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b. Prelims Paper (GS) Paper – 1

(UPSC 2013) 50. Consider the following minerals

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  • May 27, 2015 at 6:38 pm #6102
    Wonder Boy
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      50. Consider the following minerals

      1. Calcium

      2. Iron

      3. Sodium

       

      Which of the minerals given above is/are required by human body for the contraction of muscles?

      (a) 1 only

      (b) 2 and 3 only

      (c) 1 and 3 only

      (d) 1, 2 and 3

       

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