Vitamins and Coenzymes · Zoology

Which vitamin deficiency impairs formation of visual pigments?

  1. Vitamin A
  2. Vitamin D (calciferol)
  3. Vitamin E
  4. Vitamin K
Show answer and explanation

Correct answer: Vitamin A

Vitamin A is required for synthesis of retinal, a component of visual pigments. Deficiency leads to impaired vision, especially in low light.

Difficulty: Medium Question 12 of 20

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