Home
Class 11
BIOLOGY
Assertion : Hydra is green coloured. R...

Assertion : Hydra is green coloured.
Reason : Green colour is due to the presence of chlorophyll in their body wall.

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:
C
H. viridis is green in colour. Its bright green colour is not because of chlorophyll containing chloroplasts, but due to the presence of symbiotic zoochlorallae, Chlorella vulgaries, a unicellular green alga, that lives in its gastrodermal cells.
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

Green colour of leaves is due to presence of

Green colour of bile is due

For a green coloured body :–

Assertion: Earthworm is brown- or clay-coloured. Reason: Because of the presence of pigment porphyrin.

The green colour of plants is due to the presence of _______ .

Green colour of leaves is due to presence of the pigment_____

Colour of the plants is green due to the presence of :

ERRORLESS -ANIMAL KINGDOM-Animal Kingdom
  1. Assertion : Tapeworm, roundworm and pinworm are endoparasites of human...

    Text Solution

    |

  2. Assertion : Coelenterates are known as Radiata. Reason : Coelenterat...

    Text Solution

    |

  3. Assertion : Hydra is green coloured. Reason : Green colour is due to...

    Text Solution

    |

  4. Assertion : Nerve cells in coelenterata have complete co-ordination in...

    Text Solution

    |

  5. Assertion : king cobra is adaptive to orienntal realm. Reason : Wall...

    Text Solution

    |

  6. Assertion : Bats and whales are classified as mammals Reason : Bats ...

    Text Solution

    |

  7. Assertion : All birds, except the ones like koel (cuckoo) build nests ...

    Text Solution

    |

  8. Assertion : Obelia is dimorphic in nature Reason : Obelia shows poly...

    Text Solution

    |

  9. Assertion : Coelenterates shown altermation of generation. Reason : ...

    Text Solution

    |

  10. Assertion : Lateral line system is found in fishes and aquatic larval ...

    Text Solution

    |

  11. Assertion : F.hepatica undergoes both aerobic and anaerobic respiratio...

    Text Solution

    |

  12. Assertion : Plasmodium vivax is responsible for malaria. Reason : Ma...

    Text Solution

    |

  13. Assertion : Birds have one ovary. Reason : This reduces the body wei...

    Text Solution

    |

  14. Assertion : A shark can stay at a desired level in water without swinn...

    Text Solution

    |

  15. Assertion : Sponges belong to Porifera Reason : Sponges have canal s...

    Text Solution

    |

  16. Assertion : There is no chance of malaria to a man on the bite of male...

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |

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

    Text Solution

    |