Question

Choose the correct answer from the four options given below: A gland which secrets both hormone and enzyme is:

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

Answer 1

The correct option is B

Pancreas

The correct option is C.

Explanation of the correct option:

1. Pancreas is both an endocrine as well as an exocrine gland that secrets both hormones and enzymes.
2. The islets of Langerhans, which are a collection of a group of cells is the endocrine part which constitutes only 1% of the total cells while 99% of cells secrets inactive digestive enzymes known as zymogens.
3. Pancreatic islets of Langerhans contain alpha, beta, and gamma cells which secret glucagon, insulin, and somatostatin hormones respectively.
4. Pancreatic juice secreted by the majority of cells of the pancreas has digestive enzymes, including trypsinogen, chymotrypsinogen, elastase, pancreatic lipase, and amylase.

Explanation of the incorrect options:

Option A:

1. The pituitary gland is purely an endocrine gland that secrets several hormones.
2. It is also known as the master gland of the endocrine system.

Option C:

1. The thyroid gland is a butterfly-shaped endocrine gland wrapped around the front of the windpipe at the front of Adam's apple.
2. It does not secret any enzymes and it is purely an endocrine gland as it does not rely on a duct system.

Option D:

Adrenal gland is also an endocrine gland that is situated on top of both the kidneys and does not rely on a duct system for its secretion.

Final answer: A gland which secrets both hormone and enzyme is pancreas.