English

In human adult females hormone oxytocin ______.

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Question

In human adult females hormone oxytocin ______.

Options

  • stimulates growth of mammary glands

  • stimulates pituitary to secrete vasopressin

  • causes strong uterine contractions during parturition

  • is secreted by anterior pituitary

MCQ
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Solution

In human adult females hormone oxytocin causes strong uterine contractions during parturition.

Explanation:

Oxytocin acts on uterine muscles to strengthen contractions during labour. It is released from the posterior pituitary, not the anterior pituitary.

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Chapter 3: Human Reproduction - EXERCISES [Page 164]

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Sarita Aggarwal Biology [English] Class 12 ISC
Chapter 3 Human Reproduction
EXERCISES | Q I. 44. | Page 164
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