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Pellagra is caused due to the deficiency of which vitamin?
Options
(a) vitamin-A
(b) vitamin-B₁
(c) vitamin-B₃
(d) vitamin-B₁₁
Correct Answer:
vitamin-B₃
Explanation:
The nicotinic acid or niacin (vitamin B₃) is required for co-enzymes NAD and NADP (dehydrogenases) and its deficiency causes pellagra charcterised by three D’s such as diarrhoea, dermatitis and dementia. Xerophthalmia, osteomalacia and anaemia are caused by the deficiency of vitamin-A, and vitamin-D and iron respectively.
Related Questions: - Tapetum is found in
- Which one of the following is incorrect about the characteristics of protobionts
- Photoperiodism was first characterised in:
- The nerve centres which control the body temperature and the urge for eating
- Elbow joint is an example of:
Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Tapetum is found in
- Which one of the following is incorrect about the characteristics of protobionts
- Photoperiodism was first characterised in:
- The nerve centres which control the body temperature and the urge for eating
- Elbow joint is an example of:
Topics: Human Digestion and Breathing (167)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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