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 major 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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Fluorinated gases
A
Correct answer
Explanation
Carbon dioxide is the major greenhouse gas emitted by human activities, primarily through the burning of fossil fuels for electricity, heat, and transportation.
Which of the following is NOT a major reservoir of carbon in the carbon cycle?
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Atmosphere
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Oceans
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Fossil Fuels
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Living Organisms
C
Correct answer
Explanation
Fossil fuels are not a major reservoir of carbon in the carbon cycle because they are not actively involved in the exchange of carbon between living organisms and the environment.
Which of the following is NOT a major reservoir of carbon in the carbon cycle?
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Atmosphere
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Oceans
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Fossil Fuels
-
Living Organisms
C
Correct answer
Explanation
Fossil fuels are not a major reservoir of carbon in the carbon cycle because they are not actively involved in the exchange of carbon between living organisms and the environment.
Which of the following is NOT a major reservoir of carbon in the carbon cycle?
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Atmosphere
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Oceans
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Fossil Fuels
-
Living Organisms
C
Correct answer
Explanation
Fossil fuels are not a major reservoir of carbon in the carbon cycle because they are not actively involved in the exchange of carbon between living organisms and the environment.
Which of the following beverages produces the most greenhouse gases?
A
Correct answer
Explanation
Wine production generates approximately 1.6 kilograms of CO2 equivalent per liter, while spirits generate 1.2 kilograms of CO2 equivalent per liter, beer generates 0.8 kilograms of CO2 equivalent per liter, and cider generates 0.4 kilograms of CO2 equivalent per liter.
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.
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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Nitrous Oxide
C
Correct answer
Explanation
Oxygen is not a greenhouse gas, as it does not trap heat in the atmosphere.
Which of the following is a major contributor to greenhouse gas emissions, a key factor in climate change?
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Renewable energy sources
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Electric vehicles
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Fossil fuel consumption
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Organic farming
C
Correct answer
Explanation
Fossil fuel consumption, particularly the burning of coal, oil, and natural gas, releases significant amounts of greenhouse gases into the atmosphere.
Which greenhouse gas is primarily responsible for the environmental impact of meat production?
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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 Hexafluoride (SF6)
B
Correct answer
Explanation
Methane is a potent greenhouse gas with a global warming potential 25 times greater than carbon dioxide. It is primarily produced by the digestive systems of ruminant animals, such as cattle and sheep, during the process of fermentation.
What percentage of global greenhouse gas emissions can be attributed to meat production?
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5-10%
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10-15%
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15-20%
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20-25%
C
Correct answer
Explanation
Meat production is estimated to contribute between 15% and 20% of global greenhouse gas emissions, primarily due to methane and nitrous oxide emissions from livestock.
What is the primary greenhouse gas emitted by human activities that contributes to climate change?
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Oxygen
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Nitrogen
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Carbon Dioxide
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Hydrogen
C
Correct answer
Explanation
Carbon dioxide (CO2) is the primary greenhouse gas emitted by human activities, such as burning fossil fuels for energy and transportation, deforestation, and certain industrial processes. It traps heat in the atmosphere, leading to global warming and climate change.
What is the name of the gas that makes up most of the 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 is the name of the gas that makes up most of the Earth's atmosphere.
What is the name of the gas that we breathe in?
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Oxygen
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Nitrogen
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Carbon Dioxide
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Argon
A
Correct answer
Explanation
Oxygen is the name of the gas that we breathe in.
What is the name of the gas that we breathe out?
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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 the name of the gas that we breathe out.
What is the name of the gas that is produced by animals during respiration?
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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 the name of the gas that is produced by animals during respiration.