Q. Intestinal bacteria synthesizes which of the following in the human body?
Answer:
Vitamin K
Notes: Vitamin K is synthesized by bacteria in the intestinal tract of man and most animals in quantities sufficient to meet their needs. Besides, intestinal bacteria may also synthesize Vitamin B such as Thiamine (B1), Riboflavin (B2), Niacin (B3), Pantothenic Acid (B5), Pyroxidine (B6), and Biotin (B7), Folic Acid (B9) and Cobalamin (B12).