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Prolonged deficiency of nicotinic acid causes
Options
(a) osteomalacia
(b) pellagra
(c) anaemia
(d) xerophthalmia
Correct Answer:
pellagra
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.
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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
- Fructose is absorbed into the blood through mucosa cells of
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- In India, human population is heavily weighed towards the younger age group
- If for some reason, the vasa efferentia in the human reproductive system gets blocked
- Function of companion cells is
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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