General Science MCQs Part IV

31 Sir Isaac Newton predicted that the earth could not be perfectly round because

It is rotating

32 Hydrogen Bomb is based upon

Uncontrolled fusion

33 An object in equilibrium

May be accelerating

34 The velocity of sound in water at 9 C is

1435 m/s

35 The recorder records sound in the form of

Variable resistance on the tape

36 The region from which a leaf springs is called the

Node

37 Respiration in plants and animals is

Identical

38 Overcoming gravity can be compared to

Climbing out of pit

39 Heat energy passes from

Hotter to colder body

40 Air contains what percentage of Oxygen?

21%

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