Chemistry MCQs Page-10

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ScienceMCQs → Chemistry MCQs from 46 to 50

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46. Mutation is a sudden chemical change in
(A) DNA
(B) RNA
(C) Cell
(D) Cell wall

47. Amino acids are the building blocks of
(A) Fats
(B) Vitamins
(C) Proteins
(D) Lipids

48. Organic chemistry is the study of
(A) Carbon
(B) Metal
(C) Oxygen
(D) Carbon and its compounds

49. Enzymes are made of
(A) Proteins
(B) Lipids
(C) Fats
(D) Minerals

50. Acidic rain is caused by
(A) Nitrogen oxide
(B) Sulfur Dioxide
(C) Carbonic Acid
(D) Both (A) and (B)

ANSWERS: CHEMISTRY MCQS
46. (A) DNA
47. (C) Proteins
48. (D) Carbon and its compounds
49. (A) Proteins
50. (D) Both (A) and (B)