Question

Which of the following glands secrete tropic hormone to control the secretion by other endocrine glands?

• A. Adrenal
• B. Pancreas
• C. Thyroid
• D. Pituitary

Answer 1

The correct option is D

Pituitary

The correct option is D.

Explanation for the correct option:

1. Pituitary gland is also called the master gland.
2. Most tropic hormones are produced and secreted by the anterior pituitary.
3. For eg., Thyroid-stimulating hormone (TSH or thyrotropin) – stimulates the thyroid gland to make and release thyroid hormone.
4. Adrenocorticotropic hormone (ACTH or corticotrophin) – stimulates the adrenal cortex to release glucocorticoids.

Explanation for the incorrect options:

Option A:

The adrenal gland secretes many hormones such as mineralocorticoid hormone, glucocorticoid hormone, sex hormones, and adrenalin.

Option B:

The pancreas secretes both exocrine and endocrine hormones such as pancreatic juice, Insulin, and glucagon respectively.

Option C:

Thyroxine is the hormone produced in the thyroid gland and helps in metabolism.

Final Answer: Pituitary glands secrete a tropic hormone to control the secretion by other endocrine glands.