Environmental Studies ยท General Awareness
Greenhouse Gases and Atmosphere
1,328 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 primary greenhouse gas emitted by human activities that contributes to 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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Sulfur dioxide (SO2)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels, and is a major contributor to global warming.
Which of the following greenhouse gases is NOT produced by human activities?
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Carbon dioxide
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Methane
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Nitrous oxide
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Water vapor
D
Correct answer
Explanation
Water vapor is a naturally occurring greenhouse gas that is not produced by human activities.
What is the main source of methane emissions?
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Agriculture
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Landfills
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Natural gas production
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All of the above.
D
Correct answer
Explanation
Agriculture, landfills, and natural gas production are all major sources of methane emissions.
What is the primary greenhouse gas emitted by human activities?
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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
Carbon dioxide is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for energy production and transportation.
What is the primary source of greenhouse gas emissions contributing to climate change and its impacts on India's coastal areas?
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Deforestation and land-use changes
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Industrial activities and energy production
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Agricultural practices and livestock production
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All of the above
D
Correct answer
Explanation
Climate change is primarily driven by human activities that release greenhouse gases into the atmosphere. These activities include deforestation, industrial activities, energy production, and agricultural practices.
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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Oxygen (O2)
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Nitrous oxide (N2O)
C
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not trap heat in the Earth's atmosphere.
What is the primary source of greenhouse gas emissions in the United States?
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Transportation
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Electricity generation
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Agriculture
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Industrial processes
A
Correct answer
Explanation
Transportation is the primary source of greenhouse gas emissions in the United States, accounting for approximately 29% of total emissions.
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 absorb and trap heat in the atmosphere like carbon dioxide, methane, and water vapor do.
How does food waste contribute to greenhouse gas emissions?
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Food waste decomposes in landfills and produces methane, a greenhouse gas.
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Food waste is transported long distances, which requires energy and produces greenhouse gases.
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Food waste is often packaged in materials that are not biodegradable, which can contribute to greenhouse gas emissions.
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All of the above
D
Correct answer
Explanation
Food waste contributes to greenhouse gas emissions in a number of ways, including decomposing in landfills and producing methane, being transported long distances which requires energy and produces greenhouse gases, and being packaged in materials that are not biodegradable.
What is the primary gaseous product obtained from pyrolysis of organic materials?
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Hydrogen
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Carbon dioxide
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Methane
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Syngas
D
Correct answer
Explanation
Pyrolysis of organic materials typically produces a mixture of gases known as syngas, which primarily consists of hydrogen (H2) and carbon monoxide (CO).
What is the primary greenhouse gas emitted during the decomposition of food waste in landfills?
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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
B
Correct answer
Explanation
Methane is the primary greenhouse gas emitted during the decomposition of food waste in landfills.
What is the primary greenhouse gas emitted by agricultural activities?
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Carbon dioxide
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Methane
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Nitrous oxide
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Hydrofluorocarbons
B
Correct answer
Explanation
Methane is the primary greenhouse gas emitted by agricultural activities, particularly from livestock production and rice cultivation.
How does food waste increase greenhouse gas emissions?
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It releases methane during decomposition
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It contributes to the production of nitrous oxide
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It leads to the release of carbon dioxide
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All of the above
D
Correct answer
Explanation
Food waste increases greenhouse gas emissions by releasing methane during decomposition, contributing to the production of nitrous oxide, and leading to the release of carbon dioxide.
Which technology enables the capture and storage of carbon dioxide from the atmosphere?
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Carbon Capture and Storage (CCS)
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Carbon Capture and Utilization (CCU)
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Carbon Sequestration
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Carbon Pricing
A
Correct answer
Explanation
Carbon Capture and Storage (CCS) involves capturing carbon dioxide from industrial processes or the atmosphere and storing it underground or in geological formations to prevent its release into the environment.
How do concert tours contribute to greenhouse gas emissions?
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By burning fossil fuels in airplanes and tour buses
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By generating waste from concert merchandise and packaging
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By consuming large amounts of energy for lighting and sound systems
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All of the above
D
Correct answer
Explanation
Concert tours contribute to greenhouse gas emissions through a combination of factors, including burning fossil fuels in airplanes and tour buses, generating waste from concert merchandise and packaging, and consuming large amounts of energy for lighting and sound systems.