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 relationship between permafrost and the carbon cycle?
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Permafrost stores large amounts of carbon
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Permafrost releases carbon dioxide into the atmosphere
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Permafrost absorbs carbon dioxide from the atmosphere
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None of the above
A
Correct answer
Explanation
Permafrost stores large amounts of carbon, which can be released into the atmosphere as carbon dioxide when permafrost melts.
What is the primary greenhouse gas emitted during the manufacturing of electronic devices?
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Carbon dioxide
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Methane
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Nitrous oxide
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Hydrofluorocarbons
D
Correct answer
Explanation
Hydrofluorocarbons (HFCs) are potent greenhouse gases commonly used in the manufacturing of electronic devices.
What is the primary mechanism by which soil contributes to the greenhouse effect?
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By releasing methane
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By releasing nitrous oxide
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By releasing carbon dioxide
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By releasing all of the above gases
C
Correct answer
Explanation
Soil is a significant source of carbon dioxide emissions, primarily through the decomposition of organic matter and the release of carbon dioxide into the atmosphere.
Which of the following is NOT a factor that can contribute to the greenhouse effect on a planet?
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Carbon Dioxide
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Water Vapor
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Methane
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Oxygen
D
Correct answer
Explanation
Oxygen does not contribute significantly to the greenhouse effect as it does not absorb infrared radiation effectively.
Which of the following is an example of a greenhouse gas?
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Oxygen
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Carbon dioxide
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Nitrogen
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Argon
B
Correct answer
Explanation
Carbon dioxide is a greenhouse gas that traps heat in the atmosphere, contributing to global warming.
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 (CO2) is the primary greenhouse gas responsible for global warming. It is released into the atmosphere through human activities such as burning fossil fuels and deforestation.
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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Nitrous Oxide (N2O)
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Oxygen (O2)
D
Correct answer
Explanation
Oxygen (O2) is not a greenhouse gas.
Which of the following is a major contributor to greenhouse gas emissions in the fashion industry?
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Cotton farming
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Synthetic fiber production
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Textile dyeing and finishing
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All of the above
D
Correct answer
Explanation
Cotton farming, synthetic fiber production, and textile dyeing and finishing are all major contributors to greenhouse gas emissions in the fashion industry. Cotton farming requires large amounts of water and energy, and the use of pesticides and fertilizers can release greenhouse gases into the atmosphere. Synthetic fiber production also releases greenhouse gases, and the dyeing and finishing processes often use chemicals that can contribute to climate change.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide
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Methane
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Nitrogen
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Water vapor
C
Correct answer
Explanation
Nitrogen is not a greenhouse gas, as it does not trap heat in the atmosphere like carbon dioxide, methane, and water vapor do.
What is the estimated global capacity for carbon storage?
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100 gigatons of CO2
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1,000 gigatons of CO2
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10,000 gigatons of CO2
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100,000 gigatons of CO2
C
Correct answer
Explanation
Estimates suggest that the global capacity for carbon storage in geological formations is in the range of 10,000 gigatons of CO2, providing significant potential for long-term storage of captured carbon.
Which sector is responsible for the majority of CO2 emissions that can be captured and stored through CCS?
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Transportation
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Residential and commercial buildings
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Industrial processes
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Agriculture
C
Correct answer
Explanation
Industrial processes, such as cement production, steel manufacturing, and chemical processing, are responsible for a significant portion of CO2 emissions that can be captured and stored through CCS.
Which of the following is NOT a greenhouse gas emitted by the fashion industry?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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Oxygen (O2)
D
Correct answer
Explanation
Oxygen is not a greenhouse gas, while carbon dioxide, methane, and nitrous oxide are.
Which technology involves the direct capture of CO2 from the ambient air?
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Direct air capture (DAC)
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Carbon capture and utilization (CCU)
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Enhanced oil recovery (EOR)
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Chemical looping combustion (CLC)
A
Correct answer
Explanation
Direct air capture (DAC) technologies aim to remove CO2 directly from the ambient air using various methods, such as chemical absorption, adsorption, or membrane separation.
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 is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels.
Which metric assesses the potential contribution of a chemical substance to global warming?
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Global Warming Potential
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Ozone Depletion Potential
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Photochemical Ozone Creation Potential
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Acidification Potential
A
Correct answer
Explanation
Global Warming Potential quantifies the heat-trapping ability of a greenhouse gas relative to carbon dioxide, providing insights into its contribution to climate change.