Which one of the following pairs is not correctly matched?
(a) Vitamin-B12- Pernicious anaemia
(b) Vitamin-B6- Scaly skin
(c) Vitamin-B1- Beri-Beri
(d) Vitamin-B2- Pellagra
Vitamin-B2 is not matched with pellagra. Deficiency of vitamin-B3 causes pellagra which include dermatitis, diarrhoea and dementia.Dermatitis is an inflammation of spin which becomes scaly and papillated. Dementia is a nervous disorder, which may lead to madness.