Which one of the following pairs is incorrectly matched?

The correct option is B

Glucagon – Beta cells (source)

The correct option is B.

Explanation for the correct option :

1. Hormones are the class of enzymes that controls, regulates, or stimulate a particular biological process.
2. Hormones are produced by different glands and secreted by these glands into the bloodstream or target the organ.
3. Overproduction or deficiency of hormones can lead to diseases.
4. Islets of Langerhans in the pancreas secrete glucagon.
5. A hyperglycemia hormone plays a role in glucose homeostasis.

Explanation for the incorrect option :
Option A:
Delta cells in the islets of Langerhans produce somatostatin, which is used to block insulin and glucagon secretion from adjacent cells in the pancreas.

Option C:

Deficiency or resistance to insulin is the cause of diabetes. The cause of diabetes mellitus is an insufficient action of insulin.

Option D:
Progesterone is a hormone that makes your uterus a healthy environment for a developing fetus which is produced from the corpus luteum.

Final answer: The incorrectly matched pair is Glucagon – Beta cells (source).