Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

WBCS MAIN BIOLOGY MCQ Questions with Answers P23


Biology 23

111. Haversian system is a part of
(A) Heart
(B) Brain
(C) Kidney
(D) Bone

Correct Answer: [D] Bone.
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112. A rhizome is a modified stem because
(A) its stem is highly condensed and disc-like.
(B) it has nodes, internodes and has brown, scaly leaves.
(C) it grows vertically upward in the soil and it has fleshy leaves.
(D) it has nodes and it has eyes which bear germinating buds

Correct Answer: [D] it has nodes and it has eyes which bear germinating buds.
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113. The gastric glands in the stomach produce an enzyme
(A) Pepsin
(B) Trypsin
(C) Insulin
(D) Ptyalin

Correct Answer: [A] Pepsin.
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114. A connecting link between reptiles and birds is
(A) Java Apeman
(B) Whale
(C) Archeopteryx
(D) Platypus

Correct Answer: [C] Archeopteryx.
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115. The instrument used for measuring blood pressure is called
(A) Tonometer
(B) Sphygmomanometer
(C) Barometer
(D) None of the above

Correct Answer: [B] Sphygmomanometer.
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