passwella.
Menu

WAEC Biology 2003 Question 21

Question 21

Hormonal Coordination

The endocrine gland secreting hormone that induces the thyroid gland to produce more thyroxine is

  1. A.islets of Langerhans
  2. B.adrenal gland
  3. C.pituitary gland
  4. D.parathyroid gland
Show the answer and explanation

Answer: C (pituitary gland)

Explanation

The pituitary gland secretes thyroid-stimulating hormone (TSH), which makes the thyroid release thyroxine.