Saturday, April 20, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

WBCS Practice Sets on General Science (Biology) P17


Biology 17

81. Adult Filaria worms live in human
(A) Liver
(B) Intestine
(C) Blood
(D) Lymphatics

Correct Answer: [D] Lymphatics.
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82. In angiosperm, triple fusion is required for the formation of
(A) Suspensor
(B) Pericarp
(C) Embryo
(D) Endosperm

Correct Answer: [D] Endosperm.
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83. The percentage of solar energy absorbed by the leaves of green plants in photosynthesis is
(A) 1
(B) 10
(C) 30
(D) 50

Correct Answer: [A] 1.
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84. Nerve cells originate from the embryonic
(A) Mesoderm
(B) Both endo and mesoderm
(C) Ectoderm
(D) Endoderm

Correct Answer: [C] Ectoderm.
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85. Majority of animal-viruses contain
(A) RNA and DNA
(B) None of DNA & RNA
(C) DNA
(D) RNA

Correct Answer: [C] DNA.
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