NEET 2008 · Class 12

Human Reproduction

In human adult females oxytocin

  1. (A)stimulates pituitary to secrete vasopressin
  2. (B)causes strong uterine contractions during parturition
  3. (C)is secreted by anterior pituitary
  4. (D)stimulates growth of mammary glands.

The NCERT line that answers it

Verbatim line

Oxytocin acts on the uterine muscle and causes stronger uterine contractions, which in turn stimulates further secretion of oxytocin.

Chapter
Human Reproduction
Section
2.7 PARTURITION AND LACTATION
Page
12
Words matched
19 of 19

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states 'Oxytocin acts on the uterine muscle and causes stronger uterine contractions', which directly matches option B's claim about oxytocin causing strong uterine contractions during parturition.

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Question text is reproduced from the published NEET 2008 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.