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 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.
What is the most common greenhouse gas emitted by industry?
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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 most common greenhouse gas emitted by industry, accounting for approximately 76% of total 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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Water vapor
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by human activities, particularly through the burning of fossil fuels for energy production.
Which of the following greenhouse gases is the most potent?
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Carbon dioxide
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Methane
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Nitrous oxide
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Water vapor
B
Correct answer
Explanation
Methane is a more potent greenhouse gas than carbon dioxide, meaning that it traps more heat per molecule. Methane is also a more effective greenhouse gas than carbon dioxide because it has a longer atmospheric lifetime.
Which greenhouse gas is the most significant contributor to 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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Fluorinated gases (F-gases)
A
Correct answer
Explanation
Carbon dioxide is the most abundant greenhouse gas emitted by human activities. It is produced when fossil fuels are burned for energy, transportation, and industrial processes.
Which of these is a greenhouse gas?
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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, contributing to global warming.