NCERT Solution Class X Science Control and Coordination Question 2 (Ex 7.3)

Question 2:

Why is the use of iodised salt advisable?

Answer:

Iodine stimulates the thyroid gland to produce thyroxin hormone. It regulates

carbohydrate, fat, and protein metabolism in our body. Deficiency of this hormone

results in the enlargement of the thyroid gland. This can lead to goitre, a disease

characterized by swollen neck. Therefore, iodised salt is advised for normal

functioning of the thyroid gland.

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