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प्रश्न
Match the items of Column A with those of Column B.
| Column A | Column B |
| (a) sulphur dioxide | (i) damage ozone layer |
| (b) carbon dioxide | (ii) reduces oxygen-carrying capacity of blood |
| (c) carbon monoxide | (iii) acid rain |
| (d) chloroflurocarbons | (iv) greenhouse gas |
उत्तर
| Column A | Answers |
| (a) sulphur dioxide | (iii) acid rain |
| (b) carbon dioxide | (iv) greenhouse gas |
| (c) carbon monoxide | (ii) reduces oxygen-carrying capacity of blood |
| (d) chloroflurocarbons | (i) damage ozone layer |
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संबंधित प्रश्न
Give biological reasons for the following statements:
Cutting of trees should be discouraged.
What are green house gases? How are they responsible for global warming?
Match the Columns:
| Column A | Column B |
| 1. Ozone depletion | a. GHG |
| 2. Methane | b. Disappearance of habitat |
| 3. Deforestation | c. UV rays from the sun |
| 4. Fossil fuel | d. CFCs |
| 5. Global warming | e. comes from cattle |
What do you understand by the term ‘global warming’?
Global warming does not augur well for our planet earth. State at least three reasons to support this statement.
Explain the following term/process in detail:
Global Warming
Explain the following term/process in detail:
Greenhouse Effect
Which one of the following years is supposed to have recorded the warmest temperature the world over?
In the following statement, the underlined words are jumbled up. Write them in their correct form.
Whenever harmful substances such as wagese, toxic chemicals, silt, etc get mixed with water, the water becomes potdulle.
