biology general knowledge questions

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49. Photosynthesis is a process
A. reductive and exergonic
B. reductive and catabolic
C. reductive, endergonic and catabolic
D. reductive, endergonic and anabolic

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
50. On which of the following plants did Gregor Mendal perform his classical experiment?
A. Gram B. Maize
C. Pea D. Wheat

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.
51. Pigmentation of skin is due to
A. lymphocytes B. monocytes
C. leucocytes D. melanocytes

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
52. Norepinephrine increases
A. respiration
B. urine production
C. saliva production
D. blood pressure

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.
53. Night blindness is cause by lack of which vitamin?
A. Vitamin A
B. Vitamin B
C. Vitamin C
D. Vitamin D

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.
54. Monocot root differs from dicot root in having
A. open vascular bundles
B. scattered vascular bundles
C. well developed pith
D. radially arranged vascular bundles

Answer: Option C

Explanation:

No answer description available for this question.

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