Practice Questions

1. Food web

Difficulty: easy

2.5
2. Decomposers and its effects

Difficulty: easy

1
3. Trophic levels

Difficulty: easy

2
4. Environmental impacts

Difficulty: medium

3
5. Food chain

Difficulty: medium

2
6. Difference between food chain and food web

Difficulty: medium

4
7. Pictorial based questions - Trophic level

Difficulty: medium

2
8. Ozone and its effects

Difficulty: hard

5
9. Biological magnification

Difficulty: hard

3
10. Decomposers

Difficulty: hard

3

Teacher manual