A) D
B) A
C) C
D) E
Correct Answer: A
Solution :
Vitamin-D is helps in mineral deposition in bones and teeth. Vitamin-D promotes absorption of calcium and phosphorus by the intestine. It exerts an anti-rachitic effect. Because it regulates metabolism of calcium and phosphorus, it affects normal growth of the body and formation of teeth and bones. Rickets is caused due to the deficiency of vitamin-D.
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