Saturday, April 20, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

Biology MCQ (General Science) Objective Q&A P21


Biology 21

101. Which one of the following is a viral disease?
(A) Encephalitis
(B) Oriental sore
(C) Trypanosomiasis
(D) Giardiasis

Correct Answer: [A] Encephalitis.
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102. A pure red flower-bearing plant is crossed with a pure white flower and the F 1 plant bears pink flowers. This is an example of
(A) Epistasis
(B) Co-dominance
(C) Pseudo dominance
(D) Dominance

Correct Answer: [A] Epistasis.
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103. Plants store glucose in the form of
(A) Starch
(B) Glycogen
(C) Monosaccharide
(D) Cellulose

Correct Answer: [A] Starch.
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104. Spindle fibers are made up of
(A) Cellulose
(B) Chitin
(C) Flagellin
(D) Tubulin

Correct Answer: [D] Tubulin.
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105. The largest reservoir of Nitrogen on Earth is
(A) Ocean
(B) Rock
(C) Soil
(D) Air

Correct Answer: [D] Air.
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