Home
Class 11
BIOLOGY
Assertion : Acraniata is a group of orga...

Assertion : Acraniata is a group of organisms which do not have distinct cranium.
Reason : If includes small marine forms without head.

A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

B

If both the assertion and reason are true but the reason is not a correct explanation of the assertion

C

If the assertion is true but the reason is false

D

If both the assertion and reason are false

Text Solution

Verified by Experts

The correct Answer is:
B

Acraniata includes marine forms without head or cranium. They lack jaws, vertebral column, paired appendages.
Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    ERRORLESS |Exercise Anatomy Of Flowering Plants|397 Videos
  • ANIMAL TISSUES

    ERRORLESS |Exercise Animal Tissues|408 Videos

Similar Questions

Explore conceptually related problems

Assertion: Acraniata is a group of organisms which do not have distinct cranium. Reason: It includes small marine forms without head.

Assertion: Acraniata is a group of organisms which do not have distint cranium. Rerson: It inludes small marine forms without head.

ERRORLESS -ANIMAL KINGDOM-Animal Kingdom
  1. Assertion : There is no chance of malaria to a man on the bite of male...

    Text Solution

    |

  2. Assertion : Cold blooded animals do not have fat layer. Reason : Col...

    Text Solution

    |

  3. Assertion : Acraniata is a group of organisms which do not have distin...

    Text Solution

    |

  4. Assertion : The skeleton of sponges is made up of spicules. Reason :...

    Text Solution

    |

  5. Assertion : Cephalization is advatageous to an animal Reason : It im...

    Text Solution

    |

  6. Assertion : Blood is colourless in the insects. Reason : Insect bloo...

    Text Solution

    |

  7. Assertion : Lophodont dentition is also found in the mammals Reason ...

    Text Solution

    |

  8. Assertion : Calabar swelling is caused by eye worm Reason : Loa loa ...

    Text Solution

    |

  9. Assertion : Metamerism is the characteristic of annelida Reason : Me...

    Text Solution

    |

  10. Assertion : Blood is red in annelida. Reason : RBCs are absent in th...

    Text Solution

    |

  11. Assertion : Baleen is an example of aquatic adapation Reason : Balee...

    Text Solution

    |

  12. Assertion : Spermathecae aare the main part of reproductive system of ...

    Text Solution

    |

  13. Assertion : Cutaneous glands help in regulation of body temperature. ...

    Text Solution

    |

  14. Assertion : Both true ribs and floating ribs are present in mammals ...

    Text Solution

    |

  15. Assertion : Cutaneous glands are help in regulation of body temperatur...

    Text Solution

    |

  16. Assertion : Annelids are ureotelic Reason : Only excretroy product o...

    Text Solution

    |

  17. Assertion : Open circulatory system is found in most arthropods. Rea...

    Text Solution

    |

  18. Assertion : The birds can maintain a constant body temperature. Reas...

    Text Solution

    |

  19. Assertion : Moulting or ecdysis occurs only in invertebrates. Reason...

    Text Solution

    |

  20. Assertion : Birds have no mammary gland. Reason : Pigeonds secrets '...

    Text Solution

    |