Pellagra is caused due to deficiency of the vitamin of
A
Thiamin
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B
Niacin
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C
Pyridoxin
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D
Biotin
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Solution
The correct option is C Niacin Pellagra characterized by dermatitis, diarrhoea and mental disturbance. It is caused due to lack of vitamin B3, niacin. Thus, the correct answer is option B.