Free Set
Question
Which vitamin is synthesized in skin by sunlight?
Options
AVitamin A
BVitamin B
CVitamin C
DVitamin D Correct Answer
Correct Answer & Explanation
Option D: Vitamin D
Rationale
Vitamin D3 cholecalciferol is synthesized in skin from 7-dehydrocholesterol on exposure to UV-B sunlight. Deficiency causes rickets in children and osteomalacia in adults. Other vitamins not synthesized by sunlight.
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