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 emitted by agriculture?
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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, while carbon dioxide, methane, and nitrous oxide are all greenhouse gases emitted by agriculture.
Which agricultural practice is the largest contributor to methane emissions?
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Livestock production
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Rice cultivation
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Fertilizer application
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Deforestation
A
Correct answer
Explanation
Livestock production is the largest contributor to methane emissions, accounting for about 65% of total methane emissions from agriculture.
What is the primary source of nitrous oxide emissions from agriculture?
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Livestock manure
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Synthetic fertilizers
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Crop residues
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Irrigation
B
Correct answer
Explanation
Synthetic fertilizers are the primary source of nitrous oxide emissions from agriculture, accounting for about 70% of total nitrous oxide emissions from agriculture.
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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Hydrofluorocarbons
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas emitted by human activities, accounting for approximately 65% of total greenhouse gas emissions.
Which of the following is a major greenhouse gas emitted during mining activities?
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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
Mining activities release significant amounts of carbon dioxide, methane, and nitrous oxide into the atmosphere, all of which are potent greenhouse gases contributing to climate change.
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
-
Water vapor
A
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas emitted by human activities, such as the burning of fossil fuels.
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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Nitrogen (N2)
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Water Vapor (H2O)
C
Correct answer
Explanation
Nitrogen (N2) is not a greenhouse gas.
What is the primary greenhouse gas emitted by burning fossil fuels?
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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 burning fossil fuels.
Which human activity is a major contributor to climate change and global warming?
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Recycling
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Renewable energy use
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Organic farming
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Fossil fuel burning
D
Correct answer
Explanation
Fossil fuel burning releases greenhouse gases into the atmosphere, contributing to climate change and global warming.
Which of the following is a major source of greenhouse gas emissions?
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Transportation
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Industry
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Agriculture
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All of the above
D
Correct answer
Explanation
Transportation, industry, and agriculture are all major sources of greenhouse gas emissions. Greenhouse gases trap heat in the atmosphere, leading to climate change.
Which of the following is NOT a greenhouse gas?
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Carbon dioxide
-
Methane
-
Nitrous oxide
-
Oxygen
D
Correct answer
Explanation
Greenhouse gases are gases that trap heat in the atmosphere, causing the Earth's temperature to rise. Carbon dioxide, methane, and nitrous oxide are all greenhouse gases, while oxygen is not.
Which industrial sector is the largest emitter of greenhouse gases in the world?
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Transportation
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Electricity generation
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Manufacturing
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Agriculture
B
Correct answer
Explanation
Electricity generation, particularly from fossil fuel power plants, is the largest industrial source of greenhouse gas emissions globally.
What is the primary greenhouse gas emitted by industrial activities?
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Carbon dioxide
-
Methane
-
Nitrous oxide
-
Hydrofluorocarbons
A
Correct answer
Explanation
Carbon dioxide is the most significant greenhouse gas emitted by industrial activities, primarily from the burning of fossil fuels.
Which of the following is NOT a major contributor to greenhouse gas emissions in urban areas?
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Transportation
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Energy consumption
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Agriculture
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Waste generation
C
Correct answer
Explanation
While agriculture does contribute to greenhouse gas emissions, it is not a major contributor in urban areas, where the main sources of emissions are transportation, energy consumption, and waste generation.
What is the primary greenhouse gas emitted by human activities?
-
Carbon Dioxide (CO2)
-
Methane (CH4)
-
Nitrous Oxide (N2O)
-
Water Vapor (H2O)
A
Correct answer
Explanation
Carbon Dioxide (CO2) is the primary greenhouse gas emitted by human activities, primarily through the burning of fossil fuels.