The deficiency of vitamin A causes – (1) night blindness (2) beriberi (3) rickets (4) pellagra

The deficiency of vitamin A causes – (1) night blindness (2) beriberi (3) rickets (4) pellagra
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(1) night blindness Explanation: Nyctalopia (night blindness) is a condition making it difficult or impossible to see in relatively low light. It is one of the first signs of Vitamin A deficiency. Xerophthalmia, keratomalacia, and complete blindness can also occur since Vitamin A has a major role in phototransduction.
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