Q. All the following are plant products except -
1) cork
2) hemp
3) silk
4) linen
Q. The moon has no atmosphere because -
1) on the atmosphere has ever formed there
2) the rock surface completely absorbed the gases
3) due to the low temperature, gases have condensed
4) its gravitational pull is not strong enough to hold an atmosphere
Q. The theory of inheritance of acquired characters was propounded by -
1) Charles Darwin
2) Gregor Mendel
3) J. B. Lamarck
4) Weismann
Q. The escape velocity of a rocket fired from the earth towards the moon is the velocity to get rid of the -
1) earth's gravitational pull
2) moon's gravitational pull
3) centripetal force due to earth's rotation
4) pressure of the atmosphere
Q. Friction can be reduced by changing over from -
1) sliding to rolling
2) rolling to sliding
3) potential energy to kinetic energy
4) dynamic to static
Q. The working of a rocket is based on the principle of -
1) electricity
2) Kepler's Law
3) Newton's Law
4) Conservation of momentum
Q. The purest form of water can be obtained from -
1) a deep tubewell
2) a running stream
3) a hot water spring
4) a heavy shower of rain
Q. The most abundant element in the earth's atmosphere is -
1) Carbon dioxide
2) Hydrogen
3) Oxygen
4) Nitrogen
Q. Which of the following is India's first intranasal vaccine against Covid infection?
1) Sinovac
2) Covaxin
3) Covovax
4) iNCOVACC
Q. Which of the following is the application of sciences such as physics, chemistry, biology, computer science, and engineering to matters of law and to the Identification of various facts of civilian investigation?
1) Kalology
2) Morphology
3) Forensic science
4) Psychology
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