Question

The master endocrine gland is

• A. thyroid gland
• B. pituitary gland
• C. adrenal gland
• D. pancreas

Answer 1

The correct option is B

pituitary gland

The correct option is B.

Explanation for the correct option:

1. Endocrine glands release hormone secretions directly into the surrounding blood for transport to the site of action directly.
2. They are also called as ductless glands.
3. The pituitary gland, also called hypophysis, is a small, oval gland of the size of a pea.
4. It is often called the master gland of the endocrine system because it regulates the functions of most of other endocrine glands.

Explanation for the incorrect option:

Option A:

1. Thyroid gland secretes Thyroxin and calcitonin.
2. It is an endocrine gland.

Option C:

1. Adrenal gland has two parts, adrenal cortex and adrenal medulla.
2. Adrenal cortex works under the control of the pituitary gland.
3. It secretes glucocorticoid hormones, mineralocorticoid hormones, sex hormones and adrenalin.

Option D:

1. Pancreas acts as an exocrine and an endocrine gland.
2. Exocrine secretes pancreatic juice.
3. Endocrine secretes 2 hormones, Insulin, and glucagon.

Final Answer: The master endocrine gland is pituitary.