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    Question

    Deficiency of which of the following leads to night

    blindness?
    A Vitamin A Correct Answer Incorrect Answer
    B Vitamin B Correct Answer Incorrect Answer
    C Vitamin E Correct Answer Incorrect Answer
    D Vitamin K Correct Answer Incorrect Answer

    Solution

    A deficiency of Vitamin A leads to night blindness. People with night blindness have normal vision when adequate light is present but poor vision in the dark. Vitamin A is necessary for the production of retinal, a component of rhodopsin, which is crucial for vision in low light conditions.

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