question_answer 1) In a non-resonant circuit, what will be the nature of the circuit for frequencies higher than the resonant frequencies?
A)
Resistive
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B)
Capacitive
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C)
Inductive
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D)
None of these
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question_answer 2) A particle of mass m is moving in a circular path of constant radius r such that centripetal acceleration a c varying with time is \[{{10}^{-6}}{{m}^{2}}\], where k is a constant. What is the power delivered to the particle by the force acting on it?
A)
\[{{10}^{29}}\]
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B)
\[250\times {{10}^{-3}}m/s\]
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C)
\[25\times {{10}^{-3}}m/s\]
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D)
\[2.50\times {{10}^{-3}}m/s\]
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question_answer 3) Rain is falling vertically downwards with a velocity of 4 km/h. A man walks in the rain with a velocity of 3 km/h. The raindrops will falls on the man with a velocity of
A)
\[1.25\times {{10}^{3}}m/s\]
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B)
\[\frac{hv}{4}\]
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C)
\[\frac{hv}{3}\]
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D)
\[\frac{hv}{2}\]
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question_answer 4) Change in frequency due to Dopplers effect is produced when,
A)
the source and the observer are moving: in same direction
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B)
the source and the observer are both at rest
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C)
there is a relative motion between the source and the observer
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D)
there is a resultant motion between the source and observer
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question_answer 5) There is a current of 40 A in a wire of \[\frac{2hv}{3}\] area of cross-section. If the number of free electrons per cubic metre is \[30\mu A\], then the drift velocity is
A)
\[90\mu A\]
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B)
\[4mA\]
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C)
\[2mA\]
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D)
\[3.6mA\]
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question_answer 6) The velocity of the most energetic electrons emitted from a metallic surface is doubled when the frequency v of the incident radiation is doubled. The work function of this metal is
A)
\[1.8mA\]
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B)
\[62V,\,\,2\Omega \]
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C)
\[63V,\,\,1\Omega \]
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D)
\[61V,\,\,1\Omega \]
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question_answer 7) In a transistor circuit, the base current changes from \[64V,\,\,2\Omega \] to \[15min\]. If the current gain of the transistor is 30, the change in the collector current is
A)
\[20\text{ }min\]
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B)
\[7.5min\]
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C)
\[25min\]
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D)
\[\frac{\omega M}{M+m}\]
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question_answer 8) The potential difference across the terminals of a battery is 50V when 11 A current is drawn and 60V when 1 A current is drawn. The emf and the internal resistance of the battery, are
A)
\[\frac{\omega M}{M+m}\]
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B)
\[{{a}_{c}}={{k}^{2}}{{r}^{2}}{{t}^{2}},\]
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C)
\[2mk{{r}^{2}}t\]
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D)
\[mk{{r}^{2}}{{t}^{2}}\]
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question_answer 9) Two similar heater coils separately take 10 min to boil a certain amount of water. If both coils are connected in series, then time taken to boil the same amount of water will be
A)
\[m{{k}^{2}}{{r}^{2}}t\]
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B)
\[m{{k}^{2}}r{{t}^{2}}\]
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C)
\[1\text{ }km/h\]
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D)
\[\text{3 }km/h\]
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question_answer 10) A thin circular ring of mass M and radius R is rotating about its axis with a constant angular velocity co. Two objects each of mass m are connected gently to the ring. The ring now rotates with an angular velocity of
A)
\[\text{4 }km/h\]
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B)
\[\text{5 }km/h\]
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C)
\[{{10}^{-6}}{{m}^{2}}\]
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D)
\[{{10}^{29}}\]
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question_answer 11) When a van der Waals gas undergoes free expansion, then its temperature
A)
decreases
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B)
increases
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C)
does not change
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D)
depends upon the nature of the gas
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question_answer 12)
In a gravitational force field, a particle is taken from A to B along different paths as shown in figure. Then,
A)
work done along path I will be maximum
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B)
work done along path III will be maximum
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C)
work done along path IV will be maximum
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D)
work done along all the paths will be the same
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question_answer 13) When 1 cm thick surface is illuminated with light of wavelength \[250\times {{10}^{-3}}m/s\], the stopping potential is V. When the same surface is illuminated by light of wavelength \[25\times {{10}^{-3}}m/s\], the stopping potential is \[2.50\times {{10}^{-3}}m/s\]. Threshold wavelength for metallic surface is
A)
\[1.25\times {{10}^{3}}m/s\]
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B)
\[\frac{hv}{4}\]
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C)
\[\frac{hv}{3}\]
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D)
\[\frac{hv}{2}\]
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question_answer 14) The Reynolds number of a flow is the ratio of
A)
gravity to viscous force
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B)
gravity force to pressure force
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C)
inertia force to viscous force
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D)
viscous force to pressure force
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question_answer 15)
The equivalent resistance between the points X and Y in the circuit shown is
A)
\[\frac{2hv}{3}\]
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B)
\[30\mu A\]
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C)
\[90\mu A\]
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D)
\[4mA\]
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question_answer 16) A projectile is thrown in the upward direction making an angle of \[2mA\] with the horizontal direction with a velocity of 147 m/s. Then, the time after which its inclination with the horizontal is \[3.6mA\], is
A)
\[1.8mA\]
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B)
\[62V,\,\,2\Omega \]
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C)
\[63V,\,\,1\Omega \]
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D)
\[61V,\,\,1\Omega \]
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question_answer 17) The angle of minimum deviation for a glass prism is equal to its refracting angle. The refractive index of the glass is 1.5. Then, the! angle of prism is
A)
\[64V,\,\,2\Omega \]
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B)
\[15min\]
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C)
\[20\text{ }min\]
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D)
\[7.5min\]
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question_answer 18) A square of side 3 cm is located at a distance of 25 cm from a concave of square, is at the axis of the mirror and the plane is normal to axis of mirror. The area enclosed by the image of the square is
A)
\[25min\]
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B)
\[\frac{\omega M}{M+m}\]
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C)
\[\frac{\omega (M-2M)}{M+2m}\]
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D)
\[\frac{\omega (M-2M)}{M+2m}\]
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question_answer 19) Solar spectrum at the time of total solar eclipse is
A)
line emission spectrum
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B)
line absorption spectrum
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C)
continuous emission spectrum
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D)
band absorption spectrum
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question_answer 20) A stone is dropped into a well, if the depth of water below the top be h and the velocity of sound is \[{{a}_{c}}={{k}^{2}}{{r}^{2}}{{t}^{2}},\], then the splash in water is hear after T sec. Then,
A)
\[2mk{{r}^{2}}t\]
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B)
\[mk{{r}^{2}}{{t}^{2}}\]
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C)
\[m{{k}^{2}}{{r}^{2}}t\]
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D)
\[m{{k}^{2}}r{{t}^{2}}\]
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question_answer 21) Zener diodes are used for
A)
rectification
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B)
amplification
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C)
stabilization
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D)
production of carries waves
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question_answer 22) Forces 5N, 12N and 13N are in equilibrium If \[1\text{ }km/h\]. then the angle between 5N force and 13N force is
A)
\[\text{3 }km/h\]
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B)
\[\text{4 }km/h\]
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C)
\[\text{5 }km/h\]
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D)
\[{{10}^{-6}}{{m}^{2}}\]
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question_answer 23) The angular speed of the earths rotation about its axis is \[{{10}^{29}}\]. Its speed increases x times to make effective acceleration due to gravity equal to zero. At the equator, x is
A)
\[250\times {{10}^{-3}}m/s\]
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B)
\[25\times {{10}^{-3}}m/s\]
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C)
\[2.50\times {{10}^{-3}}m/s\]
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D)
\[1.25\times {{10}^{3}}m/s\]
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question_answer 24) Two resistors \[\frac{hv}{4}\]. and \[\frac{hv}{3}\]. are connected in series with 6V battery. The potential difference measured by voltmeter of \[\frac{hv}{2}\] across \[\frac{2hv}{3}\], resistor is
A)
\[30\mu A\]
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B)
\[90\mu A\]
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C)
\[4mA\]
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D)
\[2mA\]
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question_answer 25) In a cassette player, materials used for coating magnetic tapes are
A)
cobalt
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B)
\[3.6mA\]
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C)
nickel
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D)
iron
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question_answer 26) Mass of 2 kg is moving with a string in horizontal circle with angular velocity 5 cycle/min. Keeping the radius constant, tension in string is doubled. Now, the angular velocity of the mass will be
A)
\[1.8mA\]
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B)
\[62V,\,\,2\Omega \]
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C)
\[63V,\,\,1\Omega \]
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D)
\[61V,\,\,1\Omega \]
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question_answer 27) If the number of turns in moving coil galvanometer become half, then the deflection for the same current will become
A)
same
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B)
half
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C)
double
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D)
four times
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question_answer 28) 40 cal of heat is required to raise the temperature of 2 mol of an ideal gas at constant pressure from \[64V,\,\,2\Omega \] to \[15min\]. The amount of heat required to raise the temperature of the same. Sample of the gas through the same range of temperature (\[20\text{ }min\]to\[7.5min\] ) at constant volume will be (gas constant = 2 cal/mol)
A)
\[25min\]
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B)
\[\frac{\omega M}{M+m}\]
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C)
\[\frac{\omega (M-2M)}{M+2m}\]
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D)
\[\frac{\omega (M+2M)}{M}\]
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question_answer 29) A Light Emitting Diode (LED) has a voltage drop of 2V across it and passes a current of 10mA, when it operates with a 6V battery through a limiting resistor R, the value of R is
A)
\[\frac{\omega (M+2M)}{M}\]
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B)
\[{{a}_{c}}={{k}^{2}}{{r}^{2}}{{t}^{2}},\]
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C)
\[2mk{{r}^{2}}t\]
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D)
\[mk{{r}^{2}}{{t}^{2}}\]
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question_answer 30) The dimension of \[m{{k}^{2}}{{r}^{2}}t\](\[m{{k}^{2}}r{{t}^{2}}\]=Stefans constant and b = Weins constant) are
A)
\[1\text{ }km/h\]
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B)
\[\text{3 }km/h\]
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C)
\[\text{4 }km/h\]
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D)
\[\text{5 }km/h\]
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question_answer 31) When \[{{10}^{-6}}{{m}^{2}}\] electrons are removed from a neutral metal place plate, the electric charge on it is
A)
\[{{10}^{29}}\]
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B)
\[250\times {{10}^{-3}}m/s\]
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C)
\[25\times {{10}^{-3}}m/s\]
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D)
\[2.50\times {{10}^{-3}}m/s\]
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question_answer 32) A coil of cross-sectional area \[1.25\times {{10}^{3}}m/s\] having 30 turns is making 1800 rev/min in a magnetic field of 1 T. The peak value of the induced emf is
A)
\[\frac{hv}{4}\]
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B)
\[\frac{hv}{3}\]
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C)
\[\frac{hv}{2}\]
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D)
\[\frac{2hv}{3}\]
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question_answer 33) A body of length 1 m having cross-sectional area \[30\mu A\] has heat flow through it at the rate of 6000 J/s. Then, find the temperature difference if \[90\mu A\].
A)
\[4mA\]
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B)
\[2mA\]
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C)
\[3.6mA\]
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D)
\[1.8mA\]
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question_answer 34) A motor cycle racer takes a round with speed of 20m/s in a curvature of radius of R=40 m, then the leaning angle of motor cycle for safe turn is(\[62V,\,\,2\Omega \])
A)
\[63V,\,\,1\Omega \]
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B)
\[61V,\,\,1\Omega \]
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C)
\[64V,\,\,2\Omega \]
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D)
\[15min\]
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question_answer 35) Gauss law of gravitation is
A)
\[20\text{ }min\]
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B)
\[7.5min\]
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C)
\[25min\]
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D)
All of these
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question_answer 36) Three masses of 2 kg, 4 kg and 4 kg are placed at the three points (1, 0, 0), (1, 1, 0) and (0, 1, 0) respectively. The position vector of its centre of mass is
A)
\[\frac{\omega M}{M+m}\]
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B)
\[\frac{\omega (M-2M)}{M+2m}\]
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C)
\[\frac{\omega (M+2M)}{M}\]
done
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D)
\[\frac{\omega M}{M+2m}\]
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question_answer 37) For which of the following process is the entropy charge zero?
A)
Isobaric
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B)
Isothermal
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C)
Adiabatic
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D)
None of these
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question_answer 38) Two pendulums have time periods T and \[\frac{\omega M}{M+2m}\] They starts SHM at the same time from the mean position. What will be the phase difference between them after the bigger pendulum completed one oscillation?
A)
\[{{a}_{c}}={{k}^{2}}{{r}^{2}}{{t}^{2}},\]
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B)
\[2mk{{r}^{2}}t\]
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C)
\[mk{{r}^{2}}{{t}^{2}}\]
done
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D)
\[m{{k}^{2}}{{r}^{2}}t\]
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question_answer 39) The value of P so that the vectors \[m{{k}^{2}}r{{t}^{2}}\], \[1\text{ }km/h\] and 3i+Pj+5k are coplanar should be
A)
\[\text{3 }km/h\]
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B)
\[\text{4 }km/h\]
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C)
\[\text{5 }km/h\]
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D)
\[{{10}^{-6}}{{m}^{2}}\]
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question_answer 40) Application of a forward bias to a p-n junction
A)
increases the number of donors on the n-side
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B)
increases the electric field in the depletion zone
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C)
increases the potential difference across the depletion zone
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D)
hidden the depletion zone
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question_answer 41) A particle moves in xy-plane according to rule \[{{10}^{29}}\] and \[250\times {{10}^{-3}}m/s\]. The particle follows
A)
an elliptical path
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B)
a circular path
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C)
a parabolic path
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D)
a straight line path inclined equally to x and y-axis
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question_answer 42) What is the angular velocity of the earth?
A)
\[25\times {{10}^{-3}}m/s\]
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B)
\[2.50\times {{10}^{-3}}m/s\]
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C)
\[1.25\times {{10}^{3}}m/s\]
done
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D)
\[\frac{hv}{4}\]
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question_answer 43) The temperature coefficient of resistance of a wire is \[\frac{hv}{3}\]. Its resistance is \[\frac{hv}{2}\]. At 300 K resistance will be \[\frac{2hv}{3}\], at
A)
\[30\mu A\]
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B)
\[90\mu A\]
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C)
\[4mA\]
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D)
\[2mA\]
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question_answer 44) To send 10% of the main current through a moving coil galvanometer of resistance \[3.6mA\], the shunt required is
A)
\[1.8mA\]
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B)
\[62V,\,\,2\Omega \]
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C)
\[63V,\,\,1\Omega \]
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D)
\[61V,\,\,1\Omega \]
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question_answer 45) In Millikans oil drop experiment, a charged drop of mass \[64V,\,\,2\Omega \] is stationary between the plates. The distance between the plates is 0.9 cm and potential difference between the plates is 2000 V. The number of electrons on the oil drop is
A)
\[15min\]
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B)
\[20\text{ }min\]
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C)
\[7.5min\]
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D)
\[25min\]
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question_answer 46) White light is used to illuminate the two slits in a Youngs double slit experiment. The separation between the slits is b and the screen is at a distance d (> b) from the slits, At a point on the screen directly in front of one of slits certain wavelength are missing. One of these missing wavelength for n = 0 is
A)
\[\frac{\omega M}{M+m}\]
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B)
\[\frac{\omega (M-2M)}{M+2m}\]
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C)
\[\frac{\omega (M+2M)}{M}\]
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D)
\[\frac{\omega M}{M+2m}\]
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question_answer 47) If for a gas, \[{{a}_{c}}={{k}^{2}}{{r}^{2}}{{t}^{2}},\], then this gas is made up molecules which are
A)
monoatomic
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B)
diatomic
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C)
polyatomic
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D)
mixture of diatomic and polyatomic molecules
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question_answer 48) A simple pendulum with length L and mass m of the bob is vibrating with an amplitude a. Then, the maximum tension in the string is
A)
\[2mk{{r}^{2}}t\]
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B)
\[mk{{r}^{2}}{{t}^{2}}\]
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C)
\[m{{k}^{2}}{{r}^{2}}t\]
done
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D)
\[m{{k}^{2}}r{{t}^{2}}\]
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question_answer 49) If elements with principal quantum numbers n > 4 were not allowed in nature, then the number of possible elements would be
A)
\[1\text{ }km/h\]
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B)
\[\text{3 }km/h\]
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C)
\[\text{4 }km/h\]
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D)
\[\text{5 }km/h\]
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question_answer 50) A radioactive elements has half-life period of 600 yr. After 3000 yr, what amount will be remaining?
A)
\[{{10}^{-6}}{{m}^{2}}\]
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B)
\[{{10}^{29}}\]
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C)
\[250\times {{10}^{-3}}m/s\]
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D)
\[25\times {{10}^{-3}}m/s\]
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question_answer 51) The Edison storage cell is represented as \[{{O}_{2}}\]\[{{U}_{rms}}{{O}_{2}}=2\times {{U}_{rms}}O\] \[{{U}_{rms}}{{O}_{2}}=\frac{1}{2}\times {{U}_{rms}}O\]\[{{U}_{rms}}{{O}_{2}}=\frac{1}{3}\times {{U}_{rms}}\] What is the maximum amount of electrical energy that can be obtained from one mole of \[{{U}_{rms}}{{O}_{2}}={{U}_{rms}}O\]?
A)
\[Cs-Cl\]
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B)
\[CsCl\]
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C)
\[Cl\]
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D)
\[62.92%\]
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question_answer 52) For the reaction, \[60.0%\]\[75.04%\] concentration of \[52.14%\] at the equivalence point in the titration of \[I_{3}^{-}\] of \[3,2\] with \[2,3\] when final volume is 100 mL, is
A)
\[2,1\]
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B)
\[1,2\]
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C)
\[x\,c{{m}^{-1}}\]
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D)
\[H{{e}^{+}}\]
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question_answer 53) In a 0.2 molal aqueous solution of a weak acid HX, the degree of ionisation is 0.3. Taking \[B{{e}^{3+}}\] for water as 1.85, the freezing point of the solution will be nearest to
A)
\[H{{e}^{+}}\]
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B)
\[x\,c{{m}^{-1}}\]
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C)
\[4x\,c{{m}^{-1}}\]
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D)
\[\frac{x}{4}\,c{{m}^{-1}}\]
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question_answer 54) For an isomerisation reaction \[2x\,c{{m}^{-1}}\], the temperature dependence of equilibrium constant is given by \[O=16,Cu=63,N=14\] The value of \[1\times {{10}^{-10}}g\] at 300 K is therefore,
A)
4R
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B)
4R
done
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C)
400R
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D)
2000R
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question_answer 55) In the Freundlich adsorption equation \[1\times {{10}^{-10}}g\]the value of n is
A)
always greater than one
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B)
always smaller than one
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C)
always equal to one
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D)
greater than one at low temperature and smaller than one at high temperature
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question_answer 56) Reaction,\[II<I<\text{ }III<IV\], is used for commercial preparation of bromine from its salts. Suppose we have 50 mL of a 0.06 M solution of \[II<\text{ }III<I<IV\]. What volume of a 0.05 M solution of \[III<IV<I<II\] is needed to react completely with the \[BaC{{l}_{2}}(s)\]?
A)
\[BaC{{l}_{2}}.2{{H}_{2}}O(s)\]
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B)
\[-20.6\]
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C)
\[8.8\text{ }kJ\]
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D)
\[BaC{{l}_{2}}(s)+2{{H}_{2}}O\xrightarrow{{}}BaC{{l}_{2}}.2{{H}_{2}}O(s),\]
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question_answer 57) How many Cs atoms can be converted to \[29.4kJ\] ion by 1 J energy if \[-29.4kJ\] for Cs is 376 kJ \[-11.8kJ\]?
A)
\[38.2kJ\]
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B)
\[{{10}^{o}}C\]
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C)
\[{{25}^{o}}C\]
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D)
\[105.3\]
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question_answer 58) Among the following the number of compounds that can react with \[{{25}^{o}}C\], to give\[{{V}_{final}}=5{{V}_{initial}}\] is \[{{V}_{initial}}>{{V}_{final}}\]
A)
1
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B)
2
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C)
3
done
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D)
4
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question_answer 59)
The oxidation state of cobalt in is
A)
2
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B)
3
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C)
4
done
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D)
6
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question_answer 60)
Consider the above written reaction. The product is
A)
done
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B)
done
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C)
done
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D)
done
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question_answer 61) The maximum possible number of hydrogen bonds a water molecule can form in ice is
A)
1
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B)
2
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C)
3
done
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D)
4
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question_answer 62) Terylene is a condensation polymer of ethylene glycol and
A)
benzoic acid
done
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B)
phthalic acid
done
clear
C)
salicylic acid
done
clear
D)
terephthalic acid
done
clear
View Answer play_arrow
question_answer 63) In Rosenmund reaction,\[{{\text{V}}_{\text{final}}}\text{=4}{{\text{V}}_{\text{intial}}}\]\[{{V}_{final}}=6{{V}_{\operatorname{int}ial}}\] here,
A)
promotes catalytic activity of Pd
done
clear
B)
removes the \[Ca{{F}_{2}}({{K}_{sp}}=1.7\times {{10}^{-10}})\] formed in the reaction
done
clear
C)
deactivates palladium
done
clear
D)
activates palladium
done
clear
View Answer play_arrow
question_answer 64)
Product of this reaction is
A)
done
clear
B)
done
clear
C)
done
clear
D)
done
clear
View Answer play_arrow
question_answer 65) D-glucose contains
A)
50% each of \[\text{ }\!\!\alpha\!\!\text{ -}\]D-glucose and \[\text{ }\!\!\beta\!\!\text{ -}\]D-glucose
done
clear
B)
60% of \[\text{ }\!\!\alpha\!\!\text{ -}\]D-glucose and 36% of \[\text{ }\!\!\beta\!\!\text{ -}\]D-glucose
done
clear
C)
36% of \[\text{ }\!\!\alpha\!\!\text{ -}\]D-glucose and 64% of \[\text{ }\!\!\beta\!\!\text{ -}\]D-glucose
done
clear
D)
33% of each \[\text{ }\!\!\alpha\!\!\text{ -}\]D-glucose and \[\text{ }\!\!\beta\!\!\text{ -}\]D-glucose
done
clear
View Answer play_arrow
question_answer 66) Which one of the following is the most reactive towards ring nitration?
A)
Benzene
done
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B)
Mesitylene
done
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C)
Toluene
done
clear
D)
m-xylene
done
clear
View Answer play_arrow
A)
\[{{10}^{-4}}\,M\,C{{a}^{2+}}+{{10}^{-4}}M{{F}^{-}}\]
done
clear
B)
\[{{10}^{-2}}\,M\,C{{a}^{2+}}+{{10}^{-3}}M{{F}^{-}}\]
done
clear
C)
\[2{{H}^{+}}+2{{e}^{-}}+\frac{1}{2}{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O(l);{{E}^{o}}=+1.23V\]
done
clear
D)
\[F{{e}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Fe(s);\,\,{{E}^{o}}=-0.44V\]
done
clear
View Answer play_arrow
question_answer 68) Both HCHO and \[\Delta G\] give similar reactions with all the reagents except
A)
Schiffs reagent
done
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B)
Fehling solution
done
clear
C)
ammonia cal \[-322\text{ }kJ\text{ }mo{{l}^{-1}}\]
done
clear
D)
ammonia
done
clear
View Answer play_arrow
question_answer 69) At a temperature T, the \[-161\text{ }kJ\text{ }mo{{l}^{-1}}\] speed of \[-152\,kJ\,\,mo{{l}^{-1}}\] molecules is u. If the temperature is doubled, so that \[-76\,kJ\,mo{{r}^{-1}}\] dissociates into O atoms, then \[-161\text{ }kJ\text{ }mo{{l}^{-1}}\]of oxygen atoms is
A)
\[5mL\]
done
clear
B)
\[A{{s}_{2}}{{S}_{3}}\]
done
clear
C)
\[2Ag+2HCl+(O)\xrightarrow{{}}2AgCl+{{H}_{2}}O\]
done
clear
D)
\[2Ag+2HCl+(O)\xrightarrow{{}}2AgCl+{{H}_{2}}O\]
done
clear
View Answer play_arrow
question_answer 70) The percentage ionic character in \[N{{i}_{2}}{{O}_{2}}(s)+{{H}_{2}}O(l)+2{{e}^{-}}2NiO(s)+2O{{H}^{-}}\] bond present in \[{{E}^{o}}=+0.40V\] molecule will be, if the electronegative values of Cs and \[FeO(s)+{{H}_{2}}O(l)+2{{e}^{-}}Fe(s)+2O{{H}^{-}};\] are 0.8 and 3.0 respectively
A)
\[{{E}^{o}}=-8.87V\]
done
clear
B)
\[N{{i}_{2}}{{O}_{3}}\]
done
clear
C)
\[127\,kJ\]
done
clear
D)
\[245.11kJ\]
done
clear
View Answer play_arrow
question_answer 71) The number of lone pair and bond pair electrons present in central iodine atom of \[90.71kJ\] ion are respectively
A)
\[122.55kJ\]
done
clear
B)
\[H{{g}^{2+}}+2C{{l}^{-}}HgC{{l}_{2}},\]
done
clear
C)
\[k=1.65\times {{10}^{3}}\]
done
clear
D)
\[H{{g}^{2+}}\]
done
clear
View Answer play_arrow
question_answer 72) Wave number of a spectral line for a given transition is \[2.0m\text{ }mol\] for \[H{{g}^{2+}}\] then its value for \[C{{l}^{-}}\] (is electronic of \[825\times {{10}^{14}}M\] ) for the same transition is
A)
\[1.65\times {{10}^{13}}M\]
done
clear
B)
\[2.87\times {{10}^{6}}M\]
done
clear
C)
\[6.72\times {{10}^{6}}M\]
done
clear
D)
\[{{K}_{f}}\]
done
clear
View Answer play_arrow
question_answer 73)
Rearrange the following (I to TV) in the order of increasing masses and choose the correct answer (atomic mass; \[-{{0.360}^{o}}C\]) I. 1 molecule of oxygen II. 1 atom of nitrogen III. \[-{{0.260}^{o}}C\] molecular weight of oxygen IV. \[2.87\times {{10}^{6}}M\] atomic weight of copper
A)
\[672\times {{10}^{6}}M\]
done
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B)
IV < III < II < I
done
clear
C)
\[AB\]
done
clear
D)
\[{{\log }_{e}}\,\,K=4.0-\frac{2000}{T}\]
done
clear
View Answer play_arrow
question_answer 74) The enthalpy of dissolution of \[\Delta {{S}^{o}}\] and \[\frac{x}{m}=k{{p}^{1/n}},\] are \[2B{{r}^{-}}(aq)+C{{l}_{2}}(aq)\to 2C{{l}^{-}}(aq)+B{{r}_{2}}(aq)\] and \[NaBr\] per mole respectively. The enthalpy of hydration for, \[C{{l}_{2}}\]is
A)
\[B{{r}^{-}}\]
done
clear
B)
\[50mL\]
done
clear
C)
\[1200mL\]
done
clear
D)
\[30mL\]
done
clear
View Answer play_arrow
question_answer 75) At \[60mL\], the osmotic pressure of urea solution is 500 mm. The solution is diluted and the temperature is raised to \[C{{s}^{+}}\]. The osmotic pressure of dilute solution is \[I{{E}_{1}}\]mm at \[mo{{l}^{-1}}\]. The extent of dilution can be shown as
A)
\[1.60\times {{10}^{23}}\]
done
clear
B)
\[1.60\times {{10}^{15}}\]
done
clear
C)
\[1.60\times {{10}^{18}}\]
done
clear
D)
\[16.0\times {{10}^{26}}\]
done
clear
View Answer play_arrow
question_answer 76) The precipitate of \[PC{{l}_{5}}\] is obtained when equal volumes of the following are mixed
A)
\[POC{{l}_{3}}\]
done
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B)
\[{{O}_{2}},C{{O}_{2}},S{{O}_{2}},{{H}_{2}}O,{{H}_{2}}S{{O}_{4}},{{P}_{4}}{{O}_{10}}\]
done
clear
C)
Both (a) and (b)
done
clear
D)
None of the above
done
clear
View Answer play_arrow
question_answer 77) The rusting of iron takes place as follows \[RCOCl+{{H}_{2}}\xrightarrow{Pd/BaS{{O}_{4}}}RCHO+HCl\] \[BaS{{O}_{4}}\] Calculate \[HCl\] for the net process.
A)
\[l>II>lll>IV\]
done
clear
B)
\[IV>ll>lll>l\]
done
clear
C)
\[lll>IV>H>l\]
done
clear
D)
\[lll>ll>IV>l\]
done
clear
View Answer play_arrow
question_answer 78) In a coagulating experiment, \[C{{H}_{3}}CHO\] of \[AgN{{o}_{3}}\] is mixed with distilled water and 0.2 M solution of an electrolyte AB, so that the total volume is 20 mL. All solutions containing 5.4 mL of AB coagulate within 2 min. The flocculation value sof AB (in millimol) is
A)
5
done
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B)
50
done
clear
C)
54
done
clear
D)
None of the above
done
clear
View Answer play_arrow
question_answer 79) The statement that is not correct for the periodic classification of elements, is
A)
the properties of the elements are the periodic function of their atomic number
done
clear
B)
non-metallic elements are lesser in number than metallic elements
done
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C)
the first ionisation energies of elements along a period do not vary in a regular manner with increase in atomic number
done
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D)
for transition elements the d subshells are filled with electrons monotonically with increase in atomic numbers
done
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View Answer play_arrow
question_answer 80) Which one of the following reactions is an example of calcination process?
A)
\[{{u}_{rms}}\]
done
clear
B)
\[{{O}_{2}}\]
done
clear
C)
\[{{O}_{2}}\]
done
clear
D)
\[{{U}_{rms}}{{O}_{2}}=2\times {{U}_{rms}}O\]
done
clear
View Answer play_arrow
question_answer 81) On dissolving moderate amount of sodium metal in liquid \[{{U}_{rms}}{{O}_{2}}=\frac{1}{2}\times {{U}_{rms}}O\] at low temperature, which one of the following does not occur?
A)
Blue coloured solution is obtained
done
clear
B)
\[{{U}_{rms}}{{O}_{2}}=\frac{1}{3}\times {{U}_{rms}}\] ions are formed in the solution
done
clear
C)
Liquid \[{{U}_{rms}}{{O}_{2}}={{U}_{rms}}O\] solution becomes good conductor of electricity
done
clear
D)
Liquid \[Cs-Cl\] solution remains diamagnetic
done
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View Answer play_arrow
question_answer 82) A mixture contains two moles of \[CsCl\] and 1 mole of \[Cl\]. What will be the volume of \[62.92%\] formed on heating this mixture and the data is converted to STP?
A)
\[60.0%\]
done
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B)
\[75.04%\]
done
clear
C)
\[52.14%\]
done
clear
D)
\[I_{3}^{-}\]
done
clear
View Answer play_arrow
question_answer 83) Aryl halides are less reactive than alkyl halides towards nucleophile due to
A)
resonance
done
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B)
stability of carbonium ion
done
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C)
high boiling point
done
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D)
None of the above
done
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View Answer play_arrow
question_answer 84) Which of the following statement is wrong?
A)
Polar Stratospheric Clouds (PSCs) are clouds formed over Antarctica
done
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B)
Acid rain dissolves heavy metals such as \[3,2\] and \[2,3\] from soil, rocks and sediments
done
clear
C)
\[2,1\] is major contributor to acid rain, \[1,2\] ranks second and HC! third in this respect
done
clear
D)
Fishes grow as well in warm as in cold water
done
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View Answer play_arrow
question_answer 85)
The drug is used as
A)
antacid
done
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B)
analgesics
done
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C)
vasodilator
done
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D)
antiseptic
done
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View Answer play_arrow
question_answer 86) An organic compound of molecular formula \[x\,c{{m}^{-1}}\] does not react with sodium With excess of \[H{{e}^{+}}\] it gives only one type of alkyl halide. The compound is
A)
ethoxy ethane
done
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B)
1-butanol
done
clear
C)
1-methoxy propane
done
clear
D)
2-methoxy propane
done
clear
View Answer play_arrow
question_answer 87) \[B{{e}^{3+}}\]In this reaction, the end product C is
A)
salicylaldehyde
done
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B)
salicylic acid
done
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C)
phenyl acetate
done
clear
D)
aspirin
done
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View Answer play_arrow
question_answer 88) The pH of the blood does not appreciably change by a small addition of an acid or a base because
A)
serum protein which acts as buffer
done
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B)
containsiron as a part of the molecule
done
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C)
can be easily coagulated
done
clear
D)
it is body fluid
done
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View Answer play_arrow
question_answer 89) Hair dye contains
A)
copper nitrate
done
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B)
gold chloride
done
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C)
silver nitrate
done
clear
D)
lead nitrate
done
clear
View Answer play_arrow
question_answer 90) A gaseous hydrocarbon has 85% carbon and vapour density of 28. The possible formula of the hydrocarbon will be
A)
\[H{{e}^{+}}\]
done
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B)
\[x\,c{{m}^{-1}}\]
done
clear
C)
\[4x\,c{{m}^{-1}}\]
done
clear
D)
\[\frac{x}{4}\,c{{m}^{-1}}\]
done
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View Answer play_arrow
question_answer 91) The structure of \[2x\,c{{m}^{-1}}\]is
A)
linear
done
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B)
planar
done
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C)
pyramidal
done
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D)
T-shaped
done
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View Answer play_arrow
question_answer 92) Which of the following assumptions is not correct about Langmuir adsorption isotherm?
A)
The solid surface is homogeneous and has a fixed number of adsorption sites
done
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B)
Every adsorption site is equivalent
done
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C)
The adsorbed layer is not uniform al( over the adsorbent
done
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D)
The adsorbed gas behaves ideally in the vapour phase
done
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View Answer play_arrow
question_answer 93) The half-life for the reaction,\[O=16,Cu=63,N=14\] is 24h at \[1\times {{10}^{-10}}g\].Starting with 10 g of \[1\times {{10}^{-10}}g\], how many grams of \[II<I<\text{ }III<IV\] will remain after a period of 96 h?
A)
\[II<\text{ }III<I<IV\]
done
clear
B)
\[III<IV<I<II\]
done
clear
C)
\[BaC{{l}_{2}}(s)\]
done
clear
D)
\[BaC{{l}_{2}}.2{{H}_{2}}O(s)\]
done
clear
View Answer play_arrow
question_answer 94) Ceric ammonium sulphate and potassium permanganate are used as oxidising agents in acidic medium for oxidation of ferrous ammonium sulphate to ferric-sulphate. The ratio of number of moles of eerie ammonium sulphate required per mole of ferrous ammonium sulphate to the number of potassium permanganate required per mole of ferrous ammonium sulphate, is
A)
\[-20.6\]
done
clear
B)
\[8.8\text{ }kJ\]
done
clear
C)
\[BaC{{l}_{2}}(s)+2{{H}_{2}}O\xrightarrow{{}}BaC{{l}_{2}}.2{{H}_{2}}O(s),\]
done
clear
D)
\[29.4kJ\]
done
clear
View Answer play_arrow
question_answer 95) If \[-29.4kJ\] and \[-11.8kJ\] are respective equilibrium constants for the two reactions \[38.2kJ\]\[{{10}^{o}}C\]The equilibrium constant for the reaction,\[{{25}^{o}}C\]will be
A)
\[105.3\]
done
clear
B)
\[{{25}^{o}}C\]
done
clear
C)
\[{{V}_{final}}=5{{V}_{initial}}\]
done
clear
D)
\[{{V}_{initial}}>{{V}_{final}}\]
done
clear
View Answer play_arrow
question_answer 96) A compound X undergoes tetramerisation in a given organic solvent. The vant Hoff factor is
A)
\[{{\text{V}}_{\text{final}}}\text{=4}{{\text{V}}_{\text{intial}}}\]
done
clear
B)
\[{{V}_{final}}=6{{V}_{\operatorname{int}ial}}\]
done
clear
C)
\[Ca{{F}_{2}}({{K}_{sp}}=1.7\times {{10}^{-10}})\]
done
clear
D)
\[{{10}^{-4}}\,M\,C{{a}^{2+}}+{{10}^{-4}}M{{F}^{-}}\]
done
clear
View Answer play_arrow
question_answer 97) An ideal gas expands in volume from \[{{10}^{-2}}\,M\,C{{a}^{2+}}+{{10}^{-3}}M{{F}^{-}}\] to \[2{{H}^{+}}+2{{e}^{-}}+\frac{1}{2}{{O}_{2}}\xrightarrow{{}}{{H}_{2}}O(l);{{E}^{o}}=+1.23V\]at 300 K against a constant pressure of \[F{{e}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Fe(s);\,\,{{E}^{o}}=-0.44V\]. The work done is
A)
\[\Delta G\]
done
clear
B)
\[-322\text{ }kJ\text{ }mo{{l}^{-1}}\]
done
clear
C)
\[-161\text{ }kJ\text{ }mo{{l}^{-1}}\]
done
clear
D)
\[-152\,kJ\,\,mo{{l}^{-1}}\]
done
clear
View Answer play_arrow
question_answer 98) For \[-76\,kJ\,mo{{r}^{-1}}\] at equilibrium \[5mL\] and p is the total pressure, the ratio \[A{{s}_{2}}{{S}_{3}}\] will be
A)
\[2Ag+2HCl+(O)\xrightarrow{{}}2AgCl+{{H}_{2}}O\]
done
clear
B)
\[N{{i}_{2}}{{O}_{2}}(s)+{{H}_{2}}O(l)+2{{e}^{-}}2NiO(s)+2O{{H}^{-}}\]
done
clear
C)
\[{{E}^{o}}=+0.40V\]
done
clear
D)
\[FeO(s)+{{H}_{2}}O(l)+2{{e}^{-}}Fe(s)+2O{{H}^{-}};\]
done
clear
View Answer play_arrow
question_answer 99) Which particle among the following will have the smallest de-Broglie wavelength, assuming that they have the same velocity?
A)
A positron
done
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B)
A photon
done
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C)
An a-particle
done
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D)
A neutron
done
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View Answer play_arrow
question_answer 100) The compressibility of a gas is less than unity at STP. Therefore,
A)
\[{{E}^{o}}=-8.87V\]
done
clear
B)
\[N{{i}_{2}}{{O}_{3}}\]
done
clear
C)
\[127\,kJ\]
done
clear
D)
\[245.11kJ\]
done
clear
View Answer play_arrow
question_answer 101) The region, which is genetically active in chromosome is
A)
euchromatin
done
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B)
heterochromatin
done
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C)
whole chromosome
done
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D)
heptan
done
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View Answer play_arrow
question_answer 102) Hurlers disease is caused by
A)
presence of amino acid tyrosine
done
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B)
presence of lysosome
done
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C)
absence of lysomes
done
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D)
absence of amino acid tyrosine
done
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View Answer play_arrow
question_answer 103) How many hydrogen, bonds are present between guanine and cytosine?
A)
4
done
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B)
3
done
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C)
2
done
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D)
1
done
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View Answer play_arrow
question_answer 104) Genetically engineered human insulin is prepared by using
A)
E. coli
done
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B)
Rhizopus
done
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C)
Pseudomonas
done
clear
D)
Saccharomyces
done
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View Answer play_arrow
question_answer 105) The caesin is a
A)
amino acid
done
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B)
protein found in muscles
done
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C)
protein found in milk of cow
done
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D)
fish protein
done
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View Answer play_arrow
question_answer 106) Territoriality occurs as a result of
A)
co-operation
done
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B)
competition
done
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C)
parasitism
done
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D)
predation
done
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View Answer play_arrow
question_answer 107) The origin of sympathetic nerve from
A)
thoraco - lumber region
done
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B)
sacral region
done
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C)
cervical region
done
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D)
9th and 11th cranial nerve
done
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View Answer play_arrow
question_answer 108) Gauchers disease is genetic disorder, which is associated with the abnormal metabolism of
A)
glucose
done
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B)
fat
done
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C)
protein
done
clear
D)
All of the above
done
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View Answer play_arrow
question_answer 109) Fruit-fly has four linkage groups. How many chromosome will be in the somatic cell of organism?
A)
4
done
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B)
2
done
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C)
8
done
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D)
12
done
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question_answer 110) Book lungs are respiratory organs of
A)
Nereis and arthropods
done
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B)
spider
done
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C)
scorpion
done
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D)
Both (a) and (b)
done
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View Answer play_arrow
question_answer 111) Which one era is considered as the golden period of gaint reptiles like Dinosaurs?
A)
Mesozoic
done
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B)
Archaeozoic
done
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C)
Coenozoic
done
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D)
Paleozoic
done
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View Answer play_arrow
question_answer 112) Phagocytosis was observed by
A)
Haeckel
done
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B)
Matchnikoff
done
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C)
Strassburger
done
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D)
Huxley
done
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View Answer play_arrow
question_answer 113) Choriotis nigriceps has been listed under endangered species, due to
A)
suceptible to disease
done
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B)
extensive hunting
done
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C)
climate change and spreading desert
done
clear
D)
All of the above
done
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View Answer play_arrow
question_answer 114) Birds have feathers and power of flight as they lack
A)
bone marrow, an ovary and hindlimb
done
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B)
bone marrow, pectoral girdle and forelimb
done
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C)
forelimb, an ovary and bone marrow
done
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D)
forelimb, pectoral girdle and pelvic girdle
done
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View Answer play_arrow
question_answer 115) Regeneration of lost tail of lizard is an example of
A)
morpholaxis
done
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B)
restructury
done
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C)
autolysis
done
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D)
autotomy
done
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question_answer 116) Sporogony of Plasmodium occurs in
A)
stomach wall of mosquito
done
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B)
salivary gland of mosquito
done
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C)
liver of human beings
done
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D)
RBCs of human beings
done
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question_answer 117) The branch of science which deals with the process of improvement of human race through law of heredity is called
A)
Genetics
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B)
Eugenics
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C)
Euphenics
done
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D)
Euthenics
done
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question_answer 118) Structural property and enzymatic activity is shown by
A)
trypsin
done
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B)
actin
done
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C)
myosin
done
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D)
troponin
done
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View Answer play_arrow
question_answer 119) Which is largest muscle in human body?
A)
Masseter
done
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B)
Sartorius
done
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C)
Stapedius
done
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D)
Gluteus
done
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question_answer 120) The exact cause of death of cobra bite person is
A)
inactivation of nerves
done
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B)
inactivation and contraction of nerve and muscle
done
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C)
contraction of muscle and destruction of erythrocytes
done
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D)
destruction of RBCs
done
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question_answer 121) Sporozoite infectious stage of Plasmodium parasite contains
A)
two nucleus and a vacuole
done
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B)
one nucleus and several vacuole
done
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C)
vacuole and other cell organelles
done
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D)
a nucleus
done
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question_answer 122) Organs not similar in structure and origin but perform the same function
A)
homologous organ
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B)
analogous organ
done
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C)
adaptive structure
done
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D)
variable structure
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question_answer 123) Chloragogen cells of earthworm are analogous to vertebrates organ
A)
lungs
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B)
liver
done
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C)
gut
done
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D)
kidney
done
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question_answer 124) What used to describe as Nissls granules in a nerve cell, are now identified as?
A)
Cell metabolites
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B)
Fat granules
done
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C)
Ribosomes
done
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D)
Mitochondria
done
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question_answer 125) Photochemical smog always contain
A)
\[{{O}_{3}}\]s
done
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B)
oxides of sulphur
done
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C)
\[C{{H}_{4}}\] and \[CO\]
done
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D)
phosphate
done
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question_answer 126) Belivers in spontaneous generation theory assumed that
A)
organisms arose only from other similar organisms
done
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B)
organism could arise only from air
done
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C)
organism arose from non-living material
done
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D)
organism always arise from air
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question_answer 127) Maximum number of plasmids discovered so far
A)
50 kilo base
done
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B)
500 kilo base
done
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C)
5000 kilo base
done
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D)
5 kilo base
done
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question_answer 128) Transfer of genes form one gene pool to another is known as
A)
genetic drift
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B)
gene flow
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C)
mutation
done
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D)
speciation
done
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View Answer play_arrow
question_answer 129) Which statement is correct for muscle contraction?
A)
Length of A-band decrease
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B)
Length of 1-band remain constant
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C)
Length of two Z-line increases
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D)
Length of H-zone decreases
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question_answer 130) Keratinisation of skin is prevented by
A)
retinol
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B)
thiamine
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C)
ascorbic acid
done
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D)
calciferol
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question_answer 131) Core zone, buffer zone and manipulation zone are found in
A)
Zoological Garden
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B)
National Park
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C)
Tiger Reserve and Sanctuary
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D)
Biosphere Reserve
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question_answer 132) Largest tiger population is found in
A)
Sunder ban National Park
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B)
Corbett national Park
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C)
Ranthambor National Park
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D)
Kanha National Park
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question_answer 133) A child has blood group 0 and his father is of B blood group. What will be the genotype of father?
A)
\[{{l}^{A}}{{l}^{B}}\]
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B)
\[{{l}^{B}}{{l}^{O}}\]
done
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C)
\[{{l}^{O}}{{l}^{A}}\]
done
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D)
\[{{l}^{O}}{{l}^{O}}\]
done
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question_answer 134) Spermatogenesis is under the regulatory influence of
A)
STH
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B)
LH
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C)
FSH
done
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D)
ADH
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question_answer 135) Which hormone is secreted in a woman if pregnancy has occurred?
A)
Estrogen
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B)
Progesterone
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C)
Luteinizing hormone
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D)
Chorionic gonadotropin
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question_answer 136) Correctly matched set of phylum, class and example is
A)
Protozoa - Mastigophora -Entamoeba
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B)
Mollusca - Bivalvia -Pinctada
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C)
Arthropoda - Diplopoda - Sclopendra
done
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D)
Chordata - Cyclostomata - Phrynosoma
done
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question_answer 137) Which is regarded as urinary bladder of embryo?
A)
Allantois
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B)
Chorion
done
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C)
Yolk sac
done
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D)
Amnion
done
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question_answer 138) Which of these is used to control human population?
A)
Tubectomy and vasectomy
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B)
SUCD and MTP
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C)
Estrogen and progesteron
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D)
All of the above
done
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question_answer 139) Which is thickened to form organ of corti?
A)
Reissners membrane
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B)
Basilar membrane
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C)
Tectorial membrane
done
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D)
All of the above
done
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question_answer 140) Which stage of silk worm secret silk?
A)
Adult
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B)
Larva
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C)
Coccon
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D)
Pupa
done
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question_answer 141) A cell organelle lacks its own DNA, however it is able to replicate. It is
A)
centriole
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B)
ribosome
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C)
nucleolus
done
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D)
peroxysomes
done
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question_answer 142) A animal cell lacks nucleus. Which one will also be absent in it?
A)
Ribosome
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B)
Chromosome
done
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C)
Lysosome
done
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D)
Centriole
done
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question_answer 143) Ageing is characterised by
A)
decline in metabolic activity
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B)
increased in metabolic activity
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C)
increased anabosism
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D)
increased catabosism
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question_answer 144) Honey contain
A)
glucose, fructose and lactose
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B)
glucose, galactose and insulin
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C)
dextrose, laevulose and maltose
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D)
dextrose, lactose and ribose
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question_answer 145) Auxetic growth is increase in
A)
cell volume only
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B)
cell number only
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C)
fatly tissue
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D)
intercellular material
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question_answer 146) Intelligence, memory, will power, emotions and cause (reason) are governed/regulated by
A)
medulla oblongata
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B)
cerebral hemispheres
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C)
midbrain
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D)
cerebellum
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question_answer 147) The drug which do not develop physiological dependence are?
A)
Sedatives
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B)
Hallucinogens
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C)
Stimulants
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D)
Opiates
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question_answer 148) Nucleosomes given beaded appearance to chromosomes. They help in packaging of DNA in chromosomes. A nucleosomes has
A)
about two turn of DNA
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B)
8 histone molecule (two molecule each of \[{{H}_{3}},{{H}_{4}},{{H}_{2}}A\].and \[{{H}_{2}}B\])
done
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C)
166 nitrogen base pairs
done
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D)
All of the above
done
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question_answer 149) Chromosome are best observed at metaphase. For studying the shape best stage is
A)
metaphase
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B)
anaphase
done
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C)
late prophase
done
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D)
telophase
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question_answer 150) Meroblastic cleavage refer to which type of division of egg?
A)
Complete
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B)
Spiral
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C)
Incomplete
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D)
Horizontal
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question_answer 151) Which one set of genera are correctly matched?
A)
Chlorophyceae - Volvax, Laminaria, Fucus
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B)
Phaeophyceae - Laminaria, Chlamydomonas
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C)
Rhodophyceae - Geladuim, GracHlaria
done
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D)
Phaeophyceae -Laminarea, Sargassum, Ulothrix
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question_answer 152) Vivipary is a peculiar characteristic of
A)
mesophytes
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B)
xerophytes
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C)
mangrooves
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D)
emergan hydrophytes
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question_answer 153) The characteristic inflorescence features of family-Moraceae and poaceae are
A)
racemose and hypanthodium
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B)
spike and spike of spikelet
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C)
hypanthodium and spadix
done
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D)
hypanthodium and spike of spikelet
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question_answer 154) The condition in which gynoecium occupy lower position or while other flower parts are situated on or above thalamus, the flower is termed as
A)
epigynous
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B)
perigynous
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C)
hypogynous
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D)
superior
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question_answer 155) Which of the following organism is commonly called as pond silk?
A)
Spirogyra
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B)
Ufothnx
done
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C)
Ectocarpus
done
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D)
Sargassum
done
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question_answer 156) Aleurone layer the perpheral part of grains endosperm is rich in
A)
fat
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B)
protein
done
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C)
carbohydrates
done
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D)
auxins
done
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question_answer 157) Which of the following is not on intermediate in Krebs cycle?
A)
Citric acid
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B)
Maleic acid
done
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C)
Acetic acid
done
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D)
Succinyle coenzyme-A
done
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question_answer 158) The carrier protein are involved in
A)
active transport of ions
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B)
water transport
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C)
transport of enzymes
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D)
actives and passive transport of ions
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question_answer 159) Who proposed the Cohesion theory for ascent of sap hypothesis?
A)
Jolly and Dixon
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B)
Dixon and Western
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C)
Jolly and Godlenski
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D)
Dixon and Strasburger
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question_answer 160) Turpentile oil, a ingredient in paint and varnishes is obtained from
A)
Melia azadirachta
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B)
Pinus longifolia
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C)
Eucalyputs
done
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D)
Cedrus
done
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question_answer 161) The anthers in family-Solanaceae
A)
introse, monothecus
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B)
extrose, dithecus
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C)
introse, dithecus
done
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D)
extrose, monothecus
done
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question_answer 162) The origin centre of potato is
A)
Mexico
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B)
Panama
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C)
Brazil
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D)
Peru
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question_answer 163) Arrangement of three successive bases in genetic code signifies
A)
amino acids
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B)
plasmids
done
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C)
nucleic acids
done
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D)
protein, peptide, peptone
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question_answer 164) Respiratory roots in halophytes are positively
A)
phototropic
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B)
aerotropic
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C)
rheotropic
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D)
Geotropic
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question_answer 165) In their experiment, Hershey and Chase demonstrated that DNA is genetic material in
A)
TMV
done
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B)
E coll
done
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C)
\[{{T}_{2}}\]-bacteriophage
done
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D)
Diplococcus pneumomae
done
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question_answer 166) The trapping centre of light energy in photo system-I is
A)
\[{{P}_{700}}\]
done
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B)
\[{{P}_{680}}\]
done
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C)
\[{{P}_{630}}\]
done
clear
D)
\[{{P}_{660}}\]
done
clear
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question_answer 167) The UV radiation from sun causes reaction that produce
A)
PAN
done
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B)
ozone and PAN
done
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C)
oxides of nitrogen
done
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D)
acid rain
done
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question_answer 168) Deficiency of which one element cause khaira disease in paddy?
A)
\[Mn\]
done
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B)
\[Ca\]
done
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C)
\[Zn\]
done
clear
D)
\[Cl\]
done
clear
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question_answer 169) Which one plant growth regulator is responsible for bolting?
A)
Auxin
done
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B)
Gibberellin
done
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C)
Ethylene
done
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D)
Cytokinin
done
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question_answer 170) When a plant show different type of leaves, the condition is termed as/known as
A)
heterophilly
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B)
homophilly
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C)
anisophilly
done
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D)
isophilly
done
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question_answer 171) Which of the following are fermentation product of yeast?
A)
\[C{{O}_{2}}\] and methanol
done
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B)
\[C{{O}_{2}}\] and ethanol
done
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C)
\[C{{O}_{2}}\] and water
done
clear
D)
Ethanol and water and \[C{{O}_{2}}\]
done
clear
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question_answer 172) Why grafting is not possible in monocots?
A)
Due to lack of cambium and parallel venation
done
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B)
Due to herbaceous nature
done
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C)
Due to lack of cambium, which is responsible for secondary growth
done
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D)
Due to possession of scattered vascular bundles
done
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question_answer 173) Respiratory quotient for fatty acid is
A)
zero
done
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B)
one
done
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C)
more than one
done
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D)
less than one
done
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question_answer 174) The synthetic auxin hormone, used as weedicides for broad leaves weeds like chenopodium is
A)
2, 4 - dichlorophenoxy acetic acid and 2, 4. 5-7
done
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B)
gibberellic acid
done
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C)
2, 4, 5 - trichlorophenoxy acetic acid
done
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D)
indole - 3 -acetic acid
done
clear
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question_answer 175) The process of multiplication of DNA from DNA is known as
A)
transcription
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B)
replication
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C)
translation
done
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D)
transversion
done
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question_answer 176) How many turns of Calvin cycle are required to : produce one molecule of glucose?
A)
One
done
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B)
Three
done
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C)
Six
done
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D)
Twelve
done
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question_answer 177) The principal cereal crop of Asian countries is
A)
wheat
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B)
sorghum
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C)
barley
done
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D)
paddy
done
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question_answer 178) Under which one phase/stage of all cycle, cell undergoes differentiation?
A)
\[{{G}_{0}}\]-phase
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B)
\[{{G}_{1}}\]-phase
done
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C)
S-phase
done
clear
D)
M-phase
done
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question_answer 179) The principle protein found in locomotory organ of cell
A)
flagellin
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B)
tubulin
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C)
fibrin
done
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D)
globulin
done
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question_answer 180) Which state occupy first position in coffee production?
A)
Kerala
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B)
Kernataka
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C)
Tamil Nadu
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D)
Maharashtra
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question_answer 181) Protonema is found is the life cycle of
A)
Spirogyra
done
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B)
Rhizopus
done
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C)
Funaria
done
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D)
Cynodon
done
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question_answer 182) An open collateral bundle is one in which
A)
xylem and phloem is separated by cambium
done
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B)
two conductive tissue lie side by side
done
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C)
cambium occur on outside of bundle
done
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D)
cambium is absent in bundle
done
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question_answer 183) Dikaryon formation is characteristic feature of
A)
Zygomycetes and Phycomycetes
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B)
Phycomycetes and Ascomycetes
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C)
Basidiomycetes and Phycomycetes
done
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D)
Basidiomycetes and Ascomycetes
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question_answer 184) A prothallus of fern contain
A)
antheridia and archegonia on lower surface
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B)
antheridia and archegonia on upper surface
done
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C)
antheridia on upper surface and archegonia on lower surface
done
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D)
antheridia on lower surface and archegonia on upper surface
done
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question_answer 185) Grassland with scattered trees is a type of
A)
deciduous forest
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B)
savanna (tropical)
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C)
prairies
done
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D)
steppes
done
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question_answer 186) Highest number of antibiotics are produced by
A)
Bacillus
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B)
PenicHlium
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C)
Streptomyces
done
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D)
Cephalospohum
done
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question_answer 187) In mitochondria, enzyme cytochrome oxidase is present in
A)
matrix
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B)
outer membrane
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C)
perimitochondrial matrix
done
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D)
inner membrane
done
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question_answer 188) Which of the following genetically engineered bacterium is utilised for cleaning of marine oil slicks?
A)
Pseudomonas putida
done
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B)
Rhizoctonia soiani
done
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C)
Pseudomonas synngae
done
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D)
Nitrosomonas
done
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question_answer 189) Nucleotides consist of
A)
purine, sugar and phosphate
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B)
nucleoside and phosphate
done
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C)
pyrimidine sugar and phosphate
done
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D)
nucleoside and nitrogen base
done
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question_answer 190) Which of following floral parts form pericarp after fertilisation?
A)
Outer integument
done
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B)
inner integument
done
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C)
Ovary wall
done
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D)
Nucellus
done
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question_answer 191) In case of incomplete dominance, what will be the phenotypic ratio of Pa-generation?
A)
\[3:1\]
done
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B)
\[1:1:1:1\]
done
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C)
\[2:2\]
done
clear
D)
\[1:2:1\]
done
clear
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question_answer 192) Who coined the term cistron?
A)
Benzer
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B)
Khorana
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C)
Sutton
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D)
Muller
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question_answer 193) Tonoplast is a membrane which surrounds
A)
mitochondria
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B)
vacuole
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C)
cytoplasm
done
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D)
ribosome
done
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question_answer 194) Sulphur containing amino acids are
A)
tryptophan, glutamic acid and aspartic acid
done
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B)
citrultine, methionine and glumeric acid
done
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C)
cysteine, cystine and methionine
done
clear
D)
cystine, lysine and valine
done
clear
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question_answer 195) Which is correct sequence of code transfer involved in formation of polypeptide?
A)
DNA \[\to \] mRNA \[\to \] t RNA \[\to \] Amino acid
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B)
mRNA \[\to \] t RNA \[\to \] DNA \[\to \] Amino acid
done
clear
C)
t RNA \[\to \]DNA \[\to \] mRNA \[\to \] Amino acid
done
clear
D)
DNA \[\to \] t -RNA \[\to \] t -RNA \[\to \]mRNA
done
clear
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question_answer 196) The conservation of endemic varieties of crop is must because
A)
these are high yielding and nutritious
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B)
we should conserve all living being of the past for our knowledge
done
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C)
it is mandatory
done
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D)
these are source of gene for genetic diversity
done
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question_answer 197) Which one of the following belong to the same category?
A)
Coconut, almond and mango
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B)
Beetle nut, chesnut and coconut
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C)
Tomato, orange and coconut
done
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D)
Chesnut, coconut and cashew nut
done
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question_answer 198) Which cycle is directly driven by solar radiation?
A)
Carbon
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B)
Water
done
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C)
Nitrogen
done
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D)
Phosphorus
done
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question_answer 199) Which part of embryo comes out first during seed germination
A)
Epicotyl
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B)
Hypocotyl
done
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C)
Radicle
done
clear
D)
Plumule
done
clear
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question_answer 200) The cell cultured in vitro give rise to complete plants. This ability of plant cell is known as
A)
regeneration
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B)
growth
done
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C)
development
done
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D)
totipotency
done
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