Deficiency of Iodine causes:

Correct answer: (c) Goitre

Explanation

Iodine is essential for the thyroid gland to make thyroxine hormone.

Iodine deficiency enlarges the thyroid, causing goitre, and may also lead to cretinism and hypothyroidism.

Vitamin A deficiency causes night blindness and calcium deficiency causes osteoporosis, not iodine.