Proportion of which of the following should be increased in diet to improve strength and growth of bones

Options

A. Vitamin-D, `Ca^(2+)` and vitamin-K
B. Vitamin-D, `Ca^(2+)` and iodine
C. Vitamin-D, `Ca^(2+)` and vitamin-A
D. Vitamin-A, `Ca^(2+)` and `Mn^(2+)`

Answer

C

Explanation

Vitamin-D affects normal growth of body and formation of teeth and bones by depositiing essential minerals in them. Vitamin-A is essential for maintenance of epithelial cells and bones. There is correlation between vitamin-A and toth development. Calcium is essential for formation of bone and teeth.