<prompt> Pellagra is caused bv deficiencv of which vitamin -B2B3B1Folic acid  <response>: Ans. is b i.e., B3 The Vitamins VitaminDeficiency DiseaseLipid-soluble A Retinol, b-caroteneNight blindness, xerophtalmia; keratinization of skinD CalciferolRickets poor mineralizetion of bone; osteomalacia bone demineralizatinE Tocopherols, tocotrienolsExtremely rare--serious neurologic dysfunctionK Phylloqinone: menaquinonesImpaired blood clotting, hermorrhagic diseaseWater-solube B1 ThiaminPeripheral nerve damage beriberi or central nervous system lesions Wemicke-Korsakoff syndromeB2 RiboflavinLesions of comer of mouth, lips and tongue, seborrheic dermatitisNiacin Nicotinic acid nicotinamidePellagra--photosensitive dermatitis depressive psychosisB6 Pyridoxine, pyridoxal, pyridoxamineDisorder of amino acid metabolism, convulsionsFolic acidMegaloblastic anemiaBl2 CobalaminPernicious anemia megaloblastic anemia with degeneration of the spinal cordPantothenic acidPeripharal nerve damage nutritional melagia or burning foot syndromeH BiotinImpaired and carbohydrate metabolism dermatitisC Ascorbic acidScurvy--impaired wound healing, loss of dental cement, subcutaneous hemorrhage 