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NEET 2021 · BiologyPrevious Year Question

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

Answer: (D) Corpus luteum. Answer: (d) Corpus luteum Solution: The corpus luteum, formed from the ruptured follicle after ovulation, is the main secretor of progesterone and also produces relaxin during the later phase of pregnancy.

  1. A.Foetus
  2. B.Uterus
  3. C.Graafian follicle
  4. D.Corpus luteum✓

Correct Answer

(D) Corpus luteum

Solution & Explanation

Answer: (d) Corpus luteum Solution: The corpus luteum, formed from the ruptured follicle after ovulation, is the main secretor of progesterone and also produces relaxin during the later phase of pregnancy. NCERT notes the ruptured follicle becomes the corpus luteum, which secretes mainly progesterone to support pregnancy, the same structure that releases relaxin. NCERT Reference: Chapter 19, Page 246, Line(s) 38–40 — "After ovulation, the ruptured follicle is converted to a structure called corpus luteum, which secretes mainly progesterone."

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