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Displaying 5 out
of 15
questions & answers.
Q1.
Fill in the blanks.
- ___________ and _________ are examples of greenhouse gases.
- _________ _________ is a major cause of climate change.
- The _________ in earth's temperature is called global warming.
- The layer of atmosphere where ozone is found is called __________.
- The ozone layer protects us from the _________ of the sun.
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Answer:
S A M P L E
- Carbon dioxide and chloroflurocarbons (CFCs)
- global warming
- increase
- stratophere
- ultraviolet rays
Q2.
Write True ot False.
- Aeroplanes flying in the sky cause global warming.
- Forest fires do not cause global warming.
- Ozone is found in the troposphere.
- he ozone layer is harmful for humans and animals.
- CFCs nd BFCs protect the ozone layer.
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Answer:
S A M P L E
- True
- False
- False
- False
- False
Q3.
Choose the correct option.
- Oxygen/Carbon dioxide is a greenhouse gas.
- Use of fossil fuels / hydroelectricity causes global warming.
- Cattle release methane / CFCs.
- Global warming will reduce / increase climate change.
- The ozone layer is found between 20 and 40 / 40 and 60 km above the earth's surface.
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Answer:
S A M P L E
- Carbon dioxide
- fossil fuels
- methane
- increase
- 20 and 40 km
Q4.
Match the following.
| A | B |
| 1. ozone depletion | i. GHG |
| 2. methane | ii. disappearance of habitat |
| 3. deforestation | iii. UV rays from the sun |
| 4. fossil fuel | iv. CFCs |
| 5. global warming | v. comes from cattle |
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Answer:
S A M P L E
- (iv) CFCs
- (v) comes from cattle
- (ii) disappearance of habitat
- (i) GHG
- (iii) UV rays from the sun
Q5.
Why do we call carbon dioxide a greenhouse gas?
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Answer:
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