Which vitamin is not synthesised in body?

A Vit _A
B Biotin
C Vit _D
D Vit _ K

Correct Answer: Vit _A

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.
Bissoy MCQ
#বিসিএস প্রিলিমিনারি + রিটেন টেস্ট #সাধারণ বিজ্ঞান #ভিটামিন #৩৯ তম (বিশেষ) বিসিএস প্রিলিমিনারি টেস্ট (স্বাস্থ্য ক্যাডার)

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