Introduction to Global Warming
Trending Questions
Q.
Match the greenhouse gas with its percentage contribution to global warming:
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. 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.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is not the correct explanation of A
- A is true but R is false
- Both A and R are false
Q. Global warming is basically the result of
- anthropogenic activities such as deforestation and industrialisation.
- ozone layer depletion
- naturally occurring greenhouse gases in the earth’s atmosphere
- population explosion
Q. Global warming and greenhouse effect are synonyms of the same phenomenon.
- True
- False
Q. Read the following statements (A - C) related to the greenhouse effect and select the correct statements.
A. Greenhouse gases absorb the long wave radiation.
B. Earth’s surface re-emits heat in the form of infrared radiation.
C. Clouds and gases reflect about one-third of the incoming solar radiation.
A. Greenhouse gases absorb the long wave radiation.
B. Earth’s surface re-emits heat in the form of infrared radiation.
C. Clouds and gases reflect about one-third of the incoming solar radiation.
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.
- Both A and R are true and R is the correct explanation of A
- Both A and R are true but R is not the correct explanation of A
- A is true but R is false
- Both A and R are false