Home
Class 12
BIOLOGY
Mourla is a developmental stage...

Mourla is a developmental stage

A

between the zygote and blastocyst

B

between the blastocyst and gastrula

C

after the implantation

D

between implantation and parturition.

Text Solution

Verified by Experts

The correct Answer is:
A
After fertilisation, zygote is formed. Zuygote undergoes, mitrotic divisions, called cleavage, to form 2,4,8 and 16 daughter cells called blastomeres, These divisions start when zygote is moving towards uterus. It is called morula at 8-16 cell stage and it continues to divide to form blastocyst.
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

Morula is a developmental stage

Morula is a developmental stage

Morula is a developmental stage (A) between the zygote and blastocyst (B) between the blastocyst and gastrula (C) after the implantation (D) between implantation and parturition

The difference shown in the morphology of leaf during the developmental stages will be in

The route through which developmental stage of Ascaris pass in man

The zygote passes through several developmental stages till implantation. Describe each stage briefly with suitable diagrams.

Assertion During development, general characters appear before specialised characters. Reason Embryos of different groups resemble with each other in early developmental stages

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

    |