Home
Class 12
BIOLOGY
Epiboly is the process of...

Epiboly is the process of

A

Rotation of gastrula wihin viteline membrane so that animal pople animal pole become anterior

B

overgrowth of micromeres which divide rapidly and sperad downward over megameres except at yolk plug

C

Mass migration of cells from animal hemisphere so that upper micromeres migrate over edge of dorsal lip .roll inside and tucked beneath outer layer

D

Formation of small slit like invagination sperm to penetrate zona pellucida ?

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE|Exercise Assignment ( Section - C ) (Previous Type Question )|81 Videos

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE|Exercise Assignment ( Section - D ) (Assertion - Reason Type Question ) (In the following question a statement of assertion (A) is followed by a statement of reason (R )|30 Videos

  • HUMAN REPRODUCTION

    AAKASH INSTITUTE|Exercise Assignment ( Section - A ) (Objective Type Question )|25 Videos

  • EXCRETORY PRODUCTS AND THEIR ELIMINATION

    AAKASH INSTITUTE|Exercise SECTION D ( ASSERTIN-REASON TYPE QUASTION)|10 Videos

  • LOCOMOTION AND MOVEMENT

    AAKASH INSTITUTE|Exercise ASSIGNMENT SECTION-D|10 Videos

Similar Questions

Explore conceptually related problems

The best definition of the process of gastrulation is that it is a process where the

In eukaryotes, the process of processing of primary transcript involves

Silver is refined by cupellation process, the process removes the impurity of:

A reversible cyclic process is represented as shown. The efficiency of the process is :

What is an isothermal process? Give an example. What are the essential conditions for an isothermal process to take place? Write the equation for an isothermal process.

DeltaU=0 in a noncylic process of an ideal gas. The process

AAKASH INSTITUTE-HUMAN REPRODUCTION-Assignment ( Section - B ) (Objective Type Question )
  1. which of the following decidua layer forms a partition between develop...

    Text Solution

    |

  2. which of the following in not a correct statement about umbilical cord...

    Text Solution

    |

  3. Sometimes the labor pains are less and uterine contraction have to b...

    Text Solution

    |

  4. which of the following is not the function of Sertoli cells (sustentac...

    Text Solution

    |

  5. If both ovaris are removed from pregnant human femle in first trimeste...

    Text Solution

    |

  6. Decidua which lakes part in the formation of maternal protion of the p...

    Text Solution

    |

  7. In which type of placnta minimum number of barrier is / are present be...

    Text Solution

    |

  8. Blood flowing in umbilical cord of mammalian embryo is

    Text Solution

    |

  9. Epiboly is the process of

    Text Solution

    |

  10. which of the followin enzyme helps sperm to penetrate zone pellucida ?

    Text Solution

    |

  11. Inhibition of uterine contraction casses and the bleeding and cramps o...

    Text Solution

    |

  12. Which centriole of sperm is required for first cleavage?

    Text Solution

    |

  13. Androgen binding protein which helps in concentrating testosterone in ...

    Text Solution

    |

  14. Mark the incorrect statement

    Text Solution

    |

  15. Drugs such as Thalidomide taken by woman in fist trimester of pregnacn...

    Text Solution

    |

  16. Home use kits for determining a women's fertile period depend on the d...

    Text Solution

    |

  17. Neural crtst cellls break off from the and later move to the sides of...

    Text Solution

    |

  18. Type of placenta in the human is

    Text Solution

    |

  19. The type of placenta fund in human beings is of type :

    Text Solution

    |

  20. which of the following can be termed as milk ejectig hormone?

    Text Solution

    |