Q.

Goitre is caused by the deficiency of

A. Zinc
B. Calcium
C. Iodine
D. Chlorine
Answer» C. Iodine
Explanation: Goitre is a swelling of the neck or larynx resulting from enlargement of the thyroid gland, associated with a thyroid gland that is not functioning properly. Worldwide, over 90% cases of goitre are caused by iodine deficiency. Prevention includes adding small amounts of iodine to table salt, a product known as iodized salt.
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