A) vitamin-D
B) vitamin-C
C) vitamin-A
D) vitamin-E
Correct Answer: C
Solution :
Liver synthesises vitamin-A from p-carotene. [3-carotene is an orange-yellow substance of carrot. Vitamin-D is a steroid, which is synthesised from cholesterol. In animal skin, it is synthesised from 7-dehydrocholesterol in the presence of ultraviolet light. Vitamin-E (tocopherol) is known to occur in a variety of plant and animal tissues. Liver contains highest vitamin-E. Vitamin-C (ascorbic acid) helps in the formation of normal collagen, bone matrix, tooth dentine and other extracellular materials. Amla is a richest source of natural vitamin-C.
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