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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Nitrogen Dioxide
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Water Vapor
C
Correct answer
Explanation
Nitrogen Dioxide is not a greenhouse gas, while Carbon Dioxide, Methane, and Water Vapor are.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide (CO2)
-
Methane (CH4)
-
Nitrogen (N2)
-
Water vapor (H2O)
C
Correct answer
Explanation
Nitrogen is not a greenhouse gas because it does not absorb infrared radiation.
Which of the following is NOT a greenhouse gas emitted by human activities?
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Carbon dioxide (CO2)
-
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 because it does not absorb infrared radiation.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide (CO2)
-
Methane (CH4)
-
Nitrous oxide (N2O)
-
Oxygen (O2)
D
Correct answer
Explanation
Oxygen (O2) is not a greenhouse gas, as it does not absorb and trap heat in the atmosphere like greenhouse gases do.
Which greenhouse gas is primarily responsible for the enhanced greenhouse effect?
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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 the enhanced greenhouse effect. It is released into the atmosphere through human activities such as burning fossil fuels.
Which sector is the largest contributor to greenhouse gas emissions globally?
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Transportation
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Industry
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Agriculture
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Residential and commercial buildings
B
Correct answer
Explanation
The industry sector is the largest contributor to greenhouse gas emissions globally, accounting for approximately 21% of total emissions. It includes emissions from manufacturing, mining, and construction activities.
Which of the following is NOT a greenhouse gas?
-
Carbon dioxide (CO2)
-
Methane (CH4)
-
Nitrogen (N2)
-
Water vapor (H2O)
C
Correct answer
Explanation
Nitrogen (N2) is not a greenhouse gas because it does not absorb and emit infrared radiation in the atmosphere. Greenhouse gases, such as carbon dioxide and methane, trap heat in the atmosphere, leading to the greenhouse effect.
What is the primary source of ammonia emissions in agriculture?
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Livestock manure
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Fertilizers
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Crop residues
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Pesticides
A
Correct answer
Explanation
Livestock manure is the primary source of ammonia emissions in agriculture, as it contains high levels of nitrogen compounds that can volatilize into the atmosphere.
Which of the following is NOT a greenhouse gas?
-
Carbon dioxide
-
Methane
-
Nitrous oxide
-
Oxygen
D
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not trap heat in the atmosphere.
Wetlands play a crucial role in the global carbon cycle by:
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Storing carbon dioxide
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Releasing oxygen
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Reducing methane emissions
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All of the above
D
Correct answer
Explanation
Wetlands contribute to climate regulation by storing carbon dioxide, releasing oxygen, and reducing methane emissions.
Which air pollutant is a greenhouse gas that contributes to climate change?
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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 greenhouse gases that contribute to climate change by trapping heat in the atmosphere.
What is the primary greenhouse gas emitted from soil?
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Carbon dioxide (CO2)
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Methane (CH4)
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Nitrous oxide (N2O)
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All of the above
D
Correct answer
Explanation
Soil is a source of all three greenhouse gases: carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O). These gases are released into the atmosphere through various processes, such as microbial decomposition of organic matter, root respiration, and fertilizer application.
What is the primary greenhouse gas responsible for global warming?
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Oxygen
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Carbon Dioxide
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Nitrogen
-
Argon
B
Correct answer
Explanation
Carbon Dioxide (CO2) is the main greenhouse gas contributing to global warming.
Which of the following is NOT a greenhouse gas?
-
Carbon dioxide
-
Methane
-
Oxygen
-
Nitrous oxide
C
Correct answer
Explanation
Oxygen is not a greenhouse gas. Greenhouse gases are gases that trap heat in the atmosphere, causing the Earth's temperature to rise. Oxygen is a vital gas for life on Earth, but it does not contribute to the greenhouse effect.
Which of the following is NOT a greenhouse gas?
-
Carbon dioxide
-
Methane
-
Nitrogen
-
Water vapor
C
Correct answer
Explanation
Nitrogen is not a greenhouse gas, as it does not trap heat in the atmosphere.