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 major component of the carbon cycle?
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Atmosphere
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Hydrosphere
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Biosphere
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Lithosphere
D
Correct answer
Explanation
The lithosphere is not a major component of the carbon cycle. The carbon cycle primarily involves the exchange of carbon between the atmosphere, hydrosphere, and biosphere.
Which of the following is NOT a greenhouse gas that contributes to the greenhouse effect?
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Carbon dioxide
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Methane
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Water vapor
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Nitrogen
D
Correct answer
Explanation
Nitrogen is not a greenhouse gas. Greenhouse gases are gases that trap heat in the Earth's atmosphere, contributing to the greenhouse effect.
Which of the following is NOT a major reservoir of carbon in the Earth's system?
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Atmosphere
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Hydrosphere
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Biosphere
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Geosphere
D
Correct answer
Explanation
The geosphere is not a major reservoir of carbon in the Earth's system. The major reservoirs of carbon are the atmosphere, hydrosphere, and biosphere.
Which greenhouse gas is primarily responsible for trapping heat in the Earth's atmosphere?
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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 most significant greenhouse gas, accounting for approximately 64% of the total greenhouse effect.
Which greenhouse gas is the primary 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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Water Vapor (H2O)
A
Correct answer
Explanation
Carbon dioxide is the most significant greenhouse gas responsible for climate change. It is produced by human activities such as burning fossil fuels, deforestation, and industrial processes.
What is the primary source of carbon dioxide emissions globally?
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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, primarily from fossil fuel-based power plants, is the largest contributor to carbon dioxide emissions worldwide.
Which sector is responsible for the largest share of methane emissions globally?
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Agriculture
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Transportation
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Industrial Processes
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Electricity Generation
A
Correct answer
Explanation
Agriculture, particularly livestock production and rice cultivation, is the primary source of methane emissions globally.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide
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Methane
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Oxygen
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Water vapor
C
Correct answer
Explanation
Oxygen is not a greenhouse gas, as it does not trap heat in the atmosphere like carbon dioxide, methane, and water vapor.