<prompt> A child was fed on staple diet of maize for a long time. Which of the following vitamin may get deficient in his body?Vitamin B1Vitamin B12NiacinPyridoxine  <response>: In maize eating people, Niacin deficiency is seen leading to pellagra. Maize is a deficient in tryptophan and lysine. Tryptophan is required for the synthesis of Niacin B3. 60 mg of tryptophan produces 1mg of niacin. Pellagra-The main 3 Ds of pellagra include- Diarrhoea Dermatitis Dementia 