McqMate
| Q. |
Primary source of vitamin-D for human beings is – |
| A. | citrus fruits |
| B. | green vegetables |
| C. | yeast |
| D. | Sun |
| Answer» D. Sun | |
|
Explanation: Sources of vitamin D include biosynthesis through the actions of ultraviolet light in the skin and through the diet as ergocalciferol (vitamin D2) or cholecalciferol (vitamin D3). |
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