Home
Class 12
BIOLOGY
Signals from fully developed foetus and ...

Signals from fully developed foetus and placenta ultimately lead to parturition which requires the release of

A

Estrogen from placenta

B

Oxytocin from maternal pituitary

C

Oxytocin from foetal pituitary

D

Relaxin from placenta

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment ( Section - D ) (Assertion - Reason Type Question ) (In the following question a statement of assertion (A) is followed by a statement of reason (R )|30 Videos

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Try Yourself|19 Videos

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE ENGLISH|Exercise Assignment ( Section - B ) (Objective Type Question )|40 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    AAKASH INSTITUTE ENGLISH|Exercise SECTION D ( ASSERTIN-REASON TYPE QUASTION)|10 Videos

  • LOCOMOTION AND MOVEMENT

    AAKASH INSTITUTE ENGLISH|Exercise ASSIGNMENT SECTION-D|10 Videos

Similar Questions

Explore conceptually related problems

Signals from the fully developed foetus and placenta ultimately lead to parturition which requires the release of

Read the following statements carefully and select the correct statements. (i) hPL plays a major role in parturition. (ii) Fetus shows movements first time in the 7^(th) months of pregenancy. (iii) Signal for parturition comes from fully developed fetus and placenta. (iv) Embryo's hearth is formed by the 3^(rd) month of pregency.

Given below are the steps involved in parturition. Arrange them in proper sequence and select the correct option. I. The induction of mild uterine contractions is called foetal ejection reflex. II. Stronger uterine contractions causing the further release of oxytocin. III. Origination of signals from the fully developed foetus and placenta. IV. Release of oxytocin from maternal pituitary V. Expulsion of baby from the birth canal (a) III , IV , I , II , V (b) III, I , IV , II , V (c) I, III , II , IV ,V (d) II , IV , III, I,V

Select the correct statement. (a) hPL plays a major role in parturition (b) Fetus shows movements first time in the 7 t h month of pregnancy (c) Signal for parturition comes from fully development fetus and placenta (d) Embryo's heart is formed by the 2 t h month of pregnancy

Signals for parturition originate from

The signals for parturition orginate from:

The expulsion of completely developed foetus from the uterus is known as

An aggregate fruit is one which develops from

An aggregate fruit is one which develops from

Breakdown of proton gradient developed during chemiosmosis leads to the release of

AAKASH INSTITUTE ENGLISH-HUMAN REPRODUCTION-Assignment ( Section - C ) (Previous Type Question )
  1. In human female the blastocyst:-

    Text Solution

    |

  2. Which one of the following statements about morula in humans is correc...

    Text Solution

    |

  3. Signals from fully developed foetus and placenta ultimately lead to pa...

    Text Solution

    |

  4. Secretions from which one of the following are rich in fructose,calciu...

    Text Solution

    |

  5. Foetal ejection reflex in human female is induced by

    Text Solution

    |

  6. A change in the amount of yolk and its distribution in the egg will ef...

    Text Solution

    |

  7. Which one of the following is the correct matching of the events occur...

    Text Solution

    |

  8. Seminal plasma in humans in rich in

    Text Solution

    |

  9. Given below is a diagrammatic sketch of a portion of set of the ...

    Text Solution

    |

  10. Which one of the following is the most likely root cause why ...

    Text Solution

    |

  11. In humans, at the end of the first meiotic division, the male germ cel...

    Text Solution

    |

  12. Which extraemryonic membrane in humans prevents desiccation fo the emb...

    Text Solution

    |

  13. In human females menstruation can be deferred by adminstration of

    Text Solution

    |

  14. Which part of the ovary in mammals acts as an endocrine gland after ov...

    Text Solution

    |

  15. Sertoli cells ar regulated by the pituitary hormone know as

    Text Solution

    |

  16. Grey crescent is the area -

    Text Solution

    |

  17. If mammalian ovum fails to get fertilised, which one of the following...

    Text Solution

    |

  18. Which of the following best illustrates feedback in development ?

    Text Solution

    |

  19. The figure shows a section of human ovary . Select the option w...

    Text Solution

    |

  20. The number of sex chromosomes in human primary spermatocyte is

    Text Solution

    |