question_answer 1) A tuning fork produce 2 beats when sounded with one oscillator of frequency 514 Hz, and produces 6 beats with the other oscillator of frequency 510 Hz. The frequency of tuning fork is
A)
516 Hz
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B)
510 Hz
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C)
514 Hz
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D)
520 Hz
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question_answer 2) Wavelength of the particle whose momentum is P
A)
\[\frac{h}{p}\]
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B)
\[hp\]
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C)
\[\frac{p}{h}\]
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D)
\[p+h\]
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question_answer 3) Colour of a star indicates its
A)
density
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B)
distance
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C)
energy
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D)
temperature
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question_answer 4) Which of the following has same dimensions to that of Plancks constant?
A)
Work
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B)
Energy
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C)
Linear momentum
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D)
Angular momentum
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question_answer 5) Temperature of a piece of silicon is raised from\[27{}^\circ C\]to\[100{}^\circ C,\]then its conductivity
A)
increases
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B)
decreases
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C)
remains same
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D)
becomes zero
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question_answer 6) If a liquid does not wet a solid surface, then its angle of contact is
A)
acute angle
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B)
obtuse angle
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C)
right angle
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D)
None of these
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question_answer 7) Three capacitors of 3, 2 and\[6\mu F\]are connected in series with a battery of 10 V. Then charge on\[3\mu F\]capacitor will be
A)
\[10\mu C\]
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B)
\[12\mu C\]
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C)
\[14\mu C\]
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D)
\[5\mu C\]
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question_answer 8) To hear the echo in 1 s, the minimum distance of the source from the reflecting surface should be
A)
28m
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B)
18m
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C)
19m
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D)
165m
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question_answer 9) If length of a simple pendulum increases by 300%, then its time period increases by
A)
100%
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B)
200%
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C)
300%
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D)
400%
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question_answer 10) Half-life of radium is 1600 yr, then its 1/16th part will remain undecayed after
A)
1200 yr
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B)
6400 yr
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C)
1800 yr
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D)
2200 yr
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question_answer 11) When a light beam enters into water from air, then which of the following does not change?
A)
Velocity
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B)
Frequency
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C)
Wavelength
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D)
Amplitude
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question_answer 12) Sound waves produced in gas are
A)
longitudinal
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B)
transversal
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C)
stationary
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D)
progressive
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question_answer 13) When a force F is applied on a wire of length L and radius r, extension produce is\[l\]. If same force F is applied on the same material wire of length 2 L and radius 2r, then extension will be
A)
\[l\]
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B)
\[2l\]
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C)
\[l/2\]
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D)
\[4l\]
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question_answer 14)
Equivalent capacity between A and B is
A)
\[2\mu F\]
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B)
\[3\mu F\]
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C)
\[4\mu F\]
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D)
\[0.5\mu F\]
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question_answer 15) Angular velocity of second hand of a clock is
A)
\[\frac{\pi }{30}rad/s\]
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B)
\[\frac{\pi }{60}rad/s\]
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C)
\[\frac{\pi }{15}rad/s\]
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D)
\[\frac{\pi }{2}rad/s\]
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question_answer 16) n-type semiconductor is
A)
positive charged
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B)
neutral
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C)
negatively charged
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D)
None of the above
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question_answer 17) Intensity of a source of a 100 cd at a distance 2 m is
A)
25 lux
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B)
50 lux
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C)
75 lux
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D)
150 lux
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question_answer 18) Atomic number of an atom is Z and mass number is m, then number of neutrons in its nucleus is
A)
\[m-Z\]
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B)
\[\frac{m}{Z}\]
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C)
\[m+Z\]
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D)
\[m\times Z\]
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question_answer 19) Power factor of L-CR circuit in resonation condition is
A)
1
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B)
\[\frac{1}{2}\]
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C)
zero
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D)
\[\frac{1}{\sqrt{2}}\]
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question_answer 20) If tension of sonometer wire is made four times, then its frequency will change by a factor of
A)
2
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B)
4
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C)
1/2
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D)
6
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question_answer 21) Which of the following has maximum specific heat?
A)
Water
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B)
Alcohol
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C)
Glycerene
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D)
Oil
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question_answer 22) Momentum of a body of mass 1 kg is 10 kg-m/s, then its kinetic energy will be
A)
100 J
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B)
50 J
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C)
1000 J
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D)
200 J
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question_answer 23) Nucleus of an atom has
A)
\[e\]and\[n\]
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B)
\[e\]and\[p\]
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C)
\[p\]and\[n\]
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D)
\[e,p\]and\[n\]
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question_answer 24) Which of the following is scalar quantity?
A)
Current
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B)
Velocity
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C)
Force
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D)
Acceleration
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question_answer 25) Equation of a progressive sound wave is\[y=a\sin \left( 400\pi t-\frac{\pi x}{0.85} \right)\]where\[x\]in (metre)\[t\] (second), then frequency of wave is
A)
200 Hz
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B)
400 Hz
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C)
500 Hz
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D)
600 Hz
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question_answer 26) Wavelength of the wave in the above question is
A)
1.7m
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B)
8.5m
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C)
0.85m
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D)
0.17m
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question_answer 27) A wheel completes 2000 turns in completing a distance of 9.5 km, then diameter of the wheel is
A)
1.5m
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B)
1.5cm
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C)
7.5m
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D)
7.5cm
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question_answer 28) In nth orbit of hydrogen atom energy \[E=\frac{-13.6}{{{n}^{2}}}eV,\]then energy required to displace electrons from\[n=1\]to\[n=2\]is
A)
\[-10.2\text{ }eV\]
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B)
3.4 eV
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C)
\[-13.6\text{ }eV\]
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D)
1.51 eV
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question_answer 29) Relation of wavelengths of sound and light is
A)
\[{{\lambda }_{S}}<{{\lambda }_{L}}\]
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B)
\[{{\lambda }_{S}}>{{\lambda }_{L}}\]
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C)
\[{{\lambda }_{S}}={{\lambda }_{L}}\]
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D)
None of these
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question_answer 30) In Youngs experiment, if separation between slits is made half, then fringe width will become
A)
double
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B)
four times
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C)
half
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D)
remains same
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question_answer 31) Resolving power of human eye is
A)
\[0.1\,\,\]
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B)
\[1\,\]
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C)
\[0.1\]
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D)
\[1\]
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question_answer 32) Dancing of small pieces of camphor on the surface of water is due to
A)
viscosity
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B)
surface tension
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C)
weight
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D)
lifting force
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question_answer 33) Relation between specific heats of an ideal gas
A)
\[{{C}_{P}}+{{C}_{V}}=R\]
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B)
\[{{C}_{P}}-{{C}_{V}}=R\]
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C)
\[\frac{{{C}_{P}}}{{{C}_{V}}}=R\]
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D)
\[\frac{{{C}_{V}}}{{{C}_{P}}}=R\]
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question_answer 34) Who gave the kinetic molecular theory of gas?
A)
Device
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B)
Einstein
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C)
Newton
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D)
Bernoulli
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question_answer 35) Potential energy of a particle at a distance\[x\]from mean position, which is executing simple hormonic motion
A)
\[\frac{1}{2}m{{\omega }^{2}}{{x}^{2}}\]
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B)
zero
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C)
\[{{m}^{2}}\omega x\]
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D)
\[\frac{1}{2}{{m}^{2}}{{\omega }^{2}}{{x}^{2}}\]
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question_answer 36) If distance between light source and screen is doubled, then intensity of light will become
A)
half
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B)
double
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C)
remains same
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D)
1/4th
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question_answer 37) The colour of a red doth in green light appears
A)
red
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B)
green
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C)
orange
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D)
black
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question_answer 38) An inductor and a capacitor are connected in an AC circuit inductance and capacitance are 1 H and\[25\mu F,\]then for maximum current, angular frequency will be (circuit is connected in series)
A)
200 rad/s
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B)
50 rad/s
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C)
100 rad/s
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D)
150 rad/s
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question_answer 39) A satellite of mass m, revolving round a planet of mass Min a circular orbit of radius r, then orbital velocity of the satellite is
A)
\[\frac{mg}{r}\]
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B)
\[\sqrt{\frac{GM}{r}}\]
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C)
\[\sqrt{\frac{2GM}{r}}\]
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D)
\[\frac{GM}{r}\]
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question_answer 40) Energy stored in the unit volume of a wire due to its elasticity is
A)
\[\frac{1}{2}(force\times strain)\]
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B)
\[\frac{1}{2}stress\times strain\]
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C)
stress/strain
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D)
force/strain
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question_answer 41) Value of\[-40{}^\circ C\]in Fahrenheit scale is
A)
\[-40F\]
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B)
32 F
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C)
\[-32\text{ }F\]
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D)
\[40{}^\circ C\]
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question_answer 42) Spectrum of a star is shifting towards violet colour, then the star
A)
is going away from earth
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B)
is coming towards earth
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C)
intensity of light of star is increasing
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D)
intensity of light of star is decreasing
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question_answer 43) The amount of heat required to change 1 g \[(0{}^\circ C)\]of ice into water of\[100{}^\circ C,\]is
A)
716 cal
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B)
500 cal
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C)
180 cal
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D)
100 cal
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question_answer 44) Susceptibility of a magnetic field is
A)
\[\chi =\frac{l}{H}\]
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B)
\[\chi =\frac{B}{H}\]
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C)
\[\chi =\frac{M}{V}\]
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D)
\[\chi =\frac{M}{H}\]
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question_answer 45) Sphere, disc and ring are allowed to roll down on an inclined plane from its top, then order in which they reach at the bottom will be
A)
ring, disc, sphere
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B)
sphere, disc, ring
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C)
disc, ring, sphere
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D)
sphere, ring, disc
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question_answer 46) If dopping in the P region is high, then N region
A)
depletion layer will. more towards P
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B)
depletion layer will more towards N
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C)
depletion layer will remain unchanged
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D)
None of the above
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question_answer 47) Work of invertor is
A)
to change AC into DC
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B)
to change DC into AC
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C)
to regulate voltage
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D)
None of the above
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question_answer 48) Dimensions of torque is
A)
\[[{{M}^{1}}{{L}^{2}}{{T}^{-2}}]\]
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B)
\[[{{M}^{2}}{{L}^{2}}{{T}^{2}}]\]
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C)
\[[{{M}^{-1}}L{{T}^{-1}}]\]
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D)
\[[{{M}^{-2}}{{L}^{-2}}{{T}^{-2}}]\]
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question_answer 49) For a triode valve\[\mu =50,\Delta {{V}_{g}}=0.2V,\]then value of\[\Delta {{V}_{p}}\]is
A)
5V
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B)
10V
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C)
0.2V
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D)
50V
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question_answer 50) Which of the following has maximum property of elasticity?
A)
Rubber
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B)
Lead
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C)
Wood
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D)
Steel
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question_answer 51) If we made half the radius of earth, then duration of day will become
A)
6 h
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B)
12 h
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C)
24 h
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D)
3 h
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question_answer 52) A stone is dropped in 19.6 m depth well, echo is heard in 2.06 s, then velocity of sound is
A)
315.2 m/s
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B)
320.5 m/s
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C)
326.7 m/s
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D)
332.4 m/s
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question_answer 53) An electron is moving with velocity v in the direction of magnetic field B, then force acting on electron is
A)
zero
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B)
\[e(v\times B)\]
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C)
\[e(B\times v)\]
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D)
200 J
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question_answer 54) If temperature of an object is\[140{}^\circ F,\]then its temperature in centrigrade is
A)
\[105{}^\circ C\]
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B)
\[32{}^\circ C\]
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C)
\[140{}^\circ C\]
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D)
\[60{}^\circ C\]
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question_answer 55) Focal length of a lens is + 10 cm and its refractive index is 1.4, it is dipped in a liquid of refractive index 1.6, then its focal length becomes
A)
\[-16\text{ }cm\]
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B)
\[+32\text{ }cm\]
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C)
\[+16\text{ }cm\]
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D)
\[-32cm\]
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question_answer 56) Ten wires each of resistance\[1\,\Omega \] are connected in parallel, then total resistance will be
A)
\[10\,\,\Omega \]
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B)
\[1\,\,\Omega \]
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C)
\[0.1\,\,\Omega \]
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D)
\[0.001\,\,\Omega \]
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question_answer 57) If focal length of convex lens is 9 cm and that of a concave lens is\[-18\text{ }cm,\]then focal length of combination is
A)
\[+9\text{ }cm\]
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B)
\[-18\text{ }cm\]
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C)
\[-9cm\]
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D)
\[+18cm\]
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question_answer 58) Two mirror are put at an angle of\[60{}^\circ C,\]then number of image of an object placed between the mirrors is
A)
3
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B)
4
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C)
5
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D)
6
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question_answer 59) An observer is coming towards plane mirror with a speed of 6 m/s, then apparent velocity of his image is
A)
6 m/s
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B)
4 m/s
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C)
12 m/s
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D)
3 m/s
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question_answer 60) Speed of light in vacuum is
A)
\[\frac{1}{\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}}\]
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B)
\[\sqrt{\frac{{{\mu }_{0}}}{{{\varepsilon }_{0}}}}\]
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C)
\[\sqrt{{{\mu }_{0}}{{\varepsilon }_{0}}}\]
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D)
\[\sqrt{\frac{{{\varepsilon }_{0}}}{{{\mu }_{0}}}}\]
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question_answer 61) Fermentation is
A)
reversible
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B)
exothermic
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C)
endothermic
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D)
None of these
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question_answer 62) The ionisation percentage of\[0.2\text{ }M\text{ }HCN\]the solution is 0.02%. What will be the value of ionisation constant?
A)
\[8\times {{10}^{-5}}\]
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B)
\[8\times {{10}^{-9}}\]
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C)
\[8\times {{10}^{-7}}\]
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D)
\[8\times {{10}^{-3}}\]
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question_answer 63) Which one act as Bronsted acid as well as Bronsted base?
A)
\[C{{l}^{-}}\]
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B)
\[O{{H}^{-}}\]
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C)
\[HCl\]
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D)
\[{{H}_{2}}O\]
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question_answer 64) If the pH of\[HCl\]soltion is 2 then the molar concentration of this will be
A)
0.01 M
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B)
2 M
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C)
0.4 M
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D)
0.02 M
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question_answer 65) \[B{{F}_{3}}\]molecule is
A)
Lewis base
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B)
Lewis acid
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C)
Neutral
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D)
None of these
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question_answer 66) Which salt is insoluble in water?
A)
\[N{{H}_{4}}Cl\]
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B)
\[KCl\]
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C)
\[N{{a}_{2}}S{{O}_{4}}\]
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D)
\[NaCl\]
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question_answer 67) Which compound forms urotropine when reacts with\[N{{H}_{3}}\]?
A)
\[HCHO\]
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B)
\[C{{H}_{3}}CHO\]
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C)
\[C{{H}_{3}}COC{{H}_{3}}\]
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D)
\[{{C}_{6}}{{H}_{5}}OH\]
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question_answer 68) The compound formed by the ozonolysis of acetylene
A)
glycol
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B)
acetic acid
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C)
ethylene ozonide
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D)
glyoxal
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question_answer 69) Number of electron in one molecule of\[N{{H}_{3}}\]
A)
17
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B)
34
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C)
7
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D)
10
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question_answer 70) The value of magnetic quantum number for\[l=3\]
A)
\[0,+1,+2,+3\]
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B)
\[0,\pm 1,\pm 2,\pm 3\]
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C)
\[-1,-2,-3\]
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D)
\[\pm 1,\pm 2,\pm 3\]
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question_answer 71) In the presence of ether, 2-choloropropane reacts with sodium and forms
A)
n-hexane
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B)
2,3-dimethyl butane
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C)
n-hexene
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D)
\[C{{H}_{3}}CH=C{{H}_{2}}\]
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question_answer 72) The geometry of ammonia is
A)
tetrahedral
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B)
pyramidal
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C)
triangular
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D)
trigonal bipyramidal
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question_answer 73) Which one is colourless?
A)
\[C{{o}^{2+}}\]
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B)
\[N{{i}^{2+}}\]
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C)
\[F{{e}^{3+}}\]
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D)
\[C{{u}^{+}}\]
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question_answer 74) Which one have the highest melting point?
A)
\[CsCl\]
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B)
\[N{{H}_{3}}\]
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C)
\[He\]
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D)
\[CHC{{l}_{3}}\]
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question_answer 75) Which one will not show Cannizzaro reaction?
A)
Trimethyl acetaldehyde
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B)
Formaldehyde
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C)
Acetaldehyde
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D)
Benzaldehyde
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question_answer 76) When 23 g sodium metal reacts with methyl alcohol, it will form
A)
1 moles of \[{{H}_{2}}\]
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B)
2 mole of \[{{H}_{2}}\]
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C)
\[\frac{1}{2}\]mole of \[{{H}_{2}}\]
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D)
All of the above
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question_answer 77) Which inorganic compound on heating changes into organic compound?
A)
Ammonium cyanide
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B)
Sodalime
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C)
Potassium cyanide
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D)
Sodamide
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question_answer 78) Which of the following compound will not show aldol condensation?
A)
\[C{{H}_{3}}COC{{H}_{3}}\]
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B)
\[HCHO\]
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C)
\[C{{H}_{3}}CHO\]
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D)
\[C{{H}_{3}}C{{H}_{2}}CHO\]
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question_answer 79) In first transition series, which element show maximum oxidation states
A)
\[Co\]
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B)
\[Mn\]
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C)
\[Cr\]
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D)
\[Fe\]
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question_answer 80) The bad odour compound formed by the reaction between chloroform and aniline in the presence of alcoholic KOH
A)
acetylene
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B)
nitro benzene
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C)
phenyl isocyanate
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D)
chloromine
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question_answer 81) \[N{{O}_{2}}+\frac{1}{2}{{O}_{2}}N{{O}_{3}}........{{K}_{1}}\] \[2N{{O}_{2}}+{{O}_{2}}2N{{O}_{3}}........{{K}_{2}}\] For the above reaction the relation between equilibrium constant is
A)
\[{{K}_{2}}={{({{K}_{1}})}^{2}}\]
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B)
\[{{K}_{2}}=\frac{1}{{{K}_{1}}}\]
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C)
\[{{K}_{2}}=\frac{1}{K_{1}^{2}}\]
done
clear
D)
\[{{K}_{1}}={{K}_{2}}\]
done
clear
View Answer play_arrow
question_answer 82) The condensation product of reaction between phenol and phthalic anhydride
A)
methyl orange
done
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B)
salicylic acid
done
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C)
phenol red
done
clear
D)
phenolphthalein
done
clear
View Answer play_arrow
question_answer 83) Which characteristic property is not shown by carboxylic acid group?
A)
Alkly group
done
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B)
-COOH group
done
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C)
group
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 84) The product of reaction between chloroform and acetone is used as
A)
insecticide
done
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B)
analgesic
done
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C)
hypnotic
done
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D)
war gas
done
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View Answer play_arrow
question_answer 85) The strongest Bronsted base is
A)
\[HClO_{2}^{-}\]
done
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B)
\[HCl{{O}^{-}}\]
done
clear
C)
\[HClO_{3}^{-}\]
done
clear
D)
\[HCl{{O}_{4}}\]
done
clear
View Answer play_arrow
question_answer 86) The compound which have conjugate double bond
A)
butyne
done
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B)
butylene
done
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C)
isobutylene
done
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D)
butadiene
done
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View Answer play_arrow
question_answer 87) Which salt on heating, does not give brown gas on heating?
A)
\[LiN{{O}_{3}}\]
done
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B)
\[AgN{{O}_{3}}\]
done
clear
C)
\[Pb{{(N{{O}_{3}})}_{2}}\]
done
clear
D)
\[KN{{O}_{3}}\]
done
clear
View Answer play_arrow
question_answer 88) The product formed by the reaction between acetylene and\[HOCl\]
A)
ethylene chloride
done
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B)
vinyl chloride
done
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C)
dichloro acetaldehyde
done
clear
D)
ethyledene chloride
done
clear
View Answer play_arrow
question_answer 89) The characteristic ion of an acid in an aqueous solution is
A)
\[{{H}^{+}}\]
done
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B)
\[H_{2}^{+}\]
done
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C)
\[{{H}_{3}}{{O}^{+}}\]
done
clear
D)
\[{{H}_{4}}{{O}^{+}}\]
done
clear
View Answer play_arrow
question_answer 90) The most paramagnetic is
A)
\[C{{r}^{3+}}\]
done
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B)
\[C{{O}^{2+}}\]
done
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C)
\[M{{n}^{2+}}\]
done
clear
D)
\[F{{e}^{2+}}\]
done
clear
View Answer play_arrow
question_answer 91) The present undesirable matrix in mineral is called as
A)
flux
done
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B)
slag
done
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C)
gangue
done
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D)
alloy
done
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View Answer play_arrow
question_answer 92) The compound with maximum covalent character is
A)
\[AlC{{l}_{3}}\]
done
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B)
\[Al{{I}_{3}}\]
done
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C)
\[Ag{{I}_{2}}\]
done
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D)
\[NaI\]
done
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View Answer play_arrow
question_answer 93) \[N{{F}_{3}}\]and\[B{{F}_{3}}\]both are covalent, but\[B{{F}_{3}}\]is non-polar, while\[N{{F}_{3}}\]is polar because
A)
boron is non-metal in free state, while\[{{N}_{2}}\]is gas
done
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B)
there is no dipole moment in\[B-F\]bond while\[N-F\]bond have some dipole moment
done
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C)
\[B{{F}_{3}}\]is planar while\[N{{F}_{3}}\]is pyramidal
done
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D)
boron atom is smaller than nitrogen atom
done
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View Answer play_arrow
question_answer 94) Many compounds are formed by carbon atom because of its
A)
more reactivity
done
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B)
covalent and ionic nature
done
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C)
variable valency
done
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D)
catenation nature
done
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View Answer play_arrow
question_answer 95) For the complete combustion of 4 L ethane, how much oxygen is required?
A)
14 L
done
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B)
4L
done
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C)
8L
done
clear
D)
12 L
done
clear
View Answer play_arrow
question_answer 96) In a group of Periodic Table what is the basis of
A)
ionic potential
done
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B)
electron affinity
done
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C)
electron negativity
done
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D)
number of covalent electron
done
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View Answer play_arrow
question_answer 97) The work of cone.\[{{H}_{2}}S{{O}_{4}}\]in esterification process is as
A)
dehydrating agent and catalyst
done
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B)
dehydrating agent
done
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C)
hydrolysing agent
done
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D)
catalyst
done
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View Answer play_arrow
question_answer 98) When magnesium is heated, the another compound formed with\[MgO\]is
A)
\[M{{g}_{3}}{{N}_{2}}\]
done
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B)
\[Mg{{(N{{O}_{3}})}_{2}}\]
done
clear
C)
\[MgC{{O}_{3}}\]
done
clear
D)
\[Mg{{(N{{O}_{3}})}_{3}}\]
done
clear
View Answer play_arrow
question_answer 99) The\[C-H\]bond energy in ethane, ethene and ethyne
A)
more in ethane
done
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B)
more in ethane
done
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C)
more in ethyne
done
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D)
same in all these
done
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View Answer play_arrow
question_answer 100) The solubility of\[AgCl\]is 1.435 g/L What will be the solubility product?
A)
\[{{10}^{-4}}\]
done
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B)
0.01
done
clear
C)
0.001
done
clear
D)
0.1
done
clear
View Answer play_arrow
question_answer 101) If two elements X and Y have 3 and 6 electrons in its outermost shell, then the molecular formula of compound formed by the combination of X and Y
A)
\[XY\]
done
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B)
\[{{X}_{3}}Y\]
done
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C)
\[{{X}_{2}}Y\]
done
clear
D)
\[{{X}_{2}}{{Y}_{3}}\]
done
clear
View Answer play_arrow
question_answer 102) The IUPAC name of\[\underset{C{{H}_{2}}.}{\overset{OH}{\mathop{|}}}\,\underset{C{{H}_{2}}.}{\overset{OH}{\mathop{|}}}\,\underset{C{{H}_{2}}.}{\overset{OH}{\mathop{|}}}\,\]is
A)
1,2,3-propane tri-ol
done
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B)
3-hydroxy butanoic acid
done
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C)
1,2-ethane di-ol
done
clear
D)
3-methyl butanol-1
done
clear
View Answer play_arrow
question_answer 103) The number of\[{{H}^{+}}\]ion in half normal solution of\[N{{a}_{2}}C{{O}_{3}}\]and\[C{{H}_{3}}COOH\]
A)
\[>{{10}^{-7}}m\]
done
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B)
\[{{10}^{-7}}m\]
done
clear
C)
\[<{{10}^{-7}}m\]
done
clear
D)
\[{{10}^{-5}}m\]
done
clear
View Answer play_arrow
question_answer 104) Which of the following is not a redox reaction?
A)
\[KCN+Fe{{(CN)}_{2}}\xrightarrow[{}]{{}}{{K}_{4}}[Fe{{(CN)}_{6}}]\]
done
clear
B)
\[Rb+{{H}_{2}}O\xrightarrow[{}]{{}}RbOH+{{H}_{2}}\]
done
clear
C)
\[{{H}_{2}}{{O}_{2}}\xrightarrow[{}]{{}}{{H}_{2}}O+O\]
done
clear
D)
\[Cu{{I}_{2}}\xrightarrow[{}]{{}}CuI+{{I}_{2}}\]
done
clear
View Answer play_arrow
question_answer 105) The correct electronic configuration of element with atomic number 29.
A)
\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{10}},4{{s}^{1}}\]
done
clear
B)
\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{10}}\]
done
clear
C)
\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{17}}\]
done
clear
D)
None of the above
done
clear
View Answer play_arrow
question_answer 106) Which of the following statement is correct for ketone and acetaldehyde?
A)
Both reacts with HCN and forms hydrine
done
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B)
Both reacts with\[NaOH\]and forms polymer
done
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C)
both forms add on oxidation and reduction
done
clear
D)
Both forms alcohol on reduction and oxidation
done
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View Answer play_arrow
question_answer 107) The prefix word alkali for alkaline metals shows
A)
lustre of silver
done
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B)
ashes of plant
done
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C)
metallic nature
done
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D)
active metal
done
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View Answer play_arrow
question_answer 108) \[2X+2Y\xrightarrow[{}]{{}}2Z\] The equilibrium constant for the above reaction
A)
\[\frac{[2X][2Y]}{[2Z]}\]
done
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B)
\[\frac{[X][Y]}{[Z]}\]
done
clear
C)
\[\frac{{{[Z]}^{2}}}{{{[X]}^{2}}{{[Y]}^{2}}}\]
done
clear
D)
\[\frac{{{[Z]}^{2}}}{[X][Y]}\]
done
clear
View Answer play_arrow
question_answer 109) The solubility product for XY is
A)
\[{{s}^{2}}\]
done
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B)
\[2s\]
done
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C)
\[4{{s}^{2}}\]
done
clear
D)
\[2s\]
done
clear
View Answer play_arrow
question_answer 110) Aldehyde and ketone can be differentiated by
A)
sodium bi sulphite
done
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B)
Fehling solution
done
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C)
ammonia
done
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D)
sulphuric acid
done
clear
View Answer play_arrow
question_answer 111) The product of the reaction between chloral and\[NaOH\]is
A)
\[C{{H}_{3}}COOH\]
done
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B)
\[C{{H}_{3}}CHO\]
done
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C)
\[CHC{{l}_{3}}\]
done
clear
D)
\[C{{H}_{3}}Cl\]
done
clear
View Answer play_arrow
question_answer 112) The correct reactivity older is
A)
\[C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]
done
clear
B)
\[{{(C{{H}_{3}})}_{2}}CO>C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}\]
done
clear
C)
\[C{{H}_{3}}CHO>C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>{{(C{{H}_{3}})}_{2}}CO\]
done
clear
D)
\[C{{H}_{3}}CO{{C}_{2}}{{H}_{5}}>C{{H}_{3}}CHO>{{(C{{H}_{3}})}_{2}}CO\]
done
clear
View Answer play_arrow
question_answer 113) The example of condensation polymerization is
A)
formaldehyde - metaformaldehyde
done
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B)
acetaldehyde-para acetaldehyde
done
clear
C)
acetone - mesityl oxide
done
clear
D)
ethene-polyethene
done
clear
View Answer play_arrow
question_answer 114) The probability of finding of three unpaired electron in nitrogen atom is defined by
A)
Aufbaus principle
done
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B)
Uncertainty principle
done
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C)
Faults principle
done
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D)
Hunds rule
done
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View Answer play_arrow
question_answer 115) In a reversible reaction if the concentration of reactants and products are doubled, the value of\[{{K}_{c}}\]will be
A)
half of the initial value
done
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B)
double of initial value
done
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C)
one fourth of the initial value
done
clear
D)
same the initial value
done
clear
View Answer play_arrow
question_answer 116) The main product of heating of sodium formate at 3600C is
A)
CO
done
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B)
sodium oxalate
done
clear
C)
\[N{{a}_{2}}C{{O}_{3}}\]
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 117) The number of a (sigma) and\[\pi \](pi) bonds in 1-buene-3-yne is
A)
\[5\sigma ,5\pi \]
done
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B)
\[8\sigma ,6\pi \]
done
clear
C)
\[7\sigma ,3\pi \]
done
clear
D)
\[6\sigma ,4\pi \]
done
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View Answer play_arrow
question_answer 118) The correct size of iodine atom and iodine ion is
A)
\[{{I}^{-}}>{{I}^{+}}>I\]
done
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B)
\[I>{{I}^{+}}>{{I}^{-}}\]
done
clear
C)
\[I>{{I}^{-}}>{{I}^{+}}\]
done
clear
D)
\[{{I}^{+}}>I>{{I}^{-}}\]
done
clear
View Answer play_arrow
question_answer 119) The geemeticy of the compound of\[s{{p}^{3}}d\] hybridization
A)
pyramidal
done
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B)
triangular
done
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C)
planar
done
clear
D)
trigonal bipyramidal
done
clear
View Answer play_arrow
question_answer 120) Potassium nitrate is called
A)
Motifs salt
done
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B)
Chile salt petre
done
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C)
Indian salt petre
done
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D)
Gypsum
done
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View Answer play_arrow
question_answer 121) Operator genes are controls to which gene mechanism?
A)
Structural gene
done
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B)
Activator gene
done
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C)
Regulator gene
done
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D)
Modulac gene
done
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View Answer play_arrow
question_answer 122) How many ovum are developed in ovary of Hydra?
A)
Two
done
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B)
Many
done
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C)
One
done
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D)
Three
done
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View Answer play_arrow
question_answer 123) Respiration in Ascaris is
A)
aerobic respiration
done
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B)
anaerobic respiration
done
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C)
Both (a) and (b)
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 124) Type of blastula in chick is
A)
discoblastula
done
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B)
coeloblastula
done
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C)
amphiblastula
done
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D)
holbblastula
done
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View Answer play_arrow
question_answer 125) Respiration pigment of blood in cockroach is
A)
haemozoin
done
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B)
haemocyanin
done
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C)
haemoglobin
done
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D)
absent
done
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View Answer play_arrow
question_answer 126) Which organ is enlarged in malarial patient?
A)
Spleen
done
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B)
Kidney
done
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C)
Gall bladder
done
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D)
Liver
done
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View Answer play_arrow
question_answer 127) Golgi body is
A)
organ for protein synthesis
done
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B)
secretory organ
done
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C)
Both (a) and (b)
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 128) DNA is specific because it has
A)
number of nudeotides
done
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B)
specific nature of phosphate and sugar
done
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C)
arrangement of protein in DNA
done
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D)
specific nature of purine and pyrimidines
done
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View Answer play_arrow
question_answer 129) Role of carbohydrate in protoplasm
A)
as catalyst
done
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B)
for energy
done
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C)
as enzymes
done
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D)
for synthesis
done
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View Answer play_arrow
question_answer 130) In Amoeba hyaline cap is formed by
A)
around the food vacuole
done
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B)
around the contractile vacuole
done
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C)
around the nucleus
done
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D)
on pseudopodia
done
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View Answer play_arrow
question_answer 131) Which tissue covered with calcium phosphate?
A)
Bone
done
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B)
Muscles
done
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C)
Mesenchyma
done
clear
D)
Cartilage
done
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View Answer play_arrow
question_answer 132) Lampbrush chromosomes are present in
A)
Drosophilla
done
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B)
Ascaris
done
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C)
Hydra
done
clear
D)
None of these
done
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View Answer play_arrow
question_answer 133) Comb jelly is member of phylum
A)
Mollusca
done
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B)
Echinodermata
done
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C)
Coelenterata
done
clear
D)
Ctenophora
done
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View Answer play_arrow
question_answer 134) Jaws present in which of the following?
A)
Herdmania
done
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B)
Fishes
done
clear
C)
Petromyzon
done
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D)
Amphioxus
done
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View Answer play_arrow
question_answer 135) Which of the following is not insect?
A)
Spider
done
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B)
Grasshopper
done
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C)
Fly
done
clear
D)
Lepisma
done
clear
View Answer play_arrow
question_answer 136) Microlecithal eggs are present in
A)
Insects
done
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B)
Aves
done
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C)
Fishes
done
clear
D)
Mammals
done
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View Answer play_arrow
question_answer 137) Muscular movements of alimentarey canal are known as
A)
peristalsis
done
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B)
diastole
done
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C)
systole
done
clear
D)
muscles contraction
done
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View Answer play_arrow
question_answer 138) From acrosome, which secretes
A)
hyaluronic acid
done
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B)
hyaluronidase
done
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C)
TSH
done
clear
D)
fertilizing
done
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View Answer play_arrow
question_answer 139) When embryonic development is completed in mother but the embryo not accept nutritent from mother, which is known as
A)
ovoviparous
done
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B)
viviparous
done
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C)
oviparous
done
clear
D)
All of these
done
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View Answer play_arrow
question_answer 140) Gastrula is differ from blastula in
A)
three germ layers
done
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B)
micromeres
done
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C)
blastocoel
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 141) Which gland is worked opposite to pressure?
A)
Adrenal
done
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B)
parathyroid
done
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C)
Pineal
done
clear
D)
Thyroid
done
clear
View Answer play_arrow
question_answer 142) First heart sound is produced during closure of
A)
auriculo-ventricular valves
done
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B)
eustachian valve
done
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C)
sinus valve
done
clear
D)
seminular valves
done
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View Answer play_arrow
question_answer 143) In motor neuron the impulse following in which direction?
A)
In two direction
done
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B)
In one direction
done
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C)
In all direction
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 144) Nucleated RBCs are present in which
A)
Rabbit
done
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B)
Camel and llama
done
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C)
Embryo of human
done
clear
D)
Both (a) and (b)
done
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View Answer play_arrow
question_answer 145) Sertoli cells are associated with
A)
kidney of rabbit
done
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B)
ovary of frog
done
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C)
testis of rabbit
done
clear
D)
ovary of rabbit
done
clear
View Answer play_arrow
question_answer 146) Final excretion in urine of which substance is
A)
amino acid
done
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B)
urea
done
clear
C)
glucose and glycogen
done
clear
D)
uric acid
done
clear
View Answer play_arrow
question_answer 147) Haemoglobin in earthworm is present in
A)
RBC
done
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B)
protoplasm
done
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C)
coelomic fluid
done
clear
D)
plasma
done
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View Answer play_arrow
question_answer 148) Gametes formation in animals is found in
A)
ovaries
done
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B)
gonads
done
clear
C)
gall bladder
done
clear
D)
testes
done
clear
View Answer play_arrow
question_answer 149) Fertilization in earthworm is
A)
cross fertilization
done
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B)
combined fertilization
done
clear
C)
self-fertilization
done
clear
D)
All of the above
done
clear
View Answer play_arrow
question_answer 150) Hydra is
A)
herbivorous
done
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B)
more developed
done
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C)
carnivorous
done
clear
D)
omnivorous
done
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View Answer play_arrow
question_answer 151) The pH of protoplasm is
A)
\[6.0\]
done
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B)
\[6.8\]
done
clear
C)
\[7.8\]
done
clear
D)
\[8.2\]
done
clear
View Answer play_arrow
question_answer 152) The maximum elements found in cytoplasm is
A)
\[C\]
done
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B)
\[He\]
done
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C)
\[H\]
done
clear
D)
\[N\]
done
clear
View Answer play_arrow
question_answer 153) The enzymes found in lysosomes are
A)
hydrolytic enzymes
done
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B)
proteases enzymes
done
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C)
Upases enzymes
done
clear
D)
cellulases enzymes
done
clear
View Answer play_arrow
question_answer 154) Chromosome was discovered by
A)
Hofmeister
done
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B)
Muller
done
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C)
Flemmmg
done
clear
D)
Hammeriing
done
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View Answer play_arrow
question_answer 155) Insectivorous plant is
A)
Cuscuta
done
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B)
Drosera
done
clear
C)
Striga
done
clear
D)
None of the above
done
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View Answer play_arrow
question_answer 156) Mycoplasma is resistant for
A)
penicillin
done
clear
B)
tetracycline
done
clear
C)
streptomycin
done
clear
D)
All of the above
done
clear
View Answer play_arrow
question_answer 157) The reduction division in chromosomes takes place in
A)
pollen grains
done
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B)
tapetum
done
clear
C)
megaspore cell
done
clear
D)
megaspore mother cell
done
clear
View Answer play_arrow
question_answer 158) Calvin cycle takes place in
A)
grana
done
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B)
stroma
done
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C)
intra thylakoid
done
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D)
matrix
done
clear
View Answer play_arrow
question_answer 159) The hormone, which prevents abscission is
A)
\[IBA\]
done
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B)
\[ABA\]
done
clear
C)
\[K-N\]
done
clear
D)
\[GA\]
done
clear
View Answer play_arrow
question_answer 160) Sagopalm is obtained from
A)
Pinus
done
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B)
Cycas
done
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C)
Ginkgo
done
clear
D)
Dateplam
done
clear
View Answer play_arrow
question_answer 161) Which of the following is not function of Golgi body?
A)
Protein synthesis
done
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B)
Formation of cell wall
done
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C)
Formation of fatty acids
done
clear
D)
Formation of plasma membrane
done
clear
View Answer play_arrow
question_answer 162) The RNA found in eukaryotic ribosomes are
A)
\[5S\]and\[16\,S\,RNA\]
done
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B)
\[5S,16\,S,\]\[18\,S\,RNA\]
done
clear
C)
\[2\,3S,16\,S\,RNA\]
done
clear
D)
\[5S\]and\[28\,S\,RNA\]
done
clear
View Answer play_arrow
question_answer 163) Water is not necessary for the fertilisation of
A)
algae
done
clear
B)
bryophyte
done
clear
C)
cycas
done
clear
D)
None of these
done
clear
View Answer play_arrow
question_answer 164) The biomass pyramid of forest ecosystem is
A)
linear
done
clear
B)
inverted
done
clear
C)
tetra angle
done
clear
D)
upright
done
clear
View Answer play_arrow
question_answer 165) After pollination the number of chromosome in egg will be
A)
\[n\]
done
clear
B)
\[2n\]
done
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C)
\[3n\]
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D)
None of these
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question_answer 166) Double fertilisation is the
A)
fertilisation of two eggs in an embryo sac
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B)
fusion of one male gamete with the egg cell and another male gamete with the secondary unclel
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C)
fusion of two male gametes with two polar nuclei
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D)
fusion of one male gamete with secondary nucleus
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question_answer 167) The significance of mitochondria was given
A)
Flemming
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B)
Moves
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C)
Mendel
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D)
Altman
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question_answer 168) Mitochondria contains
A)
only DNA
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B)
DNA and RNA
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C)
only RNA
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D)
None of the above
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question_answer 169) Which of the following shows minimum number of chromosomes?
A)
\[n:1\]
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B)
\[n:2\]
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C)
\[n:3\]
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D)
\[n:4\]
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question_answer 170) Which of the following is formed in light reaction of photosynthesis?
A)
ATP
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B)
\[NADP{{H}_{2}}\]
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C)
\[{{O}_{2}}\]
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D)
All of the above
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question_answer 171) In lysogenic phase which of the following takes place?
A)
Phage DNA integrated with host genome and does not multiplied
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B)
Phage DNA does not integrate with host genome
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C)
Phage DNA integrates with host genome and bacterial cell does not lyse
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D)
Phage DNA integrated with host DNA and multiplied
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question_answer 172) Who proposed fluid mosaic mode? of plasma membrane?
A)
Singer and Nicholson
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B)
Robertson
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C)
Benneson
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D)
None of the above
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question_answer 173) The development of sporangium in Pteridium is
A)
a leptosporangiate type
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B)
an eusporangiate type
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C)
Both (a) and (b)
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D)
None of the above
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question_answer 174) Respiratory roots (pneumatophores) are present in
A)
mesophytes
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B)
halophytes
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C)
xerophytes
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D)
None of these
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question_answer 175) The cell wall of fungi is formed by
A)
chitin and mannose
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B)
cellulose
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C)
glucose
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D)
None of the above
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question_answer 176) Which is present in vascular bundle of Pmus?
A)
Tracheids
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B)
Vessels
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C)
Companion cells
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D)
All of the above
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question_answer 177) Growth of stem in diameter is due to
A)
apical cell
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B)
lateral meristem
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C)
apical meristem
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D)
intercalary meristem
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question_answer 178) The plant group in which stomata opens in night is
A)
mesophytes
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B)
succulents
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C)
hydrophytes
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D)
None of the above
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question_answer 179) The right equation for water potential is
A)
\[\psi ={{\psi }_{p}}-({{\psi }_{s}}+{{\psi }_{m}})\]
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B)
\[\psi ={{\psi }_{p}}+({{\psi }_{s}}-{{\psi }_{m}})\]
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C)
\[{{\psi }_{w}}={{\psi }_{s}}+{{\psi }_{p}}\]
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D)
\[{{\psi }_{w}}={{\psi }_{p}}+{{\psi }_{\pi }}+{{\psi }_{m}}\]
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question_answer 180) The respiratory quotient of fat is
A)
0.7
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B)
1.5
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C)
1
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D)
2
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