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|61.   The Carbon Dioxide in the atmosphere, by volume, is

A.     0.039%

B.     3.9%

C.    13%

D.    30%

62.   Diamond is an allotropic form of

A.     Carbon

B.     Hydrogen

C.    Nitrogen

D.    Silicon

63.   The SI unit of Heat is

A.     Watt

B.     Volt

C.    Joule

D.    Newton

64.   The good sources of Vitamin-A are

A.     green leafy vegetables

B.     seeds

C.    fresh vegetables and fruits

D.    sea foods

65.   The good sources of Vitamin-B Complex are

A.     green leafy vegetables

B.     seeds

C.    fresh vegetables and fruits

D.    sea foods

66.   The good sources of Vitamin-C are

A.     green leafy vegetables

B.     seeds

C.    fresh vegetables and fruits

D.    sea foods

67.   The good sources of iodine are

A.     green leafy vegetables

B.     seeds

C.    fresh vegetables and fruits

D.    sea foods

68.   The gas, commonly known as “laughing gas”, is

A.     Cabon Dioxide

B.     Sulfur Dioxide

C.    Nitrous Oxide

D.    Sodium Oxide

69.   The source of oxygen in photosynthesis is

A.     water

B.     salts

C.    minerals

D.    glucose

70.   The instrument used to measure wind speed is

A.     Anemometer

B.     Barometer

C.    Hydrometer

D.    Hygrometer

ANSWERS:

61.   A

62.   A

63.   C

64.   A

65.   B

66.   C

67.   D

68.   C

69.   A

70.   A