Which vitamin is synthesised naturally by the skin upon exposure to…
2024
Which vitamin is synthesised naturally by the skin upon exposure to ultraviolet (UV) rays from sunlight?
Answer: B. Vitamin D — Ultraviolet B radiation from sunlight converts 7-dehydrocholesterol in the skin into vitamin D3, which supports calcium absorption and bone health.
- A.
Vitamin A
- B.
Vitamin D
- C.
Vitamin K
- D.
Vitamin E
Attempted by 4 students.
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Correct answer: B
Ultraviolet B radiation from sunlight converts 7-dehydrocholesterol in the skin into vitamin D3, which supports calcium absorption and bone health.
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