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 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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Electricity and Heat Production
D
Correct answer
Explanation
Electricity and heat production is the largest contributor to greenhouse gas emissions globally, accounting for approximately 25% of total emissions.
What gas is primarily responsible for the greenhouse effect caused by agricultural emissions?
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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)
B
Correct answer
Explanation
Methane is a potent greenhouse gas with a global warming potential 25 times higher than carbon dioxide and is primarily emitted from livestock enteric fermentation and manure management.
What is the primary source of hydrogen sulfide (H2S) emissions in agricultural settings?
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Crop residues
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Livestock manure
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Fertilizer application
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Pesticide use
B
Correct answer
Explanation
Livestock manure, particularly from intensive animal production systems, is a major source of hydrogen sulfide emissions due to the decomposition of organic matter and the release of sulfur-containing compounds.
What is the primary source of methane (CH4) emissions in agricultural settings?
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Crop residues
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Livestock manure
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Fertilizer application
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Pesticide use
B
Correct answer
Explanation
Livestock manure, particularly from ruminant animals such as cattle and sheep, is a major source of methane emissions due to the enteric fermentation process and the decomposition of organic matter.
What is the primary greenhouse gas responsible for human-induced 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 human-induced climate change. It is released into the atmosphere through the burning of fossil fuels, deforestation, and other human activities.
What is the primary source of carbon dioxide (CO2) emissions globally?
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Transportation
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Electricity generation
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Industrial processes
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Agriculture
B
Correct answer
Explanation
Electricity generation is the primary source of carbon dioxide (CO2) emissions globally, accounting for approximately 25% of total emissions. This is primarily due to the burning of fossil fuels, such as coal and natural gas, to generate electricity.
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 is not a greenhouse gas because it does not absorb and trap heat in the atmosphere.
Which air pollutant is primarily responsible for the greenhouse effect?
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Carbon dioxide (CO2)
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Sulfur dioxide (SO2)
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Nitrogen oxides (NOx)
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Particulate matter (PM)
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas responsible for trapping heat in the atmosphere and contributing to global warming.
What are some of the specific greenhouse gases that are addressed by the Kyoto Protocol?
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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
The Kyoto Protocol addresses a wide range of greenhouse gases, including carbon dioxide, methane, nitrous oxide, and hydrofluorocarbons.
What are some of the specific greenhouse gases that are addressed by the Paris Agreement?
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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
The Paris Agreement addresses a wide range of greenhouse gases, including carbon dioxide, methane, nitrous oxide, and hydrofluorocarbons.
Which of the following is a greenhouse gas that contributes to global warming?
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Carbon dioxide
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Oxygen
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Nitrogen
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Argon
A
Correct answer
Explanation
Carbon dioxide is a greenhouse gas that traps heat in the Earth's atmosphere, leading to an increase in global temperatures and contributing to climate change.
Which of the following is NOT a greenhouse gas?
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Carbon Dioxide (CO2)
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Oxygen (O2)
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Methane (CH4)
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Water Vapor (H2O)
B
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not absorb and trap heat in the atmosphere like other greenhouse gases such as CO2, CH4, and H2O.
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, contributing significantly to the greenhouse effect.
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, including manufacturing and construction, is the largest contributor to greenhouse gas emissions globally, accounting for a significant portion of total emissions.
Which industry is responsible for the largest share of global greenhouse gas emissions?
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Transportation
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Agriculture
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Industry
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Electricity Generation
C
Correct answer
Explanation
Industry is responsible for approximately 24% of global greenhouse gas emissions, making it the largest contributor to climate change.