Environmental Studies ยท General Awareness
Pollution and Human Impact
2,911 Questions
Pollution involves the introduction of contaminants into natural environments, causing severe human impact. This hub focuses on water pollution, thermal pollution, soil contamination, and diseases like Minamata. It is a highly relevant topic for environmental studies in UPSC exams.
Water pollution sourcesOcean pollutantsHeavy metal contaminationSoil erosion impactsThermal pollution causes
Pollution and Human Impact Questions
Which of the following is NOT a common type of environmental monitoring?
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Air quality monitoring
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Water quality monitoring
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Soil quality monitoring
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Noise pollution monitoring
C
Correct answer
Explanation
Soil quality monitoring is not as common as the other types of environmental monitoring listed, as it is more difficult and expensive to conduct.
Which of the following is a major cause of water pollution in India?
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Industrial effluents
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Agricultural runoff
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Sewage discharge
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All of the above
D
Correct answer
Explanation
Industrial effluents, agricultural runoff, and sewage discharge are all major contributors to water pollution in India.
What are some of the environmental impacts of transportation and logistics?
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Air pollution
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Water pollution
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Land pollution
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All of the above
D
Correct answer
Explanation
Transportation and logistics can have negative environmental impacts, including air pollution, water pollution, and land pollution.
What are the potential environmental impacts of geothermal energy development?
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Air pollution
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Water pollution
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Land subsidence
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All of the above
D
Correct answer
Explanation
Geothermal energy development can have a number of potential environmental impacts, including air pollution, water pollution, and land subsidence. However, these impacts can be minimized with proper planning and management.
Which of the following is an example of an externality?
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Pollution
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Climate change
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Deforestation
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All of the above
D
Correct answer
Explanation
An externality is a cost or benefit that is imposed on a third party as a result of an economic activity. Pollution, climate change, and deforestation are all examples of externalities because they impose costs on society that are not borne by the individuals or businesses that create them.
What is the primary source of mercury pollution in the environment?
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Coal-fired power plants
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Mining activities
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Industrial emissions
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Agricultural runoff
A
Correct answer
Explanation
Coal-fired power plants are the largest source of mercury pollution in the United States, releasing significant amounts of mercury into the air.
What is the primary source of dioxin pollution in the environment?
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Incineration of waste
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Chlorine bleaching of paper
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Pesticide use
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Fertilizer runoff
A
Correct answer
Explanation
Incineration of waste, particularly hazardous waste, is a major source of dioxin pollution, releasing significant amounts of dioxins into the air.
What is the primary source of polychlorinated biphenyls (PCBs) in the environment?
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Industrial emissions
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Mining activities
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Agricultural runoff
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Vehicular emissions
A
Correct answer
Explanation
Industrial emissions, particularly from electrical equipment manufacturing and waste incineration, are the primary source of polychlorinated biphenyls (PCBs) in the environment.
What is the primary source of pesticides in the environment?
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Agricultural runoff
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Industrial emissions
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Mining activities
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Vehicular emissions
A
Correct answer
Explanation
Agricultural runoff is the primary source of pesticides in the environment, as pesticides applied to crops can be carried by rainwater into waterways and soil.
What is the primary source of heavy metal pollution in the environment?
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Mining activities
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Industrial emissions
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Agricultural runoff
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Vehicular emissions
A
Correct answer
Explanation
Mining activities are the primary source of heavy metal pollution in the environment, as mining operations can release significant amounts of heavy metals into the air, water, and soil.
Which of the following is an example of an environmental hazard?
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Air pollution
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Water contamination
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Noise pollution
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All of the above
D
Correct answer
Explanation
Environmental hazards are factors in the environment that can adversely affect human health. Examples include air pollution, water contamination, noise pollution, and radiation.
What is the primary environmental concern associated with endurance sports?
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Air pollution
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Water pollution
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Land degradation
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Noise pollution
C
Correct answer
Explanation
Endurance sports often take place in natural areas, which can be damaged by overuse and improper maintenance.
What is the most significant environmental impact of endurance sports on water resources?
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Pollution from sunscreen and other personal care products
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Overuse of water for irrigation of sports fields
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Disruption of natural water flows
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All of the above
D
Correct answer
Explanation
Endurance sports can have a significant environmental impact on water resources through pollution from sunscreen and other personal care products, overuse of water for irrigation of sports fields, and disruption of natural water flows.
What is the primary environmental concern associated with the production of endurance sports equipment?
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Air pollution
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Water pollution
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Land degradation
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Greenhouse gas emissions
D
Correct answer
Explanation
The production of endurance sports equipment often involves the use of fossil fuels, which release greenhouse gases into the atmosphere.
Which of the following is a major environmental impact of coal mining?
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Air pollution
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Water pollution
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Land degradation
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All of the above
D
Correct answer
Explanation
Coal mining can have a number of negative environmental impacts, including air pollution from the release of sulfur dioxide and nitrogen oxides, water pollution from the discharge of mining wastewater, and land degradation from the removal of vegetation and the creation of spoil piles.