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  3. Railways

Railways Sample Paper RRB (Group D) Sample Test Paper-10

  • question_answer
    Primary source of vitamin-D for human beings is

    A)  Citrus fruits

    B)  green vegetables

    C)  Yeast  

    D)  sun

    Correct Answer: D

    Solution :

    [d] The body can synthesize vitamin-D itself in presence of. Sunlight.


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