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:

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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:

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51. Pigmentation of skin is due to
A. lymphocytes B. monocytes
C. leucocytes D. melanocytes

Answer: Option D

Explanation:

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52. Norepinephrine increases
A. respiration
B. urine production
C. saliva production
D. blood pressure

Answer: Option D

Explanation:

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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:

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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:

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