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 mechanism for the removal of carbon dioxide from the atmosphere and its storage in the ocean?
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Photosynthesis
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Respiration
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Diffusion
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Volcanic activity
A
Correct answer
Explanation
Photosynthesis by marine phytoplankton is the primary mechanism for the removal of carbon dioxide from the atmosphere and its storage in the ocean.
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 emitted by human activities, such as the burning of fossil fuels for energy production and transportation.
Which economic sector is responsible for the largest share of global greenhouse gas emissions?
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Agriculture
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Manufacturing
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Services
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Transportation
D
Correct answer
Explanation
The transportation sector is responsible for the largest share of global greenhouse gas emissions, primarily due to the burning of fossil fuels in vehicles.
Which of the following is a greenhouse gas?
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Oxygen
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Nitrogen
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Carbon dioxide
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Argon
C
Correct answer
Explanation
Carbon dioxide is a greenhouse gas that traps heat in the Earth's atmosphere, contributing to global warming.
What is the primary component of Earth's atmosphere?
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Oxygen
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Nitrogen
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Carbon Dioxide
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Argon
B
Correct answer
Explanation
Nitrogen makes up approximately 78% of Earth's atmosphere by volume, while oxygen comprises about 21%.
What is the primary cause of the Earth's greenhouse effect?
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Oxygen
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Nitrogen
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Carbon Dioxide
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Argon
C
Correct answer
Explanation
Carbon dioxide and other greenhouse gases trap heat radiated from the Earth's surface, contributing to the greenhouse effect and regulating the planet's temperature.
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 because it does not absorb infrared radiation.
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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Lithosphere
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Biosphere
C
Correct answer
Explanation
The lithosphere is not a major component of the carbon cycle because it does not contain a significant amount of carbon.
Which of the following is not a major component of the nitrogen cycle?
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Atmosphere
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Hydrosphere
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Lithosphere
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Biosphere
C
Correct answer
Explanation
The lithosphere is not a major component of the nitrogen cycle because it does not contain a significant amount of nitrogen.
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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Lithosphere
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Biosphere
C
Correct answer
Explanation
The lithosphere is not a major component of the carbon cycle because it does not contain a significant amount of carbon.
Which of the following is a major greenhouse gas?
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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
Carbon dioxide, methane, and nitrous oxide are all major greenhouse gases that contribute to climate change.
What is the primary cause of the increase in greenhouse gas concentrations in the atmosphere?
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Deforestation
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Burning fossil fuels
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Industrial processes
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All of the above
D
Correct answer
Explanation
Deforestation, burning fossil fuels, and industrial processes are all major contributors to the increase in greenhouse gas concentrations in the atmosphere.
Which of the following gases is NOT a greenhouse gas?
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Carbon Dioxide (CO2)
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Methane (CH4)
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Oxygen (O2)
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Water Vapor (H2O)
C
Correct answer
Explanation
Oxygen is not a greenhouse gas because it does not absorb infrared radiation in the atmosphere.
What is the primary human activity that contributes to the increase in greenhouse gas concentrations in the atmosphere?
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Deforestation
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Fossil Fuel Combustion
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Agriculture
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Industrial Processes
B
Correct answer
Explanation
Fossil fuel combustion, such as burning coal, oil, and natural gas, releases large amounts of carbon dioxide and other greenhouse gases into the atmosphere.
Which greenhouse gas has the highest global warming potential?
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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)
D
Correct answer
Explanation
HFCs have a global warming potential that is thousands of times higher than carbon dioxide.