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Question
What is an ozone layer. State the distribution of the ozone layer in the stratosphere.
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Solution
Ozone layer: “Is a layer in the earth’s atmosphere which contains relatively high concentration of ozone [O3].” Ozone layer is distributed 20-30 kms above the earth in stratosphere.
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RELATED QUESTIONS
You have been selected to talk on 'ozone layer and its protection" in the school assembly on 'Environment Day.'
(a) Why should ozone layer be protected to save the environment?
(b) List any two ways that you would stress in your talk to bring in awareness amongst your fellow friends that would also help in protection of ozone layer as well as the environment.
Which compounds are responsible for the depletion of ozone layer?
Match the items in column I with the closely related ones in column II.
| Column l | Column lI | ||
| (i) | Chlorofluorocarbons (CFCs) | (a) | Global warming |
| (ii) | Fly ash | (b) | Biodegradable |
| (iii) | Cow dung | (c) | Nuclear radiation pollutant |
| (iv) | CO2 and methane | (d) | Acid rain |
| (v) | Sulphur dioxide | (e) | Industrial waste |
| (vi) | Iodine-131 | (f) | Ozone depletion |
What is Ozone?
Discuss in detail the process of ozone depletion.
Fill in the Blanks:
The ______ is the layer of the atmosphere that contains the protective ozone layer
Very short answer type question
Where was the ozone hole discovered?
The problem caused due to ozone hole is ______.
In 1987, an agreement was formulated by the United Nations Environment Programme (UNEP) to freeze the production of “X” to prevent the depletion of “Y”. “X” and “Y” respectively referred to here are ______.
What is exactly measured in Dobson units or DU?
