General Science Page-9

81) Which are the basic building blocks of proteins?
(A) Oxalic acids
(B) Amino acids
(C) Carbolic acids
(D) Sodium carbonate

82) Which metal is used in storage batteries?
(A) Graphite
(B) Cast iron
(C) Lead
(D) Nickel

83) How hepatitis is transmitted to different persons?
(A) Mosquito bite
(B) Swine
(C) Birds
(D) Water

84) Which instrument is used to measure very high temperature?
(A) Tachometer
(B) Pyrometer
(C) Udometer
(D) Lactometer

85) Which of the following layer of atmosphere make radio transmission possible?
(A) Ionosphere
(B) Troposphere
(C) Hydrosphere
(D) Stratosphere

86) What is the cause of twinkling of stars?
(A) Refraction of light
(B) Reflection of light
(C) Absorption of light

87) What is the chemical combination of laughing gas?
(A) Heliun and Nitrogen
(B) Nitrogen and Hydrogen
(C) Nitrogen and Oxygen
(D) Hydrogen and Oxygen

88) Appendix is a part of:
(A) Large intestine
(B) Small intestine
(C) Spleen
(D) Liver

89) Which are the most abundant elements in sea water?
(A) Ethylene and methane
(B) Methane and Chlorine
(C) Sodium and Ethylene
(D) Sodium and Chlorine

90) Which is the largest part of human brain?
(A) Cerebellum
(B) Module obligate
(C) Cerebrum
(D) Thalamus

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