Solved UPSC CDS/OTA Question
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Q · Health and Disease medium · 45s
Which vitamin deficiency causes pellagra?
TopicHealth and Disease
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Pellagra results from niacin deficiency, exhibiting dermatitis, diarrhea, and dementia. It is prevalent where maize is a dietary staple lacking niacin bioavailability.
Final Answer: Option B - Niacin (B₃)