Multiple choice

Pellagra is the disease condition arising due to the deficiency of

  1. Folic acid

  2. Niacin

  3. Vitamin C

  4. Thiamine

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

Pellagra is a deficiency disease caused by lack of niacin (vitamin B3) or its amino acid precursor tryptophan. The classic symptoms are known as the '3 Ds': diarrhea, dermatitis, and dementia, with death being the fourth if untreated. Pellagra was historically common in populations dependent on corn-based diets. The other options are deficiencies of different vitamins: folic acid (megaloblastic anemia), vitamin C (scurvy), and thiamine (beriberi).

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