Iodine is essential for the synthesis of _______.

Correct option is B

The correct answer is (b) Thyroxine.
· Iodine is a crucial element required for the synthesis of thyroxine, a hormone produced by the thyroid gland.
· Thyroxine (T4) and triiodothyronine (T3) are thyroid hormones that regulate various metabolic processes in the body.
· Adequate iodine intake is essential to prevent thyroid disorders such as goiter and hypothyroidism.
Information Booster:
· Cytokinin: A class of plant hormones that promote cell division and growth, not related to iodine.
· Insulin: A hormone produced by the pancreas that regulates blood glucose levels, does not require iodine for its synthesis.
· Oestrogen: A group of sex hormones primarily responsible for the development and regulation of the female reproductive system, does not require iodine for its synthesis.