EVERYDAY SCIENCE

Detailed explanation-1: -Iodine deficiency is the most common cause of goiter. The body needs iodine to produce thyroid hormone. If you do not have enough iodine in your diet, the thyroid gets larger to try and capture all the iodine it can, so it can make the right amount of thyroid hormone.

Detailed explanation-2: -Iodine deficiency is the most common cause of thyroid disease and, if serious, can cause permanent brain damage and intellectual disability in babies. Iodine is a mineral found naturally in seawater and soil. The body needs iodine to make thyroid hormone in the thyroid gland.

Detailed explanation-3: -A goitre is a lump or swelling at the front of the neck caused by a swollen thyroid. The thyroid is a small gland in your neck that makes hormones. Goitres are not usually serious but should be checked by a GP.

Detailed explanation-4: -The definition of Goiter states that it is an enlargement of the thyroid gland on the front and sides of the neck. It is the result of abnormal thyroid secretion, especially hypothyroidism due to a lack of iodine in the diet.

Detailed explanation-5: -Assertion :Iodine deficiency causes goitre. Reason: Reduced iodine intake decreases thyroxine production. Q. Goitre is caused due to deficiency of iodine.