Question

Milk secretion in mammals is associated with-

• A. Adrenaline
• B. Progesterone
• C. Oxytocin
• D. Prolactin

Answer 1

The correct option is D

Prolactin

The correct option is D:

Explanation of the correct option :

1. Prolactin is the hormone associated with milk production and secretion in the case of mammals.
2. Term “lactin” is related to milk.
3. Prolactin also known as the luteotropic hormone is a protein that in humans is best known for its role in enabling female mammals to produce milk.

Explanation of the incorrect option:

Option A:

Adrenaline is a stress hormone that causes an increase in systolic blood pressure, dilation of coronary blood vessels, increased sweating, and an increase in metabolic rate.

Option B:

Progesterone is a hormone released by the corpus luteum, it plays an important role in maintaining the pregnancy.

Option C:

Oxytocin controls uterine contraction during parturition and labor.

Final answer: Hence, milk secretion in mammals is associated with prolactin.