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1. 1. What is the order of waste management hierarchy, from most to least favored
A) Prevention- Recycle-Reuse- Disposal B) Prevention-Reuse-Disposal-Recycle
C) Prevention-Disposal -Reuse-Recycle D) Prevention-Reuse-Recycle-Disposal
2. The most important organisms for an ecosystem are
A) Herbivorous B) Carnivorous C) Green plants D) Protozoa
3. Which of the following is the definition of ecological balance?
A) An ecosystem in a state of stability where species coexist with other organisms and their
environment
B) An ecosystem that never changes
C)An ecosystem that is in a state of chaos where species do not coexist in harmony
D) An ecosystem where species live independently from one another
4. All the energy in the food chain originates from-------------
A) plants B) sun C) sea D) all
1. a) What is meant by waste? B) what are the different types of waste?
2. What do you mean by the segregation of waste? How do you segregate waste?
3. What does the 3R represent in the waste hierarchy? give examples for each term?
4. a) What is waste management? B) What is the prime goal of waste management?
5. discuss about ecological pyramids, types of ecological pyramids?
5. What is the first step in the EU waste management hierarchy?
6. What is the second step in the EU waste management hierarchy?
7. What is the third step in the EU waste management hierarchy?

2. 8. What is the fourth step in the EU waste management hierarchy?
9. What is the fifth step in the EU waste management hierarchy?
10. The EU waste management hierarchyis divided into how many stages?
11. Whois responsible according to life cycle in waste management policy?
12. In the EU's waste management hierarchy, what PREVENTION has it
insisted on?
13. In the EU's waste management hierarchy, what REUSE has it insisted
on?
14. In the EU's waste management hierarchy, what is meant by RECYCLE?
15. In the EU's waste management hierarchy, what is meant by
RECOVERY?
16. In the EU's waste management hierarchy, what ismeant by DISPOSAL?
17. What should be your priority when purchasing any material?
18. What is the second option that you will prefer when prevention and
waste reduction is not possible?

3. 19. Which of the following materials isnot recommended for reuse, recycle,
and recover?
20. What is meant by re-processing material to make another product?