Thursday, February 27, 2020

WBCS Polity and Constitution MCQs Prelims and Mains

biology mcq book For UPSC | SSC | Rail | RRB | State PSC P34


Biology 34

166. An example of the modified underground stem is
(A) Groundnut
(B) Turnip
(C) Carrot
(D) Potato

Correct Answer: [D] Potato.
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167. Necton is
(A) animals associated with aquatic plants.
(B) submerged plants in the water.
(C) floating organisms in the water.
(D) swimming organisms in the water

Correct Answer: [D] swimming organisms in the water.
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168. Which one of the following is a rich source of amylase?
(A) Thyroid
(B) Pancreas
(C) Brain
(D) Blood

Correct Answer: [B] Pancreas.
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169. Phenotypic ratio of Mendelian Dihybrid cross is
(A) 3 : 4 : 3 : 1
(B) 1 :2 : 1 :1
(C) 9 : 3 : 3 : 1
(D) 1 : 1 : 1 : 1

Correct Answer: [C] 9 : 3 : 3 : 1.
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170. "Natural Selection" is the theory from
(A) T. H. Morgan
(B) None of the above
(C) G. J. Mendel.
(D) Charles Darwin

Correct Answer: [D] Charles Darwin.
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