issb general knowledge MCQ #992

Which vitamin is produced by sunlight (w15-84)?

issb general knowledge MCQ #992

  1. Question 1

    Q1. Which vitamin is produced by sunlight (w15-84)?

    • A) A
    • B) B
    • C) C
    • D) D

    Answer: D

    Explanation: Skin produces vitamin D when exposed to sunlight. Work each step carefully; ISSB math rewards accuracy under time pressure.