Home
Class 12
BIOLOGY
A species is considered as extinct....

A species is considered as extinct.

A

When its member is confined to a particular area

B

When its member is maintained in non-native area

C

When none of its members is alive in native area

D

When none of its members alive anywhere in the world

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BIODIVERSITY AND ITS CONSERVATION

    FULL MARKS|Exercise Additional Questions (2-Mark Questions)|26 Videos
  • BIODIVERSITY AND ITS CONSERVATION

    FULL MARKS|Exercise Additional Questions (3-Mark Questions)|15 Videos
  • BIODIVERSITY AND ITS CONSERVATION

    FULL MARKS|Exercise Higher Order Thinking Skills (HOT) Questions|5 Videos
  • ASEXUAL AND SEXUAL REPRODUCTION IN PLANTS

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|9 Videos
  • CHROMOSOMAL BASIS OF INHERITANCE

    FULL MARKS|Exercise Higher Order Thinking Skills (HOTs) Questions|3 Videos

Similar Questions

Explore conceptually related problems

Why is extinction of species considered to be the most severe aspect in loss of biodiversity?

How the indivdual of a species is formed from existing one of same species ?

Species are considered as ……………….. .

Habitat loss and fragmentation, over exploitation, alien species invasion and co-extinction are the causes for

Which one is extinct?

When a species becomes extinct, the plant and animal species associated with it in an obligatory way also become extinct. This phenomenon is referred to as (a) fragmentation (b) alien species invasion (c) over-exploitation (d) co-extinction

Assertion : The Nile perch introduced into lake Victoria in east Africa led to the extinction of an ecologically unique assemblage of more than 200 species of cichlid fish in the lake. Reason : When alien species are introduced deliberately for economic or other uses, they often become invasive and cause extinction of indigenous species. (a) If both assertion and reason are true and reason is the correct explanation of assertion. (b) If both assertion and reason are true but reason is not the correct explanation of assertion. (c) If assertion is true but reason is false. (d) If both assertion and reason are false.

Why are many species of animals and birds getting extinct?

FULL MARKS-BIODIVERSITY AND ITS CONSERVATION -Additional Questions (1-Mark Questions)
  1. Total number of mega biodiversity countries in the world is

    Text Solution

    |

  2. How many types of forest vegetation are seen in India?

    Text Solution

    |

  3. The most important pattern of biodiversity is........

    Text Solution

    |

  4. Which of the following denotion is correct regarding increasing divers...

    Text Solution

    |

  5. Select the proper sequence indicating the increasing order of biodiver...

    Text Solution

    |

  6. Select the correct linear equation describing the species area relatio...

    Text Solution

    |

  7. If meat eating animals are called as carnivores, how do you call the a...

    Text Solution

    |

  8. Wild ass is endemic to ………………. .

    Text Solution

    |

  9. Which is considered as the Biogeographical Gateway of India?

    Text Solution

    |

  10. Species introduced deliberately in an area are referred as............

    Text Solution

    |

  11. Tilapia fish is an exotic breed from ……… .

    Text Solution

    |

  12. Mention the correct number of biodiversity hotspots identified through...

    Text Solution

    |

  13. Which is not an accepted biodiversity hotspots of India?

    Text Solution

    |

  14. A species is considered as extinct.

    Text Solution

    |

  15. The concept of Red list was noted in.

    Text Solution

    |

  16. Match the following

    Text Solution

    |

  17. Statement 1: Biodiversity is the assemblage of different life form. ...

    Text Solution

    |

  18. Statement 1: India is the seventh largest country in the world in term...

    Text Solution

    |

  19. Statement 1: Western Ghats extend from South Gujarat to Karnataka. S...

    Text Solution

    |

  20. Statement 1: India is the seventh largest country in the world in term...

    Text Solution

    |