Environmental Studies ยท General Awareness
Waste Management and Pollution
2,184 Questions
Waste management and pollution control address waste-to-energy technologies, hazardous disposal, and organic recycling methods. The questions cover landfilling, bioremediation, and marine debris indicators. This topic holds significant weight in UPSC, State PSC, and SSC general studies and environmental exams.
Waste-to-energy technologiesHazardous waste disposalBiogas storage methodsOrganic waste compostingPlastic pollution
Waste Management and Pollution Questions
What is the flash point of a hazardous waste?
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The temperature at which the waste will ignite
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The temperature at which the waste will explode
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The temperature at which the waste will decompose
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The temperature at which the waste will react with water
A
Correct answer
Explanation
The flash point of a hazardous waste is the temperature at which the waste will ignite.
Which of the following is a corrosive hazardous waste?
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Acids
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Bases
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Oxidizers
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Reducing agents
A
Correct answer
Explanation
Acids are corrosive hazardous wastes. Bases, oxidizers, and reducing agents are not corrosive hazardous wastes.
Which of the following is a reactive hazardous waste?
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Explosives
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Peroxides
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Unstable compounds
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All of the above
D
Correct answer
Explanation
Explosives, peroxides, and unstable compounds are all reactive hazardous wastes.
What is the characteristic of hazardous waste that refers to its ability to react violently with water?
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Ignitability
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Corrosivity
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Reactivity
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Toxicity
C
Correct answer
Explanation
Reactivity is the characteristic of hazardous waste that refers to its ability to react violently with water.
Which of the following is a toxic hazardous waste?
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Arsenic
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Lead
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Mercury
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All of the above
D
Correct answer
Explanation
Arsenic, lead, and mercury are all toxic hazardous wastes.
Which of the following is a characteristic of hazardous waste that refers to its ability to cause damage to the environment?
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Ecotoxicity
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Persistence
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Bioaccumulation
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All of the above
D
Correct answer
Explanation
Ecotoxicity, persistence, and bioaccumulation are all characteristics of hazardous waste that refer to its ability to cause damage to the environment.
What is the characteristic of hazardous waste that refers to its ability to remain in the environment for a long time?
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Ignitability
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Corrosivity
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Reactivity
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Persistence
D
Correct answer
Explanation
Persistence is the characteristic of hazardous waste that refers to its ability to remain in the environment for a long time.
Which of the following is a characteristic of hazardous waste that refers to its ability to accumulate in living organisms?
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Ignitability
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Corrosivity
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Reactivity
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Bioaccumulation
D
Correct answer
Explanation
Bioaccumulation is the characteristic of hazardous waste that refers to its ability to accumulate in living organisms.
Which of the following is a characteristic of hazardous waste that refers to its ability to cause damage to the nervous system?
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Neurotoxicity
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Developmental toxicity
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Reproductive toxicity
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All of the above
A
Correct answer
Explanation
Neurotoxicity is the characteristic of hazardous waste that refers to its ability to cause damage to the nervous system.
What is the characteristic of hazardous waste that refers to its ability to cause damage to the reproductive system?
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Neurotoxicity
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Developmental toxicity
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Reproductive toxicity
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All of the above
C
Correct answer
Explanation
Reproductive toxicity is the characteristic of hazardous waste that refers to its ability to cause damage to the reproductive system.
What are some of the benefits of recycling?
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It reduces the amount of waste sent to landfills and incinerators.
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It conserves natural resources.
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It creates jobs.
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It reduces greenhouse gas emissions.
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All of the above.
E
Correct answer
Explanation
Recycling has many benefits, including reducing the amount of waste sent to landfills and incinerators, conserving natural resources, creating jobs, and reducing greenhouse gas emissions.
What can individuals do to reduce their waste?
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Reduce the amount of waste they produce.
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Reuse items whenever possible.
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Recycle items that cannot be reused.
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Compost organic waste.
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All of the above.
E
Correct answer
Explanation
Individuals can reduce their waste by reducing the amount of waste they produce, reusing items whenever possible, recycling items that cannot be reused, and composting organic waste.
What can businesses do to reduce their waste?
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Reduce the amount of waste they produce.
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Reuse items whenever possible.
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Recycle items that cannot be reused.
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Compost organic waste.
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All of the above.
E
Correct answer
Explanation
Businesses can reduce their waste by reducing the amount of waste they produce, reusing items whenever possible, recycling items that cannot be reused, and composting organic waste.
What is the best way to dispose of electronics?
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Throw them in the trash.
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Recycle them.
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Compost them.
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Burn them.
B
Correct answer
Explanation
Electronics should be recycled because they contain hazardous materials that can pollute the environment. Recycling electronics helps to keep these materials out of landfills and incinerators.
What is the best way to reduce food waste?
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Buy less food.
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Eat leftovers.
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Compost food scraps.
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All of the above.
D
Correct answer
Explanation
The best way to reduce food waste is to buy less food, eat leftovers, and compost food scraps. Buying less food helps to reduce the amount of food that is produced, eating leftovers helps to reduce the amount of food that is wasted, and composting food scraps helps to turn food waste into a nutrient-rich soil amendment.