issb general knowledge MCQ #176

Which vitamin is mainly produced in human skin by sunlight?

issb general knowledge MCQ #176

  1. Question 1

    Q1. Which vitamin is mainly produced in human skin by sunlight?

    • A) Vitamin A
    • B) Vitamin B12
    • C) Vitamin C
    • D) Vitamin D

    Answer: Vitamin D

    Explanation: Sunlight helps the skin produce vitamin D. Deficiency is linked to weak bones.