Introduction to Global Warming
Trending Questions
Q. Match the greenhouse gas with its percentage contribution to global warming:


- A - 2, B - 3, C - 1, D - 4
- A - 1, B - 3, C - 2, D - 4
- A - 3, B - 1, C - 2, D - 4
- A - 1, B - 3, C - 2, D - 4
Q. Which of the following strategies is not a correct approach to reduce global warming?
- Reducing the green house gas emission by limiting the use of fossil fuels
- Increases the vegetation cover particularly the forest for photosynthetic utilization of CO2
- Minimizing the use of nitrogen fertilizers, in agriculture for reducing NO2 emission
- Increasing the use of air conditioners, refrigeration unit and production of plastic
Q. Regarding the assertion and reason, choose the correct option:
Assertion [A]: Methane component of greenhouse gases contributes to global warming by about 20 percent.
Reason [R]: Introduction of multipoint fuel injection engines in automobiles has decreased methane content in exhausts.
Assertion [A]: Methane component of greenhouse gases contributes to global warming by about 20 percent.
Reason [R]: Introduction of multipoint fuel injection engines in automobiles has decreased methane content in exhausts.
- Assertion is true but Reason is false
- Both Assertion and Reason are true and Reason is the correct explanation of Assertion
- Both Assertion and Reason are false
- Both Assertion and Reason are true but Reason is not the correct explanation of Assertion
Q. Which of the following is NOT associated with the control of global warming?
- The Montreal Protocol
- The Kyoto Protocol
- UNFCCC
- Both B and C
Q. Global warming is caused due to an abnormal increase in the amounts of ___ gases in the atmosphere.
Q. Regarding the assertion and reason, choose the correct option.
Assertion [A]: Deforestation is one main factor contributing to global warming.
Reason [R]: Besides CO2, methane and CFCs are also greenhouse gases.
Assertion [A]: Deforestation is one main factor contributing to global warming.
Reason [R]: Besides CO2, methane and CFCs are also greenhouse gases.
- Assertion is true but Reason is false
- Both Assertion and Reason are false
- 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
Q.
Greenhouse gases are
Absorbers of long-wave radiations from earth
Transparent to both solar radiations and long-wave radiations from earth
Absorbers of solar radiations for warming the atmosphere of earth-
Transparent to emissions from earth for passage into outer space
Q. Global warming and greenhouse effect are synonyms of the same phenomenon.
- True
- False
Q. Global warming is basically the result of
- ozone layer depletion
- naturally occurring greenhouse gases in the earth’s atmosphere
- population explosion
- anthropogenic activities such as deforestation and industrialisation.
Q. Global warming is caused due to an abnormal increase in the amounts of ___ gases in the atmosphere.