question_answer 1) Which of the following is true regarding beats?
A)
Frequency different, amplitude same
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B)
Frequency same, amplitude same
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C)
Frequency same, amplitude different
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D)
None of the above
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question_answer 2) Moment of inertia of ring about its diameter is I. Then, moment of inertia about an axis passing through centre perpendicular to its plane is
A)
\[2I\]
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B)
\[\frac{I}{2}\]
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C)
\[\frac{3}{2}I\]
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D)
\[I\]
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question_answer 3)
If in the following figure, height of object is \[{{H}_{1}}=+2.5cm,\] then height of image H2 formed is
A)
-5 cm
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B)
+5 cm
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C)
+7.5 cm
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D)
-7.5cm
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question_answer 4) In a semiconductor electron concentration is \[7\times {{10}^{13}}c{{m}^{-3}}\] and hole concentration is \[5\times {{10}^{12}}c{{m}^{-3}}.\] Then the semiconductor is
A)
n-type
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B)
p-type
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C)
intrinsic
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D)
p-n type
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question_answer 5) The output is low when either of the input is high, then this represents which of the following gates?
A)
OR
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B)
NOR
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C)
AND
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D)
NAND
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question_answer 6) Reverberation time does not depend upon
A)
temperature
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B)
volume of room
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C)
size of window
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D)
carpet and curtain
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question_answer 7) If\[{{B}_{H}}=\frac{1}{\sqrt{3}}{{B}_{v,}}\] find angle of dip. (where symbols have their usual meanings)
A)
\[60{}^\circ \]
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B)
\[30{}^\circ \]
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C)
\[45{}^\circ \]
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D)
\[90{}^\circ \]
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question_answer 8)
The earth moves in an elliptical orbit with the sun S at one of foci as shown in the figure. Its rotational kinetic energy is maximum at the point
A)
A
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B)
B
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C)
C
done
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D)
D
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question_answer 9) Graph of input characteristic of common emitter amplifier is
A)
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B)
done
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C)
done
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D)
done
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question_answer 10) In a potentiometer the null point is obtained at 7th wire. If now we have to change the null point at 9th wire, what should we do?
A)
Attach resistance in series with battery
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B)
Increase resistance in main circuit
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C)
Decrease resistance in main circuit
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D)
Decrease applied emf
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question_answer 11) An aluminium rod and a copper rod are taken such that their lengths are same and their resistances are also same. The specific, resistance of copper is half that of aluminium, but its density is three times that of aluminium. The ratio of the mass of aluminium rod and that of copper rod will be
A)
\[\frac{1}{6}\]
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B)
\[\frac{2}{3}\]
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C)
\[\frac{1}{3}\]
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D)
6
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question_answer 12) If average velocity becomes 4 times then what will be the effect on rms velocity at that temperature?
A)
1.4 times
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B)
4 times
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C)
2 times
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D)
\[\frac{1}{4}\] times
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question_answer 13) What is the Q-value of the reaction \[p{{+}^{7}}Li{{\xrightarrow{{}}}^{4}}He{{+}^{4}}He\] The atomic masses of\[{{~}^{1}}H{{,}^{4}}He\] and \[^{7}Li\]are 1.007825\[u\], 4.002603 \[u\] and 7.016004 \[u\] respectively
A)
17.35 MeV
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B)
18.06 MeV
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C)
177.35 MeV
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D)
170.35 MeV
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question_answer 14) Which of the following is not a state function?
A)
Work done at constant pressure Enthalpy
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B)
Work done by conservative force
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C)
Work done by non-conservative force
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D)
A Carnots engine has an efficiency of 50% at
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question_answer 15) Sink temperature \[50{}^\circ C\]. Calculate the temperature of source.
A)
\[133{}^\circ C\]
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B)
\[143{}^\circ C\]
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C)
\[100{}^\circ C\]
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D)
\[373{}^\circ C\]
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question_answer 16) When both the listener and source are moving towards each other, then which of the following is true regarding frequency and wavelength of wave observed by the observer?
A)
More frequency, less wavelength
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B)
More frequency, more wavelength
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C)
Less frequency, less wavelength
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D)
More frequency, constant wavelength
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question_answer 17) Which motion does not require force to maintain it?
A)
Uniform circular motion
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B)
Elliptical motion
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C)
Uniform straight line motion
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D)
Projectile motion
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question_answer 18) The coefficient of friction between the tyres and the road is 0.25. The maximum speed with which car can be driven round a curve of radius 40 m without skidding is (assume \[g=10m{{s}^{-2}}\]
A)
\[40m{{s}^{-1}}\]
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B)
\[20m{{s}^{-1}}\]
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C)
\[15m{{s}^{-1}}\]
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D)
\[10m{{s}^{-1}}\]
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question_answer 19) In forward bias the width of depletion layer decreases with increase in potential
A)
barrier voltage
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B)
increases with increase in potential barrier voltage
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C)
is independent of potential barrier voltage
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D)
none of the above
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question_answer 20)
If \[{{K}_{s}},\]and \[{{K}_{p}},\] respectively are effective spring constants in series and parallel combination of springs as shown in figure, find \[\frac{{{K}_{s}}}{{{K}_{p}}}\]
A)
\[\frac{9}{2}\]
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B)
\[\frac{3}{7}\]
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C)
\[\frac{2}{9}\]
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D)
\[\frac{7}{3}\]
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question_answer 21)
A bob of pendulum was filled with Hg and entire Hg is drained out, then the time period of pendulum
A)
remains unchanged
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B)
decreases
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C)
increases
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D)
increases then decreases
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question_answer 22) The minimum force required to move a body of mass m vertically upward is
A)
mg
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B)
mg/2
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C)
more than 2mg
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D)
more than mg
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question_answer 23) The uncertainty in the momentum of a particle is \[{{10}^{-30}}kg-m/s.\] The minimum uncertainty in its position will be
A)
\[{{10}^{-8}}\] m
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B)
\[{{10}^{-12}}\] m
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C)
\[{{10}^{-16}}\]m
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D)
\[{{10}^{-4}}\] m
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question_answer 24) If distance between earth and sun becomes four times, then time period becomes
A)
4 times
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B)
8 times
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C)
1/4 times
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D)
1/8 times
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question_answer 25)
An air bubble is contained inside water. It behaves as a
A)
concave lens
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B)
convex lens
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C)
neither convex nor concave
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D)
cannot say
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question_answer 26) The power dissipated across resistance R which is connected across a battery of potential V is P. If resistance is doubled, then the power becomes
A)
\[\frac{1}{2}\]
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B)
\[2\]
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C)
\[\frac{1}{4}\]
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D)
\[4\]
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question_answer 27) BE/nucleon relation with mass number
A)
first decreases then increases
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B)
first increases then decreases
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C)
increases
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D)
decreases
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question_answer 28)
A 100 V, AC source of frequency 500 Hz is connected to an LCR circuit with L =8.1 mH, C = 12.5\[\mu \]F, R = 10 \[\Omega \] all connected in series as shown in figure. What is the quality factor of circuit?
A)
2.02
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B)
2.5434
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C)
20.54
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D)
200.54
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question_answer 29) The inductance of a coil is L = 10 H and resistance R = 5 \[\Omega \]. If applied voltage of battery is 10 V and it switches off in 1 millisecond, find induced emf of inductor.
A)
\[2\times {{10}^{4}}V\]
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B)
\[1.2\times {{10}^{4}}V\]
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C)
\[2\times {{10}^{-4}}V\]
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D)
None of these
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question_answer 30) Two bodies A and B having masses in the ratio of 3:1 possess the same kinetic energy. The ratio of linear momentum of B to A is
A)
1:3
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B)
3:1
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C)
\[1:\sqrt{3}\]
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D)
\[\sqrt{3}:1\]
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question_answer 31) Which of the following four fundamental forces has shortest range?
A)
Nuclear
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B)
Gravitational
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C)
Electromagnetic
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D)
Weak force
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question_answer 32) A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to z-axis along which field B exists. Calculate the angular momentum, if the radius is a and charge on proton is e.
A)
\[\frac{Be}{{{a}^{2}}}\]
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B)
\[e{{B}^{2}}a\]
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C)
\[{{e}^{2}}eB\]
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D)
\[aeB\]
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question_answer 33) If acceleration of a panicle at any time is given by \[a=2t+5\] Calculate the velocity after 5 s, if it starts from rest.
A)
50 m/s
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B)
25 m/s
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C)
100 m/s
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D)
75 m/s
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question_answer 34) 8 bits form
A)
1 byte
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B)
1 diction
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C)
1 nibble
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D)
1 binary
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question_answer 35) A body from height h is dropped. If the coefficient of restitution is e, then calculate the height achieved after one bounce.
A)
\[{{h}_{1}}={{e}^{2}}h\]
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B)
\[{{h}_{1}}={{e}^{4}}h\]
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C)
\[{{h}_{1}}=eh\]
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D)
\[{{h}_{1}}\frac{h}{e}\]
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question_answer 36) A body moves with uniform acceleration, then which of the following graphs is correct?
A)
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B)
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C)
done
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D)
done
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question_answer 37) Two vectors are perpendicular, if
A)
\[\overrightarrow{\text{A}}\text{.}\overrightarrow{\text{B}}\text{.=1}\]
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B)
\[\overrightarrow{\text{A}}\text{.}\overrightarrow{\text{B}}\text{.=0}\]
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C)
\[\overrightarrow{\text{A}}\text{.}\overrightarrow{\text{B}}\text{=}\,\text{0}\]
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D)
\[\overrightarrow{\text{A}}\text{.}\overrightarrow{\text{B}}\text{=}\,AB\]
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question_answer 38) If coefficient of static friction is \[{{\mu }_{s}}\], and coefficient of kinetic friction is \[{{\mu }_{k}}\], which is correct?
A)
\[{{\mu }_{s}}={{\mu }_{k}}\]
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B)
\[{{\mu }_{s}}>{{\mu }_{k}}\]
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C)
\[{{\mu }_{s}}<{{\mu }_{k}}\]
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D)
Cannot predict
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question_answer 39) Light year is used to measure
A)
distance between stars
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B)
distance between atoms
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C)
revolution time of earth around sun
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D)
none of the above
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question_answer 40) Electromagnetic waves are produced by
A)
accelerated charged particle
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B)
decelerated charged particle
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C)
charge in uniform motion
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D)
none of the above
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question_answer 41) A beam of protons with velocity \[4\times {{10}^{5}}m/s\] enters a uniform magnetic field of 0.3 T at an angle of \[60{}^\circ \] to the magnetic field. Find the radius of the helical path taken by the proton beam.
A)
0.2 cm
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B)
1.2 cm
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C)
2.2cm
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D)
0.122cm
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question_answer 42)
Three progressive waves A, B and C are shown in the figure. With respect to A, the progressive wave
A)
B lags by \[\frac{\pi }{2}\] and C leads by \[\frac{\pi }{2}\]
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B)
B lags by \[\pi \] and C leads by \[\pi \]
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C)
B leads by \[\frac{\pi }{2}\] and C lags by \[\frac{\pi }{2}\]
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D)
B leads by \[\pi \]and C lags by \[\pi \]
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question_answer 43) When light passes from one medium to other then which will not change?
A)
Frequency
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B)
Wavelength
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C)
Amplitude
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D)
Velocity
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question_answer 44) Total internal reflection takes place
A)
when a ray moves from denser to rarer and incident angle is greater than critical angle
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B)
when a ray moves from rarer to denser and incident angle is less than critical angle
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C)
when a ray moves from rarer to denser and incident angle is equal to critical angle
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D)
none of the above
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question_answer 45) A beam of light travelling along x-axis is described by the electric field \[{{\text{E}}_{\text{y}}}\text{=(600V}{{\text{m}}^{\text{-1}}}\text{)sin }\!\!\omega\!\!\text{ (t-x/c)}\] then maximum magnetic force on a charge.\[\text{q=}{{\text{2}}^{\text{e}}}\text{,}\] moving along y-axis with a speed of \[3.0\times {{10}^{7}}m{{s}^{-1}}\] is \[(e=1.6\times {{10}^{-19}}C)\]
A)
\[19.2\times {{10}^{-17}}N\]
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B)
\[1.92\times {{10}^{-17}}N\]
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C)
0.192 N
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D)
none of these
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question_answer 46) Which of the following is polar?
A)
\[I_{3}^{-}\]
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B)
\[CO_{3}^{2-}\]
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C)
\[Xe{{F}_{4}}\]
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D)
\[P{{F}_{3}}\] n the reaction,
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question_answer 47)
In the reaction, A is
A)
\[{{H}_{3}}P{{O}_{2}}\]
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B)
\[C{{U}_{2}}C{{l}_{2}}\]
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C)
\[HgS{{O}_{4}}/{{H}_{2}}S{{O}_{4}}\]
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D)
\[{{H}^{+}}/{{H}_{2}}O\]
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question_answer 48) \[Ag\] crystallises as fee. If radius of \[Ag\] is \[~144\text{ }pm\]then its density will be
A)
\[10ge{{m}^{-3}}\]
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B)
\[5\text{ }ge{{m}^{-3}}\]
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C)
\[15\text{ }ge{{m}^{-3}}\]
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D)
\[6.5\text{ }ge{{m}^{-3}}\]
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question_answer 49) Which of the following process will give soap?
A)
Hydrolysis
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B)
Saponification
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C)
Neutralisation
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D)
Acidification
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question_answer 50) Sodium hypo halite when dissolved in water will turn
A)
blue litmus red
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B)
red litmus blue
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C)
red litmus green
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D)
no change
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question_answer 51) A when added to ^silica will give B. A and B are
A)
\[HF,{{H}_{2}}Si{{F}_{4}}\]
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B)
\[HF,{{H}_{2}}Si{{F}_{6}}\]
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C)
\[HCl,{{H}_{2}}SiC{{l}_{6}}\]
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D)
\[HI,{{H}_{2}}Si{{I}_{6}}\]
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question_answer 52)
The compound
A)
alkyne, \[{{3}^{o}}\] amine
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B)
alkene, \[{{2}^{o}}\] amine
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C)
alkene, \[{{3}^{o}}\] amine
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D)
alkyne, \[{{2}^{o}}\] amine
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question_answer 53) The number of geometrical isomers in \[C{{H}_{3}}CH=CHC{{H}_{2}}CH=C{{H}_{2}}\] are
A)
two
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B)
three
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C)
four
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D)
five
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question_answer 54) IUPAC name of the compound\[C{{H}_{2}}=CH-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{{{C}_{2}}{{H}_{5}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,H-\underset{OH}{\mathop{\underset{|}{\mathop{C}}\,}}\,HC{{H}_{3}}\]
A)
\[3-ethyl-4-methyl\text{ }hex-5-en-2-ol\]
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B)
\[3-methyl-4-ethyl\text{ }hex-l-en-5-ol\]
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C)
\[3-ethyl-2-hydroxy-4-methylhex-5-ene\]
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D)
none of the above
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question_answer 55) In the reaction,\[C{{H}_{3}}C{{H}_{2}}COON{{H}_{2}}\xrightarrow{{{P}_{2}}{{O}_{5}}}A\xrightarrow{{{H}^{+}}/{{H}_{2}}O}B\]A and B are
A)
\[C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}},\,\,C{{H}_{3}}C{{H}_{2}}CO{{O}^{-}}\]
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B)
\[C{{H}_{3}}C{{H}_{2}}COON{{H}_{2}},\,\,C{{H}_{3}}C{{H}_{2}}COOH\]
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C)
\[C{{H}_{3}}C{{H}_{2}}CN,\text{ }C{{H}_{3}}C{{H}_{2}}CO{{O}^{-}}\]
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D)
\[C{{H}_{3}}C{{H}_{2}}CN,\text{ }C{{H}_{3}}C{{H}_{2}}COOH\]
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question_answer 56) Number of a and n bonds in \[{{C}_{6}}{{H}_{5}}COOH\] are
A)
\[15\sigma ,\,\,4\pi \]
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B)
\[14\sigma ,\,\,4\pi \]
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C)
\[13\sigma ,\,\,4\pi \]
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D)
\[16\sigma ,\,\,4\pi \]
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question_answer 57) \[{{\Psi }^{2}}=0\]represent
A)
node
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B)
orbital
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C)
angular wave function
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D)
wave functions
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question_answer 58) Which of the following disaccharide has different type of linkage?
A)
Maltose
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B)
Galactose
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C)
Starch
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D)
Sucrose
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question_answer 59) For a reaction,\[\Delta H=+29\,kJ\,mo{{l}^{-1}}\]\[\Delta S=-35\,kJ\,mo{{l}^{-1}}\]at what temperature the reaction will be spontaneous?
A)
\[{{828.7}^{o}}C\]
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B)
\[828.7K\]
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C)
Spontaneous at all temperature
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D)
Not possible
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question_answer 60) As the number of nucleon increases, binding energy per nucleon
A)
increases
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B)
decreases
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C)
first increases then decreases
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D)
first decreases then increases
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question_answer 61) Rate constant has the unit \[mo{{l}^{-2}}\text{ }{{L}^{2}}\text{ }{{s}^{-1}}\], then order of reaction is
A)
zero
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B)
first
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C)
second
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D)
third
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question_answer 62) The reaction follows the mechanism\[A+BAB\,\,\,(fast)\]\[AB+B\xrightarrow{{{k}_{2}}}A+{{B}_{2}}\,\,(slow)\]then rate law is
A)
\[r=k[A][B]\]
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B)
\[r=k[AB][B]\]
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C)
\[r=k[A]{{[B]}^{2}}\]
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D)
\[r=k{{[A]}^{2}}[B]\]
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question_answer 63) Ozonolysis of which of the following will give\[HCHO\]?
A)
\[{{C}_{2}}{{H}_{2}}\]
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B)
\[{{C}_{2}}{{H}_{4}}\]
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C)
\[{{C}_{6}}{{H}_{6}}\]
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D)
\[C{{H}_{2}}=CHCH=C{{H}_{2}}\]
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question_answer 64) \[25g\] of \[MC{{l}_{4}}\] contains \[0.5mole\]chlorine then its molecular weight is
A)
\[100g\text{ }mo{{l}^{-1}}\]
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B)
\[200\text{ }g\text{ }mo{{l}^{-1}}\]
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C)
\[150g\text{ }mo{{l}^{-1}}\]
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D)
\[400g\text{ }mo{{l}^{-1}}\]
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question_answer 65) pH of the solution containing \[1.04\times {{10}^{-12}}M\]\[KOH\] is
A)
\[-11.9\]
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B)
\[+11.9\]
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C)
\[7\]
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D)
\[2.30\]
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question_answer 66) Benzene gives mainly
A)
addition reaction
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B)
elimination reaction
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C)
substitution reaction
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D)
all of the above
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question_answer 67) Formula of ammonium manganate is
A)
\[N{{H}_{4}}Mn{{O}_{4~}}\]
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B)
\[{{(N{{H}_{4}})}_{2}}Mn{{O}_{4~}}\]
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C)
\[N{{H}_{4}}{{(Mn{{O}_{4~}})}_{2}}\]
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D)
\[N{{H}_{4}}M{{n}_{2}}{{O}_{4}}\]
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question_answer 68) Heart patients can be given
A)
Mono saturated fatty acid
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B)
Trans fatty acid
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C)
Polyunsaturated fatty acid
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D)
Poly saturated fatty acid
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question_answer 69) For the reaction \[1g\,mole\]of \[CaC{{O}_{3}}\]is enclosed in 5 L container \[CaC{{O}_{3}}(s)\xrightarrow{{}}CaO(s)+C{{O}_{2}}(g)\]\[{{K}_{p}}=1.16\]at \[1073K\]then per cent dissociation of \[CaC{{O}_{3}}\]is
A)
\[65%\]
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B)
\[100%\]
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C)
\[6.5%\]
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D)
zero
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question_answer 70) The only amino acid which is non-chiral, is
A)
lysine
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B)
proline
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C)
glycine
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D)
histidine
done
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View Answer play_arrow
question_answer 71) The electrolyte \[[Co(N{{H}_{3}})Cl]C{{l}_{2}}\] is which of the following type?
A)
\[1:2\]
done
clear
B)
\[1:3\]
done
clear
C)
\[2:3\]
done
clear
D)
\[4:1\]
done
clear
View Answer play_arrow
question_answer 72) In heterogeneous catalysis which of the following process takes place?
A)
Absorption
done
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B)
Hydration
done
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C)
Adsorption
done
clear
D)
Intermediate compound
done
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View Answer play_arrow
question_answer 73) An ideal solution is obtained by mixing\[C{{H}_{3}}CHB{{r}_{2}}\]and \[C{{H}_{2}}Br-C{{H}_{2}}Br\] in the ratio \[2:1,{{P}^{o}}_{C{{H}_{3}}CHBr}=173,\,{{P}^{o}}_{C{{H}_{2}}BrC{{H}_{2}}Br}=127\]
A)
\[158\]
done
clear
B)
\[257\]
done
clear
C)
\[137\]
done
clear
D)
\[197\]
done
clear
View Answer play_arrow
question_answer 74) For the reaction,\[{{N}_{2}}+3{{H}_{2}}\rightleftharpoons 2N{{H}_{3}}+heat\]when temperature increases cone. Of
A)
formation of \[N{{H}_{3}}\]increases
done
clear
B)
formation of \[N{{H}_{3}}\] decreases
done
clear
C)
concentration of \[{{N}_{2}}\] decreases
done
clear
D)
concentration of \[{{H}_{2}}\] decreases
done
clear
View Answer play_arrow
question_answer 75) Carbon-oxygen bond length of \[C{{H}_{2}}O(I);\]\[C{{H}_{2}}\text{O(II)}\]and \[C{{H}_{3}}OH(III)\]is in the order
A)
\[I>II>III\]
done
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B)
\[II>I>III\]
done
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C)
\[III>II>I\]
done
clear
D)
\[III>I>II\]
done
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View Answer play_arrow
question_answer 76)
In the table Proton Electron Charge 23 X +3 46 43 Y
X and y are
A)
\[20,-3\]
done
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B)
\[20,+3\]
done
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C)
\[26,-3\]
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 77) Which of the following is true for polypropylene?
A)
Propylene, condensation polymer
done
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B)
Propylene, addition polymer
done
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C)
Propylene, ammonic polymers
done
clear
D)
Propylene, cationic ammonic polymerase
done
clear
View Answer play_arrow
question_answer 78) The total number of orbital up to \[n=4\] are
A)
\[2\]
done
clear
B)
\[16\]
done
clear
C)
\[32\]
done
clear
D)
\[30\]
done
clear
View Answer play_arrow
question_answer 79) Coordination number of a body centred cubic is
A)
\[6\]
done
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B)
\[8\]
done
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C)
\[10\]
done
clear
D)
\[12\]
done
clear
View Answer play_arrow
question_answer 80) x mole of \[BaC{{O}_{3}}\]are soluble in 1 L then x is related to its solubility product by the expression
A)
\[x={{K}_{sp}}\]
done
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B)
\[{{x}^{2}}=\sqrt{{{K}_{sp}}}\]
done
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C)
\[x=\sqrt{{{K}_{sp}}}\]
done
clear
D)
\[x=\frac{{{K}_{sp}}}{2}\]
done
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View Answer play_arrow
question_answer 81) Which of the following do not have \[s{{p}^{2}}\]hybridised carbon?
A)
\[HCHO\]
done
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B)
\[C{{H}_{3}}OH\]
done
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C)
\[HCOOH\]
done
clear
D)
\[C{{H}_{3}}COC{{H}_{3}}\]
done
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View Answer play_arrow
question_answer 82) Isopigknic solution are those which have
A)
same vapour pressure
done
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B)
same concentration
done
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C)
same density
done
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D)
same osmotic pressure
done
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View Answer play_arrow
question_answer 83) Which of the following is a superoxide?
A)
\[N{{a}_{2}}{{O}_{2}}\]
done
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B)
\[K{{O}_{2}}\]
done
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C)
\[{{K}_{2}}O\]
done
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D)
\[{{C}_{3}}{{O}_{2}}\]
done
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View Answer play_arrow
question_answer 84) The total number of isomers in \[{{C}_{6}}{{H}_{3}}C{{l}_{3}}\]
A)
two
done
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B)
three
done
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C)
four
done
clear
D)
five
done
clear
View Answer play_arrow
question_answer 85) In the reaction of \[NaH\] with water which of the following is present?
A)
\[Na{{O}^{-}}\]
done
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B)
\[O{{H}^{-}}\]
done
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C)
\[{{H}^{+}}\]
done
clear
D)
\[N{{a}^{-}}\]
done
clear
View Answer play_arrow
question_answer 86) NaH contains how many covalent bonds?
A)
Zero
done
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B)
Two
done
clear
C)
One
done
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D)
Three
done
clear
View Answer play_arrow
question_answer 87) \[{{S}_{g}}\] and \[{{S}_{x}}\] are
A)
isotopes
done
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B)
isotones
done
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C)
allotropes
done
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D)
isobars
done
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View Answer play_arrow
question_answer 88) The total number of lone pair of \[Cl{{F}_{3}}\] are
A)
\[2\]
done
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B)
\[9\]
done
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C)
\[11\]
done
clear
D)
\[15\]
done
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View Answer play_arrow
question_answer 89) For the reaction between \[KMn{{O}_{4}}\]and\[~{{H}_{2}}{{O}_{2}}\] the number of electrons transferred per mol of \[~{{H}_{2}}{{O}_{2}}\] are
A)
one
done
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B)
two
done
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C)
three
done
clear
D)
four
done
clear
View Answer play_arrow
question_answer 90) What will be the resultant pH when \[200Ml\]of an aqueous solution of \[HCl\]\[(pH=12)\] is mixed with 300 mL of an aqueous solution of\[NaOH\] \[(pH=12)\]?
A)
\[10\]
done
clear
B)
\[11\]
done
clear
C)
\[12\]
done
clear
D)
\[14\]
done
clear
View Answer play_arrow
question_answer 91) Term Ecosystem development to ecological succession was given by
A)
Odum
done
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B)
Clements
done
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C)
R. Mishra
done
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D)
Blackmans
done
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View Answer play_arrow
question_answer 92) Root cap is absent in
A)
xerophytes
done
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B)
mesophytes
done
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C)
hydrophytes
done
clear
D)
halophytes
done
clear
View Answer play_arrow
question_answer 93) Van Mahotsav was started by
A)
K. M. Munshi
done
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B)
Sunder Lal Bahuguna
done
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C)
Binova Bhave
done
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D)
J. L. Nehru
done
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View Answer play_arrow
question_answer 94) Zoochlorellae is an example of
A)
mutualism
done
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B)
protocooperation
done
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C)
parasitism
done
clear
D)
predadon
done
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View Answer play_arrow
question_answer 95) Pollution caused by persistent pesticides is relatively more hazardous to which type of organisms?
A)
Herbivores
done
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B)
First level carnivores
done
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C)
Producers
done
clear
D)
Top carnivores
done
clear
View Answer play_arrow
question_answer 96) First man made cereal (i.e., Triticale) is
A)
octaploid
done
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B)
hexaploid
done
clear
C)
both (a) and (b)
done
clear
D)
diploid
done
clear
View Answer play_arrow
question_answer 97) First hormone produced artificially by culturing bacteria is
A)
insulin
done
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B)
thyroxine
done
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C)
testosterone
done
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D)
adrenaline
done
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View Answer play_arrow
question_answer 98) The dried fruit used for making musical instruments is
A)
snake gourd
done
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B)
bitter gourd
done
clear
C)
bottle gourd
done
clear
D)
all of these
done
clear
View Answer play_arrow
question_answer 99) Inflorescence axis is called
A)
rachis
done
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B)
pedicel
done
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C)
petiole
done
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D)
peduncle
done
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View Answer play_arrow
question_answer 100) Triploid tissue in angiosperms is
A)
nucellus
done
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B)
endosperm
done
clear
C)
endothelium
done
clear
D)
tapetum
done
clear
View Answer play_arrow
question_answer 101) Ramenta are characteristic of
A)
Marchantia
done
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B)
Funaria
done
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C)
Dryopteris
done
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D)
None of these
done
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View Answer play_arrow
question_answer 102) Single seeded winged fruit is called
A)
achene
done
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B)
cypsela
done
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C)
samara
done
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D)
caryopsis
done
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View Answer play_arrow
question_answer 103) Gynobasic style is characteristic feature of
A)
Malvaceae
done
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B)
Lamiaceae
done
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C)
Ranunculaceae
done
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D)
Brassicaceae
done
clear
View Answer play_arrow
question_answer 104) Source of kelp is
A)
green algae
done
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B)
blue-green algae
done
clear
C)
brown algae
done
clear
D)
red algae
done
clear
View Answer play_arrow
question_answer 105) Which is not present in moss sporophyte?
A)
Elaters
done
clear
B)
Foot
done
clear
C)
Seta
done
clear
D)
Columella
done
clear
View Answer play_arrow
question_answer 106) Tapetal cells are characterized by
A)
mitotic division
done
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B)
meiotic division
done
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C)
endomitosis
done
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D)
endomitosis as well as endopolyploidy
done
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View Answer play_arrow
question_answer 107) Saffron is obtained from
A)
flowers of Crocus
done
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B)
styles and stigma of Crocus
done
clear
C)
flowers of Carthamus
done
clear
D)
seeds of Carthamus
done
clear
View Answer play_arrow
question_answer 108) Best material for demonstrating streaming movements of protoplasm within living cells is
A)
onion peelings
done
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B)
staminal hair of Tradescantia
done
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C)
sensitive plant
done
clear
D)
pith cells
done
clear
View Answer play_arrow
question_answer 109) Nutation is shown by
A)
root
done
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B)
stem
done
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C)
tendril
done
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D)
none of these
done
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View Answer play_arrow
question_answer 110) Short day plant is
A)
Xanthium
done
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B)
Pisum
done
clear
C)
Cucumis
done
clear
D)
Avena
done
clear
View Answer play_arrow
question_answer 111) A hormone delaying senescence is
A)
auxin
done
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B)
cytoldnin
done
clear
C)
ethylene
done
clear
D)
gibberellins
done
clear
View Answer play_arrow
question_answer 112) Anemophily type of pollination is found in
A)
Salvia
done
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B)
bottle brush
done
clear
C)
Vallisneria
done
clear
D)
coconut
done
clear
View Answer play_arrow
question_answer 113) The outermost layer of maize endosperm is known as
A)
perisperm
done
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B)
aleurone
done
clear
C)
tapetum
done
clear
D)
endothelium
done
clear
View Answer play_arrow
question_answer 114) The net gain of ATP molecules in glycolysis is
A)
8
done
clear
B)
2
done
clear
C)
4
done
clear
D)
0
done
clear
View Answer play_arrow
question_answer 115) Maximum number ofATP is obtained from
A)
glucose
done
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B)
palmitic acid
done
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C)
malic acid
done
clear
D)
P-amino acid
done
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View Answer play_arrow
question_answer 116) Which of the following cell do no fYespire?
A)
Epidermal cell
done
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B)
Cork cell
done
clear
C)
RBC
done
clear
D)
Sieve tube cell
done
clear
View Answer play_arrow
question_answer 117) PS-I and PS-II were discovered by
A)
Robert Emerson
done
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B)
Blackman
done
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C)
Robert Mayer
done
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D)
Arnon
done
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View Answer play_arrow
question_answer 118) Maximum \[C{{O}_{2}}\] fixation is done by
A)
green plants
done
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B)
phytoplanktons
done
clear
C)
zooplanktons
done
clear
D)
bacteria
done
clear
View Answer play_arrow
question_answer 119) Mycorrhiza is an example of
A)
symbiosis
done
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B)
parasitism
done
clear
C)
saprophytism
done
clear
D)
none of these
done
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View Answer play_arrow
question_answer 120) Stomata can also open at night, present in
A)
xerophytes
done
clear
B)
gametophytes
done
clear
C)
hydrophytes
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 121) Which of the following is a macronutrient?
A)
Mo
done
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B)
Ca
done
clear
C)
Zn
done
clear
D)
Mn
done
clear
View Answer play_arrow
question_answer 122) Intercalary meristem results in
A)
secondary growth
done
clear
B)
primary growth
done
clear
C)
apical growth
done
clear
D)
secondary growth
done
clear
View Answer play_arrow
question_answer 123) Bulliform cells found in
A)
seeds of sunflower
done
clear
B)
leaf of wheat
done
clear
C)
pod of pea
done
clear
D)
tuber of potato
done
clear
View Answer play_arrow
question_answer 124) Complementary cells are associated with
A)
lenticels
done
clear
B)
hydathodes
done
clear
C)
rhytidome
done
clear
D)
bark
done
clear
View Answer play_arrow
question_answer 125) Jaculators are present in
A)
ruellia
done
clear
B)
ecballium
done
clear
C)
impatiens
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 126) Which is soluble RNA?
A)
HnRNA
done
clear
B)
rRNA
done
clear
C)
mRNA
done
clear
D)
tRNA
done
clear
View Answer play_arrow
question_answer 127) Export firm of the body is
A)
Golgi bodies
done
clear
B)
ER
done
clear
C)
Nucleus
done
clear
D)
Mitochondria
done
clear
View Answer play_arrow
question_answer 128) Characteristic of meiosis is
A)
two nuclear and two chromosome divisions
done
clear
B)
two nuclear and one chromosome division
done
clear
C)
one nuclear and two chromosome division
done
clear
D)
one nuclear and one chromosome division
done
clear
View Answer play_arrow
question_answer 129) Colchicine arrests which of the following stage of cell division?
A)
Prophase
done
clear
B)
Anaphase
done
clear
C)
Telophase
done
clear
D)
Metaphase
done
clear
View Answer play_arrow
question_answer 130) The endosperm in gymnosperms is
A)
haploid
done
clear
B)
diploid
done
clear
C)
triploid
done
clear
D)
polyploidy
done
clear
View Answer play_arrow
question_answer 131) Transfusion tissue is present in the leaves of
A)
Dryopteris
done
clear
B)
Cycas
done
clear
C)
Pinus
done
clear
D)
Both (b) and (c)
done
clear
View Answer play_arrow
question_answer 132) The 13-celled male gametophyte in Selaginella is
A)
12-cells of antheridium + 1-prothallial cell
done
clear
B)
10-cells of antheridium + 3-prothallial cells
done
clear
C)
9-cells of antheridium + 4-prothallial cells
done
clear
D)
7-cells of antheridium + 6-prothallial cells
done
clear
View Answer play_arrow
question_answer 133) Stomata in Funaria are found in
A)
capsule
done
clear
B)
foot
done
clear
C)
seta
done
clear
D)
no where
done
clear
View Answer play_arrow
question_answer 134) Gibberellin was first discovered from
A)
algae
done
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B)
fungi
done
clear
C)
bacteria
done
clear
D)
roots of higher plants
done
clear
View Answer play_arrow
question_answer 135) Heterocysts are found in
A)
Cyanophyceae
done
clear
B)
Chlorophyceae
done
clear
C)
Pheophyceae
done
clear
D)
Rhodophyceae
done
clear
View Answer play_arrow
question_answer 136) Study of reptiles is known as
A)
Serpentology
done
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B)
Herpetology
done
clear
C)
Icthyology
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 137) Who wrote the book Genetics and origin of species?
A)
A.I. Oparin
done
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B)
Th. Dobzhansky
done
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C)
Joseph Hooker
done
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D)
Charles Darwin
done
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View Answer play_arrow
question_answer 138) The bond present between two carbohydrates molecules is
A)
amide
done
clear
B)
hydrogen
done
clear
C)
glycosidic
done
clear
D)
phosphodiester
done
clear
View Answer play_arrow
question_answer 139) The idea that life originates from pre-existing life is referred as
A)
biogenesis theory
done
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B)
special creation theory
done
clear
C)
abiogenesis theory
done
clear
D)
extraterrestrial theory
done
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View Answer play_arrow
question_answer 140) Interferons were discovered by
A)
Zinder and Lederberg
done
clear
B)
Isaacs and Lindemann
done
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C)
Safferman and Morris
done
clear
D)
Temin
done
clear
View Answer play_arrow
question_answer 141) Wings of birds and butterflies are
A)
homologous organs
done
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B)
analogous organs
done
clear
C)
vestigial organs
done
clear
D)
grafted organs
done
clear
View Answer play_arrow
question_answer 142) Genetic drift operates in
A)
large isolated population
done
clear
B)
small isolated population
done
clear
C)
fast reproductive population
done
clear
D)
slow reproductive population
done
clear
View Answer play_arrow
question_answer 143) The modern man differs from the apes in
A)
protruding eyes
done
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B)
spare body hair
done
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C)
wearing of clothes
done
clear
D)
arms shorter than legs
done
clear
View Answer play_arrow
question_answer 144) An animal without anus is
A)
Unio
done
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B)
Pheretima
done
clear
C)
Fasciola
done
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D)
Periplaneta
done
clear
View Answer play_arrow
question_answer 145) Identify a deuterostome
A)
Leucosolenia
done
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B)
Dentalium
done
clear
C)
Dugesia
done
clear
D)
Ophiothrix
done
clear
View Answer play_arrow
question_answer 146) Arms are absent in
A)
sea urchin
done
clear
B)
sea cucumber
done
clear
C)
both (a) and (b)
done
clear
D)
none of the above
done
clear
View Answer play_arrow
question_answer 147) Isinglass, a type of byproduct of fish industry, is principally used for
A)
production of insulin
done
clear
B)
feeding cattle, pig and poultry
done
clear
C)
preparation of paints and varnishes
done
clear
D)
clarification vinegar, wines and beer
done
clear
View Answer play_arrow
question_answer 148) Which of the following is an egg-laying mammal?
A)
Whale
done
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B)
Penguin
done
clear
C)
Platypus
done
clear
D)
Kangaroo
done
clear
View Answer play_arrow
question_answer 149) Barr body of a mammal represents
A)
all heterochromatin in female cells
done
clear
B)
all heterochromatin in male and female cells
done
clear
C)
the Y-chromosome in the somatic cells of male
done
clear
D)
one of the two X-chromosomes in somatic cells of female
done
clear
View Answer play_arrow
question_answer 150) A plasmid
A)
cannot replicate
done
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B)
can replicate independently
done
clear
C)
shows independent assortment
done
clear
D)
lies together with chromosomes
done
clear
View Answer play_arrow
question_answer 151) Which of the following acts as middle man of the body?
A)
Plasma
done
clear
B)
Lymph
done
clear
C)
WBC
done
clear
D)
RBC
done
clear
View Answer play_arrow
question_answer 152) Example of embryonic connective tissue is
A)
Wolmans jelly
done
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B)
Whartons jelly
done
clear
C)
Wrights jelly
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 153) The rupture of urinary bladder is prevented by
A)
pseudo stratified epithelium
done
clear
B)
stratified columnar epithelium
done
clear
C)
stratified cuboidal epithelium
done
clear
D)
transitional epithelium
done
clear
View Answer play_arrow
question_answer 154) Which one of the following is present in the integument of frog, but not in mammals?
A)
Dermis
done
clear
B)
Mucous gland
done
clear
C)
Sweat glands
done
clear
D)
Stratum germinativum
done
clear
View Answer play_arrow
question_answer 155) A sesamoid bone is
A)
palatins
done
clear
B)
pterygoid
done
clear
C)
patella
done
clear
D)
presphenoid
done
clear
View Answer play_arrow
question_answer 156) An acromian process is characteristically found in
A)
skull of frog
done
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B)
sperm of mammals
done
clear
C)
pelvic girdle of mammals
done
clear
D)
pectoral girdle of mammals
done
clear
View Answer play_arrow
question_answer 157) Diastema is associated with
A)
organ of Corti
done
clear
B)
retinal cells
done
clear
C)
presence of certain teeth
done
clear
D)
absence of certain teeth
done
clear
View Answer play_arrow
question_answer 158) Which amino acid is denoted by symbol F?
A)
Phenylalanine
done
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B)
Proline
done
clear
C)
Tryptophan
done
clear
D)
Methionine
done
clear
View Answer play_arrow
question_answer 159) Medium in which pepsin is active?
A)
Neutral
done
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B)
Alkaline
done
clear
C)
Acidic
done
clear
D)
Isotonic
done
clear
View Answer play_arrow
question_answer 160) Vitamin-D is produced in human body by
A)
skin
done
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B)
nerves
done
clear
C)
muscles
done
clear
D)
none of these
done
clear
View Answer play_arrow
question_answer 161) Booklungs are respiratory organs in
A)
scorpion
done
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B)
prawn
done
clear
C)
snail
done
clear
D)
cockroach
done
clear
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question_answer 162) Lungs have a large number of narrow tubes called
A)
alveoli
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B)
bronchi
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C)
bronchioles
done
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D)
tracheae
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question_answer 163) Pylangium in frog is found in
A)
conus arteriosus
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B)
sinus venosus
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C)
atrium
done
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D)
ventricle
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question_answer 164) Papillary muscles are located in
A)
heart ventricles of rabbit
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B)
dermis of mammalian skin
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C)
orbits of vertebrate eyes
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D)
pylorus of vertebrate stomach
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question_answer 165) A heart murmur indicates a defective
A)
bundle of His
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B)
heart valves
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C)
sinoatrial node
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D)
atrio-ventricular node
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question_answer 166) A nephron does not have loop of HenIe in
A)
frog
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B)
man
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C)
rabbit
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D)
dog
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question_answer 167) Haemodialysis is associated with
A)
liver
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B)
spleen
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C)
kidney
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D)
stomach
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question_answer 168) Average pH of human urine is
A)
6.0
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B)
9.0
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C)
3.0
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D)
7.0
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question_answer 169) Node of Ranvier is found in
A)
muscle bundles
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B)
dendrite
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C)
Right auricle
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D)
axon
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question_answer 170) Which of the following cranial nerve is present in rabbit but absent in frog?
A)
Glossopharyngeal
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B)
Hypoglossal
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C)
Olfactory
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D)
Optic
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question_answer 171) Pecten, a comb-like structure is found in the eye of
A)
fishes
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B)
frogs
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C)
birds
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D)
mammals
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question_answer 172) Bony labyrinth contains a fluid called
A)
perilymph
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B)
endolymph
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C)
haemolymph
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D)
lymph
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question_answer 173) Columella auris is found in
A)
rabbit
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B)
frog
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C)
man
done
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D)
all of these
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question_answer 174) Static equilibrium is maintained by
A)
utriculus
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B)
sacculus
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C)
both (a) and (b)
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D)
semicircular canals
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question_answer 175) Which hormone produces calorigenic effect?
A)
Thyroxine
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B)
FSH
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C)
Insulin
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D)
All of these
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question_answer 176) Treatment with alloxan destroys
A)
STH cells
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B)
alpha cells of islets of Langerhans
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C)
beta cells of islets of Langerhans
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D)
cells of Leydig
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question_answer 177) Hassalls corpuscles are found in
A)
thymus gland
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B)
adrenal gland
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C)
spleen
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D)
parathyroid gland
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question_answer 178) Bartholins glands of female correspond to which glands in male?
A)
Cowpers glands
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B)
Inguinal glands
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C)
Rectal glands
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D)
Prostate glands
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question_answer 179) Corpus spongiosum is found in
A)
ovary
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B)
penis
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C)
testis
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D)
uterine wall
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question_answer 180) Cytoplasm of ovum does not contain
A)
Golgi complex
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B)
centrosomes
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C)
mitochondria
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D)
ribosomes
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