Waste Management MCQs

1. : The process of reducing waste generation at the source is called:
(A) Recycling
(B) Source reduction
(C) Incineration
(D) Composting

2. : The “3Rs” principle in waste management stands for:
(A) Reduce, Reuse, Recycle
(B) Remove, Rebuild, Reclaim
(C) Restore, Reuse, Refine
(D) Recycle, Repair, Replant

3. : Sanitary landfills are designed with:
(A) Liners and leachate collection systems
(B) Open dumping areas
(C) Composting pits only
(D) No environmental controls

4. : Which of the following is NOT considered hazardous waste?
(A) Used batteries
(B) Radioactive material
(C) Kitchen vegetable scraps
(D) Medical syringes

5. : The main advantage of composting is:
(A) Production of organic fertilizer
(B) Elimination of greenhouse gases
(C) Conversion of metals into useful products
(D) Increased plastic production

6. : Which gas is commonly produced in landfills due to decomposition of organic waste?
(A) Oxygen
(B) Nitrogen
(C) Methane
(D) Ozone

7. : Which method is most suitable for disposing of hospital biomedical waste?
(A) Composting
(B) Incineration
(C) Open dumping
(D) Landfilling only

8. : E-waste primarily refers to:
(A) Electronic and electrical waste
(B) Energy-related waste
(C) Engine oils
(D) Emissions from factories

9. : Waste-to-energy plants generate electricity mainly through:
(A) Wind turbines
(B) Incineration of solid waste
(C) Solar panels
(D) Recycling paper

10. : The biodegradable fraction of municipal solid waste includes:
(A) Plastics and metals
(B) Glass and ceramics
(C) Food and yard waste
(D) Batteries

11. : Open dumping of solid waste causes:
(A) Controlled leachate
(B) Groundwater contamination and air pollution
(C) Production of compost
(D) Reduction in methane gas

12. : Which of the following is a major challenge of incineration?
(A) Requires no energy
(B) Production of toxic dioxins and ash
(C) Cannot reduce waste volume
(D) Increases compost production

13. : Integrated Waste Management (IWM) refers to:
(A) Only landfilling of waste
(B) Use of a combination of methods to manage waste
(C) Ignoring hazardous waste
(D) Recycling plastics only

14. : Which international treaty regulates transboundary movement of hazardous waste?
(A) Kyoto Protocol
(B) Montreal Protocol
(C) Basel Convention
(D) Paris Agreement

15. : Vermicomposting is the process of:
(A) Burning waste using worms
(B) Using earthworms to convert organic waste into compost
(C) Using microorganisms for recycling plastics
(D) Landfilling of waste

16. : Which of the following materials is MOST recyclable?
(A) Plastic bags
(B) Glass bottles
(C) Food waste
(D) Hazardous chemicals

17. : The waste hierarchy in order of preference is:
(A) Disposal → Recycling → Reuse → Reduction
(B) Reduction → Reuse → Recycling → Disposal
(C) Recycling → Reduction → Disposal → Reuse
(D) Disposal → Incineration → Reduction → Recycling

18. : Leachate from landfills is a:
(A) Gaseous emission
(B) Contaminated liquid that percolates from waste
(C) Type of compost
(D) Recyclable material

19. : Which waste management method is most eco-friendly for organic waste?
(A) Incineration
(B) Composting
(C) Open dumping
(D) Deep-well injection

20. : Hazardous waste is characterized by being:
(A) Non-toxic
(B) Reactive, corrosive, flammable, or toxic
(C) Easily biodegradable
(D) Compost-friendly

21. : Waste minimization can be achieved by:
(A) Using eco-friendly packaging
(B) Recycling industrial by-products
(C) Promoting sustainable consumption
(D) All of the above

22. : The major environmental problem with plastic waste is:
(A) Easily decomposes
(B) Non-biodegradable nature
(C) Acts as fertilizer
(D) Produces oxygen in soil

23. : Which waste disposal method is banned in many countries for municipal waste?
(A) Landfilling
(B) Open dumping
(C) Composting
(D) Recycling

24. : Pyrolysis in waste management refers to:
(A) Burning of waste with oxygen
(B) Thermal decomposition of waste in the absence of oxygen
(C) Recycling of plastics only
(D) Treatment of wastewater

25. : The ultimate goal of waste management is to:
(A) Maximize waste production
(B) Protect human health and the environment
(C) Promote land pollution
(D) Increase greenhouse gases