Railways Sample Paper RRB (Assistant Loco Pilot) 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 :

    The body can synthesize vitamin-D itself in presence of sunlight.

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