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1. Which vitamin is not synthesised in body?
- A. Vit _A
- B. Vit _A
- C. Vit _A
- D. Vit _A
Answer: Option A
Explanation:
Humans cannot synthesize vitamins A, B1 (thiamine), B2 (riboflavin), B5 (pantothenic acid), B6 (pyridoxine), B7 (biotin), B9 (folate), B12 (cobalamin), E and K but are able to synthesize some vitamin B3 (niacin) and D.
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