Home
Class 12
BIOLOGY
For human female which of the following ...

For human female which of the following is incorrect?

A

Menstrual cycle takes 28 days on an average

B

Menopause occurs at 45-55 years of age.

C

The eggs released during pregnancy die.

D

Menstruation takes 4 days on an average.

Text Solution

Verified by Experts

The correct Answer is:
C
During pregnancy, high levels of progesterone inhibits FSH and LH secretion. In absence of these hormones, there is no chance of ovulation and thus no pregnancy.
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

Human females have

Which of the following statements is incorrect for ECG of human heart ?

Which of the following is incorrect about the excretory system of human?

Which of the following is incorrect about the human endocrine system ?

Which of the following is incorrect regarding human respiratory system?

Which of the following statements is incorrect about human eye?

Which of the following statements is incorrect regarding human skeleton?

Which one of the following is the incorrect statement for respiration in humans ?

Which one of the following statements is incorrect with respect to human antibodies?

Which of the following is incorrect match about human excretory system?

NCERT FINGERTIPS-HUMAN REPRODUCTION-Human Reproduction
  1. some important events that occur during the menstrual cycle are given ...

    Text Solution

    |

  2. Withdrawal of which of the following hormones is the immediate cause o...

    Text Solution

    |

  3. For human female which of the following is incorrect?

    Text Solution

    |

  4. At menopause there is rise in urinary exretion of

    Text Solution

    |

  5. Which of the following statements concerning menopause is correct?

    Text Solution

    |

  6. Fertilization is defined as the process by which

    Text Solution

    |

  7. A reaction fo granules content which harden the zona pellucida and ens...

    Text Solution

    |

  8. Fill up the blanks in the following paragraph by selecting the correct...

    Text Solution

    |

  9. Which part of the sperm plays an important role in penetrating the egg...

    Text Solution

    |

  10. The second maturation division of the mammalian ovum occurs

    Text Solution

    |

  11. In oocyte secodary maturation occurs in

    Text Solution

    |

  12. Besides activating the egg, another role of a sperm is to carry to egg

    Text Solution

    |

  13. The sperm and the egg make different contributions to zygote which of ...

    Text Solution

    |

  14. Some important events that take place during fertilisation are given b...

    Text Solution

    |

  15. Preparation of sperm before penetration of ovum is

    Text Solution

    |

  16. The sex of the fetus will be decided at

    Text Solution

    |

  17. What is true aobut cleavage in the fertilised egg in humans?

    Text Solution

    |

  18. Cleavage differes from mitosis in lacking

    Text Solution

    |

  19. The solid mass of 8-16 cells formed from zygote after successive mitot...

    Text Solution

    |

  20. given below are four statements (i)-(iv) reagarding embryonic developm...

    Text Solution

    |