Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

quiz for class 10 science For UPSC | SSC | Rail | RRB | State PSC P36


Biology 36

176. The gene for Haemophilia is
(A) Y - linked
(B) Located in autoscme
(C) X- linked recessive
(D) X - linked dominant

Correct Answer: [C] X- linked recessive.
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177. The polytene chromosome is found in the cells of
(A) Neuron of insects
(B) Liver of man
(C) Salivary gland of larvae of flies
(D) None of the above

Correct Answer: [C] Salivary gland of larvae of flies.
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178. Refrigeration helps in food preservation by
(A) Providing a cover of ice over food
(B) Stopping enzyme action
(C) Killing bacteria and germs
(D) Greatly retarding the rates of a biochemical reaction

Correct Answer: [B] Stopping enzyme action.
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179. In the International System of Units (S.I.), number of supplementary units is
(A) 2
(B) 3
(C) 4
(D) Many

Correct Answer: [A] 2.
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180. "Particulate theory of inheritance" was proposed by
(A) Herman Muller
(B) T. H. Morgan
(C) Charles Darwin
(D) Gregor Johann Mende

Correct Answer: [D] Gregor Johann Mende.
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