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  • Subjects
  • Science Test Space
  • Class 8
  • Environmental Science

Biogeochemical cycles

Theory

1. Introduction
2. Environmental protection and adaptation
3. Biogeochemical cycle
4. Water cycle - introduction
5. Water cycle
6. Nitrogen cycle - Introduction
7. Nitrogen cycle
8. Carbon cycle - Introduction
9. Carbon cycle
10. Mind map

Practice Questions

1. Biotic and Abiotic factors

Difficulty: easy

2
2. Precipitation, Evaporation and Condensation

Difficulty: easy

3
3. Components of nitrogen and carbon cycle

Difficulty: easy

2
4. Properties of carbon cycle

Difficulty: easy

2
5. Nature and environment

Difficulty: medium

4
6. Biogeochemical cycles and components of biosphere

Difficulty: medium

5
7. Processes involved in water cycle

Difficulty: medium

5
8. Processes involved in nitrogen cycle

Difficulty: medium

5
9. Transpiration, nitrogen and hydrological cycle

Difficulty: medium

5
10. Carbon, nitogen and hydrological cycle

Difficulty: medium

4
11. Nitrogen and hydrological cycle

Difficulty: medium

5
12. Biogeochemical cycles and environment

Difficulty: hard

7
13. Different processes involved in biodeochemical cycles

Difficulty: hard

6

Tests

1. Training test 1

Difficulty: medium

9
2. Training test 2

Difficulty: medium

8

Teacher manual

1. Methodical recommendation
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