Theory

Practice Questions

1. Food chain concept

Difficulty: easy

1
2. Flow of energy

Difficulty: easy

2
3. Organism roles

Difficulty: easy

3
4. Characteristics and importance of food chains

Difficulty: easy

5
5. Energy pyramids

Difficulty: medium

4
6. Trophic levels

Difficulty: medium

6
7. Food chain and trophic level chart

Difficulty: medium

5
8. Ecological pyramids and limitations

Difficulty: medium

4
9. Predator–Prey relationship

Difficulty: hard

1
10. Food Webs importance and characteristics

Difficulty: hard

5
11. Limitations in food webs

Difficulty: hard

1
12. Difference food chain and food web

Difficulty: medium

3

Teacher manual