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  1. Which vitamin is produced in human body by exposing it to early morning sun–rays?
    1. Vitamin A
    2. Vitamin B
    3. Vitamin C
    4. Vitamin D
Correct Option: D

Sunlight is one of the prime sources of Vitamin D for human beings. When the sun's ultraviolet rays hit the skin, a reaction takes place that enables skin cells to manufacture vitamin D.



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