A block \[{{M}_{1}}\] of mass \[2.0\text{ }kg\] is moving on a frictionless horizontal surface with a velocity of \[1.0\text{ m/s}\] towards another block \[{{M}_{2}}\] of equal mass kept at rest as shown. The spring constant of the spring fixed at one end of \[{{m}_{2}}\] is \[100N/m\]. The maximum compression of the spring is:
A)
\[2\,cm\]
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B)
\[5\,cm\]
done
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C)
\[10\,cm\]
done
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D)
\[20\,cm\]
done
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A body of mass m hangs from three springs, each of spring constant K, as shown. If the mass is slightly displaced and released, the system will oscillate with time period is:
A)
\[2\pi \sqrt{\frac{m}{3K}}\]
done
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B)
\[2\pi \sqrt{\frac{3m}{2K}}\]
done
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C)
\[2\pi \sqrt{\frac{3m}{3K}}\]
done
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D)
\[2\pi \sqrt{\frac{3K}{m}}\]
done
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The displacement of a particle (in metre) from its mean position is given by the equation \[Y=0.2\,\,\,\left( {{\cos }^{2}}\frac{\pi t}{2}-{{\sin }^{2}}\frac{\pi t}{2} \right)\]
A)
The motion of the above particle is not simple harmonic
done
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B)
Simple harmonic with the period equal to that of a second's pendulum
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C)
Simple harmonic with the period double that of a second's a pendulum
done
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D)
Simple harmonic with amplitude \[0.4m\]
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A Vernier caliper has 20 divisions on the Vernier scale which coincide with 39 on the main scale. The latest count of the instrument is \[0.1mm\]. The main scale divisions are of:
A)
\[0.5\,mm\]
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B)
\[1\,mm\]
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C)
\[2\,mm\]
done
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D)
\[{\scriptstyle{}^{1}/{}_{4}}\,mm\]
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View Answer play_arrow
There is an air bubble of radius r inside a drop of water of radius 3R. Find the ratio of gauge pressure at point B to that of at point A.
A)
\[\frac{1}{2}\]
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B)
\[\frac{1}{4}\]
done
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C)
\[\frac{1}{3}\]
done
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D)
\[1\]
done
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A Planet revolves in elliptical orbit aroud the sun shown in the figure. The linear speed of the planet will be maximum at:
A)
A
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B)
B
done
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C)
C
done
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D)
D
done
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A body is projected with escape velocity \[11.2\text{ }km/s\] from earth's surface. If the body is projected in a direction \[30{}^\circ \] angle to the vertical, its escape velocity in the casse will be:
A)
\[11.2km/s\]
done
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B)
\[11.2\times \frac{1}{2}km/s\]
done
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C)
\[11.2\times \left( \frac{\sqrt{3}}{2} \right)km/s\]
done
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D)
None of these
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In the figure the block of mass m is at rest on the floor. The acceleration with which a monkey of mass m should climb up along the rope of negligible mass so as to lift the block from the floor is:
A)
\[=\left( \frac{M}{m}-1 \right)g\]
done
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B)
\[>\left( \frac{M}{m}-1 \right)g\]
done
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C)
\[\frac{M}{m}g\]
done
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D)
\[>\frac{M}{m}g\]
done
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The relatives velocity of a car A with respect to car B is \[30\sqrt{2}\,m/s\] due north-east. The velocity of car B is \[20m/s\] due south. The relative velocity of car C with respect to car A is \[10\sqrt{2}m/s\] due north weast. The speed of car c and the direction (in terms of angle it makes with the east) are respectively:
A)
\[20\sqrt{2}m/s,\,{{45}^{o}}\]
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B)
\[20\sqrt{2}m/s,\,{{135}^{o}}\]
done
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C)
\[10\sqrt{2}\,m/s,\,{{45}^{o}}\]
done
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D)
\[10\sqrt{2}\,m/s,\,{{135}^{o}}\]
done
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In an astronomical telescope, the focal length of objective lens and eyepiece are 150cm and 6cm respectively. In case when final image is formed at least distance of clear vision \[(D=25cm)\]. The magnifying power is:
A)
29
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B)
30
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C)
31
done
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D)
32
done
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A position dependent force, \[F={{X}^{2}}-3N,\] acts on a small body mass, 2 kg and displaces it from \[X=0\]to \[X=5m\] the work done is:
A)
\[110\,J\]
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B)
\[\frac{80}{3}\,J\]
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C)
\[\frac{95}{3}\,J\]
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D)
zero
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The acceleration of a particle varies with time, as shown in figure, If the particle start moving from rest, the velocity of particle after 3s is:
A)
zero
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B)
\[2m/s\]
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C)
\[3m/s\]
done
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D)
\[4m/s\]
done
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The cord mates of a moving particle at any time t are given by \[X={{t}^{3}}\] and \[Y=4{{t}^{2}},\] where X and Y are in meter and t in second. The acceleration of the particle at time \[t-1s,\] is given by:
A)
\[6m{{s}^{-2}}\]
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B)
\[8m{{s}^{-2}}\]
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C)
\[10m{{s}^{-2}}\]
done
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D)
\[14m{{s}^{-2}}\]
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View Answer play_arrow
A sphere of radius R has a concentric cavity of radius r. The relative density of the material of the sphere is a. It just floats when placed in a tank full of water. The ratio \[\frac{R}{r}\] is:
A)
\[{{\left( \frac{\sigma -1}{\sigma } \right)}^{1/3}}\]
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B)
\[{{\left( \frac{\sigma }{\sigma -1} \right)}^{1/3}}\]
done
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C)
\[{{\left( \frac{\sigma +1}{\sigma } \right)}^{2}}\]
done
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D)
\[{{\left( \frac{\sigma }{\sigma +1} \right)}^{3}}\]
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View Answer play_arrow
An ideal gas is taken through the cycle \[A\to B\to C\to A\] as shown in figure. If the net heat supplied to the gas in the cycle is 5l, the work done by the gas in the process \[C\to A\] is:
A)
\[-5J\]
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B)
\[-10J\]
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C)
\[-15J\]
done
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D)
\[-20J\]
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View Answer play_arrow
Two litres of water of at initial temperature of \[{{27}^{o}}C\] is heated by a heater of power 1KW in a kettle. If the lid of the kettle is open, then heat energy is lost at a constant rate of\[160J/s\]. The time in which the temperature will rise from \[{{27}^{o}}C\] to \[77{}^\circ C\] is (specific heat of water\[=4.2\text{ }KJ/kg\]):
A)
\[5\text{ }min\text{ }20\text{ }s\]
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B)
\[8\text{ }min\text{ }20\text{ }s\]
done
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C)
\[10\text{ }min\text{ }40\text{ }s\]
done
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D)
\[12\text{ }min\text{ }50\text{ }s\]
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The end correction of a resonance column is\[1.0cm\]. If the shortest length resonating with a tuning fork is \[14.0cm,\] the next resonating lengths:
A)
\[44cm\]
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B)
\[45cm\]
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C)
\[46cm\]
done
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D)
\[47cm\]
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A racing car moving towards a cliff sound its horn, the driver observe that the sound reflected from the cliff has a frequency one octave higher than the actual frequency of the horn. If V is the velocity of sound, then the velocity of the car is:
A)
\[\frac{V}{2}\]
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B)
\[\frac{V}{\sqrt{2}}\]
done
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C)
\[\frac{V}{4}\]
done
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D)
\[\frac{V}{3}\]
done
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View Answer play_arrow
Two waves are represented by the following equations \[{{Y}_{1}}=5\sin \,\,2\pi \,(10t-0.1X),\] \[{{Y}_{2}}=10\sin \,2\pi \]\[(20t-0.2X)\]. Ratio of intensities \[{{l}_{2}}/{{l}_{1}}\] will be:
A)
1
done
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B)
2
done
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C)
4
done
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D)
16
done
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View Answer play_arrow
An inclined plane makes an angle of \[{{30}^{o}}\] with the horizontal. A solid sphere rolling down this inclined plane from rest without slipping has a linear acceleration equal to:
A)
\[\frac{g}{3}\]
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B)
\[\frac{5g}{7}\]
done
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C)
\[\frac{2g}{3}\]
done
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D)
\[\frac{5g}{14}\]
done
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A beam of protons with a velocity of \[4\times {{10}^{5}}\,m/s\]enters in a uniform magnetic field of\[3.0T\]. The velocity makes an angle of \[{{60}^{o}}\] with the magnetic field. The radius of the helical path taken by the proton beam, and the pitch of the helix, are
A)
\[1.2cm\]and \[4.4cm~~\]
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B)
\[1.4cm\]and \[4.2cm\]
done
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C)
\[2.4cm\]and \[3.1cm\]
done
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D)
None of these
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A galvanometer of resistance \[400\Omega \]can measure current of 1MA. To convert it into a voltmeter of range \[8\text{ }V,\] the required resistance is:
A)
\[4600\Omega \]
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B)
\[5600\Omega \]
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C)
\[6600\Omega \]
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D)
\[7600\Omega \]
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View Answer play_arrow
A wire \[l=8\,m\]long of uniform cross-sectional area \[A=88{{m}^{2}},\] has a conductance of \[G=2.45{{\Omega }^{-2}}\]. The resistivity of material of the wire will be:
A)
\[2.1\times {{10}^{-7}}\Omega -m\]
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B)
\[3.1\times {{10}^{-2}}\Omega -m\]
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C)
\[4.1\times {{10}^{-7}}\Omega -m\]
done
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D)
\[5.1\times {{10}^{-7}}\Omega -m\]
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View Answer play_arrow
n identicals cells, each of emf and internal resistances are joining in series to form a closed circuits as shown. The potential difference across any one cells is:
A)
zero
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B)
\[\varepsilon \]
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C)
\[\frac{\varepsilon }{N}\]
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D)
\[\frac{n-1}{n}\varepsilon \]
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View Answer play_arrow
If resistance of each wire in the network shown, is r. The equivalent resistance between A and C is equal to:
A)
\[r\]
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B)
\[\frac{r}{2}\]
done
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C)
\[\frac{2r}{3}\]
done
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D)
\[\frac{3r}{2}\]
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A charged ball hangs from a silk thread of length l. It makes an angle \[\theta \] with a large charged conducting sheet P as shown in the figure. The surface charge density \[\sigma \] of the sheet is proportional to:
A)
\[\cos \theta \]
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B)
\[\cot \theta \]
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C)
\[\sin \theta \]
done
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D)
\[\tan \theta \]
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Two identical charges are placed at the two corners of an equilateral triangle. The potential energy of the system is U. The work done in bringing an identical large from infinity to the third vertex is:
A)
\[U\]
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B)
\[2U\]
done
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C)
\[3U\]
done
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D)
\[4U\]
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A dipole has its moment \[p\] is kept at the centre of a ring of radius R and charge q. The dipole moment has its direction along the axis of the ring. The resultant force on the ring due to the dipole is:
A)
zero
done
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B)
\[\frac{pq}{4\pi {{\varepsilon }_{0}}{{R}^{3}}}\]
done
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C)
\[\frac{pq}{2\pi {{\varepsilon }_{0}}{{R}^{3}}}\]
done
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D)
\[\frac{pq}{4\pi {{\varepsilon }_{0}}{{R}^{3}}},\] only if the charge uniformly distributed on the ring.
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View Answer play_arrow
There uncharged capacitors of capacitance \[1\mu f,\,2\mu f\]and \[3\mu f\] are connected shown in figure. If potentials at point, P,Q and R are IV, 2V, 3V respectively, then, potential at Q is:
A)
\[\frac{18}{11}\,V\]
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B)
\[\frac{11}{18}\,V\]
done
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C)
\[5\,V\]
done
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D)
None of these
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View Answer play_arrow
A parallel plate capacitor has two layers of dielectrics as shown in figure. The capacitor is connected across a battery, the ratio of potential difference across the dielectric layers is:
A)
\[4/3\]
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B)
\[1/2\]
done
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C)
\[1/3\]
done
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D)
\[3/2\]
done
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View Answer play_arrow
A radioactive nucleous decays according to following series\[X\xrightarrow{\alpha }{{X}_{1}}\xrightarrow{\beta }{{X}_{2}}\xrightarrow{\alpha }{{X}_{3}}\xrightarrow{\gamma }{{X}_{4}}\]. If the a tomic number and atomic weight of the parent element X are 72 and 180 respectively then the atomic number and atomic mass of \[{{X}_{4}}\] are respectively:
A)
\[70,172\]
done
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B)
\[69,171\]
done
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C)
\[69,172\]
done
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D)
\[68,172\]
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View Answer play_arrow
A p-n junction has a thickness of the order of:
A)
1 cm
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B)
1 mm
done
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C)
\[{{10}^{-6}}cm\]
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D)
\[{{10}^{-12}}cm\]
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View Answer play_arrow
The current gain of a transistor in common emitter circuit is 40. The ratio of emitter current to base current.
A)
40
done
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B)
41
done
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C)
42
done
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D)
43
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View Answer play_arrow
If the maximum kinetic energy, of emitted photoelectron from a metal surface of work function \[2.5\text{ }eV\] is\[1.7\text{ }eV\]. If wavelength of incident radiation is halved, then stopping potential will be:
A)
\[2.5\,V\]
done
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B)
\[5.9\,V\]
done
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C)
\[5\,V\]
done
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D)
\[1.1\,V\]
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View Answer play_arrow
The longest wavelength that a single ionized helium atom in its ground state will absorb is:
A)
\[912\overset{o}{\mathop{A}}\,\]
done
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B)
\[304\overset{o}{\mathop{A}}\,\]
done
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C)
\[229\overset{o}{\mathop{A}}\,\]
done
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D)
\[687\overset{o}{\mathop{A}}\,\]
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View Answer play_arrow
If the ratio of the concentration of electrons and holes in a semiconductor is 7/5 and the ratio of currents is 7/4, then what is the ratio of their driff velocities:
A)
\[\frac{7}{4}\]
done
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B)
\[\frac{5}{8}\]
done
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C)
\[\frac{4}{5}\]
done
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D)
\[\frac{5}{4}\]
done
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View Answer play_arrow
A solid which is transparent to visible light an whose conductivity increase with temperature, is formed by:
A)
metallic binding
done
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B)
ionic binding
done
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C)
covalent binding
done
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D)
van der waals binding
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View Answer play_arrow
When the angle at incidence on a material is \[{{60}^{o}},\]the reflected light is complete polarized. The velocity of the refracted ray inside the material is (in m/s)
A)
\[3\times {{10}^{8}}\]
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B)
\[\left( \frac{3}{\sqrt{2}} \right)\times {{10}^{8}}\]
done
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C)
\[\sqrt{3}\times {{10}^{8}}\]
done
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D)
\[0.5\times {{10}^{8}}\]
done
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View Answer play_arrow
What will be the angular width of central maxima in fraunhofcr diffraction, when tight of wavelength \[(6000\overset{o}{\mathop{A}}\,)\] is used and slit width is \[12\times {{10}^{-5}}cm\]:
A)
2rad
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B)
3 rad
done
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C)
1 rad
done
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D)
2 rad
done
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View Answer play_arrow
A microscope is focused on a needle lying is am empty tank. Now, the tank is filled with benzene to a height 120 mm. The microscope is moved 40mm to focus the needle again the refractive index of benzene is:
A)
\[1.5\]
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B)
\[2.5\]
done
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C)
\[3.0\]
done
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D)
\[4.5\]
done
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View Answer play_arrow
A varying magnetic flux linking a coil is given by \[\theta =3{{t}^{2}}\]. The magnitude of induced emf in the loop at \[t=3s,\] is:
A)
\[3\,V\]
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B)
\[9\,V\]
done
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C)
\[18\,V\]
done
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D)
\[27\,V\]
done
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View Answer play_arrow
A series combination of R, L and C is connected to an AC source. If the resistance is 30 and reactance is \[4\Omega \]. The power factor of the circuit is:
A)
\[0.4\]
done
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B)
\[0.6\]
done
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C)
\[0.8\]
done
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D)
\[1.0\]
done
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View Answer play_arrow
A conducting square loop of side L and resistance R moves in its plane with a uniform velocity V perpendicular to one of its sides. A magnetic field, B, constant in space and time. Pointing perpendicular and into the plane of the loop exists everywhere as shown in figure. The current induced in the loop is:
A)
BLV/R clockwise
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B)
BL V/R anti clockwise
done
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C)
2BLV/R anti-clockwise
done
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D)
zero
done
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View Answer play_arrow
A current i is flowing in a conductor as shown in the figure. The magnetic induction at point O will be:
A)
zero
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B)
\[l{{\mu }_{0}}i/r\]
done
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C)
\[{{\mu }_{0}}i/4r\]
done
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D)
\[{{\mu }_{0}}i/r\]
done
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View Answer play_arrow
A wire at bent to form a semi-circle of radius. The wire rotates about its one and with angular velocity \[\omega \] axis of rotation being perpendicular to plane of the semicircle. In the space, uniform magnetic field of induction B exists along the axis of rotation as shown. The correct statement is:
A)
Potential difference between P and Q is equal to \[2B\omega {{a}^{2}}\]
done
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B)
Potential difference between P and Q is equal to \[2{{\pi }^{2}}B\omega {{a}^{2}}\]
done
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C)
P, is at higher potential than Q
done
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D)
Potential difference between P and Q is zero
done
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View Answer play_arrow
Which of the following molecules will not show optical activity?
A)
\[{{H}_{3}}C-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{D}_{3}}\]
done
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B)
done
clear
C)
\[{{H}_{3}}C-\underset{Cl}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-C{{H}_{2}}C{{H}_{3}}\]
done
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D)
done
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View Answer play_arrow
Lassaigne's test for the detection of nitrogen fails in
A)
\[{{H}_{2}}N-CO-NHN{{H}_{2}}.HCl\]
done
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B)
\[N{{H}_{2}}-N{{H}_{2}}.HCl\]
done
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C)
\[N{{H}_{2}}-CO-N{{H}_{2}}\]
done
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D)
\[{{C}_{6}}{{H}_{5}}CON{{H}_{2}}\]
done
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View Answer play_arrow
The IUPAC name of
is
A)
3,4-dimcthylpentanoyl chloride
done
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B)
l-chloro-l-oxo-2,3 - dimethylpentane
done
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C)
2-ethyl-3-methyl butanoyl chloride
done
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D)
2,3-dimethylpentanoyl chloride
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View Answer play_arrow
Major organic product formed from the following sequence of reactions is
A)
done
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B)
done
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C)
done
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D)
done
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View Answer play_arrow
The correct stability order for the following species is
A)
\[II>IV>I>III\]
done
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B)
\[I>II>HI>IV\]
done
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C)
\[II>I>IV>III\]
done
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D)
\[I>III>II>IV\]
done
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View Answer play_arrow
A compound (X) on ozonolysis followed by reduction gives an aldehyde \[{{C}_{2}}{{H}_{4}}O\] and 2-butanone, compound (X) is
A)
3-methyl pentene-2
done
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B)
3-methyl pentene-3
done
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C)
3-methyl hexene-3
done
clear
D)
3-ethyl pentene-3
done
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View Answer play_arrow
Propyne on passing through red hot iron tube gives
A)
done
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B)
done
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C)
done
clear
D)
done
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View Answer play_arrow
Ethyl alcohol exhibits acidic nature on reaction with
A)
acidic \[{{K}_{2}}C{{r}_{2}}{{O}_{7}}\]
done
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B)
Na metal
done
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C)
\[HCl\]
done
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D)
\[C{{H}_{3}}COOH\]
done
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View Answer play_arrow
Acetophenone when reacted with a base, \[{{C}_{2}}{{H}_{5}}ONa,\] yields a stable compound which has the structure
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
Carboxylic acids readily dissolve in aqueous sodium bicarbonate, liberating carbon dioxide. Which one of the following is correct?
A)
Free carboxylic acid and its conjugate base are of comparable stability.
done
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B)
The free carboxylic acid is more stable then its conjugate base.
done
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C)
The conjugate base of the carboxylic acid is more stable than the free carboxylic acid.
done
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D)
The conjugate acid of the carboxylic acid is more stable than the free carboxylic acid.
done
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View Answer play_arrow
Natural rubber is a polymer of
A)
styrene
done
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B)
chloroprene
done
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C)
isoprene
done
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D)
1,2-butadiene
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View Answer play_arrow
Which of the following is not true?
A)
Pheromones are secreted outside the body by the insects.
done
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B)
Aspirin is analgesic and anti-pyretic
done
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C)
Sucrose is a dipeptide commonly known as aspartase
done
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D)
The DNA assists in the synthesis of RNA molecules.
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View Answer play_arrow
The catalyst used for olefin polymerisation is
A)
Ziegler-Natta catalyst
done
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B)
Wilkinson catalyst
done
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C)
Raney nickel catalyst
done
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D)
Merrified resin
done
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View Answer play_arrow
Which of the following statements about benzyl chloride is incorrect?
A)
It is less reactive than alkyi halides
done
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B)
It can be oxidised to benzaldehyde by boiling with copper nitrate solution
done
clear
C)
It is lachry matory liquid and answers beilsteins test
done
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D)
It gives a white precipitate with alcoholic silver nitrate.
done
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View Answer play_arrow
What amount of bromine will be required to convert 2g of phenol into 2, 4, 6-tribromo phenol?
A)
\[20.44\text{ }g\]
done
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B)
\[6.00\text{ }g\]
done
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C)
\[4.00\text{ }g\]
done
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D)
\[10.22\text{ }g\]
done
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View Answer play_arrow
Benzene reacts with chlorine in sunlight to give a final product.
A)
\[CC{{l}_{4}}\]
done
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B)
\[{{C}_{6}}{{H}_{6}}C{{l}_{6}}\]
done
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C)
\[{{C}_{6}}C{{l}_{6}}\]
done
clear
D)
\[{{C}_{6}}{{H}_{5}}Cl\]
done
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View Answer play_arrow
What is the frequency of a x-ray photon whose momentum is \[1.1\times {{10}^{-23}}kg\,\,m{{s}^{-2}}\]?
A)
\[5\times {{10}^{16}}hz\]
done
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B)
\[1.5\times {{10}^{27}}hz\]
done
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C)
\[0.5\times {{10}^{18}}hz\]
done
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D)
\[5\times {{10}^{18}}hz\]
done
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View Answer play_arrow
The formation of micelles which occur only beyond a certain temperature is called
A)
Critical temperature
done
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B)
Krafft temperature
done
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C)
Critical sol. temperature
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D)
Consulate temperature
done
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View Answer play_arrow
\[Ni/N{{i}^{2+}}\,[1.0M]\,\,||A{{u}^{3+}}[1.0M]/Au\]
(Where \[{{E}^{o}}\] for \[N{{i}^{2+}}/Ni\] is \[-0.25\text{ }V,\] \[{{E}^{o}}\] for \[A{{u}^{3+}}/Au\]is\[0.150\text{ }V\])
What is the emf of the cell?
A)
\[+1.25\,V\]
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B)
\[-1.75\,V\] nmn
done
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C)
\[+1.75\text{ }V\]
done
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D)
\[+0.4\text{ }V\]
done
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View Answer play_arrow
A match box shows
A)
monoclinic geometry
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B)
cubic geometry
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C)
orthoorhombic geometry
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D)
none of these
done
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View Answer play_arrow
Which one of the following statements is wrong?
A)
The conductivity of metals decreases with increase in temperature.
done
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B)
The conductivity of semiconductors increases with increase in temperature.
done
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C)
There is no superconductor at room temperature.
done
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D)
Ionic solids conduct electricity due to presence of ions.
done
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View Answer play_arrow
If potassium chlorate is 80% pure, then 48 g of oxygen would be produced from (atomic mass of K=39)
A)
\[153.12g\] of \[KCl{{O}_{3}}\]
done
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B)
\[122.5\text{ }g\] of \[KCl{{O}_{3}}\]
done
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C)
\[245\,g\] of \[KCl{{O}_{3}}\]
done
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D)
\[98\text{ }g\] of \[KCl{{O}_{3}}\]
done
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View Answer play_arrow
The orbital diagram in which both the pauli's exclusion principle and Hund's rule are violated is
A)
done
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B)
done
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C)
done
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D)
done
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View Answer play_arrow
Molecular shapes of \[S{{F}_{4}},C{{F}_{4}}\] and \[Xe{{F}_{4}}\] are
A)
Same with 2, 0 and 1 lone pairs of electrons respectively.
done
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B)
Same with 1, 1 and 1 lone pairs of electrons respectively.
done
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C)
different with 1, 0 and 2 lone pairs of electrons respectively.
done
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D)
different with 1,1 and 1 lone pairs of electrons respectively.
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View Answer play_arrow
\[{{H}_{2}}S\] is more acidic than \[{{H}_{2}}O\] because
A)
\[O-H\] bond is stronger than \[S-H\] bond
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B)
\[O\] is more electronegative than sulphur
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C)
\[H-S\] bond is weaker than \[O-H\] bond
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D)
\[O-H\] bond is weaker than \[H-S\] bond
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View Answer play_arrow
Which of the following solutions will have the highest boiling point at 1 aim pressure?
A)
\[0.1\,M\,FeC{{l}_{3}}\]
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B)
\[0.1\,M\,BaC{{l}_{2}}\]
done
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C)
\[0.1\,M\,NaCl\]
done
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D)
\[0.1\,M\] urea
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View Answer play_arrow
The workdone during the expansion of a gas from a volume of \[4\text{ }d{{m}^{3}}\] to \[6\text{ }d{{m}^{3}}\]against a constant external pressure of 3 atm is
A)
\[-6\,J\]
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B)
\[-608\,J\]
done
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C)
\[+304\,J\]
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D)
\[-304\,J\]
done
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View Answer play_arrow
One mole of a perfect gas expands isothermally to ten times its original volume. The change in entropy is
A)
\[0.1\,R\]
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B)
\[2.303\text{ }R\]
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C)
\[10.0\text{ }R\]
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D)
100.0 R
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View Answer play_arrow
In the reversible reaction\[2N{{O}_{2}}{{N}_{2}}{{O}_{4}}\] the rate of disappearance of \[N{{O}_{2}}\] is equal to
A)
\[\frac{2{{k}_{1}}}{{{k}_{2}}}\,{{\left[ N{{O}_{2}} \right]}^{2}}\]
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B)
\[2{{k}_{1}}{{[N{{O}_{2}}]}^{2}}-2{{k}_{2}}[{{N}_{2}}{{O}_{4}}]\]
done
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C)
\[2{{k}_{1}}{{[N{{O}_{2}}]}^{2}}-{{k}_{2}}[{{N}_{2}}{{O}_{4}}]\]
done
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D)
\[(2{{k}_{1}}-{{k}_{2}})\,[N{{O}_{2}}]\]
done
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View Answer play_arrow
A catalyst in the finaly divided state is more efficient because in this state
A)
It has larger surface area
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B)
It has larger activation energy
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C)
It can react with one of the reactants more efficiency
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D)
Particle-molecule contact becomes easier
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View Answer play_arrow
The charge/size ratio of a cation determines its polarizing power. Which one of the following sequences represents the increasing order of the polarizing power of the cationic species, \[{{K}^{+}},C{{a}^{2+}},M{{g}^{2+}},B{{e}^{2+}}\]?
A)
\[M{{g}^{2+}}<B{{e}^{2+}}<{{K}^{+}}<C{{a}^{2+}}\]
done
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B)
\[B{{e}^{2+}}<{{K}^{+}}<C{{a}^{2+}}<M{{g}^{2+}}\]
done
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C)
\[{{K}^{+}}<C{{a}^{2+}}<M{{g}^{2+}}<B{{e}^{2+}}\]
done
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D)
\[C{{a}^{2+}}<M{{g}^{2+}}<B{{e}^{2+}}<{{K}^{+}}\]
done
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View Answer play_arrow
Gallium arsenide is purified by
A)
Froth floatation process
done
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B)
Van-Arkel method
done
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C)
Zone-refining method
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D)
Electrolytic method
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View Answer play_arrow
\[N{{a}_{2}}C{{O}_{3}}\] cannot be used in place of \[{{(N{{H}_{4}})}_{2}}C{{O}_{3}}\] for the identification of \[C{{a}^{2+}},B{{a}^{2+}}\] and \[S{{r}^{2+}}\] ions because
A)
Concentration of \[CO_{3}^{2-}\] ions is very low
done
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B)
\[N{{a}^{+}}\] ions will interfere with the detection of \[C{{a}^{2+}},B{{a}^{2+}}\] and \[S{{r}^{2+}}\]
done
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C)
Sodium will react with acid radicals.
done
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D)
Magnesium will be precipitated.
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View Answer play_arrow
\[100\text{ }ml\] of \[\frac{N}{10}HCl\] are mixed with 300 ml of \[\frac{N}{20}\] \[HN{{O}_{3}}\]. The normality of the resulting solution will be
A)
\[\frac{N}{15}\]
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B)
\[\frac{N}{20}\]
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C)
\[\frac{N}{16}\]
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D)
\[\frac{N}{18}\]
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View Answer play_arrow
A certain compound (X) when treated with copper sulphate solution yields a brown precipitate. On adding hypo solution, the precipitate turns white. The compound is
A)
\[{{K}_{2}}C{{O}_{3}}\]
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B)
\[{{K}_{3}}P{{O}_{4}}\]
done
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C)
\[KBr\]
done
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D)
\[KI\]
done
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View Answer play_arrow
The acid containing single S-S bond is
A)
\[{{H}_{2}}{{S}_{2}}{{O}_{2}}\]
done
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B)
\[{{H}_{2}}{{S}_{2}}{{O}_{3}}\]
done
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C)
\[{{H}_{2}}{{S}_{2}}{{O}_{7}}\]
done
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D)
\[{{H}_{2}}{{S}_{2}}{{O}_{4}}\]
done
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View Answer play_arrow
Pearl white is
A)
\[AsOCl\]
done
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B)
\[BiOCl\]
done
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C)
\[SbOCl\]
done
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D)
\[{{(N{{H}_{4}})}_{2}}C{{O}_{3}}\]
done
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View Answer play_arrow
The solubility of the halogen (X) in water is greatly increased by the addition of its salt. The halogen (X)is:
A)
Fluorine
done
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B)
Chlorine
done
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C)
Iodine
done
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D)
Bromine
done
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View Answer play_arrow
Nessler's reagent is
A)
\[{{K}_{2}}Hg{{I}_{4}}\]
done
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B)
\[{{K}_{2}}Hg{{I}_{4}}+KOH\]
done
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C)
\[{{K}_{2}}Hg{{I}_{2}}+KOH\]
done
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D)
\[{{K}_{2}}Hg{{I}_{4}}+Hg\]
done
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View Answer play_arrow
\[{{[Ni{{(CN)}_{4}}]}^{2+}}\] and \[{{[NiC{{l}_{4}}]}^{2-}}\] have dissimilarity but not in
A)
magnetic moment
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B)
co-ordination number and oxidation states
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C)
structure
done
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D)
colour
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View Answer play_arrow
\[C{{F}_{3}}-\underset{Cl}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-Br\] is used as
A)
antiseptic
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B)
analgesic
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C)
disinfectant
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D)
anaesthetic
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View Answer play_arrow
If a mixture of methane, ammonia and oxygen is passed over pt-gauge at \[{{700}^{o}}C\] then the product will be
A)
\[HCOOH\]
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B)
\[HCN\]
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C)
\[C{{H}_{3}}N{{H}_{2}}\]
done
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D)
all of these
done
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View Answer play_arrow
Which of the following is used to estimate the growth of plants?
A)
\[He\]
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B)
\[Ne\]
done
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C)
\[Rn\]
done
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D)
\[Ar\]
done
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View Answer play_arrow
The structure of \[ICl_{2}^{-}\] species is
A)
trigonal planar
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B)
linear
done
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C)
trigonal biyramidal
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D)
octahedral
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View Answer play_arrow
A radioactive isotope has a half-life of 10 days. What was its original weight 40 days earlier if today it is\[125\text{ }g\]?
A)
\[600\text{ }g\]
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B)
\[1000\text{ }g\]
done
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C)
\[1250\text{ }g\]
done
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D)
\[2000g\]
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View Answer play_arrow
Mark the correct statement about Herceptin monoclonal antibody.
A)
Activate the immune system and destroy the tumor
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B)
It is used for the treatment of breast cancer
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C)
It stimulates the C.N.S.
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D)
All of these
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View Answer play_arrow
Which of the following is the exotic breed of cattle?
A)
Jersey
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B)
Deoni
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C)
Sohiwal
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D)
Gir
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View Answer play_arrow
Catching, processing or selling offish, shellfish or other aquatic animals is called
A)
Aquaculture
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B)
In land fishery
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C)
Fishery
done
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D)
Pisciculture
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View Answer play_arrow
Bacterial plasmid used as vector in rDNA technology is
A)
Chromosomal DNA that replicates autonomously
done
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B)
Satellite chromosome with \[{{Z}^{o}}\] constriction
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C)
ssRNA
done
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D)
Extra chromosomal DNA that can replicate autonomously
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View Answer play_arrow
DNA polymerization always requires primers to get it started, Primer is
A)
Polypeptide that are complementary to the regions of DNA
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B)
Phospholipids
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C)
DNA polymerase enzyme
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D)
Oligonucleotides synthesized chemically that are comple mentary to the regions of DNA
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View Answer play_arrow
Given below are three statements
I. Gene therapy is used to correct some gene defect. II. Transgenic animal has manipulated DNA and it expresses some extra gene. III. If protein is expressed by some gene in competent host, it is called recombinant protein
Choose the correct option
A)
Only (I) is correct
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B)
Only (I) & (II) are correct but (III) is incorrect
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C)
All three are correct
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D)
(II) is incorrect but (I) and (III) are correct
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View Answer play_arrow
Choose incorrect match
A)
Ori - origin of replication
done
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B)
ROP - it codes for the protein involved in replication of plasmid
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C)
Sal I - selectable marker on the plasmid of salmonella typhimurium
done
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D)
EcoRI Site - Restriction site on pBR322.
done
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View Answer play_arrow
During gel electrophoresis, DNA strands are stained bright orange by using one chemical compound known as
A)
Methylene blue
done
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B)
Eosin Y
done
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C)
Osmium tctroxide
done
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D)
Ethidium bromide
done
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View Answer play_arrow
Taq polymerase enzyme used in rDNA technology is extracted from
A)
Saccharomyces cercuisiae
done
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B)
Methylophilus
done
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C)
Thermus aquaticus
done
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D)
Salmonella typhimurium
done
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View Answer play_arrow
Silencing of mRNA of nematode Meloidegyne incognita has been achieved by the process known as
A)
Bt toxin
done
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B)
RNAi/RNA mterferencing
done
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C)
Gene amplification
done
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D)
Translation
done
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View Answer play_arrow
Which one of the following is not a primary producer in an aquatic ecosystem?
A)
Phytoplankton
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B)
Algae
done
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C)
Higher aquatic plants
done
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D)
Woody submerged plants
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View Answer play_arrow
All of following are natural ecosystems except
A)
Aquarium
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B)
Estuary
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C)
Desert
done
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D)
Wetland
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View Answer play_arrow
In a tropical rainforest ecosystem, a much larger fraction of energy flows through the
A)
Auxiliary food chain
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B)
Detritus food chain
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C)
Parasitic food chain
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D)
Grazing food chain
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View Answer play_arrow
The individual transitional community is termed as ____ in ecological succession
A)
Climax community
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B)
Pioneer community
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C)
Seral community
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D)
Climatic climax community
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View Answer play_arrow
Secondary ecological succession can occur in
A)
Newly cooled lava
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B)
Bare rock
done
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C)
Newly crated ponds
done
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D)
Abandoned farmland
done
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View Answer play_arrow
Strict protection of hot spot in India could reduce the ongoing mass extinctions by almost
A)
30%
done
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B)
20%
done
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C)
30%
done
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D)
40%
done
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View Answer play_arrow
How many biosphere reserves are in India?
A)
14
done
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B)
25
done
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C)
90
done
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D)
448
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View Answer play_arrow
Choose the correct match w.r.t. species which are facing the threat of extinction?
A)
Fishes - 12%
done
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B)
Mammals - 32%
done
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C)
Amphibian - 23%
done
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D)
Gymnosperm - 31%
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View Answer play_arrow
India covers the world?s land area of
A)
\[4.2%\]
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B)
\[8.1%\]
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C)
\[2.4%\]
done
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D)
\[1.8%\]
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View Answer play_arrow
When did the Government of India pass the Environment Act to protect and improve the quality of environment?
A)
1983
done
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B)
1987
done
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C)
1978
done
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D)
1986
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View Answer play_arrow
Which one of the following is responsible for blue baby syndrome?
A)
Ozone
done
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B)
Nitrogen compound
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C)
Carbon compound
done
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D)
Sulphur oxides
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View Answer play_arrow
Jhum cultivation is related with the
A)
Deforestation
done
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B)
Chipko Movement
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C)
Show Blindness
done
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D)
Joint forest management
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View Answer play_arrow
Find the correct match
A)
Bad Ozone - Mesosphere
done
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B)
Good Ozone - Troposphere
done
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C)
Bad Ozone - Ionosphere
done
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D)
Good Ozone - Stratosphere
done
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View Answer play_arrow
Combined relative contribution of \[C{{H}_{4}}\] and CFCs gases to total global warming is
A)
14%
done
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B)
20%
done
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C)
34%
done
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D)
26%
done
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View Answer play_arrow
Anthropogenic solid waste can be categorized into
A)
Two types
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B)
Three types
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C)
Five types
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D)
Seven types
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View Answer play_arrow
Temperature of earth has increase by ______ and most of it during the last _____ decades.
A)
\[{{0.6}^{o}}C,3\]
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B)
\[{{0.4}^{o}}C,10\]
done
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C)
\[{{10}^{o}}C,6\]
done
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D)
\[{{6}^{o}}C,2\]
done
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View Answer play_arrow
Catalytic converter can convert ____
A)
\[Nox\to {{N}_{2}}\]
done
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B)
\[Co\to C{{o}_{2}}\]
done
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C)
\[C{{o}_{2}}\to Co\]
done
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D)
More than one option is correct
done
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View Answer play_arrow
Indian Botanical garden is located at
A)
New Delhi
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B)
Lucknow
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C)
Howrah
done
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D)
Dehradun
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View Answer play_arrow
Transcription and Translation have to be tightly regulated as these processes
A)
Occur in nucleus of fruity fly
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B)
Occur in mitochondria of human
done
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C)
Are energetically very expensive
done
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D)
Occur in cytoplasm of bacteria
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View Answer play_arrow
Select the incorrect match
A)
Name Stamens Carpel Trifolium 10 G(2)
done
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B)
Name Stamens Carpel Asparagus 6 G(3)
done
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C)
Name Stamens Carpel Tomato 5 G(2)
done
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D)
Name Stamens Carpel Petunia 5 G(2)
done
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View Answer play_arrow
Select incorrect match with respect to Mango
A)
Division - Angiospermal
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B)
Class - Dicotyledonal
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C)
Family - Anacardiaceal
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D)
Order - Sapinedeal
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View Answer play_arrow
Select wrong match
A)
Cholera-Vibrio
done
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B)
Citrus Canker - Xanthomorias
done
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C)
Tetanus - Tetani
done
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D)
Typhoid - Salmonella
done
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View Answer play_arrow
Select incorrect match
A)
Bread Mould - Rhizopus
done
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B)
Total Stool - Amanita
done
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C)
Asexual Spores - Basidio spores
done
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D)
Sac fungus - Penicillium
done
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View Answer play_arrow
Select wrong match
A)
Pellicle - Euglena
done
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B)
Silicified wall - Gonyaulax
done
clear
C)
Cellulosic plates - Dinoflagellates
done
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D)
Plasmodium - Slime moulds
done
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View Answer play_arrow
Out of mumps, smallpox, typhoid, influenza, herpes how many disease are caused by virus
A)
Two
done
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B)
Three
done
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C)
Four
done
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D)
Five
done
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View Answer play_arrow
Formation of haploid endosperm is found in
A)
Sequoia
done
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B)
Beans
done
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C)
Ferns
done
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D)
Pea
done
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View Answer play_arrow
Select the incorrect match
A)
Quiescent stage \[({{G}_{0}})\] - Inactive stage
done
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B)
Anaphase-I - Splitting ofcentromere
done
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C)
Diplotene - Dissolution of the synaptonemal complex
done
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D)
Telophase-II - Nuclear membrane reappear
done
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View Answer play_arrow
How many compounds of Krebs cycle given below contain six carbons?
A. Citric Acid B. Oxalosuccinic acid C. Succinic acid D. a-ketoglutaric acid
A)
Three
done
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B)
Four
done
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C)
Two
done
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D)
One
done
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View Answer play_arrow
The prominent symptom of manganese toxicity is
A)
Marginal curling
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B)
Curling first in young leaves
done
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C)
Brown spot surrounded by chlarotic veins
done
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D)
Delay in flowering
done
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View Answer play_arrow
How many varieties in the list given below are resistant to insect pests? Pusa Sawani, Pusa Gaurav, Pusa Shubhra, Pusa Komal and Himgiri
A)
Four
done
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B)
Three
done
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C)
One
done
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D)
Two
done
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View Answer play_arrow
Which of the following does not help in formation of translation initiation complex in eukaryotes?
A)
\[eE{{F}_{1}}\]
done
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B)
\[185\,r\,\,RNA\]
done
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C)
Charged tRNA
done
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D)
GTP
done
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View Answer play_arrow
Taylor is heterozygous for two autosomal gene pair (CcDd). He is also colour-blind. What is the probability of gametes having c, d and colour-blind genes?
A)
\[1/2\]
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B)
\[1/4\]
done
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C)
\[1/8\]
done
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D)
\[1/16\]
done
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View Answer play_arrow
The historic convention on Biological Diversity (The Earth Summit) held in Rio de Janeiro in
A)
2002
done
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B)
2001
done
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C)
1990
done
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D)
1992
done
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View Answer play_arrow
Pyramid of energy in lake ecosystem is
A)
Spindle shaped
done
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B)
Inverted
done
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C)
Upright
done
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D)
Both upright and inverted
done
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View Answer play_arrow
ABA plays an important role in
A)
Seed development
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B)
Seed maturation
done
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C)
Seed dormancy
done
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D)
More the one option is correct
done
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View Answer play_arrow
The abdomen of male cockroach does not show
A)
genital pouch bounded dorsally by 9th and 18th terga and ventrally by the 9th sternum
done
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B)
Presence of short thread like anal styles attached to 10th tergum
done
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C)
Presence of a pair of a jointed filamentous structures called and cerci
done
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D)
Presence of ten abdomen segments
done
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View Answer play_arrow
The closing of semilunar valves does not coincide with
A)
Fall in ventricular pressure
done
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B)
Ventricular relaxation
done
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C)
Attempted backflow of blood into the atria from ventricles
done
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D)
Creation of dup sound
done
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View Answer play_arrow
Red muscles fibres are not characterized by
A)
Plenty of mitocondria
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B)
High myoglobin content
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C)
infatiguability
done
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D)
More extensive sarcoplasmic reticulum
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View Answer play_arrow
The cristae and maculae are collectively termed as
A)
Chemoreceptors
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B)
Baroreceptors
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C)
Labyrinthine receptors
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D)
Teloreceptors
done
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View Answer play_arrow
Mark the hormone which forms two peaks during menstrual cycle
A)
Estrogen
done
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B)
Progesterone
done
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C)
FSH
done
clear
D)
LH
done
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View Answer play_arrow
Mark the odd one
A)
lemur and spotted cuscus
done
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B)
flying squirrel and flying phalanger
done
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C)
koala and bondicoot
done
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D)
wolf and trsmanian wolf
done
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View Answer play_arrow
Acid in the stomach, saliva in the mouth, tears from eyes all are example of
A)
Cellular barriers
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B)
Physiological barriers
done
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C)
Physical barriers
done
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D)
Cytokine barriers
done
clear
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Type of antibody that remains attached to mucus membranes of body is
A)
IgA
done
clear
B)
IgM
done
clear
C)
IgD
done
clear
D)
lgG
done
clear
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Mark the non harmful technique to diagnose the cancer of internal organs
A)
Radiography
done
clear
B)
Computed tomography
done
clear
C)
Histopathological studies
done
clear
D)
Magnetic resonance imaging
done
clear
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Choose the wrong match
A)
Pigments - Carotenoids, anthocyanins etc
done
clear
B)
Lectins - Morphine, codein
done
clear
C)
Polymeric - Rubber, gums, cellulose substances
done
clear
D)
Toxins - Abrin, Ricin
done
clear
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The mode of transport of urea from collecting duct to interstitum is
A)
Active transport
done
clear
B)
Facilitated transport
done
clear
C)
Passive transport
done
clear
D)
Sometimes active and sometimes passive transport
done
clear
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Use of lUDs within 72 hours of coitus, as emergency contraceptive is mainly aimed at
A)
Preventing sperm ascent
done
clear
B)
Preventing mating of sperm and ovum
done
clear
C)
Preventing implantation
done
clear
D)
Killing of sperms
done
clear
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Periodic abstinence a natural method of contraception aims at
A)
Preventing ovulation
done
clear
B)
Preventing approximation of gametes
done
clear
C)
Killing of male gametes
done
clear
D)
Impairing sperm ascent
done
clear
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What is incorrect for zygote?
A)
Vital link between organisms of two generations
done
clear
B)
Sexually reproducing organisms begin life as zygote
done
clear
C)
Its development does not depend on type of lifecycle of organisms
done
clear
D)
May be formed either outside or inside the body of organism
done
clear
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The ploidy level of hypophysis is
A)
2n
done
clear
B)
n
done
clear
C)
3n
done
clear
D)
6n
done
clear
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How many new plants are formed from single gemma in Marchantia?
A)
One
done
clear
B)
Two
done
clear
C)
Three
done
clear
D)
Four
done
clear
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The most vital event of amphimixis is the
A)
Fusion of gametes
done
clear
B)
Meiosis for the formation of gametes
done
clear
C)
Development of (+) and (-) strains on gametes
done
clear
D)
Production of large number of male gametes
done
clear
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The number of chromosomes in meiocyte of rice and apple are respectively
A)
12,34
done
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B)
24,34
done
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C)
17,12
done
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D)
10,20
done
clear
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In which of the following pollination does not occur before opening of flowers?
A)
Pisum Sativum
done
clear
B)
Triticum aestivum
done
clear
C)
Oryza saliva
done
clear
D)
Mirabilis
done
clear
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In a typical ovule the number of sporangia is
A)
Generally 2
done
clear
B)
4 or 2 or 1
done
clear
C)
Always 1
done
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D)
Generally A
done
clear
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Presence of a physical barrier between male and female organs to prevent self-pollination is called
A)
Cleistogamy
done
clear
B)
Herkogamy
done
clear
C)
Dichogamy
done
clear
D)
Pseudacopulation
done
clear
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A typical dicot embryo consists of
A)
Scutellum and epiblast
done
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B)
Two cotyledons and tigcllum
done
clear
C)
Two cotyledons and epiblast
done
clear
D)
Redicle and cockorrhiza
done
clear
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Which is not a post - fertilization change?
A)
Integumert \[\to \] Seed coat
done
clear
B)
Ovule \[\to \] Seed
done
clear
C)
Carpel \[\to \] Megasporophyll
done
clear
D)
Ovary \[\to \] fruit
done
clear
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Pollen tube in angiosperms
A)
is produced by exine
done
clear
B)
carries motile male gametes
done
clear
C)
is a sperm carrier
done
clear
D)
is produced by generative cell
done
clear
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Which group of the plant usually shows external fertilization?
A)
Algae
done
clear
B)
Bryophytes
done
clear
C)
Pteridophytes
done
clear
D)
Both [a] and [b]
done
clear
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Which one of the following is fore runner of male gamete?
A)
Ovule
done
clear
B)
Middle layer
done
clear
C)
Microspore mother cell
done
clear
D)
Embryosac
done
clear
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The ovule is attached to placenta by means of
A)
Chalaza
done
clear
B)
Funiculus
done
clear
C)
Hilum
done
clear
D)
Integument
done
clear
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Which of the following can U be taken as the character/function of the sertoli cell?
A)
Release of ABP
done
clear
B)
Contribute to major part of semen
done
clear
C)
Release of AMF
done
clear
D)
Formation of blood testes barrier
done
clear
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If a female having arnenstrual cycle of 32 days. What will be the day of ovulation in this case?
A)
14th day
done
clear
B)
10th day
done
clear
C)
18th day
done
clear
D)
16th day
done
clear
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In human, the ovum is first released from the ovary into
A)
Body cavity
done
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B)
Isthmus part
done
clear
C)
Fimbriae of oviduct
done
clear
D)
Ampulla part
done
clear
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The cells of the trophoblast twhich are in contect with inner cell mass are called
A)
Extra embryonic cells
done
clear
B)
Cell of Rubber
done
clear
C)
Germinal cells
done
clear
D)
Renshaw cells
done
clear
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The state of suspension of estrons cycle, during non breeding season is called
A)
Polycstrous
done
clear
B)
Anestrum
done
clear
C)
Monoestrous
done
clear
D)
Reflex ovulation
done
clear
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Zona pellucida is formed in
A)
Primary oocyte
done
clear
B)
Primary follicle
done
clear
C)
Secondary oocyte
done
clear
D)
Secondary follicle
done
clear
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Which of the following is not a function of placenta?
A)
Nutrition
done
clear
B)
Endocrine
done
clear
C)
Excretion
done
clear
D)
Haemopoiesis
done
clear
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The trophoblastic cells secrete
A)
hCG
done
clear
B)
hPL
done
clear
C)
LH
done
clear
D)
Progesterone
done
clear
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Menstruation occurs in
A)
Humans only
done
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B)
All mammals
done
clear
C)
Humans, apes and old world monkey's
done
clear
D)
Humans, apes only
done
clear
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Fertilization outside the body in almost similar conditions as that in the body is called
A)
In vivo fertilization
done
clear
B)
ZIFT
done
clear
C)
GIFT
done
clear
D)
In vitro fertilization (IVF)
done
clear
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Which of the following is hormone releasing IUD?
A)
Multiload 375
done
clear
B)
LNG-20
done
clear
C)
Lippes loop
done
clear
D)
CuT
done
clear
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Mark the detection technique for syphilis
A)
PCR
done
clear
B)
VDRL
done
clear
C)
Ames test
done
clear
D)
ELISA
done
clear
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It is non-steroidal, once a week contraceptive pill with very few side effects
A)
MaIa-D
done
clear
B)
Norplant
done
clear
C)
Saheli
done
clear
D)
RU486
done
clear
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Haemophilus ducreyi is a causative agent of
A)
Genital warts
done
clear
B)
Chancroid
done
clear
C)
Genital herpes
done
clear
D)
Cwamydia
done
clear
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Mifepristone is
A)
Antiprogcsterone
done
clear
B)
Antigonadotropin
done
clear
C)
Antiestrogen
done
clear
D)
Antiandrogen
done
clear
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Legalisation of MTP was done by Govt. of India in 1951
A)
1951
done
clear
B)
1971
done
clear
C)
1997
done
clear
D)
2001
done
clear
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Which of the following is not a STD?
A)
AIDs
done
clear
B)
Genital herpes
done
clear
C)
Genitial warts
done
clear
D)
Haemophilia
done
clear
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In which of the stage of demographic transition there is declining birth rate and death rate being already low?
A)
Stage-I
done
clear
B)
Stage-II
done
clear
C)
Stage-III
done
clear
D)
Stage-IV
done
clear
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