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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: - A large proportion of oxygen is left unused in the human blood
- A typical fat molecule is made up of
- Passage of materials to and from the cells is carried out by and active transport
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Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A large proportion of oxygen is left unused in the human blood
- A typical fat molecule is made up of
- Passage of materials to and from the cells is carried out by and active transport
- Which one of the following statements is not correct?
- Enzymes of TCA cycle are present in
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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