A) pyridoxine
B) niacin
C) folic acid
D) biotin
Correct Answer: B
Solution :
Niacin or nicotinamide (nicotinic acid) is also called antipellagra vitamin. Its deficiency causes pellagra in which skin becomes scaly and pigmented. Deficiency of pyridoxine (Vit-\[{{B}_{6}}\]) causes anaemia, neuritic pain, convulsions, skin lesions, etc. Deficiency o folic acid causes megaloblastic or macrocytic naemia while deficiency of biotic (vitaminB4 or itamin-H) causes dermatitis and anorexia.
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