Home
Class 12
BIOLOGY
Zona pellucida is retained for some time...

Zona pellucida is retained for some time after fertilization. Give reasons.

Promotional Banner

Topper's Solved these Questions

  • REPRODUCTION IN LOWER AND HIGHER ANIMALS

    CHETANA PUBLICATION|Exercise Exercise|90 Videos

  • PLANT WATER RELATION

    CHETANA PUBLICATION|Exercise Exercise |97 Videos

  • REPRODUCTION IN LOWER AND HIGHER PLANTS

    CHETANA PUBLICATION|Exercise Exercise |40 Videos

Similar Questions

Explore conceptually related problems

What happens after fertilization of ovum ?

Name the triploid nutritive tissue formed after fertilization.

Give the significance of fertilization.

Proteins are amphoteric in nature. Give reason

Why is zona pellucida retained around the egg till it reaches uterus?

Answer in one sentence: Which parts are converted into seed and fruit respectively after fertilization?

mRNA is short lived. Give reason.

Birds are uricotelic in nature. Give reason.

Archaeopteryx is a connecting link. Give reason

Sperms of one species fail to fertilize the ovum/ova of other species. Give reason.

CHETANA PUBLICATION-REPRODUCTION IN LOWER AND HIGHER ANIMALS-Exercise
  1. Zona pellucida is retained for some time after fertilization. Give rea...

    Text Solution

    |

  2. Fill in the blanks. The primary sex organ in human male is .

    Text Solution

    |

  3. Fill in the blanks. The is also called as womb.

    Text Solution

    |

  4. Fill in the blanks. Sperm fertilizes ovum in the of fallopian Tube.

    Text Solution

    |

  5. Fill in the blanks. The disc like structure which helps in the trans...

    Text Solution

    |

  6. Gonorrhoea is casued by …………………… bacteria.

    Text Solution

    |

  7. The hormone produced by the testis is…………….

    Text Solution

    |

  8. The number of nuclei presesnt in a zygote is…

    Text Solution

    |

  9. Which of the these is the male reproductive organ in human?

    Text Solution

    |

  10. Attachment of embryo to the wall of the uterus is knowns as..

    Text Solution

    |

  11. Rupturing of follicles and discharge of ova is known as….

    Text Solution

    |

  12. In human female, the fertilized egg gets implanted in uterus…

    Text Solution

    |

  13. Test tube baby technique is called…

    Text Solution

    |

  14. The given figure shows a human sperm. Various parts of it are labelled...

    Text Solution

    |

  15. Presence of beard in boys is a….

    Text Solution

    |

  16. The pair of postero-lateral tissue of the male copulatory organ is ………...

    Text Solution

    |

  17. In human being the type of cleavage is ……………..

    Text Solution

    |

  18. About 60% of semen is formed by the secretion of …………………..

    Text Solution

    |

  19. Onset of menstrual cycle at the time of puberty is called……………..

    Text Solution

    |

  20. The lytic enzyme relesed by sperm is …………..

    Text Solution

    |

  21. Which of the following is not formed from mesoderm.............

    Text Solution

    |