Practice Questions
| 1. |
5R’s concept
Difficulty: easy |
1
|
| 2. |
Decomposers
Difficulty: easy |
1
|
| 3. |
Chipko movement and UNEP
Difficulty: easy |
1
|
| 4. |
Food web
Difficulty: easy |
2
|
| 5. |
Types of wastes
Difficulty: medium |
2
|
| 6. |
Pesticides
Difficulty: medium |
2
|
| 7. |
Biodegradable and non-biodegradable wastes
Difficulty: medium |
3
|
| 8. |
Trophic level
Difficulty: medium |
3
|
| 9. |
Food chain
Difficulty: medium |
3
|
| 10. |
Ozone and its effects
Difficulty: medium |
5
|
| 11. |
Harmful effects on enviroment
Difficulty: hard |
5
|
| 12. |
Biological magnification
Difficulty: hard |
5
|
| 13. |
Energy Transfer
Difficulty: hard |
2
|