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
What is the primary greenhouse gas responsible for the greenhouse effect on Earth?
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Carbon dioxide (CO2)
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Water vapor (H2O)
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Methane (CH4)
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Nitrous oxide (N2O)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas responsible for the greenhouse effect on Earth. It absorbs and re-emits infrared radiation, trapping heat in the atmosphere and causing the planet's temperature to rise.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide (CO2)
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Water vapor (H2O)
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Oxygen (O2)
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Methane (CH4)
C
Correct answer
Explanation
Oxygen (O2) is not a greenhouse gas. Greenhouse gases are gases that absorb and re-emit infrared radiation, trapping heat in the atmosphere. Oxygen does not have this property.
Which of the following is a major contributor to greenhouse gas emissions?
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Transportation
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Electricity Generation
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Agriculture
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Industrial Activities
C
Correct answer
Explanation
Agriculture, particularly livestock production, is a significant source of greenhouse gases, including methane and nitrous oxide, which contribute to climate change.
Which greenhouse gas is primarily responsible for the enhanced greenhouse effect and 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 contributing to the enhanced greenhouse effect and global warming. It is released into the atmosphere through human activities such as burning fossil fuels and deforestation.
Which of the following is a major source of methane (CH4) emissions, contributing to climate change?
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Deforestation
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Industrial Processes
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Transportation
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Livestock Production
D
Correct answer
Explanation
Livestock Production, particularly the raising of cattle and other ruminants, is a major source of methane emissions due to the digestive processes of these animals.
Which greenhouse gas is primarily responsible for the enhanced 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 the enhanced greenhouse effect, contributing significantly to global warming.
Which of the following is NOT a greenhouse gas emitted by the health care industry?
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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.
What is the main greenhouse gas responsible for global warming?
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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
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 NOT a greenhouse gas?
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Carbon dioxide
-
Methane
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Oxygen
-
Water vapor
C
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not absorb and trap heat in the atmosphere like carbon dioxide, methane, and water vapor do.
Which greenhouse gas is primarily responsible for the enhanced greenhouse effect and global warming?
-
Carbon dioxide (CO2)
-
Methane (CH4)
-
Nitrous oxide (N2O)
-
Water vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas responsible for the enhanced greenhouse effect and global warming. It is released into the atmosphere through human activities such as the burning of fossil fuels and deforestation.
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
Industry is the largest contributor to greenhouse gas emissions globally, accounting for approximately 21% of total emissions. This includes emissions from manufacturing, mining, and construction activities.
What is the primary greenhouse gas emitted by human activities?
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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 primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for energy production and transportation.
Which of the following is NOT a greenhouse gas emitted during the production of fast fashion?
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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 emitted during the production of fast fashion.
Which type of fertilizer is most commonly associated with nitrous oxide emissions?
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Urea
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Ammonium Nitrate
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Potassium Nitrate
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Superphosphate
B
Correct answer
Explanation
Ammonium nitrate is the type of fertilizer most commonly associated with nitrous oxide emissions, as it contains a high concentration of nitrogen in the form of nitrate, which can be easily converted to nitrous oxide.
What is the primary greenhouse gas emitted by livestock during digestion?
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Carbon dioxide
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Methane
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Nitrous oxide
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Hydrofluorocarbons
B
Correct answer
Explanation
Methane is the primary greenhouse gas emitted by livestock during digestion, contributing to climate change.