Home
Class 11
BIOLOGY
During embryonic development if mouth is...

During embryonic development if mouth is formed first and anus is formed later, the condition is called

A

Protostomia

B

Deuterostomia

C

both A and B

D

None of the above

Text Solution

Verified by Experts

The correct Answer is:
A
During embryonic development if mouth is formed firstly and then anus is formed, the condition is called protostomia.
Promotional Banner

Topper's Solved these Questions

  • ANIMAL KINGDOM

    A2Z|Exercise Section C : Previous Years' Examination Questions (Assertion Reason Type Questions)|13 Videos

  • ANATOMY OF FLOWERING PLANTS

    A2Z|Exercise Section D: Chapter End Test|50 Videos

  • BIOLOGICAL CLASSIFICATION

    A2Z|Exercise Mock Test Assertion - Reasoning Question|5 Videos

Similar Questions

Explore conceptually related problems

During embryonic development which of the following is formed first ?

During embryonic development in human, the first organ formed is

During embryonic development of human, limbs, and digits are formed during

Mouth develops first in the embryo and anus is formed later in

During embryonic development of human, second cleavage is completed after about

Embryonic connective tissue is formed from

During development which of the folowing organs is formed first

During embryonic development, the body is covered with fine hair, eye lids separate and eye lashes are formed by the end of

A2Z-ANIMAL KINGDOM-Section D : Chapter End Test
  1. Read the following statements and find out the incorrect statement.

    Text Solution

    |

  2. During embryonic development if mouth is formed first and anus is form...

    Text Solution

    |

  3. Which of the following is a pseudocoelomate?

    Text Solution

    |

  4. Which of the followinng is not a deuterostome?

    Text Solution

    |

  5. Pentaradial symmetry occurs in

    Text Solution

    |

  6. Bilaterally symmetrical deuterostome belongs to

    Text Solution

    |

  7. Which of the following group of animals do not belong to same division...

    Text Solution

    |

  8. Read the following statements and find out the incorrect statement.

    Text Solution

    |

  9. Space between body wall and alimentary canal lined by mesoderm is call...

    Text Solution

    |

  10. Which of the following animals is unsegmented?

    Text Solution

    |

  11. Match the columns I and II, and choose the correct combination from th...

    Text Solution

    |

  12. Read the following statements and find out the incorrect statement.

    Text Solution

    |

  13. Among the vertebrates, external fertilisation is seen in

    Text Solution

    |

  14. Find out the incorrect match for body division

    Text Solution

    |

  15. A list of animals is given below, identify the animals with open circu...

    Text Solution

    |

  16. Direct development is found in

    Text Solution

    |

  17. Which of the following is a common characteristic between echinoderms ...

    Text Solution

    |

  18. Read the following statements and find out the correct statement. a....

    Text Solution

    |

  19. Read the following statements and find out the incorrect statement.

    Text Solution

    |

  20. The name of phylum is derived from certain features of animals. Select...

    Text Solution

    |