Home
Class 12
BIOLOGY
Assertion: During pregnancy the levels o...

Assertion: During pregnancy the levels of hormones like estrogens and progetrogens are increased.
Reason: The increased production of these hormones is essential for fetal growth.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    NCERT FINGERTIPS|Exercise Human Health And Disease|177 Videos

  • MICROBES IN HUMAN WELFARE

    NCERT FINGERTIPS|Exercise Microbes In Human Welfare|138 Videos

Similar Questions

Explore conceptually related problems

Assertion: During pregnancy, the levels of hormones like estrogens, progestrogens, cortisol, prolactin, thyroxine. etc., are increased several folds in the maternal blood. Reason: Increased production of these hormones is essential for supporting the fetal growth.

Assertion (A) , The levels of hormones like oestrogens and progestrogens are increased during pregnancy. Reason (R) : In order to ensure proper foetal growth, the production of these hormones is crucial .

Several hormones like hCG, hPL, estrogen, progesterone are produced by

Several hormones like hCG, hPL, estrogen, progesterone are produced by

Several hormones like hCG.hPL, estrogen, progesterone are produced by:

Several hormones like hCG, hPL , estrogen, progesterone are produced by

NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. The vas deferens receives duct from the seminal vesicle and opens into...

    Text Solution

    |

  2. Urethral meatus refers to the

    Text Solution

    |

  3. Mourla is a developmental stage

    Text Solution

    |

  4. The membranous cover of the ovum at ovulation is

    Text Solution

    |

  5. Identify the odd one from the following.

    Text Solution

    |

  6. Assertion: A drop in temperature does not affect spermatogensis. Rea...

    Text Solution

    |

  7. Assertion: The regions outside the seminiferous tubules are called int...

    Text Solution

    |

  8. Assertion: Each seminiferous tubule is lined on its inside by three ty...

    Text Solution

    |

  9. Assertion: Infundibulum is a funnel shaped part closer to ovary. Rea...

    Text Solution

    |

  10. Assertion: The shape of the uterus is like an inverted pear. Reason:...

    Text Solution

    |

  11. Assertion: The endometrium undergoes cyclical changes during menstrual...

    Text Solution

    |

  12. Assertion: The female external genitalia includes mons pubis, labia ma...

    Text Solution

    |

  13. Assertion: The type B spermatogonia are called primary spermatocytes. ...

    Text Solution

    |

  14. Assertion: The middle piece is called as power house of the sperm. R...

    Text Solution

    |

  15. Assertion: Human male ejaculates about 5-100 million sperms during a c...

    Text Solution

    |

  16. Assertion: All copulations do not lead to the fertilisation and pregna...

    Text Solution

    |

  17. Assertion: All embryo with 8 to 16 blastomeres is called a morula. R...

    Text Solution

    |

  18. Assertion: After implantation, finger-like projections appear on the t...

    Text Solution

    |

  19. Assertion: During pregnancy the levels of hormones like estrogens and ...

    Text Solution

    |

  20. Assertion: Vigorous contraction of the uterus at the end of pregnancy ...

    Text Solution

    |