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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.
Related Questions: - The wheat grain has an embryo with one, large,shield-shaped cotyledon known as:
- Exchange of gases in the alveoli of lungs takes place through
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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
- The wheat grain has an embryo with one, large,shield-shaped cotyledon known as:
- Exchange of gases in the alveoli of lungs takes place through
- Population density of terrestrial organisms is measured in terms of individual per
- In which of these animals skin serves as an accessory organ of respiration
- Viruses are no more ‘alive’ than isolated chromosomes because
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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