question_answer 52)

      Which statement is not true about thyroxin? (a) Iron is essential for the synthesis of thyroxin (b) It regulates carbohydrates, protein and fat metabolism in the body (c) Thyroid gland requires iodine to synthesize thyroxin (d) Thyroxin is also called thyroid hormone

Answer:

                    (a) Iodine is essential for synthesis of thyroxin.