Greenhouse Gases MCQs : This section focuses on the "Greenhouse Gases". These Multiple Choice Questions (MCQs) should be practiced to improve the Greenhouse Gases skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
Anthropogenic sources of carbon dioxide are 20 times greater than natural carbon dioxide sources.
A. True
B. False
Question 2
Apart from Earth, which other celestial body(s) exhibits greenhouse gas effect?
A. Venus
B. Mars
C. Titan
D. All of the mentioned
Question 3
By how much has atmospheric carbon dioxide concentration increased ever since the Industrial Revolution?
A. 20%
B. 10%
C. 40%
D. 60%
Question 4
Clouds help in cooling down the planet and do not contribute to greenhouse effect.
A. True
B. False
Question 5
The GWP depends on which of the following factors?
A. Absorption capability of IR radiations
B. Atmospheric life-time
C. Range of IR wavelengths it can absorb
D. All of the mentioned
Question 6
Volcanic eruptions contribute to the global greenhouse phenomenon.
A. True
B. False
Question 7
What does “airborne fraction” with respect to greenhouse gases indicate?
A. Amount of greenhouse gases that are released into air due to industrial process
B. Proportion of greenhouse gases in air to all the other atmospheric gases
C. Proportion of greenhouse gas emission that remain even after a specified time
D. None of the mentioned
Question 8
What does GWP in the context of greenhouse gases indicate?
A. Global Warming Parameters
B. Gradual Warming Pattern
C. Global Warming Patterns
D. Global Warming Potential
Question 9
What does the method of “enhanced weathering” infer?
A. It is a method used to spray sulphate aerosols to reduce the greenhouse effect
B. It is a method of cloud seeding that is done to reduce the contribution of clouds to greenhouse effect
C. It is a method used to remove CO2from the air
D. None of the mentioned
Question 10
What does the phrase “anthropogenic CO2 emissions” mean?
A. Human made CO2 emissions
B. Industrial CO2 emissions
C. Natural CO2 emissions
D. All of the mentioned
Question 11
What does the process of carbon sequestration mean?
A. Removal of CO2 from the atmosphere
B. Storage of CO2 by depositing in reservoir
C. Removal of CO2 from the atmosphere & Storage of CO2 by depositing in reservoir
D. None of the mentioned
Question 12
What is the GWP of methane over a time period of 20 years?
A. 86
B. 34
C. 43
D. 67
Question 13
What is the reason for extreme difference in temperatures at day and night in deserts?
A. Carbon dioxide concentrations are low in desert regions, therefore heat escapes easily
B. Sand has high heat conduction properties
C. Lack of moisture leads to escape of heat
D. All of the mentioned
Question 14
Which is the most abundant greenhouse gas in the atmosphere?
A. Carbon dioxide
B. Water vapour
C. Methane
D. Nitrogen
Question 15
Which of the following bodies in the solar system has anti-greenhouse effect?
A. Jupiter
B. Mars
C. Titan
D. Venus
Question 16
Which of the following compounds have the highest GWP?
A. Nitrous oxide
B. CFC
C. Water vapour
D. Sulphur hexafluoride
Question 17
Which of the following gases has the highest radiative efficiency?
A. Sulphur hexafluoride
B. Carbon tetrachloride
C. PFTBA
D. CFC
Question 18
Which of the following is a sink for carbon?
A. Wetlands
B. Old oil fields
C. Saline waterbodies
D. All of the mentioned
Question 19
Which of the following mentioned GHGs has the highest atmospheric lifetime?
A. Carbon tetrafluoride
B. Nitrous oxide
C. Methane
D. CFC
Question 20
Which of the following radiations of the sun do greenhouse gases trap?
A. Visible radiations
B. Infrared radiations
C. UV radiations
D. All the radiations
Question 21
Which of the following greenhouse gas is contributed by cattle farming?
A. Nitrous oxide
B. Methane
C. Carbon monoxide
D. All of the mentioned