A) A
B) B
C) C
D) D
Correct Answer: A
Solution :
Vitamin A is a group of unsaturated nutritional organic compounds, that includes retinol, retire retinoic acid and several provitamin A carotenoids among which beta carotene is the most important. Vitamin A is the vitamin whose deficiency may cans night blindness.You need to login to perform this action.
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