Multiple choice

The deficiency of vitamin A causes

  1. Beri - Beri

  2. Scurvy

  3. Night blindness

  4. Rickets
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Vitamin A deficiency causes night blindness (nyctalopia) because retinol is essential for producing rhodopsin, the pigment needed for low-light vision. Severe deficiency can lead to complete blindness and increase susceptibility to infections. Beri-beri is thiamine (B1) deficiency, scurvy is vitamin C deficiency, and rickets is vitamin D deficiency.

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