1. What does the term “recycling” mean?
A) Burning waste
B) Reusing materials to make new products
C) Burying garbage underground
D) Dumping waste in oceans
Answer: B
2. Which of the following materials is most commonly recycled?
A) Plastic
B) Glass
C) Paper
D) All of these
Answer: D
3. What is the first step in the waste management hierarchy?
A) Recycling
B) Disposal
C) Reduce
D) Incineration
Answer: C
4. Composting is mainly used to recycle which type of waste?
A) Plastic waste
B) Electronic waste
C) Organic waste
D) Metal waste
Answer: C
5. Which color bin is commonly used for recyclable waste in many countries?
A) Red
B) Blue
C) Black
D) Yellow
Answer: B
6. E-waste includes discarded:
A) Food items
B) Plastic bottles
C) Electronic devices
D) Glass jars
Answer: C
7. Which gas is commonly produced in landfills due to decomposition?
A) Oxygen
B) Nitrogen
C) Methane
D) Hydrogen
Answer: C
8. The process of converting waste into energy is called:
A) Landfilling
B) Waste-to-energy
C) Composting
D) Reusing
Answer: B
9. Which of the following can be composted at home?
A) Vegetable peels
B) Glass bottles
C) Aluminum cans
D) Batteries
Answer: A
10. Hazardous waste should be:
A) Mixed with household waste
B) Thrown in rivers
C) Handled and disposed of carefully
D) Burned openly
Answer: C
11. Recycling helps conserve:
A) Natural resources
B) Water
C) Energy
D) All of these
Answer: D
12. Which material can be recycled repeatedly without losing quality?
A) Plastic
B) Paper
C) Aluminum
D) Food waste
Answer: C
13. What does the 3R principle stand for?
A) Reduce, Reuse, Recycle
B) Remove, Replace, Rebuild
C) Repair, Return, Reduce
D) Recycle, Refill, React
Answer: A
14. Which waste is considered biodegradable?
A) Plastic bag
B) Fruit peel
C) Glass
D) Styrofoam
Answer: B
15. Incineration is a method of waste management that involves:
A) Burying waste
B) Burning waste
C) Sorting waste
D) Reusing waste
Answer: B
16. The symbol with three chasing arrows represents:
A) Pollution
B) Recycling
C) Hazardous waste
D) Composting
Answer: B
17. Which of the following is non-biodegradable?
A) Paper
B) Wood
C) Plastic
D) Leaves
Answer: C
18. Reusing a glass jar for storage is an example of:
A) Recycling
B) Reducing
C) Reusing
D) Landfilling
Answer: C
19. Segregation of waste means:
A) Burning waste
B) Separating different types of waste
C) Throwing waste together
D) Exporting waste
Answer: B
20. Which sector produces the largest amount of municipal solid waste?
A) Agriculture
B) Households
C) Space industry
D) Fisheries
Answer: B
21. Which item should NOT be placed in a recycling bin?
A) Clean paper
B) Cardboard
C) Used batteries
D) Aluminum cans
Answer: C
22. Landfills are designed to:
A) Safely bury waste
B) Recycle plastic
C) Produce compost
D) Generate oxygen
Answer: A
23. Which practice reduces waste at the source?
A) Buying products with less packaging
B) Throwing waste in rivers
C) Burning plastic
D) Mixing dry and wet waste
Answer: A
24. Upcycling refers to:
A) Burning waste
B) Converting waste into products of higher value
C) Dumping waste
D) Reducing energy
Answer: B
25. Which waste management method is most environmentally friendly?
A) Open dumping
B) Incineration without filters
C) Recycling
D) Ocean dumping
Answer: C
26. Biomedical waste includes:
A) Kitchen scraps
B) Old newspapers
C) Hospital waste
D) Plastic toys
Answer: C
27. Recycling paper helps save:
A) Sand
B) Trees
C) Oil
D) Coal
Answer: B
28. Which of the following wastes takes the longest time to decompose?
A) Banana peel
B) Paper
C) Plastic bottle
D) Cotton cloth
Answer: C
29. Waste segregation at source improves:
A) Recycling efficiency
B) Pollution levels
C) Waste mixing
D) Landfill overflow
Answer: A
30. Sustainable waste management aims to:
A) Increase pollution
B) Protect environment and human health
C) Promote open dumping
D) Increase landfill size
Answer: B