issb general knowledge MCQ #83

Which vitamin deficiency causes night blindness due to reduced rhodopsin in the retina?

issb general knowledge MCQ #83

  1. Question 1

    Q1. Which vitamin deficiency causes night blindness due to reduced rhodopsin in the retina?

    • A) Vitamin A
    • B) Vitamin C
    • C) Vitamin K
    • D) Vitamin E

    Answer: Vitamin A

    Explanation: Vitamin A is needed to make rhodopsin, the pigment that helps eyes see in dim light. Severe lack leads to difficulty seeing at night.