Question

Which of these is not a function of oxytocin?

(a) Stimulation of breastmilk production

(b) Stimulation of smooth muscle contraction

(c) Stimulation of uterine contraction at childbirth

(d) Ejection of milk

I had been asked this question by my college director while I was bunking the class.

I would like to ask this question from Chemical Control and Coordination topic in portion Chemical Control and Coordination of Biology – Class 11

Answer 1

Correct option is (a) Stimulation of breastmilk production

Explanation: Oxytocin is secreted by the posterior pituitary gland. Its functions include stimulating the contraction of smooth muscles as well as contractions of the uterus during childbirth and ejection of milk. Prolactin is responsible for the production of breastmilk.