Environmental Studies ยท General Awareness
Greenhouse Gases and Atmosphere
1,262 Questions
Review important questions related to greenhouse gases, global warming, and atmospheric changes. The practice set focuses on identifying major pollutants and their environmental impact. These concepts are tested in the general awareness and environmental studies sections.
Greenhouse gas identificationGlobal warming processAtmospheric carbon dioxideMethane emissionsCement production emissions
Greenhouse Gases and Atmosphere Questions
Which greenhouse gas is primarily responsible for the enhanced greenhouse effect and global warming?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Water Vapor (H2O)
A
Correct answer
Explanation
Carbon Dioxide (CO2) is the main greenhouse gas contributing to the enhanced greenhouse effect and subsequent global warming.
What is the primary greenhouse gas in the Earth's atmosphere?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas in the Earth's atmosphere, accounting for approximately 60% of the greenhouse effect.
Which of the following is NOT a major component of the atmosphere?
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Nitrogen
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Oxygen
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Carbon dioxide
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Argon
C
Correct answer
Explanation
Carbon dioxide is a minor component of the atmosphere, making up only about 0.04% of its volume.
What is the primary greenhouse gas emitted by public transportation vehicles?
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Carbon dioxide
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Methane
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Nitrous oxide
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Hydrofluorocarbons
A
Correct answer
Explanation
Public transportation vehicles, particularly those powered by fossil fuels, emit carbon dioxide as a primary greenhouse gas, contributing to climate change.
Which greenhouse gas is primarily responsible for human-induced climate change?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Water Vapor (H2O)
A
Correct answer
Explanation
Carbon Dioxide (CO2) is the primary greenhouse gas responsible for human-induced climate change, contributing approximately 64% of the total greenhouse effect.
Which sector is the largest contributor to global greenhouse gas emissions?
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Transportation
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Industry
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Agriculture
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Residential and Commercial Buildings
A
Correct answer
Explanation
Transportation is the largest contributor to global greenhouse gas emissions, accounting for approximately 24% of total emissions.
Which greenhouse gas has the highest global warming potential?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Water Vapor (H2O)
B
Correct answer
Explanation
Methane (CH4) has a global warming potential 25 times higher than carbon dioxide (CO2) over a 100-year period.
What is the primary greenhouse gas emitted by human activities?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Water Vapor (H2O)
A
Correct answer
Explanation
Carbon Dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for energy production and transportation.
Which of the following is NOT a greenhouse gas?
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Carbon Dioxide (CO2)
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Oxygen (O2)
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Methane (CH4)
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Nitrous Oxide (N2O)
B
Correct answer
Explanation
Oxygen (O2) is not a greenhouse gas because it does not absorb and trap heat in the atmosphere like other greenhouse gases.
What was the main factor contributing to the greenhouse effect and global warming in the 21st century?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide (CO2) emissions from human activities, particularly the burning of fossil fuels, are the primary cause of the greenhouse effect and global warming.
Which of the following is an example of a greenhouse gas?
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Carbon dioxide
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Methane
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Nitrous oxide
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All of the above
D
Correct answer
Explanation
Carbon dioxide, methane, and nitrous oxide are all examples of greenhouse gases, which contribute to the greenhouse effect and global warming.
What is the primary greenhouse gas emitted by human activities?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for energy production and transportation.
Which human activity is a major contributor to greenhouse gas emissions?
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Renewable energy production
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Forest conservation
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Fossil fuel burning
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Organic farming
C
Correct answer
Explanation
Fossil fuel burning releases greenhouse gases into the atmosphere, contributing to climate change.
What is the primary greenhouse gas responsible for global warming?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide is the most significant greenhouse gas contributing to global warming due to its high concentration in the atmosphere and its ability to absorb and trap heat.
What is the primary greenhouse gas emitted by human activities?
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Carbon dioxide (CO2)
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Methane (CH4)
-
Nitrous oxide (N2O)
-
Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels.