ESS
Grade-9
Easy
Question
Assertion (A) The presence of green plants is required for the greenhouse effect.
Reason (R) Green plants' chlorophyll causes the greenhouse effect.
- Both assertion and reason are true, and reason is the correct explanation of assertion.
- Both assertion and reason are true, but reason is not the correct explanation of assertion.
- Assertion is true, but reason is false.
- Both Assertion and reason are false.
Hint:
Green plants don't contribute to greenhouse effect
The correct answer is: Both Assertion and reason are false.
Both are incorrect because neither green plants affect greenhouse effect nor is their chlorophyll of any concern for greenhouse effect
Related Questions to study
ESS
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.
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Global warming can be under control _____________.
Global warming can be under control _____________.
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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
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Greenhouse effect is because of ______________.
Greenhouse effect is because of ______________.
ESSGrade-9
