WBCS.LIVE practice question

Which vitamin is naturally synthesized in the human skin upon exposure to sunlight?

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. Vitamin A
  2. Vitamin D
  3. Vitamin B
  4. Vitamin K

Correct answer and explanation

Correct answer: Vitamin D

Explanation: āœ… Correct Answer: B) Vitamin D šŸ“š Explanation: When ultraviolet B (UVB) rays from the sun strike the skin, they trigger the chemical conversion of cholesterol into Vitamin D3. This vitamin is essential for the absorption of calcium and phosphorus, which are necessary for maintaining strong bones and teeth. A deficiency in Vitamin D can lead to bone-softening diseases like rickets in children and osteomalacia in adults.