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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
- …. Is the activator of ribulosebiphosphate carboxylase oxygenase
- Pyruvic acid, the last product of glycolysis, is degraded to CO₂ and H₂O in
- Which of the following changes involved in irrelevant in the evolution of man
- Vitamin A rich transgenic plant is
- Honey 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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