Question

Which of the following is not an exocrine gland?

• A. Salivary glands
• B. Mammary glands
• C. Thyroid gland
• D. Goblet cells

Answer 1

The correct option is C Thyroid gland

Exocrine glands are glands that secrete their products through ducts. Salivary glands, mammary glands, sweat glands and tear glands are some of the exocrine glands in human body.

Endocrine glands are ductless glands that secrete their products directly into the fluid bathing the gland and into the blood. Thyroid glands, pituitary glands and adrenal glands are some of the endocrine glands.


Goblet cells are unicellular, isolated glands that secrete mucus. They are present in the stomach and intestine.