Home
Class 12
BIOLOGY
What does the blastocoel of mammalian em...

What does the blastocoel of mammalian embryo phylogenetically signify about the ancestors?

Text Solution

Verified by Experts

It is the site where embryos of ancestral forms lodged food material in the form of yolk.
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    ICSE|Exercise PRACTICE QUESTIONS (SHORT ANSWER TYPE-I QUESTIONS)|17 Videos

  • HUMAN REPRODUCTION

    ICSE|Exercise PRACTICE QUESTIONS (SHORT ANSWER TYPE-II QUESTIONS)|20 Videos

  • HUMAN REPRODUCTION

    ICSE|Exercise SOURCE BASED QUESTIONS|22 Videos

  • HUMAN HEALTH AND DISEASE

    ICSE|Exercise COMPETITION CORNER (OBJECTIVE TYPE QUESTIONS) (Assertion and Reason Type Questions (For AIIMS aspirants))|28 Videos

  • ISC BOARD PAPER (2019 -BIOLOGY)

    ICSE|Exercise PART-II ( SECTION-C)|12 Videos

Similar Questions

Explore conceptually related problems

What is blastocoel in mammalian development? What does it signify from the point of view of phylogeny?

The yolk sac of mammalian embryo is derived from

The amnion of mammalian embryo is derived from

The amnion of mammalian embryo is derived from

Blood flowing through umbilical cord of mammalian embryo is

What is absent in mammalian erythrocytes?

At what stage is mammalian embryo implanted in the uterus?

From which part of blastocyst does an embryo develop

Where does development of worm embryos take place?

ICSE-HUMAN REPRODUCTION-PRACTICE QUESTIONS (VERY SHORT ANSWER TYPE QUESTIONS)
  1. Which germ layer forms CNS?

    Text Solution

    |

  2. Which germ layer forms the skeleton and muscles?

    Text Solution

    |

  3. What is the function of sperm lysins?

    Text Solution

    |

  4. Where does the foetus develop in the female genital tract?

    Text Solution

    |

  5. How does a sperm penetrate through the zona pellusida in human ovum?

    Text Solution

    |

  6. What are Leydig's cells?

    Text Solution

    |

  7. What term is used for the chemicals which occur in sperm's acrosome an...

    Text Solution

    |

  8. What does the blastocoel of mammalian embryo phylogenetically signify ...

    Text Solution

    |

  9. Define spermatogenesis.

    Text Solution

    |

  10. Name the layer of cells which forms the outer wall of blastocoel.

    Text Solution

    |

  11. What is the special structural feature of the epithelial cells that li...

    Text Solution

    |

  12. Which germ layers produce nervous system and kidneys?

    Text Solution

    |

  13. Write one difference between blastos and a gamete.

    Text Solution

    |

  14. Placenta acts as an endocrine tissue. Justify.

    Text Solution

    |

  15. At which stage of life is oogenesis initiated in human female? When do...

    Text Solution

    |

  16. Name the various extraembryonic membranes.

    Text Solution

    |

  17. Which cell organelle is modified to form the acrosome? Name the chemic...

    Text Solution

    |

  18. Differentiate between menarche and menopause

    Text Solution

    |

  19. Where does fertilisation normally take place in a human female?

    Text Solution

    |

  20. At what stage is mammalian embryo implanted in the uterus?

    Text Solution

    |