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Theory

Textbook Questions

Practice Questions

1. Abiotic and biotic components of an ecosystem

Difficulty: easy

2
2. Different trophic levels and food chain

Difficulty: easy

2
3. Ecosystem classification

Difficulty: easy

2
4. Flow of energy in an ecosystem and ecological pyramids

Difficulty: easy

2
5. Food chain

Difficulty: easy

3
6. Ozone layer depletion, its causes and effects

Difficulty: easy

3
7. Categorization of wastes

Difficulty: easy

3
8. Different components of the ecosystem

Difficulty: medium

4
9. Different trophic levels of the ecosystem

Difficulty: medium

5
10. Flow of energy within the ecosystem

Difficulty: medium

4
11. Difference between biodegradable and non-biodegradable wastes

Difficulty: medium

4
12. Food web, biological magnification, ozone layer depletion causes and effects

Difficulty: medium

4
13. Food chain, food web, and different ecological pyramids

Difficulty: medium

5
14. Types of ecosystems and different trophic levels

Difficulty: medium

4
15. Classification of biodegradable and non-biodegradable wastes

Difficulty: medium

4
16. Montreal protocol, ozone layer - depletion, causes, and effects

Difficulty: medium

5
17. Different sources of wastes and the different waste management techniques

Difficulty: medium

5
18. Difference between biotic, abiotic, food chain and food web

Difficulty: medium

4
19. Ecosystem components and food chain

Difficulty: hard

6
20. Energy flow in the ecosystem, classification of ecosystem, trophic levels

Difficulty: hard

7
21. Producers, ozone layer depletion and food chain

Difficulty: hard

6

Entrance Exam Questions

1. NEET exam archive - I

Difficulty: medium

4
2. NEET exam archive - II

Difficulty: medium

5
3. AIPMT exam archive

Difficulty: medium

4
4. NTSE exam archive I

Difficulty: easy

3
5. NTSE exam archive II

Difficulty: medium

5
6. NTSE exam archives III

Difficulty: medium

5

Key Questions for School Exam Preparation

1. CBSE previous year VSA questions 1

Difficulty: medium

2
2. CBSE previous year VSA questions 2

Difficulty: medium

2
3. CBSE previous year SA questions 1

Difficulty: hard

6
4. CBSE previous year SA questions II

Difficulty: hard

6

Teacher manual