Q297. A vitamin requires cobalt for its activity. The vitamin is (a)Vitamin B12 (b)Vitamin D (c)Vitamin B2 (d)Vitamin A
Correct Option: A Vitamin B12, vitamin B12 or vitamin B12, also called cobalamin, is a water-soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood. It is one of the eight B vitamins.
