Question
Biology Question on Digestion and absorption
Pellagra is caused due to deficiency of
A
niacin
B
pantothenic acid
C
tocopherol
D
cyanocobalamine
Answer
niacin
Explanation
Solution
Pellagra is a vitamin deficiency disease most commonly caused by a chronic lack of niacin (vitamin-B3) in the diet. It may also result from alternations in protein metabolism in disorders such as carcinoid syndrome. A deficiency of the amino acid lysin can lead to a deficiency of niacin as well.