Home
Class 10
BIOLOGY
(a) What is ozone ? How is it formed ? ...

(a) What is ozone ? How is it formed ?
(b) How does ozone layer protect us from harmful effects in the environment ?
(c) What is UNEP ? What step has been taken by UNEP in 1987 to prevent too much damage to the ozone layer ?

Promotional Banner

Topper's Solved these Questions

  • OUR ENVIRONMENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise Questions Based on High Order Thinking Skills|2 Videos

  • OUR ENVIRONMENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Questions|1 Videos

  • OUR ENVIRONMENT

    LAKHMIR SINGH & MANJIT KAUR|Exercise Long Answer Type Questions|1 Videos

  • MCQ SECTION

    LAKHMIR SINGH & MANJIT KAUR|Exercise Exercise|75 Videos

  • TEST PAPER 1

    LAKHMIR SINGH & MANJIT KAUR|Exercise Section B|3 Videos

Similar Questions

Explore conceptually related problems

What is ozone? How is ozone formed? How does ozone layer protect us from the harmful effects in the environment? Write the full form of CFC. What harm can they do?

What is the ozone hole? How was it formed? What is being done to control it?

What is ozone and how does it affect any ecosystem?

LAKHMIR SINGH & MANJIT KAUR-OUR ENVIRONMENT-Exercise
  1. What would happen if the ozone layer in the atmosphere completely disa...

    Text Solution

    |

  2. (a) With the help of a flow diagram, describe how energy from th sun f...

    Text Solution

    |

  3. (a) What is ozone ? How is it formed ? (b) How does ozone layer prot...

    Text Solution

    |

  4. (a) How is energy introduced into the ecosystem ? (b) Consider the ...

    Text Solution

    |

  5. (a) Explain why, a food chain usually cannot have more than three of f...

    Text Solution

    |

  6. What provides the energy which then flows through a food chain ?

    Text Solution

    |

  7. Which pollutant released into the air during refrigeration and aircond...

    Text Solution

    |

  8. In the given food chain, suppose the amount of energy at fourth trophi...

    Text Solution

    |

  9. Which of the following limits the number of trophic levels in a food c...

    Text Solution

    |

  10. What percentage of sun's energy falling on the leaves of green plants ...

    Text Solution

    |

  11. The depletion of ozone layer in the upper atmosphere is mainly due to ...

    Text Solution

    |

  12. In an ecosystem, the 10% of energy available for transfer from one tro...

    Text Solution

    |

  13. Flow of energy in an ecosystem is always

    Text Solution

    |

  14. Excessive exposure of human to UV-rays results in (i) damage to imm...

    Text Solution

    |

  15. Which of the following gets the minimum energy through the food chain ...

    Text Solution

    |

  16. A food chain comprises of cat, seed-eating bird, plants, and dog. The ...

    Text Solution

    |

  17. An aquatic food chain comprises of the organisms like tadpoles, weeds,...

    Text Solution

    |

  18. Most of the water surface of a lake is covered with algae. This algae ...

    Text Solution

    |

  19. If the energy available at the producer level in a food chain is 150 J...

    Text Solution

    |

  20. If the energy transferred to a tertiary consumer in a food chain is 10...

    Text Solution

    |