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Greenhouse Gases MCQ Questions & Answers

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

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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

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Question 3

By how much has atmospheric carbon dioxide concentration increased ever since the Industrial Revolution?

A. 20%
B. 10%
C. 40%
D. 60%

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Question 4

Clouds help in cooling down the planet and do not contribute to greenhouse effect.

A. True
B. False

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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

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Question 6

Volcanic eruptions contribute to the global greenhouse phenomenon.

A. True
B. False

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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

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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

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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

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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

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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

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Question 12

What is the GWP of methane over a time period of 20 years?

A. 86
B. 34
C. 43
D. 67

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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

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Question 14

Which is the most abundant greenhouse gas in the atmosphere?

A. Carbon dioxide
B. Water vapour
C. Methane
D. Nitrogen

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Question 15

Which of the following bodies in the solar system has anti-greenhouse effect?

A. Jupiter
B. Mars
C. Titan
D. Venus

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Question 16

Which of the following compounds have the highest GWP?

A. Nitrous oxide
B. CFC
C. Water vapour
D. Sulphur hexafluoride

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Question 17

Which of the following gases has the highest radiative efficiency?

A. Sulphur hexafluoride
B. Carbon tetrachloride
C. PFTBA
D. CFC

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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

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Question 19

Which of the following mentioned GHGs has the highest atmospheric lifetime?

A. Carbon tetrafluoride
B. Nitrous oxide
C. Methane
D. CFC

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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

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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

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