Theory
Practice Questions
| 1. |
Ecological pyramid
Difficulty: easy |
1
|
| 2. |
Food chain
Difficulty: easy |
1
|
| 3. |
Flow of energy and ecological pyramids
Difficulty: medium |
2
|
| 4. |
Food web and ozone layer depletion
Difficulty: medium |
4
|
| 5. |
Food web
Difficulty: medium |
2.5
|
| 6. |
Energy flow and ozone layer
Difficulty: medium |
3
|
| 7. |
Food chain
Difficulty: medium |
2
|
| 8. |
Food chain - Picture based
Difficulty: medium |
3
|
| 9. |
Biological magnification
Difficulty: hard |
3
|
| 10. |
Energy flow
Difficulty: hard |
7
|