Home
Class 12
BIOLOGY
(i) The term lungs of the planet is used...

(i) The term lungs of the planet is used for
(ii) What is the main reason of deforestation of Amazon rain forest.
(iii) How can high degree of endemisms is responsible for extinction of species.

Promotional Banner

Topper's Solved these Questions

  • ANATOMY OF FLOWERING PLANTS

    ALLEN|Exercise S|33 Videos
  • BIODIVERSITY AND CONSERVATION

    ALLEN|Exercise S|18 Videos
ALLEN-BIODIVERSITY-Question
  1. The above graph show Species-Area relationship. Write the equation of ...

    Text Solution

    |

  2. Differentiate between in situ and ex situ approaches of conservation o...

    Text Solution

    |

  3. What is mutualism? Mention any two examples where the organisms involv...

    Text Solution

    |

  4. List any four techniques where the principle of ex-situ conservation o...

    Text Solution

    |

  5. (a) What is Evil Quartet ? (b) Write down Few impact of Biodiversit...

    Text Solution

    |

  6. Write down the name of few species. (a) Which extinct due to over e...

    Text Solution

    |

  7. (i) What is Earth Summing ? (ii) What was the purpose of Earth summi...

    Text Solution

    |

  8. What is the meaning of stability in context to a biological community?

    Text Solution

    |

  9. What was the conclusion of David Tilman's Field experiment ?

    Text Solution

    |

  10. Explain Rivet popper hypothesis give by paul Ehrlich.

    Text Solution

    |

  11. The following graph shows the species area relationship. Answers the Q...

    Text Solution

    |

  12. Justify with the help of an example where a deliberate attempt by huma...

    Text Solution

    |

  13. Since the origin of life on Earth, there were five episodes of mass ex...

    Text Solution

    |

  14. Many plant and animal species are on the verge of their extinction bec...

    Text Solution

    |

  15. What is 'predation' ? Explain with the help of suitable examples why i...

    Text Solution

    |

  16. How have human activities caused desertification? Explain. Or How ...

    Text Solution

    |

  17. fill in the Blanks : (i) Reserphine is produced by (ii) According...

    Text Solution

    |

  18. (i) The term lungs of the planet is used for (ii) What is the main r...

    Text Solution

    |

  19. Explain the observation of Alexander von Humboldt.

    Text Solution

    |

  20. Describe the advantages for keeping the ecosystem healthy.

    Text Solution

    |