question_answer 1)
The charge on the capacitor of capacitance C shown in the figure below will be
A)
\[C\,E\]
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B)
\[\frac{C\,E\,{{R}_{1}}}{{{R}_{1}}+r}\]
done
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C)
\[\frac{C\,E\,{{R}_{2}}}{{{R}_{2}}+r}\]
done
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D)
\[\frac{C\,E\,{{R}_{1}}}{{{R}_{2}}+r}\]
done
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question_answer 2)
The resistance across A and B in the figure below will be
A)
3R
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B)
R
done
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C)
\[\frac{R}{3}\]
done
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D)
None of the above
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question_answer 3)
Five equal resistance, each of resistance R are connected as shown in figure below. A battery of V volt is connected between A and B. The current flowing in FC will be
A)
\[\frac{3V}{R}\]
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B)
\[\frac{V}{R}\]
done
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C)
\[\frac{V}{2R}\]
done
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D)
\[\frac{2V}{R}\]
done
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question_answer 4) Two cells with the same emf E and different internal resistances \[{{r}_{1}}\] and \[{{r}_{2}}\] are connected in series to an external resistance R. The value of R so that the potential difference across the first cell be zero, is
A)
\[\sqrt{{{r}_{1}}{{r}_{2}}}\]
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B)
\[{{r}_{1}}+{{r}_{2}}\]
done
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C)
\[{{r}_{1}}-{{r}_{2}}\]
done
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D)
\[\frac{{{r}_{1}}+{{r}_{2}}}{2}\]
done
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question_answer 5)
Current through ABC and \[ABC\]is\[I\]. What is the magnetic field at P? BP = PB = r (Here C B PBC are collinear)
A)
\[B=\frac{1}{4\pi }\frac{2I}{r}\]
done
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B)
\[B=\frac{{{\mu }_{0}}}{4\pi }\left( \frac{2I}{r} \right)\]
done
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C)
\[B=\frac{{{\mu }_{0}}}{4\pi }\left( \frac{I}{r} \right)\]
done
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D)
zero
done
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question_answer 6) The magnetic field at the point of intersection of diagonals of a square wire loop of side L carrying a current \[I\] is
A)
\[\frac{{{\mu }_{0}}I}{\pi L}\]
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B)
\[\frac{2{{\mu }_{0}}I}{\pi L}\]
done
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C)
\[\frac{\sqrt{2}{{\mu }_{0}}I}{\pi L}\]
done
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D)
\[\frac{2\sqrt{2}{{\mu }_{0}}I}{\pi L}\]
done
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question_answer 7) In an inelastic collision an electron excites a hydrogen atom from its ground state to a M-shell state. A second electron collides instantaneously with the excited hydrogen atom in the M-shell state and ionizes it. At least how much energy the second electron transfers to the atom in the M-shell state?
A)
+3.4eV
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B)
+1.51eV
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C)
-3.4 eV
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D)
-1.51 eV
done
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question_answer 8) A radioactive nucleus of mass number A, initially at rest, emits an \[\text{ }\!\!\alpha\!\!\text{ -}\]particle with a speed v. The recoil speed of the daughter nucleus will be
A)
\[\frac{2v}{A-4}\]
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B)
\[\frac{2v}{A+4}\]
done
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C)
\[\frac{4v}{A-4}\]
done
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D)
\[\frac{4v}{A+4}\]
done
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question_answer 9) In the nuclear reaction \[_{7}^{14}N+X\xrightarrow{{}}_{6}^{14}C+_{1}^{1}H,\]the X will be
A)
\[_{-1}^{0}e\]
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B)
\[_{1}^{1}H\]
done
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C)
\[_{1}^{2}H\]
done
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D)
\[_{0}^{1}n\]
done
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question_answer 10)
Which type of gate the following truth table represents? Input Output A B Q 0 0 1 0 1 1 1 0 1 1 1 0
A)
NOT
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B)
AND
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C)
OR
done
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D)
NAND
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question_answer 11) Given \[\vec{A}=2\hat{i}+3\hat{j}\]and \[\vec{B}=\hat{i}+\hat{j}.\]The component of vector \[\vec{A}\] along vector \[\vec{B}\] is
A)
\[\frac{1}{\sqrt{2}}\]
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B)
\[\frac{3}{\sqrt{2}}\]
done
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C)
\[\frac{5}{\sqrt{2}}\]
done
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D)
\[\frac{7}{\sqrt{2}}\]
done
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question_answer 12) A cubical vessel of height 1 m is full of water. What is the amount of work done in pumping water out of the vessel? (Takeg \[g=10\,m/{{s}^{2}}\])
A)
1250 J
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B)
5000 J
done
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C)
1000 J
done
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D)
2500 J
done
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question_answer 13) A stone of relative density K is released from rest on the surface of a lake. If viscous effects are ignored, the stone sinks in water with an acceleration of
A)
\[g(1-K)\]
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B)
\[g(1+K)\]
done
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C)
\[g\left( 1-\frac{1}{K} \right)\]
done
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D)
\[g\left( 1+\frac{1}{K} \right)\]
done
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question_answer 14) If a person can throw a stone to maximum height of metre vertically, then the maximum distance through which it can be thrown horizontally by the same person is
A)
\[\frac{h}{2}\]
done
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B)
\[h\]
done
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C)
\[2h\]
done
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D)
\[3h\]
done
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question_answer 15) A body of mass 6 kg is acted upon by a force which causes a displacement in it given by \[x=\frac{{{t}^{2}}}{4}\] metre, where t is the time in second. 4 The work done by the force in 2 s is
A)
12J
done
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B)
9J
done
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C)
6J
done
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D)
3J
done
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question_answer 16) A box is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to
A)
\[{{t}^{\frac{1}{2}}}\]
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B)
\[{{t}^{\frac{3}{4}}}\]
done
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C)
\[{{t}^{\frac{3}{2}}}\]
done
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D)
\[{{t}^{2}}\]
done
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question_answer 17) A particle is moving with a constant speed v in a circle. What is the magnitude of average velocity after half rotation?
A)
2v
done
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B)
\[2\frac{v}{\pi }\]
done
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C)
\[\frac{v}{2}\]
done
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D)
\[\frac{v}{2\pi }\]
done
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question_answer 18) A cricket ball of mass 0.25 kg with speed 10 m/s collides with a bat and returns with same speed within 0.01 s. The force acted on bat is
A)
25 N
done
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B)
50 N
done
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C)
250 N
done
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D)
500 N
done
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question_answer 19) If the earth were to suddenly contract to \[\frac{\text{1}}{\text{n}}\text{th}\] of its present radius without any change in its mass, the duration of the new day will be nearly
A)
\[24/n\,h\]
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B)
\[24n\,h\]
done
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C)
\[24/{{n}^{2}}\,h\]
done
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D)
\[24\,{{n}^{2}}\,h\]
done
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question_answer 20) If g is the acceleration due to gravity on the surface of the earth, the gain in potential energy of an object of mass m raised from the earths surface to a height equal to the radius R of the earth is
A)
\[\frac{mgR}{4}\]
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B)
\[\frac{mgR}{2}\]
done
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C)
\[mgR\]
done
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D)
\[2mgR\]
done
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question_answer 21) A material has Poissons ratio 0.50. If a uniform rod of it suffers a longitudinal strain of \[2\times {{10}^{-3}},\] then the percentage change in volume is
A)
0.6
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B)
0.4
done
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C)
0.2
done
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D)
zero
done
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question_answer 22)
Two identical springs are connected to mass m as shown (\[k=\]spring constant). If the period of the configuration in is 2s, the period of the configuration in is
A)
\[\sqrt{2}\,s\]
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B)
1s
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C)
\[\frac{1}{\sqrt{2}}s\]
done
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D)
\[2\sqrt{2}\,s\]
done
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question_answer 23) An object weights \[{{m}_{1}}\]in a liquid of density \[{{d}_{1}}\]and that in liquid of density \[{{d}_{2}}\]is \[{{m}_{2}}.\]density d of the object is
A)
\[\frac{{{m}_{2}}{{d}_{2}}-{{m}_{1}}{{d}_{1}}}{{{m}_{2}}-{{m}_{1}}}\]
done
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B)
\[\frac{{{m}_{1}}{{d}_{1}}-{{m}_{2}}{{d}_{2}}}{{{m}_{2}}-{{m}_{1}}}\]
done
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C)
\[\frac{{{m}_{2}}{{d}_{1}}-{{m}_{1}}{{d}_{2}}}{{{m}_{1}}-{{m}_{2}}}\]
done
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D)
\[\frac{{{m}_{1}}{{d}_{2}}-{{m}_{2}}{{d}_{1}}}{{{m}_{1}}-{{m}_{2}}}\]
done
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question_answer 24) A body floats in water with 40% of its volume outside water. When the same body floats in an oil. 60% of its volume remains outside oil. The relative density of oil is
A)
0.9
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B)
1.0
done
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C)
1.2
done
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D)
1.5
done
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question_answer 25) Two soap bubbles of radii \[x\] and \[y\] coalesce to constitute a bubble of radius z. Then z is equal to___
A)
\[\sqrt{{{x}^{2}}+{{y}^{2}}}\]
done
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B)
\[\sqrt{x+y}\]
done
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C)
\[x+y\]
done
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D)
\[\frac{x+y}{2}\]
done
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question_answer 26) A particle of mass m is located in a one dimensional potential field where potential energy is given by \[V(x)=A(1-\cos \,px),\]where A and p are constants. The period of small oscillations of the particle is
A)
\[2\pi \sqrt{\frac{m}{(Ap)}}\]
done
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B)
\[2\pi \sqrt{\frac{m}{(A{{p}^{2}})}}\]
done
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C)
\[2\pi \sqrt{\frac{m}{A}}\]
done
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D)
\[\frac{1}{2\pi }\sqrt{\frac{Ap}{m}}\]
done
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question_answer 27) The period of oscillation of a simple pendulum of length \[l\] suspended from the roof of a vehicle, which moves without friction down an inclined plane of inclination \[\alpha ,\]is given by
A)
\[2\pi \sqrt{\frac{l}{g\,\cos \,\alpha }}\]
done
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B)
\[2\pi \sqrt{\frac{l}{g\,\sin \,\alpha }}\]
done
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C)
\[2\pi \sqrt{\frac{l}{g\,}}\]
done
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D)
\[2\pi \sqrt{\frac{l}{g\,\tan \,\alpha }}\]
done
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question_answer 28) In Youngs double slit experiment the two slits are d distance apart. Interference pattern is observed on a screen at a distance D from the slits. A dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of light is
A)
\[\frac{{{D}^{2}}}{2d}\]
done
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B)
\[\frac{{{d}^{2}}}{2D}\]
done
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C)
\[\frac{{{D}^{2}}}{d}\]
done
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D)
\[\frac{{{d}^{2}}}{D}\]
done
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question_answer 29) A plane progressive wave is given by \[y=2\cos 6.284(330t-x).\]What is period of the wave?
A)
\[\frac{1}{330}s\]
done
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B)
\[2\pi \times 330\,s\]
done
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C)
\[{{(2\pi \times 330)}^{-1}}s\]
done
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D)
\[\frac{6.284}{330}s\]
done
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question_answer 30) The displacement of a particle is SHM varies according to the relation \[x=4(cos\pi t+sin\pi t).\]The amplitude of the particle is
A)
\[-4\]
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B)
4
done
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C)
\[4\sqrt{2}\]
done
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D)
8
done
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question_answer 31) Two temperature scales A and B are related by \[\frac{A-42}{110}=\frac{B-72}{220}.\] which temperature two scales have the same reading?
A)
\[-{{42}^{o}}\]
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B)
\[-{{72}^{o}}\]
done
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C)
\[+\,{{12}^{o}}\]
done
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D)
\[-{{40}^{o}}\]
done
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question_answer 32) An ideal gas is compressed isothermally until its pressure is doubled and then allowed to expand adiabatically to regain its original volume (\[\gamma =1.4\]and\[{{2}^{-14}}=0.38\]). The ratio of the final to initial pressure is
A)
0.76 : 1
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B)
1 : 1
done
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C)
0.66 : 1
done
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D)
0.86 : 1
done
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question_answer 33) Air inside a closed container is saturated with water vapour. The air pressure is p and the saturated vapour pressure of water is \[\bar{P}\].If the mixture is compressed to one-half of its volume by maintaining temperature constant, the pressure becomes
A)
\[2(p+\bar{p})\]
done
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B)
\[2p+\bar{p}\]
done
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C)
\[(p+\bar{p})/2\]
done
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D)
\[p+2\bar{p}\]
done
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question_answer 34) 1\[1.56\times {{10}^{5}}\,J\] of heat is conducted through a \[\text{2}\,{{\text{m}}^{\text{2}}}\]wall of 12 cm thick in 1h. Temperature difference between the two sides of the wall is \[\text{20}{{\,}^{\text{o}}}\text{C}\text{.}\] The thermal conductivity of the material of the wall is (in \[\text{W}\,{{\text{m}}^{-1}}{{K}^{-1}}\])
A)
0.11
done
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B)
0.13
done
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C)
0.15
done
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D)
1.2
done
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question_answer 35) A diver at a depth of 12 m in water \[\left( \mu =\frac{4}{3} \right)\] sees the sky in a cone of semivertical angle
A)
\[{{\sin }^{-1}}\left( \frac{4}{3} \right)\]
done
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B)
\[{{\tan }^{-1}}\left( \frac{4}{3} \right)\]
done
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C)
\[{{\sin }^{-1}}\left( \frac{3}{4} \right)\]
done
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D)
\[\text{9}{{\text{0}}^{\text{o}}}\]
done
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question_answer 36) Two thin lenses of focal lengths 20 cm and 25 cm are placed in contact. The effective power of the combination is
A)
9D
done
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B)
2D
done
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C)
3D
done
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D)
7D
done
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question_answer 37) A convex lens of focal length 30 cm produces 5 times magnified real image of an object. What is the object distance?
A)
36 cm
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B)
25 cm
done
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C)
30 cm
done
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D)
150 cm
done
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question_answer 38) If the focal length of the eye-piece of a telescope is doubled, its magnifying power (m) will be
A)
\[2\,m\]
done
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B)
\[3\,m\]
done
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C)
\[\frac{m}{2}\]
done
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D)
\[4m\]
done
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question_answer 39) A plano-concave lens is made of glass of refractive index 1.5 and the radius of curvature of its curved face is 100 cm. What is the power of the lens?
A)
\[+\,0.5\,D\]
done
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B)
\[-0.5\,D\]
done
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C)
\[-2\,D\]
done
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D)
\[+\,2\,D\]
done
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question_answer 40) Four charges equal to -Q are placed at the four comers of a square and a charge q is at its centre. If the system is in equilibrium, the value of q is
A)
\[\frac{-Q}{4}(1+2\sqrt{2})\]
done
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B)
\[\frac{Q}{4}(1+2\sqrt{2})\]
done
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C)
\[\frac{-Q}{2}(1+2\sqrt{2})\]
done
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D)
\[\frac{Q}{2}(1+2\sqrt{2})\]
done
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question_answer 41) Two aromatic compounds having formula \[{{C}_{7}}{{H}_{8}}O\]which are easily identifiable by \[FeC{{l}_{3}}\]solution test (violet colouration) are
A)
o-cresol and benzyl alcohol
done
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B)
m-cresol and p-cresol
done
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C)
o-cresol and p-cresol
done
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D)
methyl phenyl ether and benzyl alcohol
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question_answer 42) The ease of dehydrohalogenation of alkyl halide with alcoholic KOH is
A)
\[{{3}^{o}}<{{2}^{o}}<{{1}^{o}}\]
done
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B)
\[{{3}^{o}}>{{2}^{o}}>{{1}^{o}}\]
done
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C)
\[{{3}^{o}}<{{2}^{o}}>{{1}^{o}}\]
done
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D)
\[{{3}^{o}}>{{2}^{o}}<{{1}^{o}}\]
done
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question_answer 43)
The ease of nitration of the following three hydrocarbons follows the order
A)
II = III = I
done
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B)
II > III > I
done
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C)
III > II > I
done
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D)
I = III > II
done
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question_answer 44) The correct order of decreasing acidity of nitrophenols will be
A)
m- nitrophenol>p-nitrophenol>o-nitrophenol
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B)
o-nitrophenol >m-nitrophenol> p-nitrophenol
done
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C)
p-nitrophenol>m-mtrophenol> o-nitrophenol
done
clear
D)
p-nitrophenol > o-nitrophenol > m-nitrophenol
done
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question_answer 45) Among the alkenes which one produces tertiary butyl alcohol on acid hydration?
A)
\[C{{H}_{3}}C{{H}_{2}}CH=C{{H}_{2}}\]
done
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B)
\[C{{H}_{3}}CH=CHC{{H}_{3}}\]
done
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C)
\[{{(C{{H}_{3}})}_{2}}C=C{{H}_{2}}\]
done
clear
D)
\[C{{H}_{3}}-CH=C{{H}_{2}}\]
done
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question_answer 46) Which of the following compounds has maximum volatility?
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 47) Which one of the following will show optical isomerism?
A)
\[HO-\underset{H}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{C-C{{O}_{2}}H}}}\,}}}\,\]
done
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B)
\[{{H}_{3}}C-\underset{OH}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{C-C{{O}_{2}}H}}}\,}}}\,\]
done
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C)
\[{{H}_{3}}C-\underset{H}{\overset{C\,{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C-C{{O}_{2}}H}}}\,}}}\,\]
done
clear
D)
\[{{H}_{3}}C-\underset{Cl}{\overset{C\,{{H}_{3}}}{\mathop{\underset{|}{\overset{|}{\mathop{C-C{{O}_{2}}H}}}\,}}}\,\]
done
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question_answer 48) The pH of an aqueous solution of \[C{{H}_{3}}COONa\]of concentration C(M) is given by
A)
\[7-\frac{1}{2}p{{K}_{a}}-\frac{1}{2}\log \,C\]
done
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B)
\[\frac{1}{2}p{{K}_{w}}+\frac{1}{2}p{{K}_{b}}+\frac{1}{2}\log \,C\]
done
clear
C)
\[\frac{1}{2}p{{K}_{w}}-\frac{1}{2}p{{K}_{b}}-\frac{1}{2}\log \,C\]
done
clear
D)
\[\frac{1}{2}p{{K}_{w}}+\frac{1}{2}p{{K}_{a}}+\frac{1}{2}\log \,C\]
done
clear
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question_answer 49) The standard reduction potential \[{{\text{E}}^{\text{o}}}\]for half- reaction are \[Zn\to Z{{n}^{2+}}+2{{e}^{-}};{{E}^{o}}=+0.76\,V\] \[Fe\to F{{e}^{2+}}+2{{e}^{-}};{{E}^{o}}=+\,0.41\,V\] The EMF of the cell reaction \[F{{e}^{2+}}+Zn\to Z{{n}^{2+}}+Fe\]is
A)
\[-0.35\,V\]
done
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B)
\[+\,0.35\text{ }V\]
done
clear
C)
\[+1.17\,V\]
done
clear
D)
\[-1.17\,V\]
done
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question_answer 50) If the equilibrium constants of the following equilibria, \[S{{O}_{2}}+\frac{1}{2}{{O}_{2}}\to S{{O}_{3}}\]and \[2S{{O}_{3}}\to 2S{{O}_{2}}+{{O}_{2}}\] are given by \[{{K}_{1}}\] and \[{{K}_{2}}\] respectively, which of the following relations is correct?
A)
\[{{K}_{2}}={{\left( \frac{1}{{{K}_{1}}} \right)}^{2}}\]
done
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B)
\[{{K}_{1}}={{\left( \frac{1}{{{K}_{2}}} \right)}^{3}}\]
done
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C)
\[{{K}_{2}}=\left( \frac{1}{{{K}_{1}}} \right)\]
done
clear
D)
\[{{K}_{2}}={{({{K}_{1}})}^{2}}\]
done
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question_answer 51) The energy of an electron in first Bohr orbit of H-atom is -13.6 eV. The possible energy value of electron in the excited state of \[\text{L}{{\text{i}}^{\text{2+}}}\] is
A)
-122.4 eV
done
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B)
30.6 eV
done
clear
C)
-30.6 eV
done
clear
D)
13.6 eV
done
clear
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question_answer 52) The amount of the heat released when 20 mL 0.5 M NaOH is mixed with 100 mL M HCl is \[x\,kJ.\] The heat of neutralization is
A)
\[-100\,x\,\text{kJ/mol}\]
done
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B)
\[-50\,x\,\text{kJ/mol}\]
done
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C)
\[+\,100\,x\,\text{kJ/mol}\]
done
clear
D)
\[+50\,x\,\text{kJ/mol}\]
done
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question_answer 53) Which one of the following has the lowest ionisation energy?
A)
\[1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}}\]
done
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B)
\[1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},3{{s}^{1}}\]
done
clear
C)
\[1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{5}}\]
done
clear
D)
\[1s,\,2{{s}^{2}},\,2{{p}^{3}}\]
done
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question_answer 54) The ozone layer forms naturally by
A)
the interaction of CFC with oxygen
done
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B)
the interaction of UV radiation with oxygen
done
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C)
the interaction of IR radiation with oxygen
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D)
the interaction of oxygen and water vapour
done
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question_answer 55) 2 g of metal carbonate is neutralized completely by 100 mL of 0.1 N HCl. The equivalent weight of metal carbonate is
A)
50
done
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B)
100
done
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C)
150
done
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D)
200
done
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question_answer 56) Which one of the following is not true at room temperature and pressure?
A)
\[{{\text{P}}_{\text{4}}}{{\text{O}}_{\text{10}}}\] is white solid
done
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B)
\[\text{S}{{\text{O}}_{2}}\]is a colourless gas
done
clear
C)
\[\text{S}{{\text{O}}_{3}}\]is a colourless gas
done
clear
D)
\[\text{N}{{\text{O}}_{2}}\]is a brown gas
done
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question_answer 57) An electric current is passed through an aqueous solution of a mixture of alanine (isoelectric point 6.0), glutamic acid (3.2) and arginine (10.7) buffered at pH 6. What is the fate of the three acids?
A)
Glutamic acid migrates to anode at pH 6. Arginine is present as a cation and migrates to the cathode. Alanine in a dipolar ion remains uniformly distributed in solution
done
clear
B)
Glutamic acid migrates to cathode and others remain uniformly distributed in solution
done
clear
C)
All three remain uniformly distributed in solution
done
clear
D)
All three move to cathode
done
clear
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question_answer 58) The representation of the ground state electronic configuration of He by box-diagram as \[\] is wrong because it violates
A)
Heisenbergs uncertainty principle
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B)
Bohrs quantization theory of angular momenta
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C)
Pauli exclusion principle
done
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D)
Hunds rule
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question_answer 59) The electronic transitions from \[n=2\] to \[n=1\]will produce shortest wavelength in (where n = principal quantum state)
A)
\[L{{i}^{2+}}\]
done
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B)
\[H{{e}^{+}}\]
done
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C)
H
done
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D)
\[{{H}^{+}}\]
done
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question_answer 60) In the following electron-dot structure, calculate the formal charge from left to right nitrogen atom; \[\underset{\centerdot \,\,\centerdot }{\overset{\centerdot \,\,\centerdot }{\mathop{N}}}\,=N=\underset{\centerdot \,\,\centerdot }{\overset{\centerdot \,\,\centerdot }{\mathop{N}}}\,\]
A)
\[-1,-\text{ }1,+\text{ }1\]
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B)
\[-1,+1,-1\]
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C)
\[+1,-\text{ }1,-1\]
done
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D)
\[+1,-\text{ }1,+1\]
done
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question_answer 61) If the molecular wt. of \[\text{N}{{\text{a}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{\text{3}}}\]and \[{{\text{I}}_{\text{2}}}\] are \[{{\text{M}}_{1}}\]and \[{{\text{M}}_{2}}\]respectively then what will be the equivalent weight of \[\text{N}{{\text{a}}_{\text{2}}}{{\text{S}}_{\text{2}}}{{\text{O}}_{\text{3}}}\]and \[{{\text{I}}_{2}}\]in the following reaction? \[2{{S}_{2}}O_{3}^{2-}+{{I}_{2}}\xrightarrow{{}}{{S}_{4}}O_{6}^{2-}+2{{I}^{-}}\]
A)
\[{{M}_{1}},{{M}_{2}}\]
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B)
\[{{M}_{1}},{{M}_{2}}/2\]
done
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C)
\[2{{M}_{1}},{{M}_{2}}\]
done
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D)
\[{{M}_{1}}2{{M}_{2}}\]
done
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View Answer play_arrow
question_answer 62) A radioactive atom \[_{\text{Y}}^{\text{X}}\text{M}\]emits two \[\alpha \] particles and one P particle successively. The number of neutrons in the nucleus of the product will be
A)
\[X-4-Y\]
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B)
\[X-Y-5\]
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C)
\[X-Y-3\]
done
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D)
\[X-Y-6\]
done
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question_answer 63) An element belongs to group 15 and third period of the Periodic Table. Its electronic configuration will be
A)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{3}}\]
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B)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{4}}\]
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C)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{3}}\]
done
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D)
\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{2}}\]
done
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question_answer 64) Which one of the following is paramagnetic?
A)
\[{{N}_{2}}\]
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B)
NO
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C)
CO
done
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D)
\[{{O}_{3}}\]
done
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question_answer 65) Platinum, palladium and iridium are called noble metals because
A)
Alfred Nobel discovered them
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B)
they are shining lustrous and pleasing to look at
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C)
they are found in native state
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D)
they are inert towards many common reagents
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question_answer 66) Which one is not a constituent of nucleic acid?
A)
Uracil
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B)
Guanidine
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C)
Phosphoric acid
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D)
Ribose sugar
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question_answer 67) The \[s{{p}^{3}}{{d}^{2}}\]hybridisation of central atom of a molecule would lead to
A)
square planar geometry
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B)
tetrahedral geometry
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C)
trigonal bipyramidal geometry
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D)
octahedral geometry
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question_answer 68) In aqueous solution glucose remains as
A)
only in open chain form
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B)
only in pyranose form
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C)
only in furanose form
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D)
in all three forms in equilibrium
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question_answer 69) Which of the following is used to prepare \[\text{C}{{\text{l}}_{\text{2}}}\]gas at room temperature from concentrated HCl?
A)
\[\text{Mn}{{\text{O}}_{2}}\]
done
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B)
\[{{H}_{2}}S\]
done
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C)
\[KMn{{O}_{4}}\]
done
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D)
\[C{{r}_{2}}{{O}_{3}}\]
done
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question_answer 70) \[\text{N}{{\text{O}}_{\text{2}}}\]is not obtained on heating
A)
\[AgN{{O}_{3}}\]
done
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B)
\[KN{{O}_{3}}\]
done
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C)
\[Cu{{(N{{O}_{3}})}_{2}}\]
done
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D)
\[Pb{{(N{{O}_{3}})}_{2}}\]
done
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question_answer 71) The normality of 30 volume \[{{H}_{2}}{{O}_{2}}\]is
A)
2.678 N
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B)
5.336 N
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C)
8.034 N
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D)
6.685 N
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question_answer 72) Reaction of formaldehyde and ammonia gives
A)
hexamethylene tetramine
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B)
bake lite
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C)
urea
done
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D)
triethylene tetramine
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question_answer 73) A plot of In K against\[\frac{1}{T}\] (abscissa) is expected to be a straight line with intercept on ordinate axis equal to
A)
\[\frac{\Delta {{S}^{o}}}{2.303R}\]
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B)
\[\frac{\Delta {{S}^{o}}}{R}\]
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C)
\[-\frac{\Delta {{S}^{o}}}{R}\]
done
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D)
\[R\times \Delta {{S}^{o}}\]
done
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question_answer 74) Which of the following represents the composition of camallite mineral?
A)
\[{{K}_{2}}O.A{{l}_{2}}{{O}_{3}}.6Si{{O}_{2}}\]
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B)
\[KN{{O}_{3}}\]
done
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C)
\[{{K}_{2}}S{{O}_{4}}.MgS{{O}_{4}}.MgC{{l}_{2}}.6{{H}_{2}}O\]
done
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D)
\[KCl.MgC{{l}_{2}}.6{{H}_{2}}O\]
done
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question_answer 75) The solubility of \[C{{a}_{3}}{{(P{{O}_{4}})}_{2}}\]in water is y mol/L. Its solubility product is
A)
\[6{{y}^{4}}\]
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B)
\[36{{y}^{4}}\]
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C)
\[64{{y}^{5}}\]
done
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D)
\[108{{y}^{5}}\]
done
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question_answer 76) Paracetamol is
A)
methyl salicylate
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B)
phenyl salicylate
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C)
N-acetyl p-amino phenol
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D)
acetyl salicylic acid
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View Answer play_arrow
question_answer 77) Anhydrous ferric chloride is prepared by
A)
dissoving \[Fe{{(OH)}_{3}}\]in concentrated \[HCl\]
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B)
dissolving \[Fe{{(OH)}_{3}}\]in dilute HCl
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C)
passing dry HCl over heated iron scrap
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D)
passing dry \[\text{C}{{\text{l}}_{\text{2}}}\]gas over heated iron scrap
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View Answer play_arrow
question_answer 78) Which one of the following is 5-butyl phenyl vinyl methane?
A)
done
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B)
done
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C)
done
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D)
done
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View Answer play_arrow
question_answer 79) Hybridisation of \[{{C}_{2}}\] and \[{{C}_{3}}\] of \[{{H}_{3}}C-CH=CH-C{{H}_{3}}\]are
A)
\[sp,s{{p}^{3}}\]
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B)
\[s{{p}^{2}},sp\]
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C)
\[s{{p}^{2}},s{{p}^{2}}\]
done
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D)
\[sp,sp\]
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question_answer 80) Which of the following compounds is not formed in iodoform reaction of acetone?
A)
\[C{{H}_{3}}COC{{H}_{2}}I\]
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B)
\[IC{{H}_{2}}COC{{H}_{2}}I\]
done
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C)
\[C{{H}_{3}}COCH{{I}_{2}}\]
done
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D)
\[C{{H}_{3}}COC{{I}_{3}}\]
done
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question_answer 81) Glucose and amino acids are reabsorbed in the
A)
proximal tubule
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B)
distal tubule
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C)
collecting duct
done
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D)
loop of Henie
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question_answer 82) The amount of CSF in the cranial cavity
A)
500 mL
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B)
140 mL
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C)
1 litre
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D)
1.5 mL
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question_answer 83) Which one is imino add?
A)
Pepsin
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B)
Proline
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C)
Cysteine
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D)
Renin
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question_answer 84) The main difference between Gram positive and Gram negative bacteria is
A)
cell membrane
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B)
cell wall
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C)
ribosome
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D)
mitochondria
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question_answer 85) ACTH is secreted from
A)
adrenal cortex
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B)
pituitary
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C)
adrenal medulla
done
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D)
thyroid
done
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question_answer 86) Which of the following is the correct pathway for propagation of cardiac impulse?
A)
SA node\[\to \]AV node\[\to \]Bundle of His\[\to \] Purkinje fibres
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B)
AV node \[\to \] Bundle of His \[\to \] SA node \[\to \] Purkinje fibres
done
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C)
SA node \[\to \] Purkinje fibres \[\to \] AV node \[\to \] Bundle of His
done
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D)
Purkinje fibres\[\to \]AV node\[\to \]SA node\[\to \] Bundle of His
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question_answer 87) Inner surface of the bronchi, bronchioles and fallopian tubes are lined by
A)
cubical epithelium
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B)
columnar epithelium
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C)
squamous epithelium
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D)
ciliated epithelium
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question_answer 88) Electric potential of the brain is recorded by
A)
CT scan
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B)
Sphygmomanometer
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C)
ECG
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D)
EEG
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question_answer 89) Which of the following is related to humoral immunity?
A)
T-lymphocyte
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B)
B-lymphocyte
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C)
I-lymphocyte
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D)
P-lymphocyte
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question_answer 90) Fertilization occur in
A)
uterus
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B)
ureter
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C)
vagina
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D)
fallopian tube
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question_answer 91) The gastrin is secreted from
A)
intestine
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B)
stomach
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C)
pancreas
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D)
rectum
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question_answer 92) The cause of cretinism is
A)
hypothyroidism
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B)
hypoparathyroidism
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C)
hyperthyroidism
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D)
hyperparathyroidism
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question_answer 93) Which of the following is a minerelocorticoid?
A)
Testosterone
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B)
Progesterone
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C)
Adrenalin
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D)
Aldosterone
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question_answer 94) The part of the brain where the centre for hunger and thirst is located is
A)
cerebrum
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B)
hypothalamus
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C)
cerebellum
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D)
medulla oblongata
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question_answer 95) The reflex arc, which is made of two neurons is known as
A)
monosynaptic reflex arc
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B)
disynaptic reflex arc
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C)
polysynaptic reflex arc
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D)
asynaptic reflex arc
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question_answer 96) The lactase hydrolyses lactose into
A)
glucose
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B)
glucose and galactose
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C)
fructose
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D)
glucose and fructose
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question_answer 97) In 24 hours, total glomerular filtrate formed in human kidney is
A)
1.7 litres
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B)
7 litres
done
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C)
17 litres
done
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D)
170 litres
done
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question_answer 98) When the oxygen supply to the tissue in inadequate, the condition is
A)
dyspnea
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B)
hypoxia
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C)
asphyxia
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D)
apnea
done
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question_answer 99) Which one of the following is not a second messenger in hormone action?
A)
Calcium
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B)
Sodium
done
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C)
c AMP
done
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D)
c GMP
done
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question_answer 100) The name of the pace maker of the heart is
A)
lymph node
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B)
SA node
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C)
juxtaglomerular apparatus
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D)
semilunar valve
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question_answer 101) What is a genophore?
A)
DNA in prokaryotes
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B)
DNA and RNA in prokaryotes
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C)
DNA and protein in prokaryotes
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D)
RNA in prokaryotes
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question_answer 102) Example of a typical homopolysaccharide is
A)
lignin
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B)
suberin
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C)
inulin
done
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D)
starch
done
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question_answer 103) Who wrote the famous book Origin of Species?
A)
Lamarck
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B)
Darwin
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C)
de Vries
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D)
Mendel
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question_answer 104) Polyploid derived from two different species is called
A)
autopolyploid
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B)
triploid
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C)
allopolyploid
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D)
monoploid
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question_answer 105) Electrons used in electron microscope are of the wavelength
A)
0.05\[Ao\]
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B)
0.15\[Ao\]
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C)
0.25\[Ao\]
done
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D)
0.30\[Ao\]
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question_answer 106) Biolistic technique is used in
A)
tissue culture process
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B)
gene transfer process
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C)
hybridization process
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D)
germplasm conservation process
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question_answer 107) Example of water soluble plant pigment is
A)
chlorophyll- a
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B)
chlorophyll- b
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C)
anthocyanin
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D)
xanthophylls
done
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question_answer 108) Structural element of chromatin is
A)
histone
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B)
acid protein and DNA
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C)
nuclear matrix
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D)
nucleosomes
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question_answer 109) Inulin is a polymer of
A)
glucose
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B)
galactose
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C)
fructose
done
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D)
arabinose
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question_answer 110) Mannitol is
A)
amino acid
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B)
amino alcohol
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C)
sugar alcohol
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D)
sugar acid
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question_answer 111) A flower which can be divided into two equal halves by only one plane is
A)
zygomorphic
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B)
actinomorphic
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C)
regular
done
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D)
perfect
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question_answer 112) Pieces of plant tissue used in culture is called
A)
explant
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B)
domaclone
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C)
inoculant
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D)
clone
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question_answer 113) VAM is
A)
symbiotic bacteria
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B)
saprophytic bacteria
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C)
saprophytic fungi
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D)
symbiotic fungi
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question_answer 114) Ovule integument gets transformed into
A)
seed
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B)
fruit wall
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C)
seed coat
done
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D)
cotyledons
done
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question_answer 115) Acid rain is caused by
A)
\[N{{O}_{2}}\]
done
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B)
\[S{{O}_{2}}\] and \[N{{O}_{2}}\]
done
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C)
\[S{{O}_{3}}\]
done
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D)
\[C{{O}_{2}}\]
done
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question_answer 116) Which one of the following bacterium is used for production of transgenic plants
A)
Escherichia coli
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B)
Bacillus thuringiensis
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C)
Staphylococcus aureus
done
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D)
Agrobacterium tumefadens
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question_answer 117) A plant cell becomes turgid due to
A)
plasmolysis
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B)
exosmosis
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C)
endosmosis
done
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D)
electrolysis
done
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question_answer 118) Restriction enzymes are used to cut
A)
single stranded RNA
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B)
double stranded DNA
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C)
single stranded DNA
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D)
double stranded RNA
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question_answer 119) Spindle fibre is made up of
A)
humulin
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B)
intermediate filament
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C)
flagellin
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D)
tubulin
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question_answer 120) Edible part of mushroom is
A)
basidiocarp
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B)
primary mycelium
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C)
fungal hyphae
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D)
basidiospores
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question_answer 121) Calcium level decreases in the blood due to hyposecretion of
A)
parathyroid hormone
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B)
calcitonin
done
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C)
thyroxine
done
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D)
adrenaline
done
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question_answer 122) Kupffers cells are
A)
phagocytic
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B)
actin
done
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C)
myosin
done
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D)
fibrin
done
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question_answer 123) Which centre is stimulated during increase in body temperature?
A)
Anterior hypothalamus
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B)
Posterior hypothalamus
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C)
Limbic system
done
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D)
Red nucleus
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question_answer 124) Name the following having oxygen storing capacity
A)
myoglobin
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B)
prophase- II
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C)
anaphase- I
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D)
metaphase- II
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question_answer 125) Longest phase of meiosis
A)
prophase- I
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B)
prophase- II
done
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C)
anaphase- I
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D)
metaphase- II
done
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question_answer 126) Tetany is caused by
A)
hyperparathyroidism
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B)
hypoparathyroidism
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C)
hyperthyroidism
done
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D)
hypothyroidism
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question_answer 127) Which the following is a gastrointestme hormone?
A)
Prolactin
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B)
Enterogastrone
done
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C)
GH
done
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D)
FSH
done
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question_answer 128) Name the hormone that has no role in menstruation
A)
LH
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B)
FSH
done
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C)
GH
done
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D)
TSH
done
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question_answer 129) Which of the following substances can cure Parkinsons disease?
A)
GABA
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B)
Acetylcholine
done
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C)
Dopamine
done
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D)
Glutamic acid
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question_answer 130) Movement of tongue muscle is controlled by
A)
facial nerve
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B)
trigeminal nerve
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C)
hypoglossal nerve
done
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D)
vagus nerve
done
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question_answer 131) Which function will be lost due to damage of occipital lobe?
A)
Hearing
done
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B)
Speech
done
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C)
Vision
done
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D)
Memory
done
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question_answer 132) Meissners corpuscles occur in
A)
brain
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B)
nerve cells
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C)
skin
done
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D)
tongue
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question_answer 133) Osteomalacia is a deficiency disease of
A)
infants due to protein energy malnutrition
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B)
adults due to protein energy malnutrition
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C)
adults due to vitamin-D deficiency
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D)
infants due to vitamin-K deficiency
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question_answer 134) The gene of sickle cell anaemia is inherited by
A)
blood cells
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B)
bone cells
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C)
sex chromosomes
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D)
autosomes
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question_answer 135) Ptyalin is inactivated by a component of gastric juice known as
A)
pepsin
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B)
mucus
done
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C)
renin
done
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D)
HCl
done
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question_answer 136) Which one of the following human cells do not contain mitochondria?
A)
Nerve cell
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B)
Red blood cell
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C)
Liver cell
done
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D)
White blood cell
done
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question_answer 137) In which stage of the first meiotic division two sister chromatids are formed?
A)
Leptotene
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B)
Zygotene
done
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C)
Pachytene
done
clear
D)
Diplotene
done
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question_answer 138) Which one of the following triplet codon is a chain termination codon?
A)
UGU
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B)
AAU
done
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C)
UUG
done
clear
D)
UAG
done
clear
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question_answer 139) How many pairs of contrasting characters in pea pod were chosen by Mendel?
A)
3
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B)
5
done
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C)
7
done
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D)
9
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question_answer 140) If a cross between two individuals produces offsprings with 50% dominant character and 50% recessive character the genotype of parents are
A)
\[Aa\times Aa\]
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B)
\[Aa\times aa\]
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C)
\[AA\times aa\]
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D)
\[AA\times Aa\]
done
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question_answer 141) Structural lipids of cell membrane are
A)
simple lipid
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B)
chromolipids
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C)
steroid
done
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D)
phospholipids
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question_answer 142) Which one of the following is polysaccharide?
A)
Glycogen
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B)
Sucrose
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C)
Lactose
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D)
Maltose
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question_answer 143) What will be the codons in mRNA if the DNA codes are ATG-CAG?
A)
TAC-GTC
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B)
UAC-GUC
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C)
UCA-TUA
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D)
TCA-GTC
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question_answer 144) Which of the following species is restricted to a specific area?
A)
Sibling species
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B)
Allopatric species
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C)
Sympatric species
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D)
Endemic species
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question_answer 145) Which of the following is not correctly matched?
A)
Sycon ? Canal system
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B)
Star fish ? Radial symmetry
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C)
Ascaris ? Flame cell
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D)
Prawn ? Haemocoel
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question_answer 146) Which one of the following animal phyla does not possess a coelom?
A)
Platyhelminthes
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B)
Annelida
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C)
Mollusca
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D)
Echinodermata
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question_answer 147) Cardiac muscles are
A)
striated and voluntary
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B)
striated and involuntary
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C)
smooth and voluntary
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D)
smooth and involuntary
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question_answer 148) Which one of the following immunoglobulins is found as pentamer?
A)
IgG
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B)
IgM
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C)
IgA
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D)
IgE
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question_answer 149) Which one of the following cells is not a phagocytic cell?
A)
Macrophage
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B)
Monocyte
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C)
Neutrophil
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D)
Basophil
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question_answer 150) Which one of the following is the most primitive ancestor of man?
A)
Homo habilis
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B)
Australopithecus
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C)
Ramapithecus punjabicus
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D)
Homo neanderthalensis
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question_answer 151) A female Anopheles mosquito can be recognized by
A)
proboscis and palpi are long and more or less of equal length
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B)
proboscis long and palpi short
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C)
proboscis short and palpi long
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D)
Both proboscis and palpi are short
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question_answer 152) The anterior V- spot in microfilaria of Wuchereria represents
A)
nerve ring
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B)
cervical papilla
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C)
excretory system
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D)
reproductive system
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question_answer 153) In a population, unrestricted reproductive capacity is called
A)
biotic potential
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B)
fertility
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C)
carrying capacity
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D)
birthrate
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question_answer 154) When the two ecosystems overlap each other, the area is called
A)
habitat
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B)
niche
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C)
ecotone
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D)
ecotype
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question_answer 155) Pyramid of energy in ecosystems is
A)
always upright
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B)
always inverted
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C)
mostly upright
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D)
mostly inverted
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question_answer 156) Which one of the following is mainly responsible for green houses effect?
A)
\[S{{O}_{2}}\]
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B)
\[C{{O}_{2}}\]
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C)
\[CO\]
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D)
\[~{{O}_{2}}\]
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question_answer 157) Which one of the following is an exotic carp species?
A)
Barbus stigma
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B)
Cyprinus carpio
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C)
Labeo bata
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D)
Cirrhinus mrigala
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question_answer 158) Which of the following two hormones are essential for induced breeding of fishes?
A)
TSH and ACTH
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B)
Oestrogen and progesterone
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C)
FSH and LH
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D)
Vasopressin and oxytocin
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question_answer 159) Which stage of malarial parasite is infective toman?
A)
Gametocyte
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B)
Merozoite
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C)
Cryptomerozoite
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D)
Sporozoite
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question_answer 160) The scientific name of the moth which produce tasar is
A)
Bombyxmori
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B)
Antherae mylitta
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C)
Antherae assamensis
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D)
Philosomia ricini
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