Home
Class 12
BIOLOGY
Which of the following is correct ?...

Which of the following is correct ?

A

Minor species has got no importance in an ecosystem

B

Only human beings have their importance earth

C

Most of the bacteria and fungi are of no use to the ecosystem

D

Pathogens which cause severe human diseases ( e . g . , HIV , polio - virus ) and are not a part of food web / chain should be made extinct

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Topper's Solved these Questions

  • BASIC CONCEPT OF IMMUNOLOGY

    USHA PUBLICATION|Exercise EXERCISE|141 Videos

  • BIOTECHNOLOGY & ITS APPLICATIONS

    USHA PUBLICATION|Exercise EXERCISE|76 Videos

Similar Questions

Explore conceptually related problems

Which of the following is a correct match?

Which of the following is a correct match ?

Which of the following correct?

Which of the following is the correct match ?

Which of the following is the correct match ?

Which one of the following is correct for Asthma ?

Which of the following is not correct for ionic crystals ?

Which of the following is the correct structure of paracetamol

USHA PUBLICATION-BIODIVERSITY & CONSERVATION -ECERCISE
  1. Paul Ehrlich by his ' Rivet - popper hypothesis tried to explain :

    Text Solution

    |

  2. David Tilman's long - term ecosystem experiments using outdoor plots c...

    Text Solution

    |

  3. Which of the following is correct ?

    Text Solution

    |

  4. With the change in environmental conditions , some species disappear a...

    Text Solution

    |

  5. Which of the extinctions are rare :

    Text Solution

    |

  6. Extinctions which occurred due to big natural catastrophes is called :

    Text Solution

    |

  7. Anthropogenic extinction is causing the ' sixth extinction ' . It is ...

    Text Solution

    |

  8. The IUCN . Red list ( 2004 ) documents the extinction of ( A ) species...

    Text Solution

    |

  9. The colonisation of tropic pacific islands by humans have ' resulted i...

    Text Solution

    |

  10. Which of the following has undergone recent extinctions ?

    Text Solution

    |

  11. Following mass extinctions , recovery to the same level of biodiversit...

    Text Solution

    |

  12. Which of the following term includes all of the others ?

    Text Solution

    |

  13. Which of the following groups is most , threatened by global extinctio...

    Text Solution

    |

  14. Which term did Edward Osborne Wilson coin for our innate appreciation ...

    Text Solution

    |

  15. We should care about loss in biodiversity in the populations of other ...

    Text Solution

    |

  16. The most serious consequence of a decrease in global diversity would b...

    Text Solution

    |

  17. The most direct threat to biodiversity is :

    Text Solution

    |

  18. Introduced species can have deleterious effects on biological communit...

    Text Solution

    |

  19. Agricultural lands frequently require nutrient augmentation because :

    Text Solution

    |

  20. IUCN has its headquarters at :

    Text Solution

    |