Home
Class 12
BIOLOGY
Formation of activation calyx in the egg...

Formation of activation calyx in the egg takes place

A

Before fertilization

B

After fertilization

C

At the time of cleavage

D

At the time of amphimixis.

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN HEALTH AND DISEASE

    DINESH PUBLICATION|Exercise CHECK YOUR GRASP|13 Videos
  • INFIORESCENCE

    DINESH PUBLICATION|Exercise check your grasp|1 Videos

Similar Questions

Explore conceptually related problems

In which of the following reaction formation of reaction intermediate does not take place?

Formation of wide variety of habitats takes place by

Formation of liquid endosperm in coconut takes place because:

Fertilization of egg takes place inside

In which of the reaction formation of Diazonium salt takes place ?

Synthesis of proteins for formation of spindle fibres takes place in -

Where does the formation of acetyl CoA from pyruvic acid take place ?

DINESH PUBLICATION-HUMAN REPRODUCTION-MCQ
  1. Cleavage of Frog's egg is

    Text Solution

    |

  2. In mammals, spermatogenesis is stimulated by

    Text Solution

    |

  3. Formation of activation calyx in the egg takes place

    Text Solution

    |

  4. a. The egg of is moderately telolecithal b. Sooner or later the cleav...

    Text Solution

    |

  5. Arrange male reproductive accessory organs based on the amount of secr...

    Text Solution

    |

  6. Given below are assertion and reason, Point out if both are true with ...

    Text Solution

    |

  7. Component of seminal vesicles that provides a forensic test for rape i...

    Text Solution

    |

  8. Oophorocytosis is

    Text Solution

    |

  9. Concordant type of twins are

    Text Solution

    |

  10. How many sphincters are present in the urethra

    Text Solution

    |

  11. Secondary spermatocytes undergo second meiotic division during spermat...

    Text Solution

    |

  12. Spermatids are transformed into spermatozoa by

    Text Solution

    |

  13. How many sperms are present in an average 3 ml ejaculation

    Text Solution

    |

  14. Identify the correct labellings in the diagram

    Text Solution

    |

  15. Statement S. After implantation, the uterine endometrium undergoes cha...

    Text Solution

    |

  16. The anterior portion of the sperm head which is covered by a cap-like ...

    Text Solution

    |

  17. If spermatogenesis proceeds rapidly, inhibin is released. Inhibin redu...

    Text Solution

    |

  18. The first sign of growing human foetus in uterus may be noticed by

    Text Solution

    |

  19. Match the lists and find the correct option

    Text Solution

    |

  20. The biochemical procedure used to detect human chorionic gonadotrophin...

    Text Solution

    |