1. : Hazardous waste is defined as waste that is:
(A) Biodegradable only
(B) Dangerous to human health or the environment
(C) Only liquid in nature
(D) Always recyclable
2. : The main legislation governing hazardous waste in the United States is:
(A) Clean Water Act
(B) Resource Conservation and Recovery Act (RCRA)
(C) Kyoto Protocol
(D) Montreal Protocol
3. : Which international treaty controls the transboundary movement of hazardous waste?
(A) Paris Agreement
(B) Basel Convention
(C) Kyoto Protocol
(D) Stockholm Convention
4. : Which of the following is an example of hazardous waste?
(A) Kitchen food scraps
(B) Used batteries
(C) Yard waste
(D) Paper waste
5. : Hazardous waste can be classified into:
(A) Only solid waste
(B) Solid, liquid, gaseous, and sludge
(C) Renewable and non-renewable
(D) Biotic and abiotic
6. : Which property does NOT make waste hazardous?
(A) Corrosivity
(B) Ignitability
(C) Reactivity
(D) Biodegradability
7. : Biomedical waste is usually disposed of by:
(A) Composting
(B) Incineration
(C) Open dumping
(D) Recycling
8. : E-waste is considered hazardous mainly because of:
(A) High plastic content
(B) Presence of toxic heavy metals like lead and mercury
(C) Organic matter
(D) Easy recyclability
9. : The process of solidifying hazardous waste to reduce leaching is called:
(A) Incineration
(B) Stabilization
(C) Composting
(D) Recycling
10. : Which of the following is a primary method of hazardous waste treatment?
(A) Landfilling without lining
(B) Composting
(C) Incineration
(D) Open burning
11. : Leachate is:
(A) A type of solid hazardous waste
(B) Liquid that drains from hazardous waste landfills
(C) A recycling by-product
(D) A non-toxic wastewater
12. : PCBs (Polychlorinated Biphenyls) are hazardous because they are:
(A) Biodegradable and safe
(B) Persistent organic pollutants (POPs)
(C) Easily recyclable plastics
(D) Natural fertilizers
13. : Which of the following is an advantage of hazardous waste incineration?
(A) Eliminates all toxic emissions
(B) Reduces volume of waste significantly
(C) Generates zero ash
(D) Requires no monitoring
14. : Which type of hazardous waste reacts violently with water?
(A) Corrosive waste
(B) Ignitable waste
(C) Reactive waste
(D) Radioactive waste
15. : Which agency regulates hazardous waste management in the USA?
(A) World Bank
(B) Environmental Protection Agency (EPA)
(C) WHO
(D) UNEP
16. : Radioactive waste is mainly managed by:
(A) Deep geological disposal
(B) Open landfilling
(C) Composting
(D) Wastewater discharge
17. : The “cradle-to-grave” principle in hazardous waste management means:
(A) Waste is only managed at the landfill
(B) Monitoring waste from generation to final disposal
(C) Recycling all waste into useful products
(D) Open dumping in controlled sites
18. : Which of the following hazardous wastes comes from households?
(A) Used motor oil
(B) Scrap iron
(C) Kitchen leftovers
(D) Cardboard boxes
19. : The most environmentally friendly method for hazardous waste minimization is:
(A) Recycling and reuse
(B) Open burning
(C) Deep landfilling
(D) Dilution in water
20. : Which type of hazardous waste can cause cancer in humans?
(A) Corrosive waste
(B) Carcinogenic waste
(C) Ignitable waste
(D) Reactive waste
21. : Which of the following is NOT an objective of hazardous waste management?
(A) Protect human health
(B) Protect the environment
(C) Promote open dumping
(D) Encourage recycling
22. : In landfills, hazardous waste is often stored in:
(A) Open ground
(B) Double-lined containment systems
(C) Uncovered soil pits
(D) Composting pits
23. : Mercury in hazardous waste is dangerous because it:
(A) Causes acid rain
(B) Bioaccumulates in food chains
(C) Is biodegradable
(D) Is non-toxic to humans
24. : Which of the following is a common treatment for acidic hazardous waste?
(A) Neutralization with a base
(B) Composting
(C) Filtration
(D) Burning
25. : The ultimate goal of hazardous waste management is to:
(A) Maximize profits from waste
(B) Minimize risks to health and environment
(C) Increase landfill size
(D) Promote uncontrolled dumping