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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
- Number of prothallial cells present in an anther is
- In male cockroaches sperms are stored in which part of the reproductive system
- A normal-visioned man whose father was colour
- The overall goal of glycolysis, kerbs cycle and the electron transport system
- When the light intensity changes from 1 to 100 units, the response of the eye
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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