Home
Class 9
BIOLOGY
Why is aie called 'breath of lifem' ?...

Why is aie called 'breath of lifem' ?

Text Solution

Verified by Experts

It is so because air is needed for breathing by humans, other land animals and aquatic organisms to provide oxygen for cell resiration to go on.
Promotional Banner

Topper's Solved these Questions

  • NATURAL RESOURCES : OUR ENVIRONMENT

    PRADEEP|Exercise ADDITIONAL QUESTIONS|56 Videos

  • NATURAL RESOURCES : OUR ENVIRONMENT

    PRADEEP|Exercise LONG ANSWER QUESTIONS|18 Videos

  • NATURAL RESOURCES : OUR ENVIRONMENT

    PRADEEP|Exercise NCERT EXEMPLAR PROBLEMS|30 Videos

  • IMPROVEMENT IN FOOD RESOURCES

    PRADEEP|Exercise Model Test Paper|34 Videos

  • THE FUNDAMENTAL UNIT OF LIFE

    PRADEEP|Exercise ANALYTICAL|11 Videos

Similar Questions

Explore conceptually related problems

Why is air called breath of lige? Enumerate functions of air or atmosphere.

Why is Latimeria called a living fossil?

Why is Amoeba called immortal ?

Why does an athlete breathe faster and deeper than usual after finishing the race?

Why is meiosis called reductional division?

PRADEEP-NATURAL RESOURCES : OUR ENVIRONMENT-SHORT ANSWER QUESTIONS
  1. Name any two natural resources and man-made resources of air pollution...

    Text Solution

    |

  2. Name one disease each which may occur in man due to continuous ingalat...

    Text Solution

    |

  3. Why is aie called 'breath of lifem' ?

    Text Solution

    |

  4. Why is the direction of wind form sea to land during the day in coasta...

    Text Solution

    |

  5. How H(2)SO(4)" and HNO(3) acids affect our heritage monuments such as ...

    Text Solution

    |

  6. Name the fertilizers whose excessive presence in water bodis results i...

    Text Solution

    |

  7. (a) List atlest two gaseous air that are emitted from automobiles and ...

    Text Solution

    |

  8. How are clouds formed?

    Text Solution

    |

  9. How soil formatio occurs ?

    Text Solution

    |

  10. Draw diagram of (i) nitrogen cycle, (ii) carbon cycle.

    Text Solution

    |

  11. Explain water cycle in detail.

    Text Solution

    |

  12. What is global warming? Give its effects.

    Text Solution

    |

  13. Briefly explain depletion of ozone layer and its effects.

    Text Solution

    |

  14. Explain the phenomena of : (a) Acid rain, (b) Global warming

    Text Solution

    |

  15. What are the methods or preventing or reducing soil erosion ?

    Text Solution

    |

  16. Explain the following : (a) Carbon monoxide poisoning (b) Eutrophi...

    Text Solution

    |

  17. Name four types of bacteria involved in nitrogen cycle.

    Text Solution

    |

  18. Explain rain water-harvesting.

    Text Solution

    |

  19. Draw diagrammatic sketch of oxygen cycle in nature.

    Text Solution

    |

  20. Make sketc of hydrological cycle in nature.

    Text Solution

    |