Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

biology mcq For UPSC | SSC | Rail | RRB | State PSC P32


Biology 32

156. Coconut inflorescence is
(A) Cyathium
(B) Spadix
(C) Racemose
(D) Hypanthium

Correct Answer: [B] Spadix.
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157. AIDS/HIV virus is a type of
(A) Either DNA or RNA virus
(B) Both DNA and RNA virus
(C) DNA virus
(D) RNA virus

Correct Answer: [D] RNA virus.
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158. Which metal is present in chlorophyll?
(A) Aluminum
(B) Magnesium
(C) Iron
(D) Zinc

Correct Answer: [B] Magnesium.
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159. A bacterium differs from virus with respect to
(A) DNA
(B) RNA
(C) Both RNA and DNA
(D) None of the above

Correct Answer: [C] Both RNA and DNA.
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160. During cell division, DNA synthesis takes place in
(A) Prophase
(B) Telopliage
(C) Interphase
(D) Anaphase

Correct Answer: [C] Interphase.
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