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  1. Goitre is due to the deficiency of

  2. A.

     Calcium

    B.

     Zinc

    C.

     Selenium

    D.

     Iodine

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    Answer : Option D

    Explanation :

    The most common cause of goiters worldwide is a lack of iodine in the diet. In the United States, where the use of iodized salt is common, a goiter is more often due to the over- or underproduction of thyroid hormones or to nodules in the gland itself.


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