Home
Class 10
BIOLOGY
Why is excessive use of CFCs a cause of ...

Why is excessive use of CFCs a cause of concern?

Text Solution

Verified by Experts

When CFC.S reach upper layers of the atmosphere, they cause depletion of ozone layer, and allow harmful UV radiations to reach the surface of the earth to create health hazards. 4 +4 pooj Q. 15.
Promotional Banner

Topper's Solved these Questions

  • OUR ENVIRONMENT

    OSWAAL PUBLICATION|Exercise TOPIC - 2 (BIODEGRADABLE AND NON - BIODEGRADABLE SUBSTANCES AND GLOBAL WARMING)(SHORT ANSWER TYPE QUESTIONS - I)|14 Videos
  • OUR ENVIRONMENT

    OSWAAL PUBLICATION|Exercise TOPIC - 2 (BIODEGRADABLE AND NON - BIODEGRADABLE SUBSTANCES AND GLOBAL WARMING)(SHORT ANSWER TYPE QUESTIONS - II)|11 Videos
  • OUR ENVIRONMENT

    OSWAAL PUBLICATION|Exercise TOPIC - 2 (BIODEGRADABLE AND NON - BIODEGRADABLE SUBSTANCES AND GLOBAL WARMING)(MATCH THE COLUMN)|1 Videos
  • LIFE PROCESSES

    OSWAAL PUBLICATION|Exercise NCERT CORNER ( TEXTBOOK EXERCISES )|13 Videos
  • QUESTION PAPER APR 2019

    OSWAAL PUBLICATION|Exercise EXERCISE|32 Videos

Similar Questions

Explore conceptually related problems

How is ozone formed in the upper atmosphere? Why is the damage of ozone layer a cause of concern to us ? State a cause of this damage.

Why is damage to the ozone layer a cause for concern? What steps are being taken to limit this damage ?

Why is the use of iodised salt advisable ?

Damage to the ozone layer is a cause of concern.

Excessive loss of water causes wilting of leaves, it can be prevented by

OSWAAL PUBLICATION-OUR ENVIRONMENT-TOPIC - 2 (BIODEGRADABLE AND NON - BIODEGRADABLE SUBSTANCES AND GLOBAL WARMING)(VERY SHORT ANSWER TYPE QUESTIONS)
  1. Name the two important non-metallic oxides which causes acid rain :

    Text Solution

    |

  2. What is Ozone ?

    Text Solution

    |

  3. Why are some substance non-biodegradable ?

    Text Solution

    |

  4. Ozone layer is getting depleted at higher levels of the atmosphere

    Text Solution

    |

  5. . Name the chemical compound responsible for the depletion of ozone la...

    Text Solution

    |

  6. Damage to the ozone layer is a cause of concern.

    Text Solution

    |

  7. Name the gas which is produced due to incomplete combustion of fossil ...

    Text Solution

    |

  8. What is the function of ozone in the upper atmosphere ?

    Text Solution

    |

  9. Why should blodegradable and non-blodegradable wastes be discarded In ...

    Text Solution

    |

  10. Which chemical is used In fire extinguishers? How is it harmful?

    Text Solution

    |

  11. What happens during the first step of ozone formation in the atmospher...

    Text Solution

    |

  12. How is ozone formed in the upper atmosphere? Why is the damage of ozon...

    Text Solution

    |

  13. Select the item which is made up of biodegradable material - Plastic b...

    Text Solution

    |

  14. Why is excessive use of CFCs a cause of concern?

    Text Solution

    |

  15. The following organisms form a food chain. Which of these will have th...

    Text Solution

    |

  16. . Name the chemical compound responsible for the depletion of ozone la...

    Text Solution

    |

  17. Mention one negative effect of our affluent life style on the environm...

    Text Solution

    |

  18. State a way to prevent accumulation of harmful chemicals in our bodies...

    Text Solution

    |

  19. List two non-biodegradable wastes generated daily in kitchen which can...

    Text Solution

    |

  20. Which disease is caused in human beings due to depletion of ozone laye...

    Text Solution

    |