}OC{{H}_{3}}\]
  done clear
  C)
   \[C{{H}_{3}}C{{H}_{2}}OH\]       
  done clear
  D)
   \[C{{H}_{3}}COOH\]
  done clear
  View Answer play_arrow

• question_answer51) The kinetic energy of 4 moles of nitrogen gas at \[\text{127}{{\,}^{\text{o}}}\text{C}\] is ...... cals. \[\text{(R= 2 cal mo}{{\text{l}}^{-1}}{{\text{K}}^{-1}}\text{)}\]
  A)
   4400                                     
  done clear
  B)
   3200
  done clear
  C)
   4800                                     
  done clear
  D)
   1524
  done clear
  View Answer play_arrow

• question_answer52) The total number of electrons present in all the s orbitals, all the  p orbitals and all the  d orbitals of cesium ion are respectively :
  A)
   8, 26, 10              
  done clear
  B)
  10, 24, 20
  done clear
  C)
   8, 22, 24              
  done clear
  D)
   12, 20, 22
  done clear
  View Answer play_arrow

• question_answer53) In the series of reactions: \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow[0.5\,{{\,}^{o}}C]{NaN{{O}_{2}}/HCl}X\xrightarrow[C{{H}_{2}}]{HN{{O}_{2}}}Y+{{N}_{2}}+HCl\]X and Y are, respectively:
  A)
   \[{{C}_{6}}{{H}_{5}}-N=N-{{C}_{6}}{{H}_{5}},{{C}_{6}}{{H}_{5}}N_{2}^{\oplus }C{{l}^{-}}\]
  done clear
  B)
   \[{{C}_{6}}{{H}_{5}}N_{2}^{\oplus }C{{l}^{-}},{{C}_{6}}{{H}_{5}}-N=N-{{C}_{6}}{{H}_{5}}\]
  done clear
  C)
   \[{{C}_{6}}{{H}_{5}}N_{2}^{\oplus }C{{l}^{-}},{{C}_{6}}{{H}_{5}}N{{O}_{2}}\]
  done clear
  D)
   \[{{C}_{6}}{{H}_{5}}N{{O}_{2}},{{C}_{6}}{{H}_{6}}\]
  done clear
  View Answer play_arrow

• question_answer54) In a balanced equation: \[{{H}_{2}}S{{O}_{4}}+xHI\xrightarrow{{}}{{H}_{2}}s+y{{l}_{2}}+z{{H}_{2}}O\]the values of \[x,\text{ }y,\text{ }z\] are
  A)
   \[x=3,\,y=5,\,z=2\]        
  done clear
  B)
   \[x=4,\,y=8,\,z=5\]
  done clear
  C)
    \[x=8,\,y=4,\,z=4\]       
  done clear
  D)
   \[x=5,\,y=3,\,z=4\]
  done clear
  View Answer play_arrow

• question_answer55) In the Castner process for the extraction of sodium, the anode is made of...... metal.
  A)
   copper                
  done clear
  B)
   iron
  done clear
  C)
   sodium               
  done clear
  D)
   nickel
  done clear
  View Answer play_arrow

• question_answer56) The protein part of the haemoglobin converts \[\text{C}{{\text{O}}_{\text{2}}}\] of the tissues into :
  A)
   \[HCO_{3}^{-}\]and \[{{H}^{\oplus }}\]
  done clear
  B)
   \[{{O}_{2}}\]and C
  done clear
  C)
   \[{{O}_{2}}\]and CO                      
  done clear
  D)
   \[HCO_{3}^{-}\]and \[F{{e}^{2+}}\]
  done clear
  View Answer play_arrow

• question_answer57) In the reaction\[PC{{l}_{5}}(g)\rightleftharpoons PC{{l}_{3}}(g)+C{{l}_{2}}(g).\]the equilibrium concentrations of \[\text{PC}{{\text{l}}_{\text{5}}}\]and \[\text{PC}{{\text{l}}_{\text{3}}}\]are 0.4 and 0.2 mol/L respectively. If the value of \[{{\text{K}}_{c}}\]is 0.5, what is the concentration of \[\text{C}{{\text{l}}_{\text{2}}}\]in mol/L?
  A)
   2.0                                        
  done clear
  B)
   1.5
  done clear
  C)
   1.0                                        
  done clear
  D)
   0.5
  done clear
  View Answer play_arrow

• question_answer58) Which one of the following is used for reviving the exhausted permutit?
  A)
   \[\text{HCl}\] solution
  done clear
  B)
   \[\text{10 }\!\!%\!\!\text{ }\,\,\text{CaC}{{\text{l}}_{\text{2}}}\]solution
  done clear
  C)
   \[\text{10 }\!\!%\!\!\text{ }\,\text{MgC}{{\text{l}}_{\text{2}}}\]solution
  done clear
  D)
   \[\text{10 }\!\!%\!\!\text{  NaCl}\] solution
  done clear
  View Answer play_arrow

• question_answer59) Ethylene is converted to X on passing through a mixture of an acidified aqueous solution of palladium chloride and cupric chloride. Which of the following reagents readily take part in addition reaction with X?
  A)
   \[\text{B}{{\text{r}}_{\text{2}}}\]                                          
  done clear
  B)
   \[HBr\]
  done clear
  C)
   \[HCl\]                                
  done clear
  D)
   \[HCN\]
  done clear
  View Answer play_arrow

• question_answer60) Which one of the following is a planar molecule?
  A)
   \[N{{H}_{3}}\]                                 
  done clear
  B)
   \[{{H}_{3}}{{O}^{+}}\]
  done clear
  C)
    \[BC{{l}_{3}}\]                                
  done clear
  D)
   \[PC{{l}_{3}}\]
  done clear
  View Answer play_arrow

• question_answer61) 3.65 g of HCI is dissolved in 16.2 g of water. The mole fraction of HCI in the resulting solution is:
  A)
   0.4                                        
  done clear
  B)
   0.3
  done clear
  C)
   0.2                                        
  done clear
  D)
   0.1
  done clear
  View Answer play_arrow

• question_answer62) What is the reagent used for testing Huoride ion in water?
  A)
   Alizarin-S           
  done clear
  B)
   Quinalizarin
  done clear
  C)
   Phenolphthalein            
  done clear
  D)
   Benzene
  done clear
  View Answer play_arrow

• question_answer63) Ethyl orthoformate is formed by heating ...... with sodium ethoxide.
  A)
   \[CHCl{{3}_{{}}}\]           
  done clear
  B)
   \[{{C}_{2}}{{H}_{5}}OH\]
  done clear
  C)
   \[HCOOH\]      
  done clear
  D)
   \[C{{H}_{3}}CHO\]
  done clear
  View Answer play_arrow

• question_answer64) The rate constant of a reaction at temperature 200 K is 10 times less than the rate constant at 400 K. What is the activation energy \[{{E}_{a}}\] of the reaction? (R = Gas constant)
  A)
   1842.4 R             
  done clear
  B)
   921.27 R
  done clear
  C)
   460.6 R                
  done clear
  D)
   230.3 R
  done clear
  View Answer play_arrow

• question_answer65) For a chemical reaction ...... can never be a fractional number:
  A)
   order                   
  done clear
  B)
   half-life
  done clear
  C)
   molecularity                     
  done clear
  D)
   rate constant
  done clear
  View Answer play_arrow

• question_answer66) Canned heat" is prepared by mixing ...... and......... at high pressure.
  A)
   \[{{C}_{2}}{{H}_{5}}OH,HI/red\,P\]
  done clear
  B)
   \[{{C}_{2}}{{H}_{2}},{{O}_{2}}\]
  done clear
  C)
    \[{{C}_{2}}{{H}_{5}}OH,Ca{{(OH)}_{2}}\]
  done clear
  D)
   \[{{C}_{3}}{{H}_{6}}O,CaOC{{l}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer67) The percentage of copper, tin and zinc metals present in gun metal respectively are
  A)
   88,2,10                
  done clear
  B)
   88,10,2
  done clear
  C)
   80, 20, zero      
  done clear
  D)
   80, zero, 20
  done clear
  View Answer play_arrow

• question_answer68) Which one of the following is a correct set with respect to molecule, hybridization and shape?
  A)
   \[BeC{{l}_{2}},s{{p}^{2}},\]linear
  done clear
  B)
   \[BeC{{l}_{2}},\text{ }s{{p}^{2}},\]triangular planar
  done clear
  C)
   \[BC{{l}_{3}},\text{ }s{{p}^{2}},\]triangular planar
  done clear
  D)
   B \[BC{{l}_{3}},s{{p}^{3}},\] tetrahedral
  done clear
  View Answer play_arrow

• question_answer69) Colloidal solutions of gold prepared by different methods are of different colours because of:
  A)
   variable valency of gold
  done clear
  B)
   different concentration of gold particles
  done clear
  C)
   impurities produced by different methods
  done clear
  D)
   different diameters of colloidal gold particles
  done clear
  View Answer play_arrow

• question_answer70) In the reaction : \[{{B}_{2}}{{H}_{6}}+2KOH+2X\to 2Y+6{{H}_{2}}\]X and Y are respectively:
  A)
   \[{{H}_{2}},{{H}_{3}}B{{O}_{3}}\]            
  done clear
  B)
    \[HCl,\text{ }KB{{O}_{3}}\]
  done clear
  C)
   \[{{H}_{2}}O,KB{{O}_{3}}\]        
  done clear
  D)
   \[{{H}_{2}}O,KB{{O}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer71) The atomic number of an element is 35. What is the total number of electrons present in all the p-orbitals of the ground state atom of that element?
  A)
   6                                            
  done clear
  B)
   11
  done clear
  C)
   17                                         
  done clear
  D)
   23
  done clear
  View Answer play_arrow

• question_answer72) If the standard electrode potential of \[\text{C}{{\text{u}}^{\text{2+}}}\text{/Cu}\]electrode is 0.34 V, what is the electrode potential at 0.01 M concentration of \[\text{C}{{\text{u}}^{2+}}\]? \[(T=298{{\,}^{o}}K)\]
  A)
   0.399 V               
  done clear
  B)
   0.28 IV
  done clear
  C)
   0.222V                                
  done clear
  D)
   0.176V
  done clear
  View Answer play_arrow

• question_answer73) Which one of the following compounds is prepared in the laboratory from benzene by a substitution reaction?
  A)
   Glyoxal
  done clear
  B)
   Cyclohexane
  done clear
  C)
   Acetophenone
  done clear
  D)
   Hexabromocyclohexane
  done clear
  View Answer play_arrow

• question_answer74) The atomicity of phosphorus island the PPP bond angle in the molecule is Y. What are X and Y
  A)
   \[X=4,Y={{90}^{o}}\]   
  done clear
  B)
   \[X=4,\text{ }Y={{60}^{o}}\]
  done clear
  C)
   \[X=3,\text{ }Y={{120}^{o}}\]
  done clear
  D)
   \[X=2,Y={{180}^{o}}\]
  done clear
  View Answer play_arrow

• question_answer75) The cell reaction of the galvanic cell: \[Cu(s)/C{{u}^{2+}}(aq)|\,|H{{g}^{2+}}(aq)|Hg(l)\]
  A)
   \[Hg+C{{u}^{2+}}\to H{{g}^{2+}}+Cu\]
  done clear
  B)
   \[Hg+C{{u}^{2+}}\to C{{u}^{+}}+H{{g}^{+}}\]
  done clear
  C)
   \[Cu+Hg\to CuHg\]
  done clear
  D)
   \[Cu+H{{g}^{2+}}\to C{{u}^{2+}}+Hg\]
  done clear
  View Answer play_arrow

• question_answer76) How many methyl groups are present in 2, 5-dimethyl-4-ethyl heptane?
  A)
   2                                            
  done clear
  B)
   3
  done clear
  C)
    4                                           
  done clear
  D)
   5
  done clear
  View Answer play_arrow

• question_answer77) For the preparation of sodium thiosulphate by Springs reaction the reactants used are:
  A)
   \[N{{a}_{2}}S+N{{a}_{2}}S{{O}_{3}}+C{{l}_{2}}\]
  done clear
  B)
   \[N{{a}_{2}}S+S{{O}_{2}}\]
  done clear
  C)
    \[N{{a}_{2}}S{{O}_{3}}+S\]
  done clear
  D)
   \[N{{a}_{2}}S+N{{a}_{2}}S{{O}_{3}}+{{I}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer78) The electron affinity values (in \[\text{kJ}\,\text{mo}{{\text{l}}^{-1}}\]) of three halogens X, Y and Z are respectively \[-\text{ }349,\text{ }-333\] and \[-325.\] Then X, Y and Z respectively are:
  A)
   \[{{F}_{2}},C{{l}_{2}}\]and \[B{{r}_{2}}\]              
  done clear
  B)
   \[C{{l}_{2}},{{F}_{2}}\]and \[B{{r}_{2}}\]
  done clear
  C)
   \[C{{l}_{2}},B{{r}_{2}}\]and \[{{F}_{2}}\]              
  done clear
  D)
   \[B{{r}_{2}},C{{l}_{2}}\]and \[{{F}_{2}}\]
  done clear
  View Answer play_arrow

• question_answer79) Which one of the following reagents is used for detection of unsaturation in alkenes?
  A)
   \[NaOH+CaO\]
  done clear
  B)
   Cold dilute alkaline \[KMn{{O}_{4}}\]
  done clear
  C)
   \[C{{l}_{2}}/hv\]
  done clear
  D)
   \[KOH/{{C}_{2}}{{H}_{5}}OH\]
  done clear
  View Answer play_arrow

• question_answer80) The chemical formula of zeolite is :
  A)
   \[{{K}_{2}}A{{l}_{2}}S{{i}_{2}}{{O}_{8}}.x{{H}_{2}}O\]
  done clear
  B)
   \[CaA{{l}_{2}}S{{i}_{2}}{{O}_{8}}\]
  done clear
  C)
   \[N{{a}_{2}}A{{l}_{2}}S{{i}_{2}}{{O}_{8}}.x{{H}_{2}}O\]
  done clear
  D)
   \[N{{a}_{2}}[N{{a}_{4}}{{(P{{O}_{3}})}_{6}}]\]
  done clear
  View Answer play_arrow

• question_answer81) Members of this phylum exhibit adaptations to widely varied environmental conditions:
  A)
   Porifera                              
  done clear
  B)
   Coelenterata
  done clear
  C)
    Echinoderinata               
  done clear
  D)
   Mollusca
  done clear
  View Answer play_arrow

• question_answer82) The animal that has 19 body segments, 6 pairs of appendages and respires through the trachea
  A)
   spider                                 
  done clear
  B)
   prawn
  done clear
  C)
   scorpion                             
  done clear
  D)
   head louse
  done clear
  View Answer play_arrow

• question_answer83) The formation of mesoderm as evaginated sacs from the arhenteron is characteristic of:
  A)
   Palamnaeus                     
  done clear
  B)
   Pila
  done clear
  C)
   Physalia                              
  done clear
  D)
   Pentaceros
  done clear
  View Answer play_arrow

• question_answer84) The response to external stimulus is quicker and more precise in this symmetry:
  A)
   radial                                   
  done clear
  B)
   bilateral
  done clear
  C)
   spherical                            
  done clear
  D)
   biradial
  done clear
  View Answer play_arrow

• question_answer85) The type of pseudopodia seen in Lecithium is:
  A)
   axopodia                           
  done clear
  B)
   reticulopodia
  done clear
  C)
   filopodia                            
  done clear
  D)
   lobopodia
  done clear
  View Answer play_arrow

• question_answer86) The number of divisions that the synkaryon of post zygotic Vorticella undergoes is:
  A)
   one                                      
  done clear
  B)
   two
  done clear
  C)
   three                                   
  done clear
  D)
   four
  done clear
  View Answer play_arrow

• question_answer87) Nosema notabilis is an example for:
  A)
   commensalism                
  done clear
  B)
   symbiosis
  done clear
  C)
   ectoparasitism                
  done clear
  D)
   hyperparasitism
  done clear
  View Answer play_arrow

• question_answer88) The trematode parasite infecting human lungs with two intermediate hosts in its life- cycle is:
  A)
   schistosoma haematobium
  done clear
  B)
   Paragonimus westermani
  done clear
  C)
   Loa loa
  done clear
  D)
   Mycobacterium tuberculosis
  done clear
  View Answer play_arrow

• question_answer89) Triatoma infestans is the intermediate host in the life- cycle of:
  A)
   Leishmania donovani   
  done clear
  B)
   Trypanosoma cruzi
  done clear
  C)
   Leishmania tropica
  done clear
  D)
   Schistosoma haematobium
  done clear
  View Answer play_arrow

• question_answer90) The infective stage of Ancyclostoma duodenale to human is:
  A)
   egg containing larva      
  done clear
  B)
   filariform larva
  done clear
  C)
   microfilaria larva                             
  done clear
  D)
   rhabditiform larva
  done clear
  View Answer play_arrow

• question_answer91) The infective stage to humans of the organism that causes Tashkent ulcers is:
  A)
   metacyclic form                                              
  done clear
  B)
   crithidial form
  done clear
  C)
   leptomon form
  done clear
  D)
   tetranucleate stage
  done clear
  View Answer play_arrow

• question_answer92) In Pheretima the glands that help in binding the worms during copulation are:
  A)
   Prostate glands               
  done clear
  B)
   Albumin glands
  done clear
  C)
   Accessory glands            
  done clear
  D)
   Mucous glands
  done clear
  View Answer play_arrow

• question_answer93) In Pheretima, the cells that are analogous to  hepatic cells of vertebrates are:
  A)
   asnoeboid cells               
  done clear
  B)
   chlorogogen cells
  done clear
  C)
   mucous cells                                    
  done clear
  D)
   circular cells
  done clear
  View Answer play_arrow

• question_answer94) In Pheretima the number of ring vessels per  segment in 12th and 13th segments is:
  A)
   10                                         
  done clear
  B)
    10 pairs
  done clear
  C)
   12 pairs                               
  done clear
  D)
   24 pairs
  done clear
  View Answer play_arrow

• question_answer95) Stink glands are present between these  abdominal segments in cockroach:
  A)
   4th and 5th                          
  done clear
  B)
   5th and 6th
  done clear
  C)
   6th and 7th                          
  done clear
  D)
   7th and 8th
  done clear
  View Answer play_arrow

• question_answer96) Abdominal ganglia in cockroach are found in segments:
  A)
   1, 2, 3, 4, 6 and 7             
  done clear
  B)
   1, 2, 3, 4, 5 and 6
  done clear
  C)
   3, 4, 5, 6, 7 and 8             
  done clear
  D)
   8, 9 and 10
  done clear
  View Answer play_arrow

• question_answer97) The herbivorous insect that has piercing and sucking type of mouth parts is:
  A)
   Cimex                                 
  done clear
  B)
   Culex
  done clear
  C)
   Apis                                     
  done clear
  D)
   Tachardia
  done clear
  View Answer play_arrow

• question_answer98) A temporary, ectoparasitic nocturnal insect with piercing and sucking type of mouth parts is:
  A)
   Pediculus                           
  done clear
  B)
   Cimex
  done clear
  C)
   Tachardia                           
  done clear
  D)
   Musca
  done clear
  View Answer play_arrow

• question_answer99) One of the human diseases due to bio magnification of heavy metals is:
  A)
   Minimata                           
  done clear
  B)
   Asthma
  done clear
  C)
   Tuberculosis                                     
  done clear
  D)
   Elephantiasis
  done clear
  View Answer play_arrow

• question_answer100) The ears of a mammal living in a cold area were smaller than the one living in a warm area. This is an example of:
  A)
   Bergmans rule                 
  done clear
  B)
   Jordans rule
  done clear
  C)
   Aliens rule                         
  done clear
  D)
   Glogers rule
  done clear
  View Answer play_arrow

• question_answer101) The growth rate of a population stabilizes after:
  A)
   logarithmic phase          
  done clear
  B)
   stationary phase
  done clear
  C)
   carrying capacity                             
  done clear
  D)
   Negative acceleration phase
  done clear
  View Answer play_arrow

• question_answer102) Identify from the following which can give a complementary and palindromic sequence:
  A)
   5ATATCC3                         
  done clear
  B)
   5CCGAAT3
  done clear
  C)
   5GAATTC3                         
  done clear
  D)
   3AGGTTC5
  done clear
  View Answer play_arrow

• question_answer103) Hemicyclaspis belongs to the class:
  A)
   Cyclostomata                                   
  done clear
  B)
   Ostracodermi
  done clear
  C)
   Gnathostornata              
  done clear
  D)
   Pisces
  done clear
  View Answer play_arrow

• question_answer104) The animal unique to the country where the members of Ophidia are absent is:
  A)
   Hatteria                              
  done clear
  B)
   Lepidosiren
  done clear
  C)
   Latimeria                           
  done clear
  D)
   Tylatotriton
  done clear
  View Answer play_arrow

• question_answer105) Submaxillary glands of rabbit pour their secretions through:
  A)
   Stensons duct
  done clear
  B)
   Ductus cholidocus
  done clear
  C)
    Whartons duct
  done clear
  D)
   Naso- palatine duct
  done clear
  View Answer play_arrow

• question_answer106) During oxygen transport the oxyhaemoglobin at the tissue level liberates oxygen to the cells due to:
  A)
   \[{{O}_{2}}\]concentration is high and \[C{{O}_{2}}\]is low
  done clear
  B)
   \[{{O}_{2}}\]concentration is low and \[C{{O}_{2}}\]is high
  done clear
  C)
   \[{{O}_{2}}\]tension is low and\[C{{O}_{2}}\]tension is high
  done clear
  D)
   \[{{O}_{2}}\]tension is high and\[C{{O}_{2}}\]tension is low
  done clear
  View Answer play_arrow

• question_answer107) In the heart of rabbit, the mitral valve is attached to the papillary muscles by:
  A)
   Chordae tendinae         
  done clear
  B)
   Purkinje fibres
  done clear
  C)
   Columnae carnease      
  done clear
  D)
   Bundle of His
  done clear
  View Answer play_arrow

• question_answer108) In the nephron of rabbit, reabsorption of glucose occurs in:
  A)
   descending limb of Henles loop
  done clear
  B)
   proximal convoluted tubule
  done clear
  C)
   distal convoluted tubule
  done clear
  D)
   ascending limb of Henles loop
  done clear
  View Answer play_arrow

• question_answer109) In rabbit, the acidity in the urethra is neutralized by the secretions of:
  A)
   Perineal glands               
  done clear
  B)
   Rectal glands
  done clear
  C)
   Gall bladder                      
  done clear
  D)
   Cowpers glands
  done clear
  View Answer play_arrow

• question_answer110) The gestation period of cow is:
  A)
   30 days                               
  done clear
  B)
   270 days
  done clear
  C)
   280 days                             
  done clear
  D)
   300 days
  done clear
  View Answer play_arrow

• question_answer111) In a cross between individuals with genotypes Tt Rr, if the resulting number of offspring is 16, identify the number of genotypes with Tt Rr and  Tt RR amongst them:
  A)
   1 and 2                                
  done clear
  B)
   2 and 3
  done clear
  C)
   3 and 1                                
  done clear
  D)
   4 and 2
  done clear
  View Answer play_arrow

• question_answer112) A population is in Hardy-Weinberg equilibrium for a gene with only two alleles. If the gene frequency of an allele A is 0.7, genotype frequency of Aa is:
  A)
   0.21                                      
  done clear
  B)
   0.42
  done clear
  C)
   0.36                                      
  done clear
  D)
   0.7
  done clear
  View Answer play_arrow

• question_answer113) What percentage of homozygous \[R{{h}^{-ve}}\]will be born amongst 4 children of a couple where the husband is heterozygous for \[R{{h}^{+ve}}\]and wife is homozygous for \[R{{h}^{-ve}}\]gene?
  A)
   25%                                      
  done clear
  B)
   50%
  done clear
  C)
   75%                                      
  done clear
  D)
   100%
  done clear
  View Answer play_arrow

• question_answer114) In protein synthesis, the initiator codon is:
  A)
   AAA                                     
  done clear
  B)
   AGC
  done clear
  C)
   AAT                                      
  done clear
  D)
   AUG
  done clear
  View Answer play_arrow

• question_answer115) A couple whose sons are color blind with AB blood group, identify the parents from the following:
  A)
   Mother color blind with A blood group; and father normal with blood group B
  done clear
  B)
   Mother normal with blood group A, and Father color blind with blood group B
  done clear
  C)
   Mother color blind with blood group B, and Father normal with blood group B
  done clear
  D)
   Mother normal with blood group A, and Father color blind with blood group B.
  done clear
  View Answer play_arrow

• question_answer116) Creation of new taxa is focussed in:
  A)
   macro evolution
  done clear
  B)
   theory of special creation
  done clear
  C)
   sympatric speciation
  done clear
  D)
   theory of pangenesis
  done clear
  View Answer play_arrow

• question_answer117) An example of vestigial organ is:
  A)
   wing of Apferyx              
  done clear
  B)
   tail of Macropus
  done clear
  C)
   eyelid of man                                  
  done clear
  D)
   flipper of whale
  done clear
  View Answer play_arrow

• question_answer118) Adaptive radiation is an example for:
  A)
   directional selection     
  done clear
  B)
   diversifying selection
  done clear
  C)
   stabilizing selection
  done clear
  D)
   sympatric speciation
  done clear
  View Answer play_arrow

• question_answer119) The Mediterranean type of popular fowls are called:
  A)
   White leghorn                                 
  done clear
  B)
   New Hampshire
  done clear
  C)
   Plymouth rock                                 
  done clear
  D)
   Rhode island red
  done clear
  View Answer play_arrow

• question_answer120) The antibody dependent cytotoxicity is seen in:
  A)
   generalised anaphylaxis
  done clear
  B)
   local anaphylaxis
  done clear
  C)
   non- compatible blood transfusion
  done clear
  D)
   immune complex reaction                         
  done clear
  View Answer play_arrow

• question_answer121) Whose investigation provided support for Continental Drift Theory?
  A)
   M.O. P. lyengar
  done clear
  B)
   Birbal Sahni
  done clear
  C)
   Norman E. Borlaug
  done clear
  D)
   F. W. Went
  done clear
  View Answer play_arrow

• question_answer122) Exstipulate leaves are present in:
  A)
   Althea rosea
  done clear
  B)
   Tridax procumbens
  done clear
  C)
  Hibiscus rosa-sinensis
  done clear
  D)
   Tephrosiapurpurea
  done clear
  View Answer play_arrow

• question_answer123) The morphological nature of the organ, which helps in climbing in Cardiospermum is:
  A)
   inflorescence axis          
  done clear
  B)
   leaf apex
  done clear
  C)
   terminal bud                                    
  done clear
  D)
   axillary bud
  done clear
  View Answer play_arrow

• question_answer124) Which of the following statements is correct?
  A)
   Replum is found in the ovary of Pisum
  done clear
  B)
   The anthers are introrse in Hibiscus
  done clear
  C)
   The ovules are pendulous in Nelumbo
  done clear
  D)
   Lateral style is found in Ocimum
  done clear
  View Answer play_arrow

• question_answer125) What is the type of fruit that develops from the ovary of a monocarpellate gynoecium and breaks into several one seeded parts at maturity?
  A)
   Cremocarp                        
  done clear
  B)
   Carcerulus
  done clear
  C)
   Regma                                
  done clear
  D)
   Lomentum
  done clear
  View Answer play_arrow

• question_answer126) Which one of the following floral characters, is shared by Ruscus and ray florets of Tridax?
  A)
   Nature of Perianth        
  done clear
  B)
   Unisexuality
  done clear
  C)
   Zygomorphy                    
  done clear
  D)
   Number of stigmas
  done clear
  View Answer play_arrow

• question_answer127) One of the following has been observed for the first time by Trenb :
  A)
   entry of the pollen tube into the ovule  through the micropyle in Ottetia
  done clear
  B)
   entry of the pollen tube into the ovule through chalaza in Casuarina
  done clear
  C)
   entry ofthe pollen tube into the ovule  through the integuments
  done clear
  D)
   formation of many pollen tubes from a  single pollen grain in Hibiscus
  done clear
  View Answer play_arrow

• question_answer128) Which one of the following is a reference to xenogamy?
  A)
   Ripening of androecium earlier to gynoecium
  done clear
  B)
   Pollen grains of one flower reaching the  stigma of another flower present on the same plant
  done clear
  C)
   Pollen grains of one flower, reaching the  stigma of another flower present on a different plant of the same species
  done clear
  D)
   The inability of pollen to germinate on the stigma of the same flower
  done clear
  View Answer play_arrow

• question_answer129) A plant is considered to possess all advanced morphological characters based on the evolutionary significance. Which one of the following sets of characters does the plant denote the same?
  A)
   Dioecious condition, gamopetalous  corolla and multiple fruit
  done clear
  B)
   Actinomorphic flowers, free stamens and  endospermic seeds
  done clear
  C)
   Perennial life span, diclamydeous flower and simple fruit
  done clear
  D)
   Simple leaves, monoecious condition and apocarpous pistil
  done clear
  View Answer play_arrow

• question_answer130) Which series ends with the cohort umbellales in Bentham and Hookers system of classification?
  A)
   Thalamiflorae                  
  done clear
  B)
   Disciflorae
  done clear
  C)
   Heteromerae                  
  done clear
  D)
   Calyciflorae
  done clear
  View Answer play_arrow

• question_answer131) Number of carpels in Sida cordifolia is always:
  A)
   equal to the number of styles
  done clear
  B)
   equal to the number of locules
  done clear
  C)
   double the number of styles
  done clear
  D)
   half the number of locules
  done clear
  View Answer play_arrow

• question_answer132) Botanist collected some fruits with hook-like spines and when the seeds of the same have been germinated, they turned out to be Asteraceous laxa, bearing asepalous and wind pollinated flowers. The fruits he collected were of :
  A)
   Xathium struinarium     
  done clear
  B)
   Lactuca sativa
  done clear
  C)
   Carthamus tinctorius    
  done clear
  D)
   Sphaeranthus indica
  done clear
  View Answer play_arrow

• question_answer133) A raceme inflorescence of Tamarindus bears 15 flowers. Each fertile anther lobe of its flower contains 215 pollen grains. What would be the total number of pollen grains produced by the inflorescence:
  A)
   64500                                  
  done clear
  B)
   32250
  done clear
  C)
   9350                                     
  done clear
  D)
   16125  
  done clear
  View Answer play_arrow

• question_answer134) Rice bran oil is used as an :
  A)
   antibiotic                           
  done clear
  B)
   anticorrosive
  done clear
  C)
   anti helmenthic              
  done clear
  D)
   insecticide
  done clear
  View Answer play_arrow

• question_answer135) In a double helix of DNA molecule of 10 coils, if there are 30 adenine nitrogen bases, what is the number of guanine, nitrogen bases :
  A)
   30                                         
  done clear
  B)
   60
  done clear
  C)
   70                                         
  done clear
  D)
   80
  done clear
  View Answer play_arrow

• question_answer136) Which one of the following is correct match?
  A)
   Monarch             -   Nicotiana tabacum
  done clear
  B)
   Diarch                  -   Trapa nalans
  done clear
  C)
   Triarch                 -    Pisum sativum
  done clear
  D)
   Tetrarch              -   Ricinus commimis
  done clear
  View Answer play_arrow

• question_answer137) The meristem, in which the cells divide in several planes is :
  A)
   plate meristem               
  done clear
  B)
   rib meristem
  done clear
  C)
   mass meristem               
  done clear
  D)
   lateral meristem
  done clear
  View Answer play_arrow

• question_answer138) Non-articulated laticifers are found in:
  A)
   Nerium                               
  done clear
  B)
   Papaver
  done clear
  C)
   Hevea                                 
  done clear
  D)
   Achras
  done clear
  View Answer play_arrow

• question_answer139) Compound sieve plates are found in:
  A)
   Cucurbits                           
  done clear
  B)
   Vitis
  done clear
  C)
   Magnolia                           
  done clear
  D)
   Corchorus
  done clear
  View Answer play_arrow

• question_answer140) The pollen are liberated in Cassytha by:
  A)
   porous dehiscence
  done clear
  B)
   longitudinal dehiscence
  done clear
  C)
   transverse dehiscence
  done clear
  D)
   valvular dehiscence
  done clear
  View Answer play_arrow

• question_answer141) Number of androcytes required to form 32 male gametes in the plant with dicyclic dictyostele belonging to Polypodiaceae is:
  A)
   4            
  done clear
  B)
   8                            
  done clear
  C)
   10                         
  done clear
  D)
   32
  done clear
  View Answer play_arrow

• question_answer142) The terminal sterile portion of an organ, considered to be an equivalent of angiospermous stamen in Cycas, is known as :
  A)
   columella                           
  done clear
  B)
   hapteron
  done clear
  C)
                   paraphysis                        
  done clear
  D)
   apophysis
  done clear
  View Answer play_arrow

• question_answer143) The chemical substances responsible for the slimy nature of mermaids tresses is :
  A)
   pectin                                 
  done clear
  B)
   chitin
  done clear
  C)
    lignin                                  
  done clear
  D)
   cellulose
  done clear
  View Answer play_arrow

• question_answer144) The organism which causes pneumonia in human beings is :
  A)
   atrichous                           
  done clear
  B)
   monotrichous
  done clear
  C)
   amphitrichous                 
  done clear
  D)
   peritrichous
  done clear
  View Answer play_arrow

• question_answer145) A pathogen accumulates its secretion in the xylem vessels of a plant, whose seed epidermal hairs are of great economic importance. Identify the pathogen.
  A)
   Fusarium oxysporum
  done clear
  B)
   Xanthomonas citri
  done clear
  C)
   Phytophthora infestans
  done clear
  D)
   Puccinia purpurea
  done clear
  View Answer play_arrow

• question_answer146) Which one of the following is useful in identifying the different strains of a causal microbe of an infectious disease?
  A)
   Colchicine                          
  done clear
  B)
   Agrobacterium
  done clear
  C)
   Complementary DNA   
  done clear
  D)
   Crystal violet
  done clear
  View Answer play_arrow

• question_answer147) Choose the chemical used in artificial polyploidy :
  A)
   polyethylene glycol       
  done clear
  B)
   sodium alginate
  done clear
  C)
   acenaphthene                
  done clear
  D)
   sodium hypochlorite
  done clear
  View Answer play_arrow

• question_answer148) Which mushroom contains muscarine?
  A)
   Agaricus bisporus
  done clear
  B)
   Volveriella volvacea
  done clear
  C)
   Pleurotus sojar- kaju
  done clear
  D)
   Amanita virosa
  done clear
  View Answer play_arrow

• question_answer149) How does the ephemeral Tribulus tide over the dry conditions?
  A)
   By its tuberous stem
  done clear
  B)
   By its serial stem
  done clear
  C)
   By lying in the form of seeds
  done clear
  D)
   By storing water in different parts of its body
  done clear
  View Answer play_arrow

• question_answer150) The relationship among different types of soil water can be summed up by the following equation:
  A)
   Chresard = echard + hollard
  done clear
  B)
   Chresard = hollard - echard
  done clear
  C)
   Echard = hollard + chresard
  done clear
  D)
   Hollard = chresard - echard
  done clear
  View Answer play_arrow

• question_answer151) Which of the following reaction does not take place in the cell organelle, that is referred to as "Power house of the cell"?
  A)
   Glycinedecarboxylation
  done clear
  B)
   Glyceraldehyde 3-phosphate de Hydrogenation
  done clear
  C)
   Fumaric acid hydration
  done clear
  D)
   Cytochrome oxidation
  done clear
  View Answer play_arrow

• question_answer152) Identify the specific group, which carries out the following biochemical reaction: Aspartic acid+ \[\infty \]ketoglutaric acid \[\to \] Oxaloacetic acid + Glutamic acid
  A)
   synthetases                                     
  done clear
  B)
   peptidases
  done clear
  C)
   transaminases                 
  done clear
  D)
   lyases
  done clear
  View Answer play_arrow

• question_answer153) When one molecule of glucose is completely oxidized during aerobic respiration, how many molecules of carbon dioxide are released due to tricarboxylic acid cycle?
  A)
   One                                     
  done clear
  B)
   Two
  done clear
  C)
   Three                                  
  done clear
  D)
   Four
  done clear
  View Answer play_arrow

• question_answer154) During photorespiration, the conversion of phosphoglycolate to glycolate takes place in this cell organelle :
  A)
   mitochondria                   
  done clear
  B)
   glyoxysome
  done clear
  C)
    peroxisome                                     
  done clear
  D)
   chloroplast
  done clear
  View Answer play_arrow

• question_answer155) A plant with low \[C{{O}_{2}}\]compensation point is :
  A)
   Atriplex patula
  done clear
  B)
   Leucopoa kingie
  done clear
  C)
   Gossypium hirsiitum
  done clear
  D)
   Tidestromia Oblongifolia
  done clear
  View Answer play_arrow

• question_answer156) A bacterium which is capable of utilizing the most abundantly available gas in the atmosphere for one of its metabolic pathways, but cannot utilize the second most abundantly  available  for its  another metabolic pathway is :
  A)
   Azotobacter                                     
  done clear
  B)
   Clostridium
  done clear
  C)
   Rhodomicrobiwn           
  done clear
  D)
   Xanthomonas
  done clear
  View Answer play_arrow

• question_answer157) A phytohormone which increases the production of starch hydrolyzing enzymes during the germination of maize seeds, is employed for the following :
  A)
   increasing the vase-life period of flowers
  done clear
  B)
   induction of seedless fruits in grapes
  done clear
  C)
    acceleration of ripening of banana fruits
  done clear
  D)
   eradication of dicot weeds
  done clear
  View Answer play_arrow

• question_answer158) During which phase of their replication, the bacteriophages release iysozyme?
  A)
   Adsorption                       
  done clear
  B)
   Maturation
  done clear
  C)
   Eclipse                                
  done clear
  D)
   Penetration
  done clear
  View Answer play_arrow

• question_answer159) Swollen   and   spongy   petioles   are characteristic of:
  A)
   Trapa                                   
  done clear
  B)
   Wolffia
  done clear
  C)
     Ceratophyllum              
  done clear
  D)
   Limnophila
  done clear
  View Answer play_arrow

• question_answer160) The photoperiodic cycles of 6 hours of dark period and 18 hours of light period induce flower formation in :
  A)
   Xunthium                          
  done clear
  B)
   Tobacco
  done clear
  C)
   Soybean                            
  done clear
  D)
   Beta
  done clear
  View Answer play_arrow