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State PCS PYQPrelims 2021

UPPCS · Question 114

Which of the following vitamins is essential for normal vision?

  1. Folic acid
  2. Riboflavin
  3. Niacin
  4. Retinol
Show answer & explanation

Answer: (D) Retinol

Explanation

Retinol (vitamin A) forms rhodopsin needed for vision.