ESS
Grade-9
Easy
Question
Statement 1: The greenhouse effect is caused by a thick layer of carbon dioxide in the atmosphere.
Statement 2: The glass panels of a greenhouse allow sunlight to pass through while preventing heat from being re-radiated into space.
- Statement 1 is correct but statement 2 is incorrect.
- Statement 1 is incorrect but statement 2 is correct.
- Both the statements are correct.
- Both the statements are incorrect
Hint:
Greenhouse effect was named after the greenhouse phenomenon of not allowing the heat or sunlight to escape out of the glass ceiling
The correct answer is: Both the statements are correct.
As in a greenhouse the glass doesn't allow sunlight to escape , here the carbon dioxide acts in a similar manner and forms a layer without allowing heat radiated to escape therefore causing global warming
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Assertion (A) The presence of green plants is required for the greenhouse effect.
Reason (R) Green plants' chlorophyll causes the greenhouse effect.
Assertion (A) The presence of green plants is required for the greenhouse effect.
Reason (R) Green plants' chlorophyll causes the greenhouse effect.
ESSGrade-9
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Read the following statements.
Select the strongest evidence for climate change.
1. A colder than normal winter.
2. A warmer than normal summer.
3. A pattern of severe storms affecting the major cities in winter season.
4. A form of rising frequency and intensity of storms over many years.
Read the following statements.
Select the strongest evidence for climate change.
1. A colder than normal winter.
2. A warmer than normal summer.
3. A pattern of severe storms affecting the major cities in winter season.
4. A form of rising frequency and intensity of storms over many years.
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Greenhouse gases are so-called because _________.
Greenhouse gases are so-called because _________.
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Pick odd one out.
Pick odd one out.
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Though greenhouse effect is natural but still today’s climate change has become a serious problem. Why?
Though greenhouse effect is natural but still today’s climate change has become a serious problem. Why?
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What will happen to the climate, if we stop burning of fossil fuels today?
What will happen to the climate, if we stop burning of fossil fuels today?
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The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.
The normal temperature of the Earth would have been_____________ if greenhouse gases were not present in the atmosphere.
ESSGrade-9
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Global warming can be under control _____________.
Global warming can be under control _____________.
ESSGrade-9
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Assertion: CO2 is a major greenhouse gas.
Reason: Increase in CO2 level leads to decrease in Earth’s temperature.
Assertion: CO2 is a major greenhouse gas.
Reason: Increase in CO2 level leads to decrease in Earth’s temperature.
ESSGrade-9
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Climate model is used to forecast____________.
Climate model is used to forecast____________.
ESSGrade-9
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Thinning of ozone layer is due to __________.
Thinning of ozone layer is due to __________.
ESSGrade-9
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Select the incorrect statement.
Select the incorrect statement.
ESSGrade-9
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What is the change between the greenhouse effect and global warming?
What is the change between the greenhouse effect and global warming?
ESSGrade-9
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Match the following
| Greenhouse gas |
Contribution to greenhouse effect (%) |
| 1. Carbon dioxide |
a. 6% |
| 2. Nitrous oxide |
b. 14% |
| 3. Methane |
c. 20% |
| 4. Carbon fluorocarbon |
d. 60% |
Match the following
| Greenhouse gas |
Contribution to greenhouse effect (%) |
| 1. Carbon dioxide |
a. 6% |
| 2. Nitrous oxide |
b. 14% |
| 3. Methane |
c. 20% |
| 4. Carbon fluorocarbon |
d. 60% |
ESSGrade-9
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__________is mainly responsible for greenhouse effect.
__________is mainly responsible for greenhouse effect.
ESSGrade-9
