Waste Management Quiz
Questions: 16 · 10 minutes
1. Broken bricks, concrete pieces, and timber offcuts from renovating an office belong mainly to which waste stream?
Commercial food waste
Household hazardous waste
Agricultural waste
Construction and demolition waste
2. An old smartphone no longer works and its battery cannot be easily removed. Which route is generally most appropriate?
Break it apart and discard each material in household waste
Place it in a mixed-paper recycling container
Take it to an authorized electronics collection or take-back service
Put it in a home composting system
3. A bag of vegetable peelings and used food packaging is collected from a family's kitchen. What is the primary source category?
Residential or household waste
Industrial waste
Agricultural waste
Construction and demolition waste
4. You find a leaking container of paint thinner while clearing a garage. What is the most appropriate next step?
Pour the liquid into a drain and recycle the empty container
Keep it contained and consult a local household hazardous-waste service
Leave it open outdoors until the liquid evaporates
Mix it with absorbent household waste and place it in a regular bin
5. What is the main function of a materials recovery facility, often called an MRF?
To extract raw metal ore from the ground
To sort and prepare collected recyclable materials for processing
To manufacture every collected item into a new product on site
To treat sewage before discharge
6. Metal shavings and rejected components produced on a factory assembly line are best classified by source as what?
Industrial waste
Construction waste
Municipal yard waste
Agricultural waste
7. Manure, spoiled feed, and crop residues generated during farm operations are primarily examples of what?
Agricultural waste
Household waste
Mining waste
Commercial office waste
8. A home compost pile is wet, compacted, and dominated by fruit and vegetable scraps. Which change would most likely improve its balance and airflow?
Add more cooked food and compress the pile
Seal the pile in an airtight plastic liner
Mix in dry leaves or shredded untreated cardboard
Remove every dry material and add water
9. A school wants to reduce its waste but does not know what it throws away or in what quantities. What should it do first?
Replace recycling stations with a single mixed bin
Buy larger general-waste bins for every classroom
Conduct a waste audit that records material types, sources, and amounts
Select a treatment technology before examining the waste stream
10. A café switches from single-use condiment packets to containers that staff refill. Which waste-management approach does this most directly demonstrate?
Waste prevention through a reusable system
Energy recovery
Landfill diversion through incineration
Disposal after source separation
11. A pizza box has a clean lid but a base heavily coated with food residue. If the local program accepts clean cardboard and compostable food-soiled fiber, what is the best approach?
Put the entire box in recycling because it is cardboard
Put the entire box in general waste to avoid making a sorting decision
Recycle the clean lid and compost the soiled base
Wash the entire box and place it with glass containers
12. What does source segregation mean in waste management?
Combining all waste so it can be classified after disposal
Moving waste from one landfill area to another
Removing natural resources before products are manufactured
Separating waste categories at the place where they are generated
13. Under the waste hierarchy, which approach is generally preferred before reuse, recycling, recovery, or disposal?
Sending the waste to a controlled landfill
Recovering energy from the waste
Recycling the waste after collection
Preventing the waste from being created
14. Which product change best supports a circular-economy approach?
Using more layers of mixed-material packaging
Shortening its usable life to encourage frequent replacement
Making the product difficult to open without breaking it
Designing the product to be durable, repairable, and easy to disassemble
15. Why can biodegradable material in a landfill produce methane?
Sunlight converts buried plastic into methane
Organic material decomposes under oxygen-limited conditions
Metals react with landfill soil to release methane
Glass dissolves and releases stored methane
16. A drawer contains several used household batteries. What is the most appropriate action when local instructions designate batteries for separate collection?
Place them loose in a mixed-recycling bin
Follow the local instructions and use a designated battery drop-off point
Bury them with biodegradable garden waste
Open them and separate their internal materials by hand