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
Which of the following is NOT a greenhouse gas?
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Carbon dioxide
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Methane
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Nitrous oxide
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Oxygen
D
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not absorb infrared radiation.
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, as it does not absorb infrared radiation.
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.
Which of the following is a major source of greenhouse gas emissions?
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Agriculture
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Transportation
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Industry
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All of the Above
D
Correct answer
Explanation
Agriculture, transportation, and industry are all major sources of greenhouse gas emissions. Agriculture contributes through activities such as livestock production and deforestation, transportation through the burning of fossil fuels, and industry through the use of energy and the production of goods.
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, while carbon dioxide, methane, and water vapor are all greenhouse gases that contribute to climate change.
What is the primary greenhouse gas emitted during the manufacturing of cement?
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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
Cement production is a major source of carbon dioxide emissions due to the calcination of limestone.
Which of the following manufacturing industries is a major contributor to greenhouse gas emissions?
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Cement production
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Steel production
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Chemical production
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Food processing
A
Correct answer
Explanation
Cement production is a significant source of greenhouse gas emissions, particularly carbon dioxide, due to the calcination of limestone.
What is the primary greenhouse gas responsible for global warming?
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Carbon Dioxide (CO2)
-
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.
Which of the following is an example of 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)
A
Correct answer
Explanation
Carbon Dioxide (CO2) is an example of a greenhouse gas that traps heat in the atmosphere, contributing to global warming.
Which toxic chemical is a potent greenhouse gas with a global warming potential 25 times higher than carbon dioxide?
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Hydrofluorocarbons (HFCs)
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Perfluorocarbons (PFCs)
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Sulfur hexafluoride (SF6)
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Chlorofluorocarbons (CFCs)
C
Correct answer
Explanation
Sulfur hexafluoride (SF6) is a potent greenhouse gas with a global warming potential 25 times higher than carbon dioxide. It is primarily used in electrical equipment, such as circuit breakers and transformers, and its emissions contribute to climate change.
What is the role of wetlands in the global carbon cycle?
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They are a source of carbon dioxide
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They are a sink for carbon dioxide
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They have no role in the global carbon cycle
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They release methane, a greenhouse gas
B
Correct answer
Explanation
Wetlands are a sink for carbon dioxide, meaning they absorb more carbon dioxide than they release. This is due to the presence of plants and microorganisms that use carbon dioxide for photosynthesis and growth.
What is the primary source of methane emissions from wetlands?
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Decomposition of organic matter
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Volcanic activity
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Industrial processes
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Transportation
A
Correct answer
Explanation
The primary source of methane emissions from wetlands is the decomposition of organic matter by microorganisms in the absence of oxygen.
What is the primary greenhouse gas responsible for global warming?
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Carbon dioxide
-
Methane
-
Nitrous oxide
-
Water vapor
-
Oxygen
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas contributing to global warming due to its ability to trap heat in the atmosphere.
What is the primary greenhouse gas emitted by the burning of fossil fuels?
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Carbon dioxide
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Methane
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Nitrous oxide
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Sulfur dioxide
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas emitted by the burning of fossil fuels, contributing significantly to global warming.
Which greenhouse gas is primarily responsible for absorbing terrestrial radiation and contributing to the greenhouse effect?
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Carbon Dioxide
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Methane
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Nitrous Oxide
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Water Vapor
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas responsible for absorbing terrestrial radiation and contributing to the greenhouse effect, trapping heat in Earth's atmosphere.