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
What is the term used to describe the process by which humans release greenhouse gases into the atmosphere, contributing to climate change?
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Carbon sequestration
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Carbon capture
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Carbon storage
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Carbon emissions
D
Correct answer
Explanation
Carbon emissions refer to the release of greenhouse gases, primarily carbon dioxide, into the atmosphere as a result of human activities, such as burning fossil fuels.
Which greenhouse gas is primarily responsible for the rise in global temperatures and the subsequent effects on coastal erosion?
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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 contributing to global warming and the associated impacts on coastal erosion.
What is the term for the process by which carbon dioxide and other greenhouse gases trap heat in the Earth's atmosphere, leading to global warming?
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Greenhouse effect
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Global warming
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Climate change
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Carbon cycle
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Ozone depletion
A
Correct answer
Explanation
The greenhouse effect is the process by which certain gases in the Earth's atmosphere, such as carbon dioxide and methane, trap heat and cause the planet to warm.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrogen (N2)
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Water vapor (H2O)
C
Correct answer
Explanation
Nitrogen (N2) is not a greenhouse gas because it does not absorb infrared radiation emitted by the Earth's surface.
What percentage of global greenhouse gas emissions are attributed to buildings?
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10-20%
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20-30%
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30-40%
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40-50%
C
Correct answer
Explanation
Buildings are responsible for approximately 30-40% of global greenhouse gas emissions, primarily due to the energy used for heating, cooling, and lighting.
Which of the following is NOT a greenhouse gas?
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Carbon Dioxide
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Methane
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Oxygen
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Water Vapor
C
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not absorb and trap heat in the atmosphere like carbon dioxide, methane, and water vapor.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrogen (N2)
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Water vapor (H2O)
C
Correct answer
Explanation
Nitrogen is not a greenhouse gas because it does not absorb infrared radiation.
Which sector contributes the most 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 sector that contributes the most to global greenhouse gas emissions, accounting for about 23% of total emissions.
Which greenhouse gas is primarily responsible for the increase in global temperatures due to 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, contributing significantly to the increase in global temperatures and the resulting climate change.
What is the primary greenhouse gas responsible for 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 climate change. It is released into the atmosphere through human activities such as burning fossil fuels, deforestation, and industrial processes.
What is the primary greenhouse gas emitted by transportation?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Hydrofluorocarbons (HFCs)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by transportation, accounting for over 70% of the sector's total emissions.
What is the primary greenhouse gas emitted by diesel engines?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrous Oxide (N2O)
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Black Carbon
D
Correct answer
Explanation
Diesel engines emit significant amounts of black carbon, a type of particulate matter that contributes to climate change and air pollution.
Which air pollutant is primarily responsible for the greenhouse effect and global warming?
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Carbon Dioxide
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Methane
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Nitrous Oxide
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Sulfur Hexafluoride
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas responsible for trapping heat in the atmosphere, leading to global warming and climate change.
Which of the following is a major contributor to greenhouse gas emissions?
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Deforestation
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Industrial activities
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Transportation
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All of the above
D
Correct answer
Explanation
Deforestation, industrial activities, and transportation are all major contributors to greenhouse gas emissions, which contribute to climate change and global warming.
Which of the following greenhouse gases is primarily emitted from the application of nitrogen-based fertilizers?
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Carbon Dioxide (CO2)
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Nitrous Oxide (N2O)
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Methane (CH4)
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Ammonia (NH3)
B
Correct answer
Explanation
Nitrous oxide (N2O) is the primary greenhouse gas emitted from the application of nitrogen-based fertilizers. It is a potent greenhouse gas with a global warming potential 298 times greater than carbon dioxide (CO2).