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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Oxygen
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Methane
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Nitrous oxide
B
Correct answer
Explanation
Oxygen is not a greenhouse gas, as it does not trap heat in the atmosphere like carbon dioxide, methane, and nitrous oxide.
Which of the following is NOT a greenhouse gas emitted from landfills?
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Carbon dioxide
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Methane
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Nitrogen
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Oxygen
D
Correct answer
Explanation
Landfills emit greenhouse gases such as carbon dioxide and methane, but not nitrogen or oxygen.
Which of the following greenhouse gases is primarily responsible for the climate impact of air travel?
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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 emitted by aircraft engines during combustion of jet fuel. It contributes significantly to the overall climate impact of air travel.
How does air travel contribute to the greenhouse effect?
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By releasing water vapor into the atmosphere
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By reflecting sunlight back into space
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By releasing carbon dioxide and other greenhouse gases
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By increasing cloud cover
C
Correct answer
Explanation
Air travel contributes to the greenhouse effect primarily by releasing carbon dioxide (CO2) and other greenhouse gases, such as methane (CH4) and nitrous oxide (N2O), into the atmosphere during the combustion of jet fuel.
Which sector of the aviation industry is responsible for the majority of greenhouse gas emissions?
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Passenger flights
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Cargo flights
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Private jets
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Military flights
A
Correct answer
Explanation
Passenger flights account for the majority of greenhouse gas emissions in the aviation industry, as they carry a large number of passengers and often fly long distances.
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 (CO2) is the primary greenhouse gas emitted by the burning of fossil fuels, contributing to the greenhouse effect and global warming.
What is the main greenhouse gas emitted by the use of fossil fuels?
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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
A
Correct answer
Explanation
The main greenhouse gas emitted by the use of fossil fuels is carbon dioxide.
What is the primary component of biogas?
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Carbon dioxide
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Oxygen
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Methane
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Nitrogen
C
Correct answer
Explanation
Biogas primarily consists of methane, a combustible gas produced during the anaerobic digestion of organic matter.
Which of the following is NOT a greenhouse gas emitted during the production, transportation, and use of fashion products?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Nitrogen (N2)
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Nitrous Oxide (N2O)
C
Correct answer
Explanation
Nitrogen (N2) is not a greenhouse gas directly emitted by the fashion industry. Carbon Dioxide (CO2), Methane (CH4), and Nitrous Oxide (N2O) are the primary greenhouse gases associated with fashion production and consumption.
Which sector is responsible for the largest share of global greenhouse gas emissions?
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Transportation
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Electricity generation
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Industry
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Agriculture
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Residential and commercial buildings
B
Correct answer
Explanation
Electricity generation is the largest contributor to global greenhouse gas emissions, accounting for approximately 25% of the total.
Which of the following is a major contributor to greenhouse gas emissions in the fashion industry?
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Cotton production
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Synthetic fiber production
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Transportation of goods
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All of the above
D
Correct answer
Explanation
The fashion industry is responsible for a significant amount of greenhouse gas emissions, which contribute to climate change. This is due to the energy and resources required to produce, transport, and sell clothing and accessories.
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, contributing to the greenhouse effect by trapping heat in the Earth's atmosphere.
Which sector is responsible for the largest share of global greenhouse gas emissions?
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Energy
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Transportation
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Agriculture
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Industry
A
Correct answer
Explanation
The energy sector, particularly the burning of fossil fuels for electricity generation and transportation, is responsible for the largest share of global greenhouse gas emissions.
Which greenhouse gas contributes the most 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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Hydrofluorocarbons (HFCs)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the most significant greenhouse gas contributing to climate change, primarily due to human activities such as the burning of fossil fuels for energy production and transportation.
Which sector is the largest contributor to global greenhouse gas emissions?
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Transportation
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Electricity generation
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Agriculture
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Industrial processes
B
Correct answer
Explanation
Electricity generation, particularly from fossil fuel-based power plants, is the largest contributor to global greenhouse gas emissions, accounting for approximately 25% of the total.