Environmental Studies ยท General Awareness

Waste Management and Pollution

2,230 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

Multiple choice

What is the RCRA hazardous waste number for lead?

  1. D008

  2. D009

  3. D010

  4. D011

  5. D012
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The RCRA hazardous waste number for lead is D008.

Multiple choice

Which of the following is an example of a listed hazardous waste?

  1. Asbestos

  2. Benzene

  3. Dioxin

  4. Mercury

  5. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Asbestos, benzene, dioxin, and mercury are all examples of listed hazardous wastes.

Multiple choice

What is the primary method for disposing of hazardous waste?

  1. Landfilling

  2. Incineration

  3. Recycling

  4. Deep-well injection

  5. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hazardous waste can be disposed of through a variety of methods, including landfilling, incineration, recycling, and deep-well injection.

Multiple choice

Which of the following is a characteristic of ignitable hazardous waste?

  1. It has a flash point below 140 degrees Fahrenheit

  2. It is capable of causing a fire through friction, absorption of moisture, or spontaneous chemical changes

  3. It is capable of burning rapidly and intensely

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Ignitable hazardous waste exhibits one or more of the following characteristics: it has a flash point below 140 degrees Fahrenheit, it is capable of causing a fire through friction, absorption of moisture, or spontaneous chemical changes, or it is capable of burning rapidly and intensely.

Multiple choice

Which of the following is an example of a corrosive hazardous waste?

  1. Hydrochloric acid

  2. Sulfuric acid

  3. Nitric acid

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hydrochloric acid, sulfuric acid, and nitric acid are all examples of corrosive hazardous wastes.

Multiple choice

What is the primary method for reducing the generation of hazardous waste?

  1. Source reduction

  2. Recycling

  3. Treatment

  4. Disposal

  5. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Source reduction is the primary method for reducing the generation of hazardous waste. It involves changing processes or practices to reduce or eliminate the creation of hazardous waste.

Multiple choice

Which of the following is an example of a reactive hazardous waste?

  1. Sodium metal

  2. Potassium metal

  3. Lithium metal

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Sodium metal, potassium metal, and lithium metal are all examples of reactive hazardous wastes.

Multiple choice

What is the primary method for treating hazardous waste?

  1. Incineration

  2. Neutralization

  3. Solidification

  4. Stabilization

  5. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hazardous waste can be treated through a variety of methods, including incineration, neutralization, solidification, and stabilization.

Multiple choice

Which of the following is an example of a toxic hazardous waste?

  1. Arsenic

  2. Lead

  3. Mercury

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Arsenic, lead, and mercury are all examples of toxic hazardous wastes.

Multiple choice

What is the primary method for disposing of hazardous waste in a landfill?

  1. Landfilling in a secure landfill

  2. Landfilling in a non-secure landfill

  3. Incineration

  4. Recycling

  5. All of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Hazardous waste is typically disposed of in a secure landfill, which is designed to prevent the release of hazardous materials into the environment.

Multiple choice

Which of the following is an example of a universal hazardous waste?

  1. Batteries

  2. Pesticides

  3. Fluorescent light bulbs

  4. All of the above

  5. None of the above
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Batteries, pesticides, and fluorescent light bulbs are all examples of universal hazardous wastes.

Multiple choice

Which of the following is NOT a type of reaction that hazardous waste can undergo?

  1. Oxidation

  2. Reduction

  3. Neutralization

  4. Polymerization
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Neutralization is not a type of reaction that hazardous waste can undergo. Oxidation, reduction, and polymerization are all types of reactions that hazardous waste can undergo.

Multiple choice

Which of the following factors does NOT affect the reactivity of hazardous waste?

  1. Concentration

  2. Temperature

  3. Pressure

  4. pH
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Pressure does not affect the reactivity of hazardous waste. Concentration, temperature, and pH all affect the reactivity of hazardous waste.

Multiple choice

Which of the following methods is NOT used to control the reactivity of hazardous waste?

  1. Dilution

  2. Neutralization

  3. Encapsulation

  4. Incineration
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Incineration is not a method used to control the reactivity of hazardous waste. Dilution, neutralization, and encapsulation are all methods used to control the reactivity of hazardous waste.

Multiple choice

What is the most common type of reaction that hazardous waste undergoes?

  1. Oxidation

  2. Reduction

  3. Neutralization

  4. Polymerization
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Oxidation is the most common type of reaction that hazardous waste undergoes. This is because hazardous waste often contains organic compounds, which are easily oxidized.