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Which one of the following vitamins checks night blindness?

$\begin {array} {1 1} (A)\;A & \quad (B)\;B \\ (C)\;C & \quad (D)\;D \end {array}$

Vitamin A deficiency is a lack of vitamin A in humans. It is common in poorer countries but rarely seen in more developed countries. Night blindness 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
Ans : (A)