Environmental Studies ยท General Awareness
Greenhouse Gases and Atmosphere
1,262 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 human-induced climate change?
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Oxygen
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Carbon dioxide
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Nitrogen
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Argon
B
Correct answer
Explanation
Carbon dioxide is the primary greenhouse gas contributing to human-induced climate change. It traps heat in the atmosphere, leading to an increase in global temperatures.
What is the primary source of methane, a potent greenhouse gas?
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Deforestation
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Volcanic eruptions
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Industrial processes
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Livestock farming
D
Correct answer
Explanation
Livestock farming, particularly the digestive processes of ruminant animals, is a significant source of methane emissions, contributing to the increase in greenhouse gas concentrations.
What is the primary greenhouse gas emitted during 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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Sulfur Dioxide (SO2)
A
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted during air travel, accounting for approximately 70% of the total emissions.
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 responsible for the enhanced greenhouse effect and global warming, primarily due to human activities such as fossil fuel combustion.
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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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.
Which sector is the largest contributor to global greenhouse gas emissions?
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Transportation
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Industry
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Electricity Generation
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Agriculture
C
Correct answer
Explanation
Electricity generation, particularly from fossil fuel-based power plants, is the largest contributor to global greenhouse gas emissions.
Which of the following is a greenhouse gas?
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Oxygen
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Carbon Dioxide
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Nitrogen
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Argon
B
Correct answer
Explanation
Carbon Dioxide is a greenhouse gas that traps heat in the atmosphere, contributing to global warming.
Which sector contributes the most to greenhouse gas emissions globally?
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Transportation
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Agriculture
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Industry
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Residential and Commercial Buildings
C
Correct answer
Explanation
Industry is the largest contributor to greenhouse gas emissions globally, primarily due to the burning of fossil fuels for energy production.
What is the primary source of methane, a potent greenhouse gas?
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Volcanic Eruptions
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Forest Fires
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Agriculture
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Industrial Processes
C
Correct answer
Explanation
Agriculture, particularly livestock production and rice cultivation, is the primary source of methane emissions.
Which of the following is a greenhouse gas with a relatively short atmospheric lifetime?
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Carbon Dioxide
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Methane
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Nitrous Oxide
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Water Vapor
B
Correct answer
Explanation
Methane is a greenhouse gas with a relatively short atmospheric lifetime compared to carbon dioxide.
Which of the following molecules is thought to be responsible for the origin of life on Earth?
Correct answer
Explanation
The origin of life on Earth is thought to have involved a combination of H2O, CO2, CH4, and NH3, which are known as the prebiotic molecules.
Which of the following molecules is responsible for the characteristic green color of many planetary atmospheres?
D
Correct answer
Explanation
CH4 is responsible for the characteristic green color of many planetary atmospheres, such as Uranus and Neptune.
Which of the following is a major contributor to greenhouse gas emissions in India?
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Solar Energy
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Wind Energy
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Coal-fired Power Plants
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Electric Vehicles
C
Correct answer
Explanation
Coal-fired power plants are a significant source of greenhouse gas emissions, particularly carbon dioxide, due to the combustion of coal for electricity generation.
What is the most abundant gas in the Earth's atmosphere?
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Nitrogen
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Oxygen
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Argon
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Carbon Dioxide
A
Correct answer
Explanation
Nitrogen is the most abundant gas in the Earth's atmosphere, making up about 78.08% of its volume.
What is the second most abundant gas in the Earth's atmosphere?
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Oxygen
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Argon
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Carbon Dioxide
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Water Vapor
A
Correct answer
Explanation
Oxygen is the second most abundant gas in the Earth's atmosphere, making up about 20.95% of its volume.