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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 prokaryotic flagella possess
- Flagella with single strand and composed of flagellin is found in
- Which one of the following is heterosporous?
- Coconut fruit is a
- Chloroplasts without grana are known to occur in
Topics: Human Digestion and Breathing
(167)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The prokaryotic flagella possess
- Flagella with single strand and composed of flagellin is found in
- Which one of the following is heterosporous?
- Coconut fruit is a
- Chloroplasts without grana are known to occur 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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