Question

One of the following statements is not true about thyroxine. This is:​

• A. Thyroid gland can enlarge due to lack of thyroxine​
• B. It regulates carbohydrate, protein and fat metabolism ​
• C. Thyroid gland requires iron to synthesise thyroxine ​
• D. Iodine is essential for the synthesis of thyroxine ​

Answer 1

The correct option is C Thyroid gland requires iron to synthesise thyroxine ​

Correct Option: (a) Thyroid gland requires iron to synthesise thyroxine.​ ​

Thyroxine is a hormone secreted by the thyroid gland that needs iodine for its synthesis.​ ​

• It regulates the metabolism of carbohydrates, fat and protein in the body and controls the growth of a person.​ ​