question_answer 1)
Three blocks of masses \[{{m}_{1}},{{m}_{2}}\]and\[{{m}_{3}}\]are connected by massless strings as shown on a frictionless table. They are pulled with a force of 40 N. If \[\text{10kg,}{{\text{m}}_{\text{2}}}\text{=6kg}\] and \[{{\text{m}}_{3}}\text{=6}\,\text{kg}\] then tension\[{{T}_{2}}\]will be:
A)
10 N
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B)
20 N
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C)
32 N
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D)
40 N
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question_answer 2) A rocket of mass 1000 kg is to be projected vertically upwards. The gases are exhausted vertically downwards with velocity 100 m/s with respect to the rocket. What is the minimum rate of burning of fuel, so as to just lift the rocket upwards against the gravitational attraction? (Take\[g=10\text{ }m/{{s}^{2}}\]).
A)
50 kg/s
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B)
100 kg/s
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C)
200 kg/s
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D)
400 kg/s
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question_answer 3) A force of 10 N acts on a body of mass 20 kg. for 10 seconds. The change in its momentum is :
A)
50 kg-m/s
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B)
100 kg-m/s
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C)
300 kg-m/s
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D)
1000 kg-m/s
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question_answer 4) If an iron ball and a wooden ball of the same radius are released from a height h in vacuum, then time taken by both of them, to reach the ground will be :
A)
zero
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B)
unequal
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C)
roughly equal
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D)
exactly equal
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question_answer 5) A ball of mass 0.25 kg attached to the ends of a string of length 1.96 m is rotating in a horizontal circle. The string will break, if tension is more than 25 N. What is the maximum velocity with which the ball can be rotated?
A)
3 m/s
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B)
5 m/s
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C)
9 m/s
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D)
14 m/s
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question_answer 6) In uniform circular motion, the factor that remains constant is :
A)
acceleration
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B)
momentum
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C)
kinetic energy
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D)
linear velocity
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question_answer 7) A projectile is fired at\[30{}^\circ \]with momentum p. Neglecting friction, the change in kinetic energy, when it returns back to the ground, will be:
A)
zero
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B)
30%
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C)
60%
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D)
100%
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question_answer 8) If a car at rest accelerates uniformly and attains a speed of 72 km/hr in 10 s, then it covers a distance of :
A)
50 m
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B)
100 m
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C)
200 m
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D)
400 m
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question_answer 9) Suppose refractive index \[\mu \] is given as \[\mu =A+B/{{\lambda }^{2}},\] where A and B are constants and is wavelength then the dimensions of B are same as that of :
A)
wavelength
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B)
pressure
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C)
area
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D)
volume
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question_answer 10) We wish to see inside an atom. Assuming the atom to have a diameter of 100 pm, this means that one must be able to resolve a width of say 10 pm. If an electron microscope is used, the minimum electron energy required is about :
A)
15 keV
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B)
1.5 keV
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C)
150 keV
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D)
1.5 MeV
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question_answer 11) A particle is moving under the influence of a force which is fixed in magnitude and acting at an angle\[\theta \]in the direction of motion. The path described by the particle is :
A)
a circle
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B)
an ellipse
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C)
a parabola
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D)
a straight line
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question_answer 12) 300 J of work is done in sliding a 2 kg block up an inclined plane of height 10 m. The work done against friction is (Take\[g=10\text{ }m/{{s}^{2}}\])
A)
zero
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B)
100 J
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C)
200 J
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D)
300 J
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question_answer 13) The torque of force \[\text{\vec{F}=(2\hat{i}-3\hat{J}+4\hat{k})}\] newton acting at a point \[\text{\vec{r}=(3\hat{i}+2\hat{J}+3\hat{k})}\] metre about origin is:
A)
\[6\vec{i}-6\vec{J}+12\vec{k}N-m\]
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B)
\[-6\vec{i}+6\vec{J}-12\vec{k}N-m\]
done
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C)
\[17\vec{i}-6\vec{J}-13\vec{k}N-m\]
done
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D)
\[-17\vec{i}-6\vec{J}-13\vec{k}N-m\]
done
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question_answer 14) A machine which is 75% efficient, uses 12 J of energy in lifting 1 kg mass through a certain distance. The mass is then allowed to fall through the same distance. The velocity at the end of its fall is
A)
\[\sqrt{12}\] m/s
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B)
\[\sqrt{18}\] m/s
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C)
\[\sqrt{24}\]m/s
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D)
\[\sqrt{32}\] m/s
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question_answer 15)
In an equilateral triangle ABC \[{{F}_{1}}\]\[{{F}_{2}}\] and \[{{F}_{3}}\] are three forces acting along the sides AB, BC and AC as shown in the given figure. What should be the magnitude of \[{{F}_{3}}\] so that the total torque about O is zero?
A)
2 N
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B)
4 N
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C)
6 N
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D)
8 N
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question_answer 16) The rotational kinetic energy of a body is \[{{K}_{rot}}\] and its moment of inertia is J. The angular momentum of body is :
A)
\[I{{K}_{rot}}\]
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B)
\[2\sqrt{I{{K}_{rot}}}\]
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C)
\[\sqrt{21\,{{K}_{rot}}}\]
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D)
\[2\,I{{K}_{rot}}\]
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question_answer 17) A small steel sphere of mass m is tied to a string of length r and is whirled in a horizontal circle with a uniform angular velocity 2 \[\omega \] The string is suddenly pulled, so that radius of the circle is halved. The new angular velocity will be:
A)
2 \[\omega \]
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B)
\[\omega \]
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C)
6 \[\omega \]
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D)
8 \[\omega \]
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question_answer 18) A uniform disc of mass M and radius R is mounted on an axle supported in friction less bearings. A light cord is wrapped around the rim of the disc and a steady downward pull T is exerted on the cord. The angular acceleration of the disc is :
A)
\[\frac{MR}{2T}\]
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B)
\[\frac{2T}{MR}\]
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C)
\[\frac{T}{MR}\]
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D)
\[\frac{MR}{T}\]
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question_answer 19) If the rotational speed of earth is increased then weight of a body at the equator :
A)
increases
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B)
decreases
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C)
becomes double
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D)
does not change
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question_answer 20) The earth revolves around the sun in one year. If distance between them becomes double, the new time period of revolution will be :
A)
\[4\sqrt{2}\] years
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B)
\[2\sqrt{2}\] years
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C)
4 years
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D)
8 years
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question_answer 21) The orbital velocity of an artificial satellite in a circular orbit just above the earths surface is \[\upsilon \] The orbital velocity of a satellite orbiting at an altitude of half of the radius, is :
A)
\[\frac{3}{2}{{\upsilon }_{0}}\]
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B)
\[\frac{2}{3}{{\upsilon }_{0}}\]
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C)
\[\frac{\sqrt{2}}{3}{{\upsilon }_{0}}\]
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D)
\[\frac{\sqrt{3}}{2}{{\upsilon }_{0}}\]
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question_answer 22) The amplitude of an oscillating simple pendulum is 10 cm and its time period is 4 s. Its speed after 1 s when it passes through its equilibrium position is :
A)
zero
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B)
2.0 m/s
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C)
0.3 m/s
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D)
0.4 m/s
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question_answer 23) A simple second pendulum is mounted in a rocket. Its time period will decrease when the rocket is :
A)
moving up with uniform velocity
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B)
moving up with uniform acceleration
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C)
moving down with uniform acceleration
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D)
moving around the earth in geostationary orbit
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question_answer 24) A child swinging on a swing in a sitting position, stands up, then the time period of the swing will:
A)
increase
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B)
decrease
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C)
remain the same
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D)
increase if the child is long and
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question_answer 25) decrease if the child is short The phenomena arising due to the superposition of waves is/are:
A)
beats
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B)
stationary waves
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C)
Lissajous figures
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D)
all of these
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question_answer 26) A vehicle with horn of frequency v is moving with a velocity of 30 m/s in a direction perpendicular to the line joining the observer and the vehicle. The observer perceives the sound to have a frequency \[(v+{{v}_{1}})\]. If the sound velocity in air is 300 m/s, then.
A)
\[{{v}_{1}}=0\]
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B)
\[{{v}_{1}}=0.1v\]
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C)
\[{{v}_{1}}=-0.1\text{ }v\]
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D)
\[{{v}_{1}}=10\text{ }v\]
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question_answer 27) A ball falling in a lake of depth 200 m shows 0.1% decrease in its volume at the bottom. What is the Bulk modulus of the ball material? (Take density of water\[=1000\text{ }kg/{{m}^{3}}\])
A)
\[19.6\times {{10}^{8}}N/{{m}^{2}}\]
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B)
\[19.6\times {{10}^{-10}}N/{{m}^{2}}\]
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C)
\[19.6\times {{10}^{10}}N/{{m}^{2}}\]
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D)
\[19.6\times {{10}^{-8}}N/{{m}^{2}}\]
done
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question_answer 28) At what temperature, hydrogen molecules will escape from the earths surface? (Take mass of hydrogen molecule\[=0.34\times {{10}^{-26}}kg,\] Boltzmann constant\[=1.38\times {{10}^{-23}}JK,\] Radius of earth\[=6.4\times {{10}^{6}}m\] and acceleration due to gravity\[=9.8\text{ }m/{{s}^{2}}\])
A)
10 K
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B)
\[{{10}^{2}}K\]
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C)
\[{{10}^{3}}K\]
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D)
\[{{10}^{4}}K\]
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question_answer 29) Real gases obey ideal gas laws more closely at:
A)
low pressure and low temperature
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B)
low pressure and high temperature
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C)
high pressure and low temperature
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D)
high pressure and high temperature
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question_answer 30) Carnot engine cannot give 100% efficiency, because we cannot :
A)
eleminate friction
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B)
find ideal sources
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C)
prevent radiation
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D)
reach absolute zero temperature
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question_answer 31) Two cylinders fitted with pistons contain equal amounts of an idea! diatomic gas at 300 K. The piston of A is free to move, while that of B is held fixed. The same amount of heat is given to the gas in each cylinder. If the rise in temperature of gas in A is 300 K, then rise in temperature of gas in B is :
A)
30 K
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B)
18 K
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C)
50 K
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D)
42 K
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question_answer 32) A thin square plate with each side equal to 10 cm, is heated by a blacksmith. The rate of radiated energy by the heated plate is 1134 watts. The temperature of hot square plate is (Stefans constant\[\sigma =5.67\times {{10}^{-8}}W-{{m}^{2}}{{K}^{-4}};\] Emissivity of plate = 1)
A)
1000 K
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B)
1189 K
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C)
2000 K
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D)
2378 K
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question_answer 33) A beaker of hot water cools from\[75{}^\circ C\]to\[70{}^\circ C\] in \[{{t}_{1}}\] minutes, from\[70{}^\circ C\] to\[65{}^\circ C\]in \[{{t}_{2}}\] minutes and from\[65{}^\circ C\] to \[60{}^\circ C\] in\[{{t}_{3}}\] minutes. Then :
A)
\[{{t}_{1}}={{t}_{2}}={{t}_{3}}\]
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B)
\[{{t}_{1}}<{{t}_{2}}<{{t}_{3}}\]
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C)
\[{{t}_{1}}>{{t}_{2}}>{{t}_{3}}\]
done
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D)
\[{{t}_{1}}<{{t}_{2}}>{{t}_{3}}\]
done
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question_answer 34) If the ratio of specific heats of a gas at constant pressure to that at constant volume is \[\text{ }\!\!\gamma\!\!\text{ ,}\] the change in internal energy of a gas, when the volume changes from V to 2V at constant pressure P, is :
A)
PV
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B)
\[\frac{\text{R}}{\text{ }\!\!\gamma\!\!\text{ -1}}\]
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C)
\[\frac{PV}{\gamma -1}\]
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D)
\[\frac{\text{ }\!\!\gamma\!\!\text{ PV}}{\text{ }\!\!\gamma\!\!\text{ -1}}\]
done
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question_answer 35) When a charged oil drop moves upwards in an electric field of strength E, the electric force acting on the drop is :
A)
equal to the gravitational force
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B)
less than the gravitational force
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C)
greater than the gravitational force
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D)
greater than the mass of the oil drop
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question_answer 36)
What is the resultant capacitance between points A and B?
A)
51\[\pi F\]
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B)
102\[\pi F\]
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C)
204 \[\pi F\]
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D)
408 \[\pi F\]
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question_answer 37) If a uniform wire of resistance R is uniformly stretched to n times the original length, then new resistance of the wire becomes :
A)
n R
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B)
\[{{n}^{2}}R\]
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C)
\[\frac{R}{n}\]
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D)
\[\frac{R}{{{n}^{2}}}\]
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question_answer 38) A \[2{}^\circ C\] rise in temperature is observed in a conductor by passing a current. When the current is tripled, the rise in temperature will be:
A)
\[9{}^\circ C\]
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B)
\[18{}^\circ C\]
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C)
\[27{}^\circ C\]
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D)
\[36{}^\circ C\]
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question_answer 39)
A conducting rod AC of length \[4l\] is rotated about \[_{B}^{a}\to \]point O in a uniform magnetic field B directed into the paper. \[AO=l\] and \[OC=3l\] then :
A)
\[VA-Vo=\frac{B\omega {{l}^{2}}}{2}\]
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B)
\[Vo-Vc=\frac{9}{2}B\omega {{l}^{2}}\]
done
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C)
\[Vo-Vc=4B\omega {{l}^{2}}\]
done
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D)
\[Vo-Vc=\frac{9}{2}B\omega {{l}^{2}}\]
done
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question_answer 40) If two wires are carrying currents in opposite directions, then they will:
A)
repel each other
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B)
attract each other
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C)
become inclined to each other
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D)
neither repel nor attract each other
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question_answer 41) The radius of second Bohrs orbit of hydrogen atom is:
A)
0.053 nm
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B)
0.106 nm
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C)
0.2116 nm
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D)
0.4256 nm
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question_answer 42) Kinetic energy of one mole of an ideal gas at 300 K is:
A)
3.48 kJ
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B)
3.74 kJ
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C)
37.4 kJ
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D)
34.8 kJ
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question_answer 43) Which of the following is the correct electronic configuration of Cr?
A)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}4{{s}^{1}}3{{d}^{5}}\]
done
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B)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}4{{s}^{2}}3{{d}^{4}}\]
done
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C)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}4{{s}^{2}}3{{d}^{6}}\]
done
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D)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}4{{s}^{1}}3{{s}^{8}}\]
done
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question_answer 44) If the value of\[{{C}_{p}}\]for nitrogen gas is \[j{{K}^{-1}}mo{{l}^{-1}},\]then the value of\[\Delta H\]on heating 28 g of nitrogen gas from\[0{}^\circ C\]to\[100{}^\circ C\]at constant pressure will be:
A)
1200 J
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B)
1300 J
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C)
1400 J
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D)
1500 J
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question_answer 45) The least count of an instrument is 0.01 cm. Taking all precautions, the most possible error in the measurement can be:
A)
0.005 cm
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B)
0.01 cm
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C)
0.0001 cm
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D)
0.1 cm
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question_answer 46) The phenomenon of radioactivity was discovered by:
A)
Henry Becquerrel
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B)
Madam Curie
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C)
P. Curie
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D)
Rutherford
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question_answer 47) Hydrogen peroxide is prepared in the laboratory by:
A)
passing\[C{{O}_{2}}\]into\[Ba{{O}_{2}}\]
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B)
adding\[Mn{{O}_{2}}\]to dil.\[{{H}_{2}}S{{O}_{4}}\]
done
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C)
adding\[N{{a}_{2}}{{O}_{2}}\]to cold water
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D)
adding\[Pb{{O}_{2}}\]into\[KMn{{O}_{4}}\].
done
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question_answer 48) Vinegar is:
A)
HCHO
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B)
HCOOH
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C)
\[C{{H}_{3}}CHO\]
done
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D)
\[C{{H}_{3}}COOH\]
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question_answer 49) Which of the following product is formed in the reaction \[C{{H}_{3}}MgBr\xrightarrow[(ii){{H}_{2}}O]{(i)C{{O}_{2}}}?\]
A)
Acetic acid
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B)
Methanoic acid
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C)
Methanol
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D)
Ethanal
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question_answer 50) Ethyl chloride is converted into diethyl ether by:
A)
Perkins reaction
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B)
Grignard reagent
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C)
Wurtz reaction
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D)
Williamsons synthesis
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question_answer 51) lodoform test is not answered by:
A)
\[C{{H}_{3}}OH\]
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B)
\[{{C}_{2}}{{H}_{5}}OH\]
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C)
\[C{{H}_{3}}COC{{H}_{3}}\]
done
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D)
\[C{{H}_{3}}\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{CH}}\,C{{H}_{3}}\]
done
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question_answer 52) The equivalent weight of a solid element is found to be 9. If the specific heat of this element is\[1.05\,Jg\,{{K}^{-1}},\]then its atomic weight is:
A)
17
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B)
21
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C)
25
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D)
27
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question_answer 53) The maximum energy is possessed by an electron, when it is present:
A)
in nucleus
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B)
in ground energy state
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C)
in first excited state
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D)
at infinite distance from the nucleus
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question_answer 54) A gas has a vapour density 11.2. The volume occupied by 1 gm of gas at NTP is:
A)
1 litre
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B)
11.2 litre
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C)
22.4 litre
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D)
unpredictable
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question_answer 55) Particle nature of electron was experimently demonstrated by:
A)
Max Bon
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B)
J.J. Thomson
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C)
de Broglie
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D)
Schrondinger
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question_answer 56) Which of the following is a magic number?
A)
10
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B)
16
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C)
55
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D)
50
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question_answer 57) The Ostwald dilution law is expressed as:
A)
\[{{K}_{a}}=\frac{c{{\alpha }^{2}}}{(1-\alpha )}\]
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B)
\[{{K}_{a}}=\frac{c\alpha }{(1-\alpha )}\]
done
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C)
\[{{K}_{a}}=\frac{1-\alpha }{c{{\alpha }^{2}}}\]
done
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D)
\[{{K}_{a}}=\frac{c(1-\alpha )}{{{\alpha }^{2}}}\]
done
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question_answer 58) The pH value of an acid is 5 and its concentration is 1 M. What is the value of\[{{K}_{a}}\] for the acid?
A)
\[{{10}^{-7}}\]
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B)
\[{{10}^{-5}}\]
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C)
\[{{10}^{-10}}\]
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D)
\[{{10}^{-8}}\]
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question_answer 59) To calculate the amount of work done in joules during reversible isothermal expansion of an ideal gas, the volume must be expressed in:
A)
\[{{m}^{3}}\] only
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B)
\[d{{m}^{3}}\] only
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C)
\[c{{m}^{3}}\]only
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D)
any of these
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question_answer 60) In the reaction,\[{{H}_{2}}(g)+{{I}_{2}}(g)\xrightarrow[{}]{{}}2HI(g).\]Which of the following is correct?
A)
\[{{K}_{p}}={{K}_{c}}\]
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B)
\[{{K}_{p}}>{{K}_{c}}\]
done
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C)
\[{{K}_{p}}<{{K}_{c}}\]
done
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D)
\[{{K}_{p}}\ge {{K}_{c}}\]
done
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question_answer 61) The mass of an object changes from 0.2 g to 0.025 g in 1500 years. The half life of the object is:
A)
500 yrs
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B)
600 yrs
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C)
800 yrs
done
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D)
950 yrs
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question_answer 62) Which of the following is the correct nuclear reaction, when 90 Th undergoes one\[\beta -\] emission?
A)
\[_{90}^{233}Th\xrightarrow[{}]{{}}\,_{90}^{233}Pa{{+}_{-2}}{{e}^{0}}\]
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B)
\[_{90}^{233}Th\xrightarrow[{}]{{}}\,_{91}^{233}Pa{{+}_{-1}}{{e}^{0}}\]
done
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C)
\[_{90}^{233}Th\xrightarrow[{}]{{}}\,_{90}^{292}Pa{{+}_{0}}{{e}^{4}}\]
done
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D)
\[_{90}^{233}Th\xrightarrow[{}]{{}}\,_{91}^{229}Pa{{+}_{-1}}{{e}^{4}}\]
done
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question_answer 63) Which of the following is the chief ore of copper?
A)
\[C{{u}_{2}}S\]
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B)
\[C{{u}_{2}}O\]
done
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C)
\[CuFe{{S}_{2}}\]
done
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D)
\[CuC{{O}_{3}}.Cu{{(OH)}_{2}}\]
done
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question_answer 64) Which of the following is an epsom salt?
A)
\[2CaS{{O}_{4}}.{{H}_{2}}O\]
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B)
\[MgS{{O}_{4}}.7{{H}_{2}}O\]
done
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C)
\[MgS{{O}_{4}}.2{{H}_{2}}O\]
done
clear
D)
\[BaS{{O}_{4}}.2{{H}_{2}}O\]
done
clear
View Answer play_arrow
question_answer 65) Bromine can be liberated from\[KBr\]solution by the action of:
A)
\[KI\]
done
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B)
\[NaCl\]
done
clear
C)
\[C{{l}_{2}}\]
done
clear
D)
12 solution
done
clear
View Answer play_arrow
question_answer 66) When lead nitrate is heated, it produces:
A)
\[N{{O}_{2}}\]
done
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B)
\[NO\]
done
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C)
\[{{N}_{2}}{{O}_{5}}\]
done
clear
D)
\[{{N}_{2}}O\]
done
clear
View Answer play_arrow
question_answer 67) Which of the following lanthanide is commonly used?
A)
Lanthanum
done
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B)
Nobelium
done
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C)
Thorium
done
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D)
Cerium
done
clear
View Answer play_arrow
question_answer 68) The IUPAC name of \[{{(C{{H}_{3}})}_{3}}CCH=C{{H}_{2}}\]is:
A)
3, 3-dimethyl-l-butene
done
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B)
2, 2-dimethyl 3-butene
done
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C)
1, 1, 1-trimethyl-2-propene
done
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D)
3, 3, 3-trimethyl 2-propene
done
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View Answer play_arrow
question_answer 69) The order of reactivities of methyl halide in the formation of Grignard reagent is:
A)
\[C{{H}_{3}}Cl>C{{H}_{3}}Br>C{{H}_{3}}I\]
done
clear
B)
\[C{{H}_{3}}I>C{{H}_{3}}Br>C{{H}_{3}}Cl\]
done
clear
C)
\[C{{H}_{3}}Br>C{{H}_{3}}I>C{{H}_{3}}Cl\]
done
clear
D)
\[C{{H}_{3}}Br>C{{H}_{3}}CI>C{{H}_{3}}I\]
done
clear
View Answer play_arrow
question_answer 70) Which of the following waste materials can be used for producing bio-gas?
A)
Thermocoal
done
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B)
Glass bottle
done
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C)
Tin cans
done
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D)
Paper scrap
done
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View Answer play_arrow
question_answer 71) Which of the following is called Marsh gas?
A)
\[{{C}_{2}}{{H}_{4}}\]
done
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B)
\[{{C}_{2}}{{H}_{6}}\]
done
clear
C)
\[{{C}_{2}}{{H}_{2}}\]
done
clear
D)
\[C{{H}_{4}}\]
done
clear
View Answer play_arrow
question_answer 72) The hardness of water is estimated by:
A)
EDTA method
done
clear
B)
Titrimetric method
done
clear
C)
Conductivity method
done
clear
D)
Distillation method
done
clear
View Answer play_arrow
question_answer 73) The addition of 1% alcohol to chloroform acts as:
A)
auto-catalyst
done
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B)
bio-catalyst
done
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C)
positive catalyst
done
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D)
negative catalyst
done
clear
View Answer play_arrow
question_answer 74) Which one of the following order of acid strength is correct?
A)
\[RCOOH>HOH>ROH>HC\equiv CH\]
done
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B)
\[RCOOH>HOH>CH\equiv CH>ROH\]
done
clear
C)
\[RCOOH>HC\equiv CH>HOH>ROH\]
done
clear
D)
\[RCOOH>ROH>HOH>CH\equiv CH\]
done
clear
View Answer play_arrow
question_answer 75) In order to convert aniline into chlorobenzene the reagent used is:
A)
\[NaN{{O}_{2}}/HCl,\text{ }CuCl\]
done
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B)
\[C{{l}_{2}}/CC{{l}_{4}}\]
done
clear
C)
\[C{{l}_{2}}/AlC{{l}_{3}}\]
done
clear
D)
\[CuC{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 76) A drug that is antipyretic as well as analgesic is:
A)
chloroquine
done
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B)
penicilline
done
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C)
paracetamol
done
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D)
chloropromazine hydrochloride
done
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View Answer play_arrow
question_answer 77) The basic component of the smog is:
A)
PAN
done
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B)
PBN
done
clear
C)
\[N{{O}_{2}}\]
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 78) DNA multiplication is called:
A)
translation
done
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B)
transduction
done
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C)
transcription
done
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D)
replication
done
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View Answer play_arrow
question_answer 79) Hexoses and pentoses are:
A)
disaccharides
done
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B)
Monosaccharides
done
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C)
Polysaccharides
done
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D)
Oligosaccharides
done
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View Answer play_arrow
question_answer 80) An ester used as medicine is:
A)
ethyl acetate
done
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B)
methyl salicylate
done
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C)
ethyl benzoate
done
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D)
methyl benzoate
done
clear
View Answer play_arrow
question_answer 81) What is formed when nitrobenzene is reduced using zinc and alkali?
A)
Phenol
done
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B)
Hydroazobenzene
done
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C)
Aniline
done
clear
D)
Nitrosobenzene
done
clear
View Answer play_arrow
question_answer 82) Which of the following test is not used for testing of proteins?
A)
Millons test
done
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B)
Molishs test
done
clear
C)
Biuret test
done
clear
D)
Ninhydrin test
done
clear
View Answer play_arrow
question_answer 83) Which of the following is not a synthetic fibre?
A)
Rubber
done
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B)
Nylon-6
done
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C)
Nylon-6, 6
done
clear
D)
Nylon-6, 10
done
clear
View Answer play_arrow
question_answer 84) A liquid decomposes at its normal boiling point. It can be purified by:
A)
sublimation
done
clear
B)
steam distillation
done
clear
C)
vacuum distillation
done
clear
D)
fractional distillation
done
clear
View Answer play_arrow
question_answer 85) Which of the following is obtained when auric chloride reacts with sodium chloride?
A)
\[Na[AuCl]\]
done
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B)
\[Na[AuC{{l}_{2}}]\]
done
clear
C)
\[Na[AuC{{l}_{3}}]\]
done
clear
D)
\[Na[AuC{{l}_{4}}]\]
done
clear
View Answer play_arrow
question_answer 86) The limiting radius ratio for tetrahedral shape is:
A)
0 to 0.155
done
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B)
0.225 to 0.414
done
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C)
0.155 to 0.225
done
clear
D)
0.414 to 0.732
done
clear
View Answer play_arrow
question_answer 87) When a capillary tube of diameter 0.8 mm is dipped in a liquid having density\[800\text{ }kg\text{ }{{m}^{-3}},\] then the height of liquid in the capillary tube rises to 4 cm. The surface tension of liquid is\[(g=9.8m/{{s}^{2}}):\]
A)
\[4.3\times {{10}^{-2}}N{{m}^{-1}}\]
done
clear
B)
\[5.6\times {{10}^{-2}}N{{m}^{-1}}\]
done
clear
C)
\[6.3\times {{10}^{-2}}N{{m}^{-1}}\]
done
clear
D)
\[7.3\times {{10}^{-2}}N{{m}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 88) The\[BC{{l}_{3}}\]is a planar molecule whereas\[NC{{l}_{3}}\]is pyramidal, because:
A)
nitrogen atom is smaller than boron atoms
done
clear
B)
\[B-Cl\]bond is more polar than\[N-Cl\]bond.
done
clear
C)
\[N-Cl\]bond is more covalent than\[B-Cl\] bond
done
clear
D)
\[BC{{l}_{3}}\]has no lone pair but\[NC{{l}_{3}}\]has a lone pair of electrons
done
clear
View Answer play_arrow
question_answer 89) Railway wagon axles are made by heating iron rods embedded in charcoal powder. This process is known as:
A)
tempering
done
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B)
anneling
done
clear
C)
sherardising
done
clear
D)
case hardening
done
clear
View Answer play_arrow
question_answer 90) The reaction \[Ag_{(aq)}^{2+}+A{{g}_{(s)}}2Ag_{(aq)}^{+}\] is an example of:
A)
reduction
done
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B)
oxidation
done
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C)
disproportionation
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 91) Number of a and n bonds in acetylene are:
A)
3 and 2
done
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B)
2 and 2
done
clear
C)
2 and 3
done
clear
D)
4 and 3
done
clear
View Answer play_arrow
question_answer 92) The percentage s-character of the hybrid orbitals in methane, ethene and ethyne are respectively:
A)
25, 50, 75
done
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B)
25, 33, 50
done
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C)
10, 20, 40
done
clear
D)
50, 75, 100
done
clear
View Answer play_arrow
question_answer 93) Which of the following statements is true?
A)
\[\Delta G\] is always less than\[\Delta H\]
done
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B)
\[\Delta G\]is always more than\[\Delta H\]
done
clear
C)
\[\Delta G\]is always proportional to\[\Delta H\]
done
clear
D)
\[\Delta G\]may be lesser, greater or equal to\[\Delta H\]
done
clear
View Answer play_arrow
question_answer 94) Which of the following is not a characteristic of chemisorption?
A)
Adsorption is specific
done
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B)
Adsorption is irreversible
done
clear
C)
\[\Delta H\]is of the order of 400 kJ
done
clear
D)
Adsorption may be multimolecular layer
done
clear
View Answer play_arrow
question_answer 95) Which of the following process is not used for the purification of solid impurities?
A)
Distillation
done
clear
B)
Sublimation
done
clear
C)
Crystallisation
done
clear
D)
Vaporisation
done
clear
View Answer play_arrow
question_answer 96) Which of the following organization is engaged in the promotion and construction of bio-gas plants in India?
A)
KBIC
done
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B)
GVD
done
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C)
KVIC
done
clear
D)
All of these
done
clear
View Answer play_arrow
question_answer 97) Which of the following is not true about the urea?
A)
It can be stored easily
done
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B)
It should be applied at sowing time
done
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C)
It cannot be used for all types of crops and soils
done
clear
D)
The cost of production of urea is cheap.
done
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View Answer play_arrow
question_answer 98) Which of the following reagent can distinguish between 1-Butyne and 2-Butyne?
A)
Aqueous\[NaOH\]
done
clear
B)
Bromine water
done
clear
C)
Fehlings solution
done
clear
D)
Ammonical\[AgN{{O}_{3}}\]
done
clear
View Answer play_arrow
question_answer 99) At 530 K, glycerol reacts with oxalic acid to produce:
A)
allyl alcohol
done
clear
B)
formic acid
done
clear
C)
glyceraldehyde
done
clear
D)
formaldehyde
done
clear
View Answer play_arrow
question_answer 100) Which of the following compound does not undergo schotten Baumann reaction?
A)
Phenol
done
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B)
Primary amine
done
clear
C)
Secondary amine
done
clear
D)
Tertiary amine
done
clear
View Answer play_arrow
question_answer 101) The main function of lysosome is :
A)
sexual reproduction
done
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B)
extracellular digestion
done
clear
C)
intracellular digestion
done
clear
D)
both b and c
done
clear
View Answer play_arrow
question_answer 102) Which of the following maintains continuity between the water and lipid phases inside and outside the cells ?
A)
Cell wall
done
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B)
Lecithin
done
clear
C)
Cell vacuole
done
clear
D)
Cell membrane of woody plants
done
clear
View Answer play_arrow
question_answer 103) The method of classification, called cladistics, is based on :
A)
natural system
done
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B)
mutation theory
done
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C)
artificial system
done
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D)
evolutionary history
done
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View Answer play_arrow
question_answer 104) In many bacteria, the cell membrane becomes invaginated and folded to form:
A)
pili
done
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B)
cristae
done
clear
C)
fimbriae
done
clear
D)
mesosomes
done
clear
View Answer play_arrow
question_answer 105) Lomasomes are found in :
A)
algal cell
done
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B)
fungal cell
done
clear
C)
bacterial cell
done
clear
D)
cyanobacterial cell
done
clear
View Answer play_arrow
question_answer 106) Zygote of Spirogyra produces four haploid nuclei, in which :
A)
one is functional
done
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B)
two are functional
done
clear
C)
three are functional
done
clear
D)
all are functional
done
clear
View Answer play_arrow
question_answer 107) Which of the following part of Funaria, sporophyte is involved in the dispersal of spores ?
A)
Calyptra
done
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B)
Operculum
done
clear
C)
Peristome
done
clear
D)
Annulus
done
clear
View Answer play_arrow
question_answer 108) In Selaginelln, the adaxial outgrowth, from the base of leaf, is called :
A)
ligule
done
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B)
velum
done
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C)
rhizophore
done
clear
D)
glossopodium
done
clear
View Answer play_arrow
question_answer 109) In Pinus, the third tier of embryonal cells from below is known as :
A)
rosette tier
done
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B)
suspensor tier
done
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C)
embryonal tier
done
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D)
free-nuclear tier
done
clear
View Answer play_arrow
question_answer 110) Most of the petrocrops belongs to family :
A)
Malvaceae
done
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B)
Rutaceae
done
clear
C)
Leguminosae
done
clear
D)
Euphorbiaceae
done
clear
View Answer play_arrow
question_answer 111) Amia belongs to family :
A)
Labiatae
done
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B)
Fabaceae
done
clear
C)
Solanaceae
done
clear
D)
Euphorbiaceae
done
clear
View Answer play_arrow
question_answer 112) Tuberous roots are found in :
A)
Beta viilgaris
done
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B)
Dnucus carota
done
clear
C)
Iponioea batatas
done
clear
D)
Raphanus sativus
done
clear
View Answer play_arrow
question_answer 113) Velamen is found in :
A)
Vanda
done
clear
B)
Rosa
done
clear
C)
Viscum
done
clear
D)
Santlum
done
clear
View Answer play_arrow
question_answer 114) The type of leaf in Dancus carota is :
A)
simple
done
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B)
bipinnate
done
clear
C)
tripinnate
done
clear
D)
decompound
done
clear
View Answer play_arrow
question_answer 115) Aerenchyma provides :
A)
flexibility to plants
done
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B)
mechanical strength to plants
done
clear
C)
buoyancy to hydrophytic plants
done
clear
D)
promoting nature of photosynthesis
done
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View Answer play_arrow
question_answer 116) Two cross-sections of stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by :
A)
exarch condition of root and stem
done
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B)
endarch condition of stem and root
done
clear
C)
endarch condition of root and exarch condition of stem
done
clear
D)
endarch condition of stem and exarch condition of root
done
clear
View Answer play_arrow
question_answer 117) Umbel inflorescence is found in :
A)
Musa
done
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B)
Colocasia
done
clear
C)
Coriandrum
done
clear
D)
Helianthus
done
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View Answer play_arrow
question_answer 118) When gynoecium is present in the topmost position of thalamus, the flower is known as :
A)
Inferior
done
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B)
epigenous
done
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C)
perigynous
done
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D)
hypogenous
done
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View Answer play_arrow
question_answer 119) Orthotropus ovule belongs to :
A)
Urtica
done
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B)
Polygonum
done
clear
C)
Peperomea
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 120) In a flowering plant, megaspore develops into an embryo sac, which contains :
A)
4 cell, one of which is an egg
done
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B)
6 cells, one of which is an egg
done
clear
C)
8 cells, one of which is an egg
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 121) The type of pollination found in Calotropis is :
A)
dicliny
done
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B)
herkogamy
done
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C)
heterostyly
done
clear
D)
dichogamy
done
clear
View Answer play_arrow
question_answer 122) Apogamy is :
A)
reproduction of virus
done
clear
B)
failure of fusion of gametes
done
clear
C)
development of bacteria
done
clear
D)
loss of function of reproduction
done
clear
View Answer play_arrow
question_answer 123) If a sporangium is derived from a single cell, it is called :
A)
leptosporangiate
done
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B)
eusporangiate
done
clear
C)
heterosporangiate
done
clear
D)
monosporangiate
done
clear
View Answer play_arrow
question_answer 124) Drupe contains :
A)
stony endocarp
done
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B)
stony mesocarp
done
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C)
edible epicarp
done
clear
D)
edible endocarp
done
clear
View Answer play_arrow
question_answer 125) When stomata open, the pH of guard cells :
A)
increases
done
clear
B)
decreases
done
clear
C)
remains same
done
clear
D)
both a and b
done
clear
View Answer play_arrow
question_answer 126) Water lost in guttation is :
A)
pure water
done
clear
B)
impure water
done
clear
C)
in vapour form
done
clear
D)
either a and b
done
clear
View Answer play_arrow
question_answer 127) Photochemical reactions in the chloroplasts are directly involved in :
A)
fixation of carbon dioxide
done
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B)
synthesis of glucose and starch
done
clear
C)
formation of phosphoglyceric acid
done
clear
D)
photolysis of water and phosphorylation of ADP to ATP
done
clear
View Answer play_arrow
question_answer 128) Which of the following elements are essential for the photolysis of water ?
A)
\[Ca\] and \[C\]
done
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B)
\[\text{Mn}\]and \[\text{Cl}\]
done
clear
C)
\[\text{Zn}\] and \[I\]
done
clear
D)
\[Cu\] and \[Fe\]
done
clear
View Answer play_arrow
question_answer 129) Respiratory Quotient (R.Q.) is denned as :
A)
\[\text{vol}\text{. of }{{\text{O}}_{\text{2}}}\text{/vol}\text{. of C}{{\text{O}}_{\text{2}}}\]
done
clear
B)
\[\text{vol}\text{. of C}{{\text{O}}_{\text{2}}}\text{/vol}\text{. of }{{\text{C}}_{\text{2}}}\]
done
clear
C)
\[\text{vol}\text{. of }{{\text{O}}_{\text{2}}}\text{/vol}\text{. of }{{\text{N}}_{\text{2}}}\]
done
clear
D)
\[\text{vol}\text{. of }{{\text{N}}_{\text{2}}}\text{/vol}\text{. of C}{{\text{O}}_{\text{2}}}\]
done
clear
View Answer play_arrow
question_answer 130) A sleep movement in plants is a nastic response, that occurs daily in respose to :
A)
dark
done
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B)
light
done
clear
C)
water
done
clear
D)
both a and b
done
clear
View Answer play_arrow
question_answer 131) Plant hormones are :
A)
growth regulators
done
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B)
growth promoters
done
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C)
growth inhibitors
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 132) The most common auxin is :
A)
GA
done
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B)
ABA
done
clear
C)
kinetin
done
clear
D)
IAA
done
clear
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question_answer 133) Gibberellin promotes cell division and elongation in :
A)
leaves
done
clear
B)
roots
done
clear
C)
shoots
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 134) The deteriorative processes in plants, that naturally terminate their functional life, are collectively called :
A)
wilting
done
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B)
abscission
done
clear
C)
plasmolysis
done
clear
D)
senescence
done
clear
View Answer play_arrow
question_answer 135) Mendelian recombinations are due to :
A)
linkage
done
clear
B)
mutations
done
clear
C)
dominant characters
done
clear
D)
independent assortment
done
clear
View Answer play_arrow
question_answer 136) Chromosome number \[2n-1\] is an example of
A)
trisomy
done
clear
B)
euploidy
done
clear
C)
polyploidy
done
clear
D)
monosomy
done
clear
View Answer play_arrow
question_answer 137) Agrobactcrittin hinicfcidens contains a large plasmid, which induces tumour in the plants, it is termed as :
A)
Ti plasmid
done
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B)
Ri plasmid
done
clear
C)
recombinant plasmid
done
clear
D)
shine delgrano sequence
done
clear
View Answer play_arrow
question_answer 138) The organisms inhabiting a common environment belong to the same :
A)
species
done
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B)
genus
done
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C)
population
done
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D)
community
done
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question_answer 139) Minerals, metals and fossil fuels are which type of resources of energy ?
A)
renewable
done
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B)
non-renewable
done
clear
C)
biodegradable
done
clear
D)
degradable
done
clear
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question_answer 140) Foul smell in the water bodies of tanks ponds etc. is due to :
A)
aerobiosis
done
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B)
anaerobiosis
done
clear
C)
psammophytes
done
clear
D)
biological magnification
done
clear
View Answer play_arrow
question_answer 141) Ethology is the study of :
A)
behaviour of animals
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B)
past life of organism
done
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C)
disease causing pathogens
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 142) The study of molluscan is called :
A)
Nerology
done
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B)
Conchology
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C)
Malacology
done
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D)
Craniology
done
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question_answer 143) The globular proteins undergo structural changes, in response to extremes of pH or temperature, are called :
A)
renaturation
done
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B)
denaturation
done
clear
C)
combinahon
done
clear
D)
both a and b
done
clear
View Answer play_arrow
question_answer 144) Sex chromosomes are also known as :
A)
autosomes
done
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B)
allosomes
done
clear
C)
genome
done
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D)
karyotype
done
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View Answer play_arrow
question_answer 145) The lytic enzyme present in semen is :
A)
ligase
done
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B)
estrogenase
done
clear
C)
androgenase
done
clear
D)
hyaluronidase
done
clear
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question_answer 146) The fastest acting enzyme, in the biological kingdom, is :
A)
lipase
done
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B)
amylase
done
clear
C)
peptidase
done
clear
D)
carbonic anhydrase
done
clear
View Answer play_arrow
question_answer 147) Chymotrypsin is produced by :
A)
liver
done
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B)
pancreas
done
clear
C)
stomach
done
clear
D)
duodenum
done
clear
View Answer play_arrow
question_answer 148) In which of the following kingdom diatoms are placed ?
A)
Plantae
done
clear
B)
Fungi
done
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C)
Protozoans
done
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D)
Protista
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question_answer 149) Nucleus of Monocystis is :
A)
bilobed
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B)
spherical
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C)
multilobed
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D)
bean shaped
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question_answer 150) Plasmodium is an :
A)
endoparasite
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B)
ectoparasite
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C)
intercellular parasite
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D)
both a and b
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question_answer 151) Choanocyte is an ascon type of canal system, which is lined by :
A)
porocyte
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B)
incurrent
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C)
apopyle
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D)
spongocoel
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question_answer 152) Which of the following are also known as collar cells ?
A)
Choanocytes
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B)
Pinocytes
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C)
Thesocytes
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D)
Cnidoblast
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question_answer 153) Rostellum and hooks are absent in the scolex of :
A)
Taenia seginata
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B)
Taenia solium
done
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C)
Echinococcus granulosus
done
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D)
Fasciola hepatica
done
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question_answer 154) Coelom in Ascaris lumbricoides, is :
A)
truecoelom
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B)
pseudocoelom
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C)
schizocoelom
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D)
phycocoelom
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question_answer 155) Which of the following animal is sanguivorous?
A)
Ncivis
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B)
Tapeworm
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C)
Earthworm
done
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D)
Hirudinaria
done
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question_answer 156) Sand fly spreads a particular type of disease by its :
A)
proboscis
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B)
mandible
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C)
salivary gland
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D)
none of these
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question_answer 157) Which of the following belongs to the class Amphineura ?
A)
Chiton
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B)
Nautilus
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C)
Dentalium
done
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D)
Pinctada
done
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question_answer 158) Ambulacral system is mainly useful for :
A)
locomotion
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B)
circulation
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C)
feeding
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D)
defence
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question_answer 159) Swim bladder is present in :
A)
star fishes
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B)
bony fishes
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C)
carp fishes
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D)
all of these
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question_answer 160) The Indian salamander is :
A)
Siren
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B)
Toilotriton
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C)
Amblystoma
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D)
Necturus
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question_answer 161) The character of birds, without exception, is :
A)
omnivorous
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B)
Hying wings
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C)
beak without teeth
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D)
lay eggs with calcareous shell
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question_answer 162) Blood platelets are found only in the blood of:
A)
birds
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B)
reptiles
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C)
mammals
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D)
amphibians
done
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question_answer 163) Ligament connects :
A)
bone to bone
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B)
bone to muscle
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C)
muscle to muscle
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D)
both b and c
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question_answer 164) Which of the following fatty acid is not synthesised in the human body ?
A)
Glycerol
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B)
Cholesterol
done
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C)
Linoleic acid
done
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D)
Both a and b
done
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question_answer 165) Which of the following blood vessel in the circulatory system of frog has more deoxygenated blood ?
A)
Pulmonary artery
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B)
Precaval veins
done
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C)
Pulmocutaneous artery
done
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D)
Pulmocutaneous vein
done
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question_answer 166) Tachycardia is :
A)
fast heart rate
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B)
slow heart rate
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C)
stop heart rate
done
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D)
normal heart rate
done
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question_answer 167) Atrial natriuretic hormone is produced by:
A)
kidney
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B)
heart
done
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C)
duodenum
done
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D)
thyroid gland
done
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question_answer 168) Cells present in the inner lining of kidneys are:
A)
podocytes
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B)
choanocytes
done
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C)
pinocytes
done
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D)
nephrocytes
done
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question_answer 169) Which of the following does not control the heart beat ?
A)
Vagus
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B)
Epinephrine
done
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C)
Norepinephrine
done
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D)
Glossopharyngeal nerve
done
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question_answer 170) The egg of frog is :
A)
telolecithal
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B)
microlecithal
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C)
alecithal
done
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D)
centrolecithal
done
clear
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question_answer 171) Which of the following undergoes spermigenesis ?
A)
Spermatids
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B)
Spermatogonia
done
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C)
Primary spermatocytes
done
clear
D)
Secondary spermatocytes
done
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question_answer 172) Antifertilizin is present on :
A)
egg
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B)
tail
done
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C)
ovum
done
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D)
spermatozoa
done
clear
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question_answer 173) Swan neck flask experiment proved :
A)
biogenesis
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B)
abiogenesis
done
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C)
gene therapy
done
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D)
both a and b
done
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question_answer 174) Cosmozoic theory was proposed by :
A)
Helmholtz
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B)
Richter
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C)
Pasteur
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D)
Arrhenius
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question_answer 175) The idea, not related to the Darwinian evolutionary theory is :
A)
survival of the fittest
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B)
struggle for existence
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C)
inheritance of acquired characters
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D)
origin of species by natural selection
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question_answer 176) Which of the following has the least number of chromosomes?
A)
Amoeba
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B)
Drosophila
done
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C)
Pheretima
done
clear
D)
Ascaris niegalocrphala
done
clear
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question_answer 177) Exotoxins are related with :
A)
tetanus
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B)
diphtheria
done
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C)
cancer
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D)
both a and b
done
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question_answer 178) Argentaffin may arise in :
A)
pancreas
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B)
bile duct
done
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C)
intestinal tract
done
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D)
all of these
done
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question_answer 179) Which of these may cause hypothermia in humans?
A)
Smoking
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B)
LSD
done
clear
C)
Dopamine
done
clear
D)
Alcohol consumption
done
clear
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question_answer 180) Which of the following is a dual purpose breed?
A)
Sindhi
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B)
Deoni
done
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C)
Jersey
done
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D)
Sahiwal
done
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question_answer 181) Which structure of man is similar to spiracle of cockroach?
A)
Nostril
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B)
Bronchiole
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C)
Lungs
done
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D)
Alveoli
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question_answer 182) Name given to foossil hominid of Shivalik hills in India is :
A)
Ramapithecus
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B)
Australopithecus
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C)
Pithecanthropus
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D)
Neanderthalensis
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question_answer 183) Passive immunity can be obtained by in jecting:
A)
antibodies
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B)
antigen
done
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C)
antibiotic
done
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D)
vaccination
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question_answer 184) Vagina, oesophagus, urethra contain which type of tissue?
A)
Stratified squamous epithelium
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B)
Simple squamous epithelium
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C)
Ciliated epithelium
done
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D)
Columnar epithelium
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question_answer 185) In five kingdom system of classification of R.H, Whittaker, how many kingdoms contain eukaryotes ?
A)
Four kingdoms
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B)
One kingdom
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C)
Two kingdoms
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D)
Three kingdoms
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question_answer 186) Taemti solium is associated with :
A)
apolysis
done
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B)
strobilisation
done
clear
C)
Premonition
done
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D)
all of these
done
clear
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question_answer 187) Modern man is evolved :
A)
10000 years ago
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B)
25000 years ago
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C)
5000 years ago
done
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D)
50000 years ago
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question_answer 188) Improvement of human race is called :
A)
euthenics
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B)
human heredity
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C)
human demography
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D)
eugenics
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question_answer 189) Mammary glands are modified :
A)
sweat gland
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B)
sebaceous gland
done
clear
C)
lacrymal gland
done
clear
D)
endocrine gland
done
clear
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question_answer 190) Which one is incorrect?
A)
Shell fish-Pisces
done
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B)
Silver fish-Arthropoda
done
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C)
Cuttle hsh-Mollusca
done
clear
D)
Star fish-Echinodermata
done
clear
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question_answer 191) Inheritance of acquired characters comes under:
A)
Lamarck ism
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B)
Darwinism
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C)
Neo-Lamarckism
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D)
Neo-Darwinism
done
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question_answer 192) The mesozoic era is also called as :
A)
the golden age of the amphibians
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B)
the golden age of the reptiles
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C)
me golden age of the mammals
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D)
the golden age of the birds
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question_answer 193) Lungs ventilation movements is due to :
A)
coastal muscle and diaphragm
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B)
coastal muscle
done
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C)
diaphragm
done
clear
D)
wall of the lungs
done
clear
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question_answer 194) Average kilocalorie of energy needed by woman is:
A)
less than man
done
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B)
more than man
done
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C)
equal to man
done
clear
D)
can not be predicted
done
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question_answer 195) Which hormone helps in reabsorption of water from kidney ?
A)
ADH
done
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B)
STH
done
clear
C)
ACTH
done
clear
D)
TTH
done
clear
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question_answer 196) Loop of Henie is associated with :
A)
excretory system
done
clear
B)
respiratory system
done
clear
C)
reproductive system
done
clear
D)
digestive system
done
clear
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question_answer 197) Sexual mode of reproduction in Protozoa is :
A)
anisogamy
done
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B)
plasmogamy
done
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C)
plasmotomy
done
clear
D)
schizogony
done
clear
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question_answer 198) Which of the following is correct?
A)
99% of existed species are extinct
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B)
25% of existed species are extinct
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C)
40% of existed speciesare extinct
done
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D)
30% of existed species are extinct
done
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question_answer 199) Which of the following is an exclusive character of class Mammalia ?
A)
Homoiothermy
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B)
Internal fertilization
done
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C)
Presense of a 4-chambered heart
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D)
Presence of a muscular diaphragm
done
clear
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question_answer 200) Which of the following is quartan in periodicity ?
A)
P. malarias
done
clear
B)
P. vivax
done
clear
C)
P. ovale
done
clear
D)
P. falciparum
done
clear
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