question_answer

The richest sources of vitaminare

A)  goat's liver and Spirulina

B)  chocolate and green gram

C)  rice and hen's egg

D)  carrot and chicken's breast

Correct Answer: C

Solution :

Vitamin or cyanocobalamin is a complex cobalt-containing compound of porphyrin group, acting as a cofactor involved at least in two enzyme systems. Like folic acid group, it is concerned with chromosome duplication during cell division, maintenance of myelin sheath and epithelial cells, and formation blood corpuscles. Hence, its deficiency also retards  growth  and  causes  pernicious  anaemia. Its sources are meat, fish, liver eggs milk, etc. and is also synthesized by the intestinal bacteria.