question_answer 1) Interference may be seen using two independent
A)
sodium lamps
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B)
fluorescent tubes
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C)
lasers
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D)
mercury vapour lamps
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question_answer 2) The focal lengths of the objective and the eye piece of telescope are 100 cm and 10 cm respectively. The magnification of the telescope when final image is formed at infinity is
A)
0.1
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B)
10
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C)
100
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D)
\[\infty \]
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question_answer 3) An electromagnetic wave has
A)
electric vector only
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B)
magnetic vector only
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C)
electric and magnetic vectors perpendicular to each other
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D)
neither the electric vector nor the magnetic vector
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question_answer 4) 160W-60V lamp is connected at 60 V DC supply. The number of electrons passing through the lamp in 1 min is
A)
\[{{10}^{19}}\]
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B)
\[{{10}^{21}}\]
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C)
\[1.6\times {{10}^{19}}\]
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D)
\[1.4\times {{10}^{20}}\]
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question_answer 5) If a current is allowed to pass through a circuit consisting of two dissimilar metals, there is either evolution or absorption of heat at the junction, depending upon the direction of the current. The effect is known as
A)
See back effect
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B)
Joule effect
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C)
Peltier effect
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D)
Thomson effect
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question_answer 6) The energy of an X-ray photon of wavelength\[1\overset{\text{0}}{\mathop{\text{A}}}\,\,\text{is}\,\text{(h=6}\text{.6 }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{34}}}\text{J-s)}\]
A)
24.6 keV
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B)
6.1 keV
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C)
12.3 keV
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D)
1.2 keV
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question_answer 7) Gravitational field is
A)
conservative
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B)
non-conservative
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C)
electromagnetic
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D)
magnetic
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question_answer 8) According to Maxwells law of distribution of velocities of molecules, the most probable velocity is
A)
greater than the mean velocity
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B)
equal to the mean velocity
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C)
equal to the root mean square velocity
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D)
less than the root mean square velocity
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question_answer 9) The photons in a radio wave of wavelength \[3\times {{10}^{4}}cm\] have energy
A)
\[6.62\times {{10}^{-}}^{10}J\]
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B)
\[19.86\times {{10}^{-}}^{24}J\]
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C)
\[6.62\times {{10}^{-}}^{28}J\]
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D)
\[2.2\times {{10}^{-}}^{35}J\]
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question_answer 10) According to Bohrs theory of hydrogen atom, for the electron in the \[{{n}^{th}}\] allowed orbit the (i) linear momentum is proportional to 1/\[n\] (ii) radius is proportional to \[n\] (iii) kinetic energy is proportional to 1/\[n\]2 (iv) angular momentum is proportional to \[n\] Choose the correct option from the codes given below:
A)
(i), (iii), (iv)
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B)
(i)
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C)
(i), (ii)
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D)
(iii)
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question_answer 11)
In the circuit shown the equivalent resistance between A and B is
A)
27 \[\Omega \]
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B)
18 \[\Omega \]
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C)
90\[\Omega \]
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D)
3\[\Omega \]
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question_answer 12) When two sinusoidal waves moving at right angle to each other superimpose, they produce
A)
beats
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B)
interference
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C)
stationary waves
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D)
Lissajous figure
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question_answer 13)
Each of the properties if sound in List-1 primarily depends on one .f the quantities in List-11. Select the correct answer (matching List-1 with List-11) as per code given below the lists: List-I List-II (A) Loudness (1) Waveform (B) Pitch (2) Frequency (C) Quality (3) Intensity
Codes:
A)
A-1 B-2 3
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B)
A-3 B-2 1
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C)
A-2 B- 3 1
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D)
A-2 B- 1 3
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question_answer 14) One of the causes of the breadth of the spectral lines is
A)
Dopplers effect
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B)
dispersion
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C)
reflection
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D)
refraction
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question_answer 15) In a stationary wave represented by \[\text{Y=2acoskxsin }\!\!\omega\!\!\text{ t}\]the intensity at a certain point is maximum when
A)
\[\cos kx\] is maximum
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B)
\[\cos kx\] is minimum
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C)
sin \[\omega t\] is maximum
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D)
sin \[\omega t\] is minimum
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question_answer 16) If a big drop of water is broken into smaller drops the surface energy
A)
increases
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B)
decreases
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C)
remains unchanged
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D)
can increase as well as decrease
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question_answer 17)
Consider the mechanical vibrating systems shown in figures A, B, C and D The vibrations are simple harmonic in
A)
A, C
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B)
A, B, C
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C)
B, D
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D)
A, B, C, D
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question_answer 18) If the differential equation given by \[\frac{{{d}^{2}}y}{d{{t}^{2}}}+\,2K\frac{dy}{dt}+\,{{\omega }^{2}}y={{F}_{0}}\sin pt\]describes the oscillatory motion of body in a dissipative medium under the influence of a periodic force, then the state of maximum amplitude of the oscillation is a measure of
A)
free vibration
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B)
damped vibration
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C)
forced vibration
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D)
resonance
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question_answer 19) A grating which would be most suitable for constructing a spectrometer for the visible and ultraviolet region, should have
A)
100 lines/cm
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B)
1000 lines/cm
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C)
10000 lines/cm
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D)
1000000 lines/cm
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question_answer 20) Damping on sharpness of resonance has
A)
no effect
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B)
more damping, sharper resonance
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C)
less damping, sharper resonance
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D)
less damping, less sharp resonance
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question_answer 21) A superconducting material is
A)
ferromagnetic
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B)
ferroelectric
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C)
diamagnetic
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D)
paramagnetic
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question_answer 22) If the free electron density be n and relaxation time be t, the electrical conductivity of a conductor may be expressed as
A)
\[\frac{ne\tau }{{{m}_{e}}}\]
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B)
\[\frac{n{{e}^{2}}\tau }{{{m}_{e}}}\]
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C)
\[\frac{n{{e}^{2}}}{\tau {{m}_{e}}}\]
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D)
\[\frac{{{m}_{e}}{{e}^{2}}\tau }{n}\]
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question_answer 23) The spacing between the principal planes of a crystal is \[4\overset{\text{o}}{\mathop{\text{A}}}\,\]. It is found that first order bragg reflection of a beam of monochromatic X-rays occurs at an angle of 30°. The wavelength of X-rays is
A)
\[4\overset{\text{o}}{\mathop{\text{A}}}\,\]
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B)
\[2\overset{\text{o}}{\mathop{\text{A}}}\,\]
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C)
\[1\overset{\text{o}}{\mathop{\text{A}}}\,\]
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D)
\[1.5\overset{\text{o}}{\mathop{\text{A}}}\,\]
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question_answer 24) An ideal gas is allowed to expand freely against a vacuum in a rigid insulated container. The gas undergoes
A)
an increase in its internal energy
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B)
a decrease in its internal energy
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C)
neither an increase nor a decrease in its temperature or internal energy
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D)
a decrease in temperature
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question_answer 25) The relation between electric field vector \[\overrightarrow{\text{E,}}\] the displacement vector \[\overrightarrow{D,}\] and the polarization vector \[\overrightarrow{P,}\] for a dielectric placed in electric field \[\overrightarrow{E,}\] is given by
A)
\[\overrightarrow{\text{P}}={{\text{ }\!\!\varepsilon\!\!\text{ }}_{\text{0}}}\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{D}}\]
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B)
\[\overrightarrow{\text{P}}=\overrightarrow{\text{D}}\text{+}\overrightarrow{\text{E}}\]
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C)
\[\overrightarrow{\text{D}}={{\text{ }\!\!\varepsilon\!\!\text{ }}_{\text{0}}}\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{P}}\]
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D)
\[\overrightarrow{\text{E}}\text{+}\overrightarrow{\text{D}}\text{=}\overrightarrow{\text{P}}\]
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question_answer 26) If Youngs modulus of elasticity Y for a material is one and half times its rigidity coefficient \[n\], the Poisson ratio a will be
A)
\[+\frac{2}{3}\]
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B)
\[-\frac{1}{4}\]
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C)
\[+\frac{1}{4}\]
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D)
\[-\frac{1}{4}\]
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question_answer 27) Which one of the following is not a fundamental SI unit?
A)
Ampere
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B)
Candela
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C)
Newton
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D)
Kelvin
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question_answer 28)
The formula for horizontal range of a projectile is \[S=\frac{{{v}^{2}}{{\sin }^{2}}\theta }{2g}\] where v is initial speed, \[\theta \] angle of inclination and g is acceleration due to gravity. The Wheatstone bridge shown in figure can be used to determine the range if the following arrangement is made
A)
Q proportional to \[{{v}^{2}}\] P proportional to g R proportional to \[si{{n}^{2}}\] \[\theta \]
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B)
Q proportional to g P proportional to \[{{v}^{2}}\] R proportional to \[si{{n}^{2}}\]\[\theta \]
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C)
Q proportional to g P proportional to sin2 \[\theta \] R proportional to \[{{v}^{2}}\]
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D)
Q proportional to \[si{{n}^{2}}\] 6 P proportional to \[{{v}^{2}}\] R proportional to g
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question_answer 29) One Becquerel is defined as
A)
1 disintegration per sec
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B)
\[{{010}^{6}}\] disintegration per sec
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C)
\[3.7\times {{10}^{10}}\] disintegration per sec
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D)
\[{{10}^{3}}\]disintegration per sec
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question_answer 30) The shortest wavelength which can be obtained in hydrogen spectrum is \[(R={{10}^{7}}{{m}^{-1}})\]
A)
\[1000\overset{\text{o}}{\mathop{\text{A}}}\,\]
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B)
\[800\overset{\text{o}}{\mathop{\text{A}}}\,\]
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C)
\[1300\overset{\text{o}}{\mathop{\text{A}}}\,\]
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D)
\[2100\overset{\text{o}}{\mathop{\text{A}}}\,\]
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question_answer 31) In an ideal choke, ratio of its inductance L to its DC resistance R is
A)
infinity
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B)
zero
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C)
unity
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D)
hundred
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question_answer 32) A transformer is often filled with oil. The oil used should have
A)
low viscosity
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B)
high dielectric strength
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C)
low boiling point
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D)
high thermal conducting
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question_answer 33)
For the circuit shown in figure the potential difference between A and B will be (in volt)
A)
2
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B)
1.5
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C)
1.0
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D)
zero
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question_answer 34) An electron microscope is superior to an optical microscope in
A)
having better resolving power
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B)
being easy to handle
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C)
low cost
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D)
quickness of observation
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question_answer 35) A zener diode is used for
A)
rectification
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B)
modulation
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C)
detection
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D)
voltage regulation
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question_answer 36) A black body at a temperature of \[227{}^\circ C\] radiates heat at the rate of 5 cal cm\[^{-2}{{s}^{-1.}}.\] At a temperature of \[727{}^\circ C\] the rate of heat radiated per unit area in cal cm\[^{-2}{{s}^{-1.}}\] is
A)
400
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B)
80
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C)
40
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D)
15
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question_answer 37) With the rise of temperature the resistivity of a semiconductor
A)
remains unchanged
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B)
increases
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C)
decreases
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D)
first increases and then decreases
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question_answer 38) The terminal velocity of spherical ball of radius a falling through \[a\] viscous liquid is proportional to
A)
\[a\]
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B)
\[{{a}^{2}}\]
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C)
\[{{a}^{3}}\]
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D)
\[{{a}^{-1}}\]
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question_answer 39) The physical quantity which is not a unit of energy is
A)
volt-coulomb
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B)
MeV-sec
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C)
henry (ampere)2
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D)
ferad-(volt)2
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question_answer 40)
40. The above figure shows electric field E at a distance r in any direction from the origin O. The electric field E is due to
A)
a charged hollow metallic sphere of radius OP with centre at O
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B)
a charged solid metallic sphere of radius OP with centre at O
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C)
a uniformly charged non-conducting sphere of radius OP with centre at O
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D)
a uniformly charged non-conducting hollow sphere of radius OP with centre at O
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question_answer 41) 41. Good emitters are good absorbers is a statement concluded from
A)
Newtons law of cooling
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B)
Stefans law of radiation
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C)
Provosts theory
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D)
Kirchhoffs law
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question_answer 42)
42. In a photoelectric experiment the relation between applied potential difference between cathode and anode V and the photoelectric current I was found to be shown in graph below. If Plancks constant \[h=6.6\times {{10}^{-34}}J-s,\]the frequency of incident radiation would be nearly (in \[{{s}^{-1}}\])
A)
\[0.436\times {{10}^{18}}\]
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B)
\[0.436\times {{10}^{17}}\]
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C)
\[0.775\times {{10}^{15}}\]
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D)
\[0.775\times {{10}^{16}}\]
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question_answer 43) 43. For hydrogen atom electron in \[{{\text{n}}^{\text{th}}}\] Bohr orbit, the ratio of radius of orbit to its de-Broglie wavelength is
A)
\[\frac{n}{2\pi }\]
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B)
\[\frac{{{n}^{2}}}{2\pi }\]
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C)
\[\frac{1}{2\pi n}\]
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D)
\[\frac{1}{2\pi {{n}^{2}}}\]
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question_answer 44)
44. If the B-H curves of two samples of P and Q of iron are as shown below, then which one of the following statements is correct?
A)
Both P and Q are suitable for making permanent magnet
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B)
P is suitable for making permanent magnet and Q for making electromagnet
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C)
P is suitable for making electromagnet and Q is suitable for permanent magnet
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D)
Both P and Q are suitable for making electromagnets
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question_answer 45) 45. A current passing through a coil of self-inductance of 2 mH changes at the rate of 20 mA s-1. The emf induced in the coil is
A)
\[\text{10 }\!\!\mu\!\!\text{ V}\]
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B)
\[\text{40 }\!\!\mu\!\!\text{ V}\]
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C)
\[\text{10mV}\]
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D)
\[\text{10mV}\]
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question_answer 46) In the electrolytic cell electron flows from
A)
cathode to anode in solution
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B)
cathode to anode through external circuit
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C)
cathode to anode through internal circuit
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D)
anode to cathode through external circuit
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question_answer 47) In first order reaction, the concentration of reactant decreases from \[800mol\text{ }c{{m}^{-3}}\] to \[50mol\text{ }c{{m}^{-3}}\]in \[2\times {{10}^{4}}s\]. The rate constant is
A)
\[2\times {{10}^{4}}{{s}^{-1}}\]
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B)
\[3.45\times {{10}^{-5}}\,{{s}^{-1}}\]
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C)
\[1.386\times {{10}^{-4}}\,{{s}^{-1}}\]
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D)
\[2\times {{10}^{-4}}{{s}^{-1}}\]
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question_answer 48) \[{{H}_{3}}B{{O}_{3}}\] is
A)
mono basic acid and weak Lewis acid
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B)
mono basic and weak Bronsted acid
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C)
mono basic and strong Lewis acid
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D)
tri basic and weak Bronsted acid
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question_answer 49) During depression of freezing point in a solution, the following are in equilibrium
A)
liquid solvent-solid solvent
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B)
liquid solute-solid solute
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C)
liquid solute-solid solvent
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D)
liquid solvent-solid solute
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question_answer 50) Benzamide on reaction with \[POC{{l}_{3}}\] gives
A)
aniline
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B)
chlorobenzene
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C)
phenyl amine
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D)
phenyl nitrile
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question_answer 51) The acid having \[O-O\] bond is
A)
\[{{H}_{2}}{{S}_{2}}{{O}_{3}}\]
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B)
\[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]
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C)
\[{{H}_{2}}{{S}_{2}}{{O}_{8}}\]
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D)
\[{{H}_{2}}{{S}_{2}}{{O}_{6}}\]
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question_answer 52) A sodium salt on treatment with \[MgC{{l}_{2}}\] gives white precipitate on heating. The anion of sodium salt is
A)
\[HCO_{3}^{-}\]
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B)
\[CO_{3}^{2-}\]
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C)
\[NO_{3}^{-}\]
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D)
\[SO_{4}^{2-}\]
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question_answer 53) According to molecular orbital theory which is correct statement regarding \[{{O}_{2}}\]?
A)
Paramagnetic and bond order \[<O_{2}^{-}\]
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B)
Paramagnetic and bond order \[>O_{2}^{-}\]
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C)
Diamagnetic and bond order \[<O_{2}^{-}\]
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D)
Diamagnetic and bond order \[>O_{2}^{-}\]
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question_answer 54) Adsorption of gases on solid surface is exothermic since
A)
enthalpy is positive
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B)
entropy is negative
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C)
entropy increases
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D)
free energy increases
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question_answer 55) Which of the following is not oxidised by ozone?
A)
\[KI\]
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B)
\[FeS{{O}_{4}}\]
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C)
\[KMn{{O}_{4}}~\]
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D)
\[{{K}_{2}}Mn{{O}_{4}}\]
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question_answer 56) Which is necessary for conversion of butane-2-one into propanoic acid?
A)
Tollen reagent
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B)
Fehling solution
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C)
\[NaOH/{{I}_{2}}/{{H}^{+}}\]
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D)
\[NaOH/NaI/{{H}^{+}}\]
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question_answer 57) When phenyl magnesium bromide ^reacted with ethyl alcohol, product is
A)
phenol
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B)
r-butyl benzene
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C)
benzene
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D)
t-butyl phenyl ether
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question_answer 58) The number of radial nodes of 3s and 2p orbital are
A)
\[2,0\]
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B)
\[0,2\]
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C)
\[1,2\]
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D)
\[2,1\]
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question_answer 59) The ratio of rates of diffusion of helium and methane under same conditions of temperature and pressure will be
A)
\[4:1\]
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B)
\[2:1\]
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C)
\[1:1\]
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D)
\[1:2\]
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question_answer 60) A metal nitrate reacts with \[KI\] to give black precipitate which turns to orange on addition of \[KI\]. Metal is
A)
\[H{{g}^{2+}}\]
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B)
\[B{{i}^{3+}}\]
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C)
\[P{{b}^{2+}}\]
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D)
\[C{{u}^{+}}\]
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question_answer 61) 2-acetoxy benzoic acid is
A)
antiseptic
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B)
antibiotic
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C)
dye
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D)
aspirin
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question_answer 62) Silica is soluble in
A)
\[HCl\]
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B)
\[HN{{O}_{3}}\]
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C)
\[{{H}_{2}}S{{O}_{4}}\]
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D)
\[HF\]
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question_answer 63) The use of alums in purifying muddy water involves
A)
absorption
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B)
adsorption
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C)
dialysis
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D)
coagulation
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question_answer 64) Which type of metal form effective catalyst?
A)
Alkali metal
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B)
Transition metal
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C)
Alkaline earth metal
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D)
Radioactive metal
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question_answer 65) The rusting of iron is catalysed by
A)
\[Fe\]
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B)
\[{{O}_{2}}\]
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C)
\[{{H}^{+}}\]
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D)
\[Zn\]
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question_answer 66) IUPAC name of the following compound is\[\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{CN}{\mathop{\underset{|}{\mathop{C}}\,}}\,{{H}_{2}}\]
A)
1,2,3,-tricyanopropane
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B)
1,2,3-cyanopropane
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C)
1,2, 3-propanetrinitrile
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D)
3-cyano-l, 5-dinitrile
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question_answer 67) Standard free energy change for an equilibrium is zero, the value of \[{{K}_{p}}\] is
A)
zero
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B)
\[1\]
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C)
\[2\]
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D)
\[100\]
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question_answer 68) Hydrolysis of \[PC{{l}_{5}}\] gives
A)
\[{{H}_{3}}P{{O}_{3}}\]
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B)
\[HP{{O}_{3}}\]
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C)
\[{{H}_{3}}P{{O}_{2}}\]
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D)
\[{{H}_{3}}P{{O}_{4}}\]
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question_answer 69) Which is responsible for green house effect?
A)
Methane
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B)
\[C{{O}_{2}}\]
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C)
\[CO\]
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D)
\[{{N}_{2}}\]
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question_answer 70) In solid \[CuS{{O}_{4}}\]. \[5{{H}_{2}}O\] copper is coordinated to number of water molecules
A)
\[5\]
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B)
\[4\]
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C)
\[1\]
done
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D)
\[2\]
done
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question_answer 71) Most stable carbonium ion is
A)
\[p-N{{O}_{2}}-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]
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B)
\[{{C}_{6}}{{H}_{5}}CH_{2}^{+}\]
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C)
\[p-Cl-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]
done
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D)
\[p-C{{H}_{3}}O-{{C}_{6}}{{H}_{4}}-CH_{2}^{+}\]
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question_answer 72) \[0.2\text{ }molal\]acid HX ionises \[20%\]. \[{{k}_{f}}\]for acid is \[1.86\]\[molalit{{y}^{-1}}\]. Freezing point is
A)
\[-0.45\]
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B)
\[-0.50\]
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C)
\[-0.31\]
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D)
\[-0.53\]
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question_answer 73) Natural rubber is polymer of
A)
trans -isoprene
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B)
cis-isoprene
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C)
mixture of cis and trans-isoprene
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D)
None of the above
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question_answer 74) The most stable conformation of n-butane is
A)
skew
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B)
eclipsed
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C)
staggered
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D)
None of these
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question_answer 75) Antidote for carbon monoxide is
A)
carborundum
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B)
carbogen
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C)
carbonic acid
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D)
pure oxygen
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question_answer 76) Among the following, the molecule with highest dipole moment is
A)
\[C{{H}_{3}}Cl\]
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B)
\[C{{H}_{2}}C{{l}_{2}}\]
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C)
\[CHC{{l}_{3}}\]
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D)
\[CC{{l}_{4}}\]
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question_answer 77) Which are isoelectronic and is structural?
A)
\[NO_{3}^{-},CO_{3}^{2-}\]
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B)
\[S{{O}_{3}},NO_{3}^{-}\]
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C)
\[ClO_{3}^{-},CO_{3}^{2-}\]
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D)
\[CO_{3}^{2-},S{{O}_{3}}\]
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question_answer 78) The species having tetrahedral shape is
A)
\[{{[PdC{{l}_{4}}]}^{2-}}\]
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B)
\[[Ni(CN)]_{4}^{2-}\]
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C)
\[{{[Pd{{(CN)}_{4}}]}^{2-}}\]
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D)
\[{{[NiC{{l}_{4}}]}^{2-}}\]
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question_answer 79) Total number of lone pairs of electrons on Xe in \[XeO{{F}_{4}}\]is
A)
\[0\]
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B)
\[1\]
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C)
\[2\]
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D)
\[3\]
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question_answer 80) The number of nodal planes in \[{{p}_{x}}\]. orbital is
A)
\[1\]
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B)
\[2\]
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C)
\[3\]
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D)
\[0\]
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question_answer 81) Which has the highest nucleophilicity?
A)
\[{{F}^{-}}\]
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B)
\[O{{H}^{-}}\]
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C)
\[C{{H}_{3}}\]
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D)
\[N{{H}_{2}}\]
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question_answer 82) Which will exhibit geometrical isomerism?
A)
3-phenyl-l-butene
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B)
1-phenyl-2-butene
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C)
2-phenyl-l-butene
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D)
1, 1-diphenyl-l-propene
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question_answer 83) Which is the most thermodynamically stable allotropic form of phosphorus?
A)
Red
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B)
White
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C)
Black
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D)
Yellow
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question_answer 84) When \[Pb{{O}_{2}}\] reacts with cone \[HN{{O}_{3}}\], the gas evolved is
A)
\[N{{O}_{2}}\]
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B)
\[{{O}_{2}}\]
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C)
\[{{N}_{2}}\]
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D)
\[{{N}_{2}}O\]
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question_answer 85) In which crystal alternate tetrahedral voids are occupied?
A)
\[NaCl\]
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B)
\[Ca{{F}_{2}}\]
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C)
\[ZnS\]
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D)
\[N{{a}_{2}}O\]
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question_answer 86) In thermodynamics, a process is called reversible when
A)
surrounding and system change into each other
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B)
there is no boundary between system and surrounding
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C)
the surrounding are always in equilibrium with the system
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D)
the system changes into surrounding spontaneously
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View Answer play_arrow
question_answer 87) In the standardisation of \[N{{a}_{2}}{{S}_{2}}{{O}_{3}}\]using \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]by iodometry, the equivalent weight of \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\] is
A)
\[\frac{molecular\text{ }weight}{2}\]
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B)
\[\frac{molecular\text{ }weight}{6}\]
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C)
\[\frac{molecular\text{ }weight}{3}\]
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D)
same as molecular weight
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View Answer play_arrow
question_answer 88) The correct order of first ionisatibn potential is
A)
\[K>Na>Li\]
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B)
\[Be>Mg>Ca\]
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C)
\[B>C>N\]
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D)
\[Ge>Si>C\]
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question_answer 89) The slag formed in extraction of copper is
A)
\[CuFe{{S}_{2}}\]
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B)
\[C{{u}_{2}}O+FeS\]
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C)
\[C{{u}_{2}}S+FeO\]
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D)
\[FeSi{{O}_{3}}\]
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question_answer 90) The root mean square velocity of ideal gas at constant pressure varies with density as
A)
\[{{d}^{2}}\]
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B)
\[d\]
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C)
\[\sqrt{d}\]
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D)
\[\frac{1}{\sqrt{d}}\]
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question_answer 91) Insectivorous plant grow generally in soil that are deficient in
A)
water
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B)
nitrogen
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C)
potassium
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D)
calcium
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question_answer 92) While entering in the neck of a fern archegonium, sperm shows
A)
phototaxy
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B)
chemotaxy
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C)
thermotaxy
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D)
cyclosis
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question_answer 93) Plants which flower only once in their life are termed as
A)
monochlamydous
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B)
monocious
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C)
monocarpic
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D)
monosomic
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question_answer 94) Triticum vulgare has been found to be presently evolved as
A)
diploid
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B)
tetraploid
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C)
pentaploid
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D)
hexaploid
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question_answer 95) Which of the following clogs the cavity of the xylem vessels ?
A)
Tyiosis
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B)
Cystolith
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C)
Hydathode
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D)
Raphide
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question_answer 96) Which of the following has multiflagellate sperms?
A)
Equisetum
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B)
Riccia
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C)
Lycopodium
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D)
Anthoceros
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question_answer 97) Which of the following is known as bog moss?
A)
Polytrichum
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B)
Funaria
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C)
Sphagnum
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D)
Porella
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question_answer 98) Which of the following is known as bog moss?
A)
Pinus
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B)
Rhynia
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C)
Gnetum
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D)
Ginkgo
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question_answer 99) Which of following is connecting link between glycolysis and Krebs cycle?
A)
Pyruvic acid
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B)
Isocitric acid
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C)
Acetyle Co-A
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D)
Phosphoglyceric acid
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question_answer 100) The respirator) process of yeast is
A)
rarely anaerobic
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B)
anaerobic
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C)
purely aerobic
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D)
Both (a) and (b)
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question_answer 101) Which of the following is important source of edible protein ?
A)
Spirogyra
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B)
Porphyra
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C)
Spirulina
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D)
Cephaleuros
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question_answer 102) The male gametophyte in angiosperm is reduced to
A)
one cell
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B)
two cells
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C)
three cells
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D)
four cells
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question_answer 103) Recently discovered anti-cancer drug is obtained from
A)
Taxus
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B)
Tagetes
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C)
Tamarix
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D)
Thea
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question_answer 104) The plant hormone produced by Rhizobium for nodulation is
A)
IBA
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B)
NAA
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C)
2,4-D
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D)
IAA
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question_answer 105) The tunica-corpus theory was proposed by
A)
Hofmeister
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B)
Nageli
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C)
Strasburger
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D)
Schmidt
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question_answer 106) The part of castor seed that yields oil is
A)
cotyledon
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B)
caruncle
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C)
endosperm
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D)
nucellus
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question_answer 107) The character found only in halophytes is
A)
sunken stomata
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B)
vivipary
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C)
velamen tissue
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D)
heterophylly
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question_answer 108) A hyaline bisexual and self-fertilized flower that does not open at all is
A)
chasmogamaus
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B)
apogamous
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C)
cleistogamous
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D)
polygamous
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question_answer 109) Modification of petiole into leaf like structure is called
A)
cladode
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B)
phylloclade
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C)
phyllode
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D)
pistillode
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question_answer 110) Which one of the following is a pseudocarp?
A)
Apple
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B)
Guava
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C)
Tomato
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D)
Banana
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question_answer 111) The part of the flower of Crocus that yields saffron is
A)
calyx
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B)
corolla
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C)
perianth
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D)
style and stigma
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question_answer 112) Largest moss is
A)
Pogonatum
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B)
Funaria
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C)
Dawsonia
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D)
Polytrichum
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question_answer 113) Oil is reserve food in
A)
Chlamydomonas
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B)
Oedogonium
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C)
Vaucheria
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D)
Chara
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question_answer 114) Which of the following statement is correct?
A)
Viruses are obligate parasites
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B)
All fungi are pathogenic
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C)
All algae are eukaryotes
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D)
Bacteria are always harmful to mankind
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View Answer play_arrow
question_answer 115) Late blight of potato is caused by
A)
Cystopus
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B)
Phytophthora
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C)
Alternaria
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D)
Ustilago
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question_answer 116) Viruses contain
A)
only RNA
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B)
only DNA
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C)
either DNA or RNA
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D)
neither DNA nor RNA
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question_answer 117) The fungus without mycelium is
A)
Puccmia
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B)
Phytophthora
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C)
Rhizopus
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D)
Saccharomyces
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question_answer 118) A T-series bacteriophage can be recognized by its
A)
tadpole shape
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B)
rounded shape
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C)
irregular shape
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D)
rhomboidal shape
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question_answer 119) In gymnosperms, the seeds are naked because they lack
A)
integument
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B)
nucellus
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C)
pericarp
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D)
perianth
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question_answer 120) The smallest free living organism is
A)
virus
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B)
mycoplasma
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C)
diatom
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D)
cyano bacterium
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question_answer 121) Name the fungus that is edible
A)
Penidllium
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B)
Mucor
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C)
Rhizopus
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D)
Morchella
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question_answer 122) Characters of both conifers and cycads are found in
A)
Ginkgo
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B)
Ephedra
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C)
Cupressus
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D)
Tsuga
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question_answer 123) Cork is obtained from
A)
Quercus suber
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B)
Pinus roxburghii
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C)
Cedrus deodara
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D)
Mangifera indica
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question_answer 124) The number of ATP molecules required to initiate (3-oxidation is
A)
1
done
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B)
2
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C)
3
done
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D)
4
done
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question_answer 125) Sprouting of potato under storage condition can be prevented by
A)
auxin
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B)
gibberellin
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C)
ethylene
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D)
cytokinin
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question_answer 126) The components of PS-I are located on the
A)
stroma
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B)
stroma thylakoid
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C)
granum thylakoid
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D)
outer surface of stromal and granal thylakoid
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question_answer 127) Photolysis of water during photosynthesis occurs with the help of
A)
PS-II
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B)
PS-I
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C)
ferredoxin
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D)
cytochrome
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question_answer 128) The lock and key theory of enzyme structure and function was proposed by
A)
Morgan
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B)
Robertson
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C)
Brown
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D)
Fischer
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question_answer 129) For good growth of pollen tube, necessary element is
A)
Ca
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B)
B
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C)
Mg
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D)
Mo
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question_answer 130) The organelle associated with photorespiration is
A)
lysosome
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B)
peroxisome
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C)
glyoxysome
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D)
spherosome
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question_answer 131) The mutagenic agent among following is
A)
ethyl methane
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B)
ethylene
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C)
2, 4-D
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D)
IAA
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question_answer 132) The number of bases per helical turn in ZDNA is
A)
10
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B)
11
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C)
12
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D)
13
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question_answer 133) Ribosomal RNA (rRNA) is synthesized in
A)
nucleolus
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B)
nucleosome
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C)
cytoplasm
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D)
ribosome
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question_answer 134) Green-house effect with respect to global climate refers to
A)
cooling and moist condition
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B)
warming effect
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C)
increase rainfall and greenery
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D)
desertification
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question_answer 135) Plant length is increased by
A)
apical meristem
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B)
lateral meristem
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C)
dermatogens
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D)
periblem
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question_answer 136) Contractile vacuoles in Protozoa serve the purpose of
A)
water circulation
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B)
digestion
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C)
osmoregularion
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D)
excretion
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question_answer 137) A cell organelle that is exceptionally rich in hydrolytic enzymes is
A)
ribosome
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B)
endoplasmic reticulum
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C)
lysosome
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D)
mitochondria
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question_answer 138) Pearls are produced by the animals of phylum
A)
Annelida
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B)
Arthropoda
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C)
Mollusca
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D)
Echinodermata
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question_answer 139) An analysis of a DNA (double stranded) sample yielded 18% cytosine. What would be the percentage of other base ion this sample?
A)
T-32%, A-32%, G-18%
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B)
T-32%, A-18%, G-32%
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C)
T-18%, A-32%, G-32%
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D)
T-40%, A-22%, G-20%
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question_answer 140) Which of the following is not related to sex chromosome X or Y?
A)
Turners syndrome
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B)
Klinefelters syndrome
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C)
Downs syndrome
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D)
Haemophilia and colour blindness
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question_answer 141) Which of the following is a part of pectoral girdle?
A)
Ilium
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B)
Ischium
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C)
Acetabulum
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D)
Glenoid cavity
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question_answer 142) Gir sanctuary is mainly for
A)
rhino
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B)
tiger
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C)
lion
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D)
elephant
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question_answer 143) Which of the following organs is called the graveyard of RBCs?
A)
Thymus
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B)
Liver
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C)
Spleen
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D)
Kidney
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question_answer 144) Cyanides like KCN, NaCN are lethal to humans because they
A)
interfere with protein synthesis
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B)
stop the electron transport chain in the last step by combining with cytochrome oxidase
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C)
stop DNA-replication
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D)
induce accumulation of waste materials inside the cell
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question_answer 145) Which one is an iron storage protein?
A)
Myosin
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B)
Glutelin
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C)
Ferritine
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D)
Immunoglobulin
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question_answer 146) The genetic material of AIDS virus in
A)
double stranded DNA
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B)
double stranded RNA
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C)
single stranded RNA
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D)
single stranded DNA
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question_answer 147) Lac is produced by lac insect as
A)
secretion from the body
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B)
excretion from the body
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C)
faecal matter
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D)
excess food oozing out of body
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question_answer 148) Water vascular system is characteristic of
A)
Protozoa
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B)
Porifera
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C)
Annelida
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D)
Echinodermata
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question_answer 149) Science, which deals with the study of ageing is known as
A)
Teratology
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B)
Gerontology
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C)
Limnology
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D)
Palaeontology
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question_answer 150) Taxonomically, which of the following set is matched correctly?
A)
Cattle fish, jelly fish, silver fish
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B)
Bat, pigeon, kite
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C)
Lobsters, spider, shrimps
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D)
Oyster, otter, Octopus
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question_answer 151) Which of the following is not a restriction endonuclease?
A)
EcoRI
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B)
Hind-III
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C)
Pst-I
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D)
DNAse-I
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question_answer 152) Who proposed theory of imprinting?
A)
Niko Tinbergen
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B)
Charles Darwin
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C)
Konrad Lorenz
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D)
Karl Van Frish
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question_answer 153) Which of the following has a triple helix structure?
A)
Haemoglobin
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B)
Keratin
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C)
Lysozyme
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D)
Collagen
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question_answer 154) Which of the following statement is true?
A)
Saltatory conduction is seen in non-myelinated nerve fibres
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B)
Nissls granules are found in muscle fibres
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C)
Non-myelinated nerve fibres do not possess nodes of Ranvier
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D)
Non-myelinated nerve fibres are completely enclosed by myelin sheath
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question_answer 155) Which combination is mismatched?
A)
Vitamin-D-Rickets
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B)
Thiamine-Beri-beri
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C)
Vitamin-K-Sterility
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clear
D)
Niacin-Pellagra
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question_answer 156) Which of the following gases does not cause acid rain?
A)
Sulphur dioxide
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B)
Methane
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C)
Nitrous oxide
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D)
Carbon monoxide
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question_answer 157) Five-kingdom scheme to classify living beings has been proposed by
A)
J B S Haldane
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B)
G G Simpson
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C)
E Mayr
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D)
RH Whittaker
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question_answer 158) Sea horse is
A)
a bird
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B)
a mammal
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C)
an amphibian
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D)
a fish
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question_answer 159) The centrum of eighth vertebra of frog is
A)
procoelous
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B)
heterocoelous
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C)
amphicoelous
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D)
opisthocoelous
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question_answer 160) The terminal end of chromosomes is called
A)
centromere
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B)
telomere
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C)
chromomere
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D)
metamere
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question_answer 161) Which one of the following animals lay eggs yet the female secretes milk?
A)
Bat
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B)
Kangaroo
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C)
Platypus
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D)
Ostrich
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question_answer 162) Which one of the following amino acids is not found in proteins?
A)
Arginine
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B)
Ornithine
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C)
Aspartic acid
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D)
Tyrosine
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question_answer 163) In human eyes, colour perception is done by
A)
rod cells only
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B)
cone cells only
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C)
Both (a) and (b)
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D)
choroid layer cells
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question_answer 164) ADH regulates the permeability of
A)
proximal convoluted tubule
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B)
collecting tubule and distal convoluted tubule
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C)
ascending limb of loop of Henie
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D)
descending limb of loop of Henie
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question_answer 165) Which of the following embryonic membranes structure is excretory in function?
A)
Amnion
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B)
Allantois
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C)
Yolk sac
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D)
Vitelline chorion
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question_answer 166) Which of the following is a mismatch?
A)
Giraffe Lamarck
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B)
Drosophila Morgan
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C)
Galapagos island Darwins finches
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D)
Origin of species Mendel
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question_answer 167) Most of the carbon dioxide is transported in blood as
A)
a gas
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B)
carbaminohaemoglobin
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C)
serum carbaminoproteins
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D)
HCOl
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question_answer 168) Which of the following type of cartilage is found in intervertebral disc of mammal?
A)
Hyaline cartilage
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B)
Fibrous cartilage
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C)
Calcified cartilage
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D)
Elastic cartilage
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question_answer 169) Archaeopteryx is
A)
a living fossil
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B)
a mammal
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C)
aconnecting link between Annelida and Arthropoda
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D)
a connecting link between reptiles and birds
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question_answer 170) Ink glands are found in
A)
sponge
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B)
star fish
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C)
sepia
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D)
jelly fish
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question_answer 171) Which of the following is a harmful social insect?
A)
Termite
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B)
Bombyx mori
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C)
Tachardia lacca
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D)
Apis indica
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question_answer 172) The largest endangered bird in India is
A)
vulture
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B)
flamingo
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C)
great Indian bustard
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D)
great Indian hornbill
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question_answer 173) A woman has a haemophilic son and three normal children. Her genotype and that of her husband with respect to this gene would be
A)
\[XX\] and \[{{X}^{h}}Y\]
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B)
\[{{X}^{h}}Y\] and \[{{X}^{h}}Y\]
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C)
\[{{X}^{h}}{{Y}^{h}}\] and \[XY\]
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D)
\[{{X}^{h}}X\] and \[XY\]
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question_answer 174) The causative agent of filaria is
A)
Wuchereria bancrofti
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B)
Leishmania donovani
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C)
Plasmodium vivax
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D)
Trypanosoma gambiens
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question_answer 175) The copying of mRNA to DNA is known as
A)
replication
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B)
transcription
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C)
translation
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D)
reverse transcription
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question_answer 176) Which of the following does not make a nest of its own?
A)
Crow
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B)
Parrot
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C)
Cuckoo
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D)
Sparrow
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question_answer 177) Which of the following is not a defence evolved by a prey to avoid predators?
A)
Ejection of noxious chemicals
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B)
Possession of toxic hairs
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C)
Mimicry of inedible objects
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D)
Secretion of pheromones
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question_answer 178) The sea snakes have
A)
cylindrical tail
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B)
dry horny scale at tail end
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C)
laterally compressed tail
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D)
dorsoventrally flattened tail
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question_answer 179) Pernicious anaemia is caused due to
A)
absence of vitamin-K
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B)
lack of vitamin\[-{{B}_{12}}\]
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C)
lack of vitamin-C
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D)
presence of intrinsic factor
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question_answer 180) How many molecules of oxygen can bind to a molecule of haemoglobin?
A)
One
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B)
Two
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C)
Three
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D)
Four
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