This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
A person fed on only maize diet will develop: March 2013 (a, c, d, e, g, h) 
Select and explain. 
A. Beri Beri, B. Scurvy, C. Pellagra, D. Epidemic dropsy
C: Pellagra
Answer: C: Pellagra 
Explanation: Ans. C i.e. Pellagra The nutritional disease pellagra, which is caused by a deficiency in niacin , is associated with maize-based diets in the Americas and Africa. While niacin is readily available in corn, it exists in a bound form (niacytin) that is not biologically available to monogastric (single-stomach) animals.