Home
Class 12
BIOLOGY
In gastrula stage which layer are forme...

In gastrula stage which layer are formed

A

Endoderm

B

Mesoderm

C

Etoderm , endoderm

D

Ectoderm , mesoderm , endoderm

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise Exercise-IV (Assertion & Reason)|38 Videos

  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise Exercise -I (Conceptual Questions)|25 Videos

  • REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH

    ALLEN|Exercise AIIMS 2015|3 Videos

  • REPRODUCTIVE HEALTH

    ALLEN|Exercise S|19 Videos

  • RESPIRATION IN PLANTS

    ALLEN|Exercise Diagram Based question|5 Videos

Similar Questions

Explore conceptually related problems

Gastrula and stage is characterised by

In a vertebrate which germ layer forms the skeletal muscles ?

Which germ layer forms CNS?

Identify the stage which is formed after the fertilisation of the egg by the sperm ?

In angiosperms, all the four microspores of a tetrad are covered by a layer formed by

What is the correct observation regarding size of egg, blastula and gastrula? (a) There is progressive increase in size from zygote to blastula to gastrula (b) All the three are of same size (c) Zygote is small while blastula and gastrula are larger (d) Gastrula is larger while zygote and blastula are of same size

Relative sizes of egg cell, morula, blastula and gastrula cells are (a) Egg cell is the smallest and gastrula cell is the largest (b) All are of equal size (c) Egg cell is the largest and morula cell is the smallest (d) Egg cell is the largest and gastrula cell is the smaller.

After which stage cleavage stopped :-

Which layer of embryo is formed first

The hypoblast (inner germ layer of gastrula) forms the

ALLEN-REPRODUCTIVE SYSTEM , EMBRYOLOGY AND REPRODUCTIVE HEALTH -Exercise-III(A) (Ncert Based Questions)
  1. Which of the following undergoes spermiogenesis : (a) Spermatids (b...

    Text Solution

    |

  2. Various changes in mammalian sperm which prepare it to fertilize the o...

    Text Solution

    |

  3. In gastrula stage which layer are formed

    Text Solution

    |

  4. During oogenis , the small structures separated from egg is :

    Text Solution

    |

  5. Foetal sex can be determined by examining cells from the amniotic flui...

    Text Solution

    |

  6. Which of the following is not correct for gastrulation ?

    Text Solution

    |

  7. On human foetus, the heart begins to beat at development age of

    Text Solution

    |

  8. Development of animal embryo from an unfertilized egg is called

    Text Solution

    |

  9. During embryonic development , endoskeleton and muscle develop from wh...

    Text Solution

    |

  10. Polar body is produced durign the formation of

    Text Solution

    |

  11. Fertilization of ovum occurs in

    Text Solution

    |

  12. In a vertebrate which germ layer forms the skeletal muscles ?

    Text Solution

    |

  13. Liver and pancreas of frog and rabbit are derived from :

    Text Solution

    |

  14. Which layer develops first durign embryonic development?

    Text Solution

    |

  15. Acrosome of sperm is formed from

    Text Solution

    |

  16. The nervous system of vertebrates is derived from :

    Text Solution

    |

  17. Cavity formed during gastrulation is

    Text Solution

    |

  18. The occurrence of mitochondria in sperm is

    Text Solution

    |

  19. Identical twins are born when:

    Text Solution

    |

  20. Which set of enzymes is found in the acrosome of mammalian spermatozoa...

    Text Solution

    |