question_answer 1) If force\[(F)\], work \[(W)\] and velocity \[(V)\] are taken as fundamental quantities, then the dimensional formula of time\[(T)\]is
A)
\[[WFv]\]
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B)
\[[WF{{v}^{-1}}]\]
done
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C)
\[[{{W}^{-1}}{{F}^{-1}}v]\]
done
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D)
\[[W{{F}^{-1}}{{v}^{-1}}]\]
done
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question_answer 2) Given two vectors \[\mathbf{\vec{A}}=-\mathbf{\hat{i}}+2\mathbf{\hat{j}}-3\mathbf{\hat{k}}\] and\[\mathbf{\vec{B}}=4\mathbf{\hat{i}}-2\mathbf{\hat{j}}+6\mathbf{\hat{k}}\]. The angle made by\[(\mathbf{\vec{A}}+\mathbf{\vec{B}})\]with \[x-\]axis is
A)
\[{{30}^{o}}\]
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B)
\[{{45}^{o}}\]
done
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C)
\[{{60}^{o}}\]
done
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D)
\[{{90}^{o}}\]
done
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question_answer 3) A body is thrown vertically up with certain initial velocity. The potential and kinetic energies of the body are equal at a point P in its path. If the same body is thrown with double the velocity upwards, the ratio of potential and kinetic energies of the body when it crosses the same point, is
A)
\[1:1\]
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B)
\[1:4\]
done
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C)
\[1:7\]
done
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D)
\[1:8\]
done
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question_answer 4) A body of mass \[2kg\] is thrown up vertically with kinetic energy of\[490J\]. If \[g=9.8\text{ }m/{{s}^{2}}\], the height at which the kinetic energy of the body becomes half of the original value, is
A)
\[50m\]
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B)
\[25m\]
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C)
\[12.5m\]
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D)
\[19.6m\]
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question_answer 5) The apparent weight of a person inside a lift is \[{{w}_{1}}\] when lift moves up with a certain acceleration and is \[{{w}_{2}}\] when lift moves down with same acceleration. The weight of the person when lift moves up with constant speed is
A)
\[\frac{{{w}_{1}}+{{w}_{2}}}{2}\]
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B)
\[\frac{{{w}_{1}}-{{w}_{2}}}{2}\]
done
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C)
\[2{{w}_{1}}\]
done
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D)
\[2{{w}_{2}}\]
done
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question_answer 6)
In the figure, pendulum bob on left side is pulled aside to a height h from its initial position. After it is released it collides with the right pendulum bob at rest, which is of same mass. After the collision the two bobs stick together and raise to a height
A)
\[\frac{3h}{4}\]
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B)
\[\frac{2h}{3}\]
done
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C)
\[\frac{h}{2}\]
done
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D)
\[\frac{h}{4}\]
done
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question_answer 7) A sphere of mass m moving with constant velocity\[u\], collides with another stationary sphere of same mass. If e is the coefficient of restitution, the ratio of the final velocities of the first and second spheres is
A)
\[\frac{1+e}{1-e}\]
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B)
\[\frac{1-e}{1+e}\]
done
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C)
\[\frac{e}{1-e}\]
done
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D)
\[\frac{1+e}{e}\]
done
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question_answer 8) A block of mass \[2kg\] is placed on the surface of a trolley of mass \[20kg\] which is on a smooth surface. The coefficient of friction between the block and the surface of the trolley is\[0.25\]. If a horizontal force of \[2N\] acts on the block, the acceleration of the system in \[m{{s}^{-2}}\] is\[(g=10m{{s}^{-2}})\]
A)
\[1.8\]
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B)
\[1.0\]
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C)
\[0.9\]
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D)
\[0.09\]
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question_answer 9) The radius of gyration of a rod of length \[L\] and mass \[M\] about an axis perpendicular to its length and passing through a point at a distance \[L/3\] from one of its ends is
A)
\[\frac{\sqrt{7}}{6}L\]
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B)
\[\frac{{{L}^{2}}}{9}\]
done
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C)
\[\frac{L}{3}\]
done
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D)
\[\frac{\sqrt{5}}{2}L\]
done
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question_answer 10) A ball of mass \[0.6kg\] attached to a light inextensible string rotates in a vertical circle of radius \[0.75m\] such that it has a speed of\[5m{{s}^{-1}}\] when the string is horizontal. Tension in string when it is horizontal on other side is\[(g=10m{{s}^{-2}})\]
A)
\[30N\]
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B)
\[26N\]
done
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C)
\[20N\]
done
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D)
\[6N\]
done
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question_answer 11) A body of mass m is raised from the surface of the earth to a height nR (R = radius of earth). Magnitude of the change in the gravitational potential energy of the body is (\[g=\] acceleration due to gravity on the surface of earth)
A)
\[\left( \frac{n}{n+1} \right)mgR\]
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B)
\[\left( \frac{n-1}{n} \right)mgR\]
done
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C)
\[\left( \frac{mgR}{n} \right)\]
done
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D)
\[\frac{mgR}{(n-1)}\]
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question_answer 12) The displacement of a particle of mass\[3g\] executing simple harmonic motion is given by \[Y=3\,\,\sin (0.2t)\] in SI units. The kinetic energy of the particle at a point which is at a distance equal to \[\frac{1}{3}\] of its amplitude from its mean position is
A)
\[12\times {{10}^{3}}J\]
done
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B)
\[25\times {{10}^{-3}}J\]
done
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C)
\[0.48\times {{10}^{-3}}J\]
done
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D)
\[0.24\times {{10}^{-3}}J\]
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question_answer 13) A body subjected to strain several times will not obey Hookes law due to
A)
yield point
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B)
permanent state
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C)
elastic fatigue
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D)
breaking stress
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question_answer 14) A liquid drop of radius \[R\] breaks into 64 tiny drops each of radius\[r\]. If the surface tension of the liquid is \[T\], then the gain in energy is
A)
\[48\pi {{R}^{2}}T\]
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B)
\[12\pi {{r}^{2}}T\]
done
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C)
\[96\pi {{R}^{2}}T\]
done
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D)
\[192\pi {{r}^{2}}T\]
done
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question_answer 15) The pressure on the top surface of an aeroplane wing is \[0.8\times {{10}^{5}}\] Pa and the pressure on the bottom surface is \[0.75\times {{10}^{5}}\] Pa. If the area of each surface is\[50\,\,{{m}^{2}}\], the dynamic lift on the wing is
A)
\[25\times {{10}^{4}}N\]
done
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B)
\[0.5\times {{10}^{4}}N\]
done
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C)
\[5\times {{10}^{4}}N\]
done
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D)
\[0.25\times {{10}^{5}}N\]
done
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question_answer 16) Two rods of different materials with coefficients of linear thermal expansion\[{{\alpha }_{1}},\,\,{{\alpha }_{2}}\]and Youngs moduli \[{{Y}_{1}}\] and \[{{Y}_{2}}\] respectively are fixed between two rigid walls. They are heated to have the same increase in temperature. If the rods do not bend and if\[{{\alpha }_{1}}:{{\alpha }_{2}}=2:3\], then the thermal stresses developed in the two rods will be equal when \[{{Y}_{1}}:{{Y}_{2}}\] is equal to
A)
\[2:3\]
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B)
\[2:5\]
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C)
\[3:2\]
done
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D)
\[5:2\]
done
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question_answer 17) What fraction of the volume of a glass flask must be filled with mercury so that the volume of the empty space may be the same at all temperatures? \[({{\alpha }_{glass}}=9\times {{10}^{-6}}/{}^\circ C,\,\,{{\gamma }_{Hg}}=18.9\times {{10}^{-5}}/{}^\circ C)\]
A)
\[\frac{1}{2}\]
done
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B)
\[\frac{1}{7}\]
done
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C)
\[\frac{1}{4}\]
done
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D)
\[\frac{1}{5}\]
done
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question_answer 18) For an adiabatic process, the relation between\[V\] and \[T\] is given by
A)
\[T{{V}^{\gamma }}=\]constant
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B)
\[{{T}^{\gamma }}V=\]constant
done
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C)
\[T{{V}^{1-\gamma }}=\]constant
done
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D)
\[T{{V}^{\gamma -1}}=\]constant
done
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question_answer 19) Consider the following two statements and choose the correct answer. (a) If heat is added to a system its temperature must always increase. (b) If positive work is done by a system in thermodynamic process, its volume must increase.
A)
Both (a) and (b) are correct
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B)
(A) is correct, but (B) is wrong
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C)
(B) is correct, but (A) is wrong
done
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D)
Both (A) and (B) are wrong
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question_answer 20) The power of a black body at temperature \[200K\] is\[544W\]. Its surface area is\[(\sigma =5.67\times {{10}^{-8}}W{{m}^{2}}{{K}^{-4}})\]
A)
\[6\times {{10}^{-2}}{{m}^{2}}\]
done
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B)
\[6{{m}^{2}}\]
done
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C)
\[6\times {{10}^{-6}}{{m}^{2}}\]
done
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D)
\[6\times {{10}^{2}}{{m}^{2}}\]
done
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question_answer 21) A uniform wire of linear density \[0.004kg\text{-}{{m}^{-1}}\] when stretched between two rigid supports with a tension \[3.6\times {{10}^{2}}N\] resonates with a frequency of\[420Hz\]. The next harmonic frequency with which the wire resonates is\[490Hz\]. The length of the wire in metres is
A)
\[1.41\]
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B)
\[2.14\]
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C)
\[2.41\]
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D)
\[3.14\]
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question_answer 22) To increase the frequency by\[20%\], the tension in the string vibrating on a sonometer has to be increased by
A)
\[44%\]
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B)
\[33%\]
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C)
\[22%\]
done
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D)
\[11%\]
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question_answer 23) In Ramsden eye-piece the focal length of each lens is\[F\]. The distance of the image formed by the objective lens from the eye lens is
A)
\[\frac{14F}{15}\]
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B)
\[\frac{13F}{14}\]
done
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C)
\[\frac{12F}{13}\]
done
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D)
\[\frac{11F}{12}\]
done
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question_answer 24) The velocities of light in two different mediums are \[2\times {{10}^{8}}m{{s}^{-1}}\] and \[2.5\times {{10}^{8}}m{{s}^{-1}}\] respectively. The critical angle for these mediums is
A)
\[{{\sin }^{-1}}\left( \frac{1}{5} \right)\]
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B)
\[{{\sin }^{-1}}\left( \frac{4}{5} \right)\]
done
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C)
\[{{\sin }^{-1}}\left( \frac{1}{2} \right)\]
done
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D)
\[{{\sin }^{-1}}\left( \frac{1}{4} \right)\]
done
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question_answer 25) A diverging meniscus lens of \[1.5\] refractive index has concave surfaces of radii \[3\] and\[4cm.\]The position of the image, if an object is placed \[12cm\] in front of the lens, is
A)
\[7cm\]
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B)
\[-8cm\]
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C)
\[9cm\]
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D)
\[10cm\]
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question_answer 26) The source is at some distance from an obstacle. Distance between obstacle and the point of observation is \[b\] and wavelength of light is\[\lambda \]. Then the average distance of nth Fresnel zone will be at a distance ... from the point of observation.
A)
\[\frac{bn\,\lambda }{2}\]
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B)
\[b-\frac{n\,\lambda }{2}\]
done
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C)
\[b+\frac{n\,\lambda }{2}\]
done
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D)
\[b-n\,\lambda \]
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question_answer 27) A bar magnet suspended freely in a uniform magnetic field is vibrating with a time period of\[3s\]. If the field strength is increased to\[4\] times of the earlier field strength, the time period will be (in seconds)
A)
12
done
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B)
6
done
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C)
1.5
done
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D)
0.75
done
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question_answer 28) A bar magnet of magnetic moment \[{{M}_{1}}\] is axially cut into two equal parts. If these two pieces are arranged perpendicular to each other, the resultant magnetic moment is\[{{M}_{2}}\]. Then the value of\[{{M}_{1}}/{{M}_{2}}\]is
A)
\[\frac{1}{2\sqrt{2}}\]
done
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B)
\[1\]
done
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C)
\[\frac{1}{\sqrt{2}}\]
done
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D)
\[\sqrt{2}\]
done
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question_answer 29)
The equivalent capacity between the points\[X\]and\[Y\]in the circuit with\[C=1\mu F\]is
A)
\[2\mu F\]
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B)
\[3\mu F\]
done
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C)
\[1\mu F\]
done
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D)
\[0.5\mu F\]
done
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question_answer 30) Three charges \[1\mu C,\,\,1\mu C\] and \[2\mu C\] are kept at the vertices \[A,\,\,B\] and \[C\] of an equilateral triangle \[ABC\] of \[10cm\] side, respectively. The resultant force on the charge at \[C\] is
A)
\[0.9N\]
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B)
\[1.8N\]
done
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C)
\[2.72N\]
done
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D)
\[3.6N\]
done
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question_answer 31) Two unknown resistances \[X\] and \[Y\] are connected to left and right gaps of a metre bridge and the balancing point is obtained at \[80cm\] from left. When a \[10\,\,\Omega \] resistance is connected in parallel to \[X\] the balancing point is \[50cm\] from left. The values of \[X\] and \[Y\] respectively are
A)
\[40\Omega ,\,\,9\Omega \]
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B)
\[30\Omega ,\,\,7.5\Omega \]
done
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C)
\[20\Omega ,\,\,6\Omega \]
done
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D)
\[10\Omega ,\,\,3\Omega \]
done
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question_answer 32) The current in a circuit containing a battery connected to \[2\Omega \] resistance is\[0.9A\]. When a resistance of \[7\Omega \] is connected to the same battery, the current observed in the circuit is\[0.3A\]. Then the internal resistance of the battery is
A)
\[0.1\Omega \]
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B)
\[0.5\Omega \]
done
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C)
\[1\Omega \]
done
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D)
\[zero\]
done
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question_answer 33) In a thermo-couple the cold junction is at\[{{30}^{o}}C.\] The temperature of inversion is found to be\[{{540}^{o}}C\], then the neutral temperature is
A)
\[{{270}^{o}}C\]
done
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B)
\[{{510}^{o}}C\]
done
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C)
\[{{285}^{o}}C\]
done
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D)
\[{{240}^{o}}C\]
done
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question_answer 34) The emf induced in a secondary coil is \[20000\,\,V\] when the current breaks in the primary coil. The mutual inductance is \[5H\] and the current reaches to zero in \[{{10}^{-4}}s\] in the primary. The maximum current in the primary before it breaks is
A)
\[0.1A\]
done
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B)
\[0.4A\]
done
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C)
\[0.6A\]
done
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D)
\[0.8A\]
done
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question_answer 35) Two coils are wound on the same iron rod so that the flux generated by one passes through the other. The primary coil has \[{{N}_{p}}\] turns in it and when a current \[2A\] flows through it the flux in it is\[2.5\times {{10}^{-4}}Wb\]. If the secondary coil has 12 turns the mutual inductance of the coils is (assume the secondary coil is in open circuit)
A)
\[10\times {{10}^{-4}}H\]
done
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B)
\[15\times {{10}^{-4}}H\]
done
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C)
\[20\times {{10}^{-4}}H\]
done
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D)
\[25\times {{10}^{-4}}H\]
done
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question_answer 36) A coil of 40 H inductance is connected in series with a resistance of \[8\Omega \] and this combination is connected to the terminals of a \[2V\] battery. The inductive time constant of the circuit is (in second)
A)
40
done
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B)
20
done
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C)
5
done
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D)
0.2
done
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question_answer 37) 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)
\[\frac{hv}{4}\]
done
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B)
\[\frac{hv}{3}\]
done
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C)
\[\frac{hv}{2}\]
done
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D)
\[\frac{2hv}{3}\]
done
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question_answer 38) A proton and an alpha particle are accelerated through the same potential difference. The ratio of the wavelengths associated with proton and alpha particle respectively is
A)
\[1:2:\sqrt{2}\]
done
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B)
\[2:1\]
done
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C)
\[2:\sqrt{2}:1\]
done
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D)
\[4:1\]
done
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question_answer 39) Electron belongs to which of the following class of elementary particles
A)
Hardon
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B)
Lepton
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C)
Boson
done
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D)
Baryon
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question_answer 40) In a transistor circuit the base current changes from \[30\mu A\] to\[90\mu A\]. If the current gain of the transistor is 30, the change in the collector current is
A)
\[4\,\,mA\]
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B)
\[2\,\,mA\]
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C)
\[3.6\,\,mA\]
done
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D)
\[1.8\,\,mA\]
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question_answer 41) A man slides down on a telegraphic pole with an acceleration equal to one-fourth of acceleration due to gravity. The frictional force between man and pole is equal to in terms of mans weight\[w\]
A)
\[\frac{w}{4}\]
done
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B)
\[\frac{w}{2}\]
done
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C)
\[\frac{3w}{4}\]
done
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D)
\[w\]
done
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question_answer 42) The magnitude of maximum acceleration is \[\pi \] times that of maximum velocity of a simple harmonic oscillator. The time period of the oscillator in second is
A)
4
done
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B)
2
done
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C)
1
done
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D)
0.5
done
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question_answer 43) A liquid does not wet the solid surface if the angle of contact is
A)
Zero
done
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B)
equal to\[{{45}^{o}}\]
done
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C)
equal to\[{{90}^{o}}\]
done
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D)
greater than\[{{90}^{o}}\]
done
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question_answer 44) A clock which keeps correct time at\[{{20}^{o}}C\], is subjected to\[{{40}^{o}}C\]. If coefficient of linear expansion of the pendulum is\[12\times {{10}^{-6}}{{/}^{o}}C\]. How much will it gain or lose time?
A)
10.3 s/day
done
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B)
20.6 s/day
done
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C)
5 s/day
done
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D)
20 min/day
done
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question_answer 45) Two gases \[A\] and \[B\] having same pressure\[P\], volume \[V\] and absolute temperature \[T\] are mixed. If the mixture has the volume and temperature as \[V\] and \[T\] respectively, then the pressure of the mixture is
A)
\[2\,\,P\]
done
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B)
\[P\]
done
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C)
\[\frac{P}{2}\]
done
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D)
\[4P\]
done
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question_answer 46) The temperature of the system decreases in the process of
A)
free expansion
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B)
adiabatic expansion
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C)
isothermal expansion
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D)
isothermal compression
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question_answer 47) In Ramsden eyepiece, the two planoconvex lenses each of focal length \[f\] are separated by a distance\[12cm\]. The equivalent focal length (in \[cm\]) of the eyepiece is
A)
10.5
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B)
12.0
done
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C)
13.5
done
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D)
15.5
done
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question_answer 48) In Huygens eyepiece
A)
the cross wires are outside the eyepiece
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B)
condition for achromatism is satisfied
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C)
condition for minimum spherical aberration is not satisfied
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D)
the image formed by the objective is a virtual image
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question_answer 49) The natural frequency of an\[L-C\] circuit is \[1,25,000\] cycle/s. Then the capacitor \[C\] is replaced by another capacitor with a dielectric medium of dielectric constant\[K\]. In this case, the frequency decreases by\[25kHz\]. The value of \[K\] is
A)
3.0
done
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B)
2.1
done
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C)
1.56
done
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D)
1.7
done
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question_answer 50) In Sun, the important source of energy is
A)
proton-proton cycle
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B)
carbon-nitrogen cycle
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C)
carbon-carbon cycle
done
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D)
nitrogen-nitrogen cycle
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question_answer 51) Calculate the difference between \[\Delta E\] and \[\Delta H\]for the following reaction at \[{{27}^{o}}C\](in kcal). \[{{C}_{(graphite)}}+{{H}_{2}}(g)\xrightarrow{{}}C{{H}_{4}}(g)\]
A)
\[-0.6\]
done
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B)
\[-1.2\]
done
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C)
\[+0.6\]
done
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D)
\[+1.2\]
done
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question_answer 52) DNA multiplication is called
A)
translation
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B)
transduction
done
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C)
transcription
done
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D)
replication
done
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question_answer 53) \[{{C}_{2}}{{H}_{5}}Cl\xrightarrow[A{{g}_{2}}O]{Moist}A\xrightarrow[{{360}^{o}}C]{A{{l}_{2}}{{O}_{3}}}B\xrightarrow[{}]{{{S}_{2}}C{{l}_{2}}}\] In the above sequence of reactions, identify\[C.\]
A)
chloretone
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B)
chloropicrin
done
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C)
mustard gas
done
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D)
lewisite gas
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question_answer 54) \[SiC{{l}_{4}}\xrightarrow{{{H}_{2}}O}X\xrightarrow{{{1000}^{o}}C}Y\] In the above reaction, \[X\]and \[Y\] respectively, are
A)
\[Si{{O}_{2}}\]and\[Si\]
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B)
\[{{H}_{4}}Si{{O}_{4}}\]and\[Si{{O}_{2}}\]
done
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C)
\[{{H}_{2}}SiC{{l}_{6}}\]and\[Si{{O}_{2}}\]
done
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D)
\[{{H}_{4}}Si{{O}_{4}}\]and\[Si\]
done
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question_answer 55) What is the wave number of 4th line in Balmer series of hydrogen spectrum? \[(R=1,09,677c{{m}^{-1}})\]
A)
\[24,630c{{m}^{-1}}\]
done
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B)
\[24,360c{{m}^{-1}}\]
done
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C)
\[24,730c{{m}^{-1}}\]
done
clear
D)
\[24,372c{{m}^{-1}}\]
done
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question_answer 56) Disperse phase and dispersion medium in butter are respectively
A)
solid and liquid
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B)
liquid and solid
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C)
liquid and liquid
done
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D)
solid and solid
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question_answer 57) When oxyhaemoglobin changes to de-oxyhaenioglobin, \[F{{e}^{2+}}\]ion changes from
A)
diamagnetic to paramagnetic
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B)
paramagnetic to diamagnetic
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C)
diamagnetic to ferromagnetic
done
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D)
paramagnetic to ferromagnetic
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question_answer 58) \[A\]react with \[{{C}_{2}}{{H}_{5}}I\] giving \[B\] and\[Nal\]. Here\[A\]and \[B\] respectively, are
A)
\[C{{H}_{3}}COONa,\,\,C{{H}_{3}}OC{{H}_{3}}\]
done
clear
B)
\[{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}},\,\,{{C}_{2}}{{H}_{5}}COO{{C}_{2}}{{H}_{5}}\]
done
clear
C)
\[{{C}_{2}}{{H}_{5}}ONa,\,\,{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]
done
clear
D)
\[{{C}_{2}}{{H}_{5}}OH,\,\,{{C}_{2}}{{H}_{5}}O{{C}_{2}}{{H}_{5}}\]
done
clear
View Answer play_arrow
question_answer 59) Nitration of aniline is achieved by
A)
direct treatment with nitration mixture under reflux
done
clear
B)
using fuming \[HN{{O}_{3}}\]
done
clear
C)
acetylation followed by nitration and subsequent hydrolysis
done
clear
D)
\[KN{{O}_{3}}+conc\,\,HN{{O}_{3}}\]
done
clear
View Answer play_arrow
question_answer 60) When\[AgN{{O}_{3}}\]solution is added in excess to \[1\,\,M\] solution of\[CoC{{l}_{3}}\cdot xN{{H}_{3}}\], one mole of \[AgCl\] is formed. What is the value of\[x\]?
A)
1
done
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B)
2
done
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C)
3
done
clear
D)
4
done
clear
View Answer play_arrow
question_answer 61) Which of the following is the decreasing order of boiling points of\[V\]group hydrides?
A)
\[N{{H}_{3}}>P{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]
done
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B)
\[Sb{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}>N{{H}_{3}}\]
done
clear
C)
\[P{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>Sb{{H}_{3}}\]
done
clear
D)
\[Sb{{H}_{3}}>N{{H}_{3}}>As{{H}_{3}}>P{{H}_{3}}\]
done
clear
View Answer play_arrow
question_answer 62) The atomic number of an element \[M\] is 26. How many electrons are present in the M-shell of the element in its\[{{M}^{3+}}\]state?
A)
11
done
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B)
15
done
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C)
14
done
clear
D)
13
done
clear
View Answer play_arrow
question_answer 63) \[{{N}_{2}}(g)+3{{H}_{2}}(g)2N{{H}_{3}}(g)+22kcal\]. The activation energy for the forward reaction is 50 kcal. What is the activation energy for the backward reaction?
A)
\[-72kcal\]
done
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B)
\[-28kcal\]
done
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C)
\[+28kcal\]
done
clear
D)
\[+72kcal\]
done
clear
View Answer play_arrow
question_answer 64) The raw material used in nylon-6 is
A)
adipic acid
done
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B)
phthalic acid
done
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C)
ethylene glycol
done
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D)
caprolactum
done
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View Answer play_arrow
question_answer 65) Which one of the following reactions is called Rosemond reaction?
A)
Aldehydes are reduced to alcohols
done
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B)
Acids are converted to acid chlorides
done
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C)
Alcohols are reduced to hydrocarbons
done
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D)
Acid chlorides are reduced to aldehydes
done
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View Answer play_arrow
question_answer 66) \[IUPAC\]name of\[C{{H}_{3}}-C{{H}_{2}}-\underset{\begin{align} & | \\ & C{{H}_{2}} \\ & | \\ & C{{H}_{3}} \\ \end{align}}{\mathop{CH}}\,-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{2}}\]is
A)
2-methyl-3-ethyl-1-pentene
done
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B)
3-ethyl-4-methyl-4-pentene
done
clear
C)
3-ethyl-2-methyl-1-pentene
done
clear
D)
3-methyl-2-ethyl-1-pentene
done
clear
View Answer play_arrow
question_answer 67) In the separation of noble gas mixture from air by Ramsay Rayleighs first method, the substances used for the removal of\[{{N}_{2}}\]and\[{{O}_{2}}\] respectively, are
A)
\[Cu\]and\[Mg\]
done
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B)
\[Mg\]and\[Cu\]
done
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C)
\[C\]and\[Ca{{C}_{2}}\]
done
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D)
\[KOH\]solution
done
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View Answer play_arrow
question_answer 68) The fraction of element disintegrated after 4 half-lifes in percentage is
A)
\[75%\]
done
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B)
\[87.5%\]
done
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C)
\[93.75%\]
done
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D)
\[92.5%\]
done
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View Answer play_arrow
question_answer 69) The most probable velocity of a gas molecule at \[298K\] is\[300m/s\]. Its RMS velocity, in\[(m/s)\] is
A)
420
done
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B)
245
done
clear
C)
402
done
clear
D)
367
done
clear
View Answer play_arrow
question_answer 70) Schottky defect is observed in the crystal of
A)
\[NaCl\]
done
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B)
\[TiCl\]
done
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C)
\[AgCl\]
done
clear
D)
\[MgC{{l}_{2}}\]
done
clear
View Answer play_arrow
question_answer 71) A mixture of amylose and amylopectin is called
A)
lactose
done
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B)
starch
done
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C)
cellulose
done
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D)
sucrose
done
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View Answer play_arrow
question_answer 72) Match the following Set I Set II \[{{C}_{2}}{{H}_{5}}OH\xrightarrow[{{170}^{o}}C]{Con.{{H}_{2}}S{{O}_{4}}}\] 1. Methane \[CH{{I}_{3}}\xrightarrow[Ag(Powder)]{\Delta }\] 2. Ethylene \[\begin{align} & C{{H}_{3}}COONa(aq) \\ & \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\xrightarrow{Electrolysis} \\ \end{align}\] 3. Benzene \[C{{H}_{3}}COONa\xrightarrow[CaO\,\,\Delta ]{NaOH}\] 4. Acetylene 5. Ethane The correct match is
A)
\[A-2,\,\,B-4,\,\,C-5,\,\,D-1\]
done
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B)
\[A-2,\,\,B-4,\,\,C-5,\,\,D-3\]
done
clear
C)
\[A-4,\,\,B-2,\,\,C-5,\,\,D-1\]
done
clear
D)
\[A-4,\,\,B-2,\,\,C-5,\,\,D-3\]
done
clear
View Answer play_arrow
question_answer 73) One gas bleaches the colour of flowers by reduction and another gas by oxidation. The gases respectively, are
A)
\[S{{O}_{2}}\]and\[C{{l}_{2}}\]
done
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B)
\[CO\]and\[C{{l}_{2}}\]
done
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C)
\[N{{H}_{3}}\]and\[S{{O}_{2}}\]
done
clear
D)
\[{{H}_{2}}S\]and\[Br\]
done
clear
View Answer play_arrow
question_answer 74) Lanthanide contraction is due to increase in
A)
shielding by 4f electrons
done
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B)
atomic number
done
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C)
effective nuclear charge
done
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D)
sizeof4forbitals
done
clear
View Answer play_arrow
question_answer 75) What is the electrode potential (in\[V\]) of the following electrode at\[{{25}^{o}}C\]? \[N{{i}^{2+}}(0.1M/Ni(s)\](Standard reduction potential of\[N{{i}^{2+}}|Ni\]is\[-0.25V,\,\,\frac{2.303RT}{F}=0.06\]
A)
\[-0.28V\]
done
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B)
\[-0.34V\]
done
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C)
\[-0.82V\]
done
clear
D)
\[-0.22V\]
done
clear
View Answer play_arrow
question_answer 76) What is the equation for the equilibrium constant\[({{K}_{c}})\]for the following reaction? \[\frac{1}{2}A(g)+\frac{1}{3}(g)\frac{2}{3}C(g)\]
A)
\[{{K}_{c}}=\frac{{{[A]}^{1/2}}{{[B]}^{1/3}}}{{{[C]}^{3/2}}}\]
done
clear
B)
\[{{K}_{c}}=\frac{{{[C]}^{3/2}}}{{{[A]}^{2}}{{[B]}^{3}}}\]
done
clear
C)
\[{{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}{{[B]}^{1/3}}}\]
done
clear
D)
\[{{K}_{c}}=\frac{{{[C]}^{2/3}}}{{{[A]}^{1/2}}{{[B]}^{1/3}}}\]
done
clear
View Answer play_arrow
question_answer 77) A drug that is antipyretic as well as analgesic is
A)
chloroquine
done
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B)
penicillin
done
clear
C)
paracetamol
done
clear
D)
Chloropromazine hydrochloride
done
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View Answer play_arrow
question_answer 78) What is the conjugate base of\[HSO_{4}^{-}\]?
A)
\[{{H}_{2}}S{{O}_{4}}\]
done
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B)
\[HSO_{4}^{2-}\]
done
clear
C)
\[SO_{4}^{2-}\]
done
clear
D)
\[{{H}^{+}}\]
done
clear
View Answer play_arrow
question_answer 79) Observe the following reaction\[A(g)+3B(g)\xrightarrow{{}}2C(g)\] The rate of this reaction\[\left( =\frac{d[A]}{dt} \right)\]is \[3\times {{10}^{-3}}\] mol\[{{L}^{-1}}{{\min }^{-1}}\]. What is the value of\[-\frac{d[B]}{dt}\]in mol\[{{L}^{-1}}{{\min }^{-1}}\]?
A)
\[3\times {{10}^{-3}}\]
done
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B)
\[9\times {{10}^{-3}}\]
done
clear
C)
\[{{10}^{-3}}\]
done
clear
D)
\[1.5\times {{10}^{-3}}\]
done
clear
View Answer play_arrow
question_answer 80) The bond angle in \[As{{H}_{3}}\] is greater than that in
A)
\[N{{H}_{3}}\]
done
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B)
\[{{H}_{2}}O\]
done
clear
C)
\[BC{{l}_{3}}\]
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 81) A \[0.5g/L\] solution of glucose is found to be isotonic with a \[2.5g/L\] solution of an organic compound. What will be the molecular weight of that organic compound?
A)
300
done
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B)
600
done
clear
C)
900
done
clear
D)
200
done
clear
View Answer play_arrow
question_answer 82) \[t-\]butyl chloride preferably undergo hydrolysis by
A)
\[{{S}_{N}}1\]mechanism
done
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B)
\[{{S}_{N}}2\]mechanism
done
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C)
any of (a) and (b)
done
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D)
None of the above
done
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View Answer play_arrow
question_answer 83) Which of the following has lowest boiling point?
A)
\[NaCl\]
done
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B)
\[CuCl\]
done
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C)
\[CuC{{l}_{2}}\]
done
clear
D)
\[CsCl\]
done
clear
View Answer play_arrow
question_answer 84) To dissolve argentite ore which of the following is used?
A)
\[Na[Ag{{(CN)}_{2}}]\]
done
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B)
\[NaCN\]
done
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C)
\[NaCl\]
done
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D)
\[HCl\]
done
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View Answer play_arrow
question_answer 85) The ratio of carbon, hydrogen and oxygen in 2-methyl benzoic acid is
A)
\[4:2:2\]
done
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B)
\[2:4:1\]
done
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C)
\[4:4:1\]
done
clear
D)
\[4:4:2\]
done
clear
View Answer play_arrow
question_answer 86) The best method to separate the mixture of ortho and para nitrophenol \[(1:1)\] is
A)
vaporisation
done
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B)
colour spectrum
done
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C)
distillation
done
clear
D)
crystallisation
done
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View Answer play_arrow
question_answer 87) Acetylene and \[HCHO\] react in presence of copper acetylide catalyst to form
A)
1-butyne-1, 4-diol
done
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B)
2-butyne-1, 2-diol
done
clear
C)
2-butyne-1, 4-diol
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 88) The effective atomic number of\[Cr\]in \[Cr{{(N{{H}_{3}})}_{6}}]C{{l}_{3}}\]is
A)
35
done
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B)
36
done
clear
C)
27
done
clear
D)
33
done
clear
View Answer play_arrow
question_answer 89) Which of the following forms colourless compounds?
A)
\[S{{c}^{3+}}\]
done
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B)
\[{{V}^{3+}}\]
done
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C)
\[T{{i}^{3+}}\]
done
clear
D)
\[C{{r}^{3+}}\]
done
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View Answer play_arrow
question_answer 90)
Match list-I with list-II and select the correct answer using the code given below List I (successive IE) List II (Elements) \[I{{E}_{1}}\] \[I{{E}_{2}}\] \[I{{E}_{3}}\] \[(kJ\,mo{{l}^{-1}})\] 1. 1320 - - A. H 2. 520 7297 11810 B. Li 3. 900 1758 14810 C. Be 4. 800 2428 3660 D. B
A)
\[A-2,\,\,B-1,\,\,C-4,\,\,D-3\]
done
clear
B)
\[A-3,\,\,B-4,\,\,C-2,\,\,D-1\]
done
clear
C)
\[A-4,\,\,B-3,\,\,C-1,\,\,D-2\]
done
clear
D)
\[A-1,\,\,B-2,\,\,C-3,\,\,D-4\]
done
clear
View Answer play_arrow
question_answer 91) The chemical formula of feldspar is
A)
\[KAlS{{i}_{3}}{{O}_{8}}\]
done
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B)
\[N{{a}_{3}}Al{{F}_{6}}\]
done
clear
C)
\[NaAl{{O}_{6}}\]
done
clear
D)
\[{{K}_{2}}S{{O}_{4}}\cdot A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\cdot 4Al{{(OH)}_{3}}\]
done
clear
View Answer play_arrow
question_answer 92) A radioactive substance \[_{88}{{X}^{228}}\](IIA) emits\[3\alpha \]and\[3\beta \]particles to form\[Y\]. To which group of long form of the periodic table does\[Y\] belong?
A)
\[IVA\]
done
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B)
\[VA\]
done
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C)
\[VIA\]
done
clear
D)
\[VIIA\]
done
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View Answer play_arrow
question_answer 93) The functional groups present in salol are
A)
\[-N{{H}_{2}}\]and\[-OR\]
done
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B)
\[OH\]and\[-COR\]
done
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C)
\[-N{{H}_{2}}\]and\[-COOH\]
done
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D)
\[-OH\]and\[-COOR\]
done
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View Answer play_arrow
question_answer 94) Which of the following statements is correct?
A)
Silicon doped with boron is an \[n-\]type semiconductor
done
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B)
Silicon doped with arsenic is a \[p-\]type semiconductor
done
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C)
Metals are good conductors of electricity
done
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D)
Electrical conductivity of semiconductors decreases with increasing temperature
done
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View Answer play_arrow
question_answer 95) Hybridisation of oxygen in diethyl ether is
A)
\[sp\]
done
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B)
\[s{{p}^{2}}\]
done
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C)
\[s{{p}^{3}}\]
done
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D)
\[s{{p}^{3}}d\]
done
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View Answer play_arrow
question_answer 96) Which one of the following salts give an acidic solution in water?
A)
\[C{{H}_{3}}COONa\]
done
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B)
\[N{{H}_{4}}Cl\]
done
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C)
\[NaCl\]
done
clear
D)
\[C{{H}_{3}}COON{{H}_{4}}\]
done
clear
View Answer play_arrow
question_answer 97) Which of the following is not tetrahedral?
A)
\[BF_{4}^{-}\]
done
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B)
\[NH_{4}^{+}\]
done
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C)
\[CO_{3}^{2-}\]
done
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D)
\[SO_{4}^{2-}\]
done
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View Answer play_arrow
question_answer 98) Nitrobenzene on reduction with zinc and\[N{{H}_{4}}Cl\]gives
A)
azobenzene
done
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B)
aniline
done
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C)
hydrazobenzene
done
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D)
\[N-\]phenyl hydroxylamine
done
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View Answer play_arrow
question_answer 99) Bhopal gas tragedy of 1984 was caused by
A)
carbon monoxide
done
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B)
phosgene
done
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C)
methyl cyanate
done
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D)
methyl isocyanate
done
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View Answer play_arrow
question_answer 100) Which of the following is not a peroxy acid?
A)
Perphosphoric acid
done
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B)
Pemitric acid
done
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C)
Perdisulphuric acid
done
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D)
Perchloric acid
done
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View Answer play_arrow
question_answer 101) Name given to fossil hominid of Shivalik hills in India is
A)
Ramapithecus
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B)
Australopithecus
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C)
Pithecanthropus
done
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D)
Neanderthalensis
done
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question_answer 102) Vagina, oesophagus, urethra contain which type of tissue?
A)
Stratified squamous epithelium
done
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B)
Simple squamous epithelium
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C)
Ciliated epithelium
done
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D)
Columnar epithelium
done
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View Answer play_arrow
question_answer 103) In five kingdom system of classification of RH Whittaker, how many kingdoms contain eukaryotes?
A)
Four kingdoms
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B)
One kingdom
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C)
Two kingdoms
done
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D)
Three kingdoms
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View Answer play_arrow
question_answer 104) Improvement of human race through hereditary qualities is called
A)
euthenics
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B)
human heredity
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C)
human demography
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D)
eugenics
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question_answer 105) Mammary glands are modified
A)
sweat gland
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B)
sebaceous gland
done
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C)
lacrymal gland
done
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D)
endocrine gland
done
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View Answer play_arrow
question_answer 106) Inheritance of a acquired characters comes under
A)
Lamarckism
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B)
Darwinism
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C)
Neo-Lamarckism
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D)
Neo-Darwinism
done
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View Answer play_arrow
question_answer 107) The Mesozoic era is also called as
A)
the golden age of the amphibians
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B)
the golden age of the reptiles
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C)
the golden age of the mammals
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D)
the golden age of the birds
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question_answer 108) Loop of Henie is associated with
A)
excretory system
done
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B)
respiratory system
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C)
reproductive system
done
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D)
digestive system
done
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View Answer play_arrow
question_answer 109) Which of the following is an exclusive character of class-Mammalia?
A)
Homoiothermy
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B)
Internal fertilization
done
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C)
Presence of a 4-chambered heart
done
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D)
Presence of a muscular diaphragm
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View Answer play_arrow
question_answer 110) Symmetry in Cnidaria is
A)
radial
done
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B)
bilateral
done
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C)
pentamerous
done
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D)
spherical
done
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View Answer play_arrow
question_answer 111) Blood of earthworm is
A)
red in colour, due to dissolved haemoglobin in corpuscle
done
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B)
red in colour, due to dissolved haemoglobin in plasma
done
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C)
blue in colour, due to dissolved haemocyanin in plasma
done
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D)
blue in colour, due to dissolved haemocyanin in corpuscles
done
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View Answer play_arrow
question_answer 112) Agranulocytes are
A)
lymphocytes and monocytes
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B)
eosinophils and basophils
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C)
lymphocytes and eosinophils
done
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D)
basophils and monocytes
done
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View Answer play_arrow
question_answer 113) Parthenogenesis is a term of
A)
sexual reproduction
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B)
asexual reproduction
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C)
budding
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D)
regeneration
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View Answer play_arrow
question_answer 114) Pyramid that is never inverted
A)
energy
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B)
mass
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C)
number
done
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D)
size
done
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View Answer play_arrow
question_answer 115) Two species occupying same or overlapping area are called as
A)
sympatric
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B)
allopatric
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C)
parapatric
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D)
ring species
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question_answer 116) CFCs are responsible for
A)
ozone layer depletion
done
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B)
global warming
done
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C)
acid rain
done
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D)
None of the above
done
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View Answer play_arrow
question_answer 117) Amoeba differs from Entamoeba in having
A)
contractile vacuole
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B)
pseudopodia
done
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C)
ectoplasm
done
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D)
cytostome
done
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View Answer play_arrow
question_answer 118) A dihybrid for qualitative trait is corssed with homozygous recessive individual of its type, the phenotypic ratio is
A)
\[1:2:1\]
done
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B)
\[3:1\]
done
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C)
\[1:1:1:1\]
done
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D)
\[9:3:3:1\]
done
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View Answer play_arrow
question_answer 119) Phenomenon of industrial melanism demonstrates
A)
reproductive isolation
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B)
induced mutation
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C)
natural selection
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D)
geographical isolation
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View Answer play_arrow
question_answer 120) At menopause there is rise in urinary excretion of
A)
FSH
done
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B)
STH
done
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C)
LH
done
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D)
MSH
done
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question_answer 121) Zoological name of common Indian krait is
A)
Bungarus caeruleus
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B)
Ophiophagus Hannah
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C)
Viper russeli
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D)
Naja naja
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question_answer 122) Study of ticks and mites is
A)
Acarology
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B)
Entomology
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C)
Malacology
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D)
Carcinology
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question_answer 123) In acid rain,\[S{{O}_{2}}\]accounts by
A)
\[70%\]
done
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B)
\[100%\]
done
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C)
\[50%\]
done
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D)
\[30%\]
done
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View Answer play_arrow
question_answer 124) Biosphere reserve programme started in India
A)
1986
done
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B)
1984
done
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C)
1982
done
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D)
1988
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question_answer 125) Urea formation takes place in
A)
liver
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B)
kidney
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C)
pancreas
done
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D)
intestine
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question_answer 126) An institution where valuable plant material-likely to become irretrievably lost in the wild or in cultivation is preserved viable condition is known as
A)
genome
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B)
gene library
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C)
gene bank
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D)
herbarium
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question_answer 127) Shock movement in touch me not plant is
A)
seismonasty
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B)
photo nasty
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C)
chemonasty
done
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D)
the rmonasty
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question_answer 128) Which is correct for the structure of cell wall of bacteria and fungi?
A)
Both are made up of cellulose
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B)
Both have mucopeptide
done
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C)
Both are made up of N-acetylglucosamine
done
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D)
None of the above
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question_answer 129) Bacterium which reduces nitrates in soil to nitrogen is
A)
Nitro so monas
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B)
Pseudomonas
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C)
Rhizobium
done
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D)
Clostridium
done
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question_answer 130) Surrounding membrane of vacoule is called
A)
tonoplast
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B)
symplast
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C)
apoplast
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D)
phragmoplast
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question_answer 131) Living fossil is
A)
Ginkgo biloba
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B)
Gnetum ula
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C)
Pinus roxburghii
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D)
Cycas revolute
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question_answer 132) Sucking roots are present in the plant
A)
Betal
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B)
Cuscuta
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C)
Mangifera
done
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D)
Solanum
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question_answer 133) For cryopreservation, plant materials are frozen at
A)
\[-{{196}^{o}}C\]
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B)
\[-{{150}^{o}}C\]
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C)
\[-{{80}^{o}}C\]
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D)
\[-{{40}^{o}}C\]
done
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question_answer 134) Casparian strip is a characteristic feature of
A)
pericycle
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B)
periblem
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C)
endodermis
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D)
hypodermis
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question_answer 135) Guttation occurs through
A)
lenticels
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B)
hydathodes
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C)
periderm
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D)
stomata
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question_answer 136) Phycology is the study of
A)
algae
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B)
fern
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C)
fungi
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D)
bryophytes
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question_answer 137) ......... is a CAM plant.
A)
maize
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B)
pineapple
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C)
onion
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D)
pea
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question_answer 138) Edible part of the apple is
A)
mesocarp
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B)
calyx
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C)
thalamus
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D)
pericarp
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question_answer 139) Sunken stomata is found in leaves of
A)
Trifolium
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B)
Lemna
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C)
Nerium
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D)
Lilium
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question_answer 140) The accumulated food reserve in fungi is
A)
protein
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B)
starch
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C)
glycogen
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D)
fat
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question_answer 141) Euploidy is best explained by
A)
exact multiple of a haploid set of chromosomes
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B)
one chromosomes less than the haploid set of chromosomes
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C)
one chromosomes more than the haploid set of chromosomes
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D)
one chromosomes more than the diploid set of chromosomes
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question_answer 142) Insectivorous plants live in a soil that is usually deficient in
A)
nitrate
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B)
chloride
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C)
potassium
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D)
magnesium
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question_answer 143) In aerobic respiration, citric acid cycle takes place in
A)
cytosol
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B)
mitochondria
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C)
peroxisomes
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D)
endoplasmic reticulum
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question_answer 144) The highest advanced family is
A)
Cruciferae
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B)
Cucurbitaceae
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C)
Compositae
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D)
Euphorbiaceae
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question_answer 145) Stalk with which ovules remain attached to the placenta is called
A)
funicle
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B)
raphe
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C)
hilum
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D)
chalaza
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question_answer 146) In pteridophytes, phloem is without
A)
sieve cells
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B)
sieve tubes
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C)
companion cells
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D)
bast fibres
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question_answer 147) Purified antibiotic penicillin of Penicillium notatum was discovered by
A)
Alexander Flemming
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B)
Howard Floxy
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C)
Robert Hooke
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D)
Carolus Linnaeus
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question_answer 148) First vascular plant is
A)
Thallophyta
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B)
Bryophyta
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C)
Pteridophyta
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D)
Spermatophyta
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question_answer 149) Bakers yeast is
A)
S. cerevisae
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B)
S. ludwingii
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C)
S. octosporus
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D)
Schizosdccharomyces
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question_answer 150) Dominant generation in bryophytes is
A)
capsule
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B)
sporophyte
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C)
gametophyte
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D)
seta
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question_answer 151) Largest flower is
A)
Rafflesia arnnoldi
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B)
Helianthus annuus
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C)
Welwitschia morabilis
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D)
Nelumbo nuccifera
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question_answer 152) Halophytes are
A)
fire resistant
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B)
cold resistant
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C)
salt resistant
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D)
sand loving
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question_answer 153) Natural genetic engineer is
A)
Bacillus subtilis
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B)
Pseudomonas sp.
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C)
Escherichia coli
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D)
Agrobacterium tumefaciens
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question_answer 154) Cell respiration is carried out by
A)
ribosome
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B)
mitochondria
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C)
chloroplast
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D)
Golgi bodies
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question_answer 155) Fluid mosaic model of plasma membrane was given by
A)
Robertson
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B)
Robert Hooke
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C)
Singer and Nicholson
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D)
Pantin and Mast
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question_answer 156) Which amino acids are present in histones?
A)
Lysine and histidine
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B)
Valine and histidine
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C)
Arginine and lysine
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D)
Arginine and histidine
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question_answer 157) Which has vascular tissue, produces spores, but does not has seeds?
A)
Bryophyta
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B)
Pteridophyta
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C)
Gymnosperms
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D)
Angiosperms
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question_answer 158) Which enzyme joins DNA fragments?
A)
DNA ligase
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B)
DNA polymerase
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C)
DNA gyrase
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D)
Topoisomerase
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question_answer 159) The structure present in cyanobacteria (BGA) helping in\[{{N}_{2}}\]fixation is
A)
haplosperm
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B)
holostrum
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C)
holotrema
done
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D)
heterocyst
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question_answer 160) RNA has uracil instead of
A)
cytosine
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B)
guanine
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C)
thymine
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D)
None of these
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question_answer 161) Endosperm of gymnosperm is
A)
diploid
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B)
tetraploid
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C)
haploid
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D)
None of these
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question_answer 162) Binomial nomenclature of plants was given by
A)
Engler
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B)
Linnaeus
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C)
Prand
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D)
Both [a] and [c]
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question_answer 163) Bacterial blight of rice is caused due to
A)
Xanthomonas oryzae
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B)
Helminthosporium oryzae
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C)
Pseudomonas falcatum
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D)
Xanthomonas falcatum
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question_answer 164) Female reproductive part of bryophytes is
A)
antheridium
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B)
oogonium
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C)
archegonium
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D)
sporangium
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question_answer 165) Chitin is present in the cell wall of
A)
fungi
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B)
bacteria
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C)
yeast
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D)
algae
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question_answer 166) Triple fusion in angiosperm is the fusion of second sperm with
A)
antipodal cell and one synergid cell
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B)
two antipodal cells
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C)
two synergid cells
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D)
two polar nuclei
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question_answer 167) Father of botany is
A)
Linnaeus
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B)
Leeuwenhoek
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C)
Theophrastus
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D)
Aristotle
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question_answer 168) Hormone inducing fruit ripening is
A)
ethylene
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B)
cytokinin
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C)
gibberellic acid
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D)
abscisic acid
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question_answer 169) Red colour of tomato is due to
A)
\[\beta -\]carotene
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B)
anthocyanin
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C)
lycopene
done
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D)
erythrocyanin
done
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question_answer 170) In which phase proteins for spindle fibre formation are synthesized?
A)
\[{{G}_{1}}-\]phase
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B)
\[{{G}_{2}}-\]phase
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C)
\[S-\]phase
done
clear
D)
Anaphase
done
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question_answer 171) Desert grasses often roll their leaves due to presence of
A)
oily surface
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B)
bulli form cells
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C)
spines
done
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D)
None of these
done
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question_answer 172) \[{{F}_{1}}\]particles are present in
A)
chloroplast
done
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B)
mitochondria
done
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C)
ribosome
done
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D)
rough ER
done
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question_answer 173) Sucrose, a common table sugar is composed of
A)
glucose + fructose
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B)
glucose + galactose
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C)
fructose + galactose
done
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D)
None of the above
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question_answer 174) Which is not true about sphaerosomes?
A)
Arise from ER
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B)
Related to fat
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C)
Single membrane bound structure
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D)
Involved in photorespiration
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question_answer 175) The species listed in Red Data book are
A)
threatened
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B)
endangered
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C)
rare
done
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D)
All of these
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question_answer 176) Inflorescence of family-Compositae is
A)
perianth
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B)
iodicule
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C)
capitulum
done
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D)
hypanthodium
done
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question_answer 177) Prokaryotic ribosome has sedimentation coefficient of
A)
\[80S\]
done
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B)
\[70S\]
done
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C)
\[40S\]
done
clear
D)
\[60S\]
done
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question_answer 178) The condition where filaments and anthers are fused throughout the entire length is
A)
synandrous
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B)
gynandrous
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C)
protandrous
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D)
syngenesius
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question_answer 179) In diot stem, vascular bundles are
A)
numerous scattered
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B)
arranged in a ring
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C)
without cambium
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D)
surrounded by bundle sheath
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question_answer 180) Neurons of people suffering from diabetes insipidus do not secrete
A)
enzyme
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B)
steroid
done
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C)
fattyacid
done
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D)
ADH
done
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question_answer 181) Insulin and glucagon are transported to target organ by
A)
lymph
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B)
blood
done
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C)
pancreatic duct
done
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D)
cystic duct
done
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question_answer 182) Which is false for nutrition in Amoeba?
A)
Omnivorous
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B)
Pseudopodia feeder
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C)
Holozoic nutrition
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D)
Photoautotroph
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question_answer 183) Ions that must be present for binding the cross bridges is
A)
\[N{{a}^{+}}\]
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B)
\[C{{a}^{2+}}\]
done
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C)
\[{{K}^{+}}\]
done
clear
D)
\[M{{g}^{+}}\]
done
clear
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question_answer 184) Dreaming occurs in
A)
\[\alpha -\]sleep
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B)
REM sleep
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C)
deep sleep
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D)
slow wave sleep
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question_answer 185) Study of behaviour of animal is called
A)
ethology
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B)
parapsychology
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C)
euphenics
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D)
etiology
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question_answer 186) Minamata disease is caused due to presence of ......... in water.
A)
cadmium
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B)
lead
done
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C)
arsenic
done
clear
D)
mercury
done
clear
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question_answer 187) Rain is called acid rain when its pH is below
A)
7
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B)
6.5
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C)
6
done
clear
D)
5.6
done
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question_answer 188) The immediate cause of induction of ovulation in female is the large plasma surge of
A)
progesterone
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B)
estriadiol
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C)
LH
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D)
FSH
done
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question_answer 189) HIV virus affect......... in AIDS patient.
A)
cytotoxic T-cell
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B)
M-N cell
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C)
suppressor cell
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D)
helper T-cells
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question_answer 190) Which is incorrect?
A)
Wings of insects and birds are analogous
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B)
Wings of insects and bats are analogous
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C)
Wings of insects and birds are homologous
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D)
Wings of bats and birds are homologous
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question_answer 191) Dental formula of human being is
A)
\[{{I}_{2}},\,\,{{C}_{2}},\,\,{{P}_{1}},\,\,{{M}_{3}}\]
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B)
\[{{I}_{2}},\,\,{{C}_{1}},\,\,{{P}_{2}},\,\,{{M}_{3}}\]
done
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C)
\[{{I}_{3}},\,\,{{C}_{1}},\,\,{{P}_{2}},\,\,{{M}_{2}}\]
done
clear
D)
\[{{I}_{2}},\,\,{{C}_{2}},\,\,{{P}_{3}},\,\,{{M}_{1}}\]
done
clear
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question_answer 192) Which is not correctly matched?
A)
Annedlida\[\to \]Enterocoelomate
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B)
Platyhelminthes\[\to \]Acoelomate
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C)
Arthropoda\[\to \]Schizocoelomate
done
clear
D)
Nemathelminthes\[\to \]Pseudocoelomate
done
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question_answer 193) Maximum net productivity in the terrestrial ecosystem is in
A)
rain forest
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B)
deciduous forest
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C)
mangrove plantation
done
clear
D)
Both (a) and (b)
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question_answer 194) ......... acts as a shock absorber to cushion when tibia and femur came together.
A)
ligament
done
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B)
cartilage
done
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C)
tendon
done
clear
D)
disc
done
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question_answer 195) In higher vertebrates, SA nodes helps in
A)
conduction of blood
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B)
initiation of heart beat
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C)
opening of tricuspid valve
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clear
D)
opening of bicuspid valve
done
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question_answer 196) Renin is secreted from
A)
juxtaglomerular cells
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B)
podocytes
done
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C)
nephridia
done
clear
D)
stomach
done
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question_answer 197) The law of limiting factors was proposed with particular reference to photosynthesis. Identify the scientist who proposed this law?
A)
Calvin
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B)
Weismann
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C)
Emerson
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D)
Blackmann
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question_answer 198) Osmoregulation in Paramecium is a function of
A)
contractile vacuole
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B)
trichocysts
done
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C)
cytopyge
done
clear
D)
cytostome
done
clear
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question_answer 199) Which of the following is a day neutral plant?
A)
Helianthus annuus
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B)
Euphorbia pulcherrima
done
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C)
Avena sativa
done
clear
D)
Betavulgaris
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question_answer 200) Water vascular system found in
A)
Mollusca
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B)
Arthropoda
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C)
Annelida
done
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D)
Echinodermata
done
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