Anti infective vitamin is -

Ans. is 'b' i.e., Vitamin AFunctions of Vit A o Vitamin A is essential for -1.Normal vision Retinol is necessory for functioning of retina. Regeneration of rhodopsin during dark light is vit A dependent vit A deficiency causes defective dark adaptation.2. Anti-infective Vitamin A is necessary for integrity of epithelial tissues that resist invasion by pathogens. Vitamin A has some role in immune response.Anticancer effectBeta-carotene has antioxidant propey --> by viue of this action it reduces the incidence of lung, breast, oral, esophageal and bladder cancers.Skeletal - growthVitamin A suppos skeletal growth.