Q. The concept of carbon credit originated from which one of the following?
1) Earth summit, Rio de Janeiro
2) Kyoto protocol
3) Montreal protocol
4) G-8 Summit, Heiligendamm
Q. Who gave the first evidence of the Big Bang theory?
1) Edwin Hubble
2) Albert Einstein
3) S . Chandrasekhar
4) Stephen Hawking
Q. What does the airbag, used for the safety of car drivers, contain?
1) Sodium bicarbonate
2) Sodium azide
3) Sodium nitrite
4) Sodium peroxide
Q. What is the name of the first Indian satellite in Space?
1) METSAT
2) Kalpana - I
3) Aryabhatta
4) INSAT-3D
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
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