Multiple choice general knowledge science & technology

Pellegra is a deficiency disease for

  1. Vitamin A

  2. Vitamin K

  3. Vitamin D

  4. Vitamin B3

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Pellagra is caused by Vitamin B3 (Niacin) deficiency. It is characterized by the '3 Ds' or '4 Ds': dermatitis, diarrhea, dementia, and death if untreated. It was common in populations dependent on corn as a staple food.