Question

3.
1. Why is soil considered an important resource? Give any three reasons.
Highlight any three causes of soil erosion
Explain hydrological cycle with the help of a diagram,
How does river water get polluted? Explain.
Identify any three ecological problems caused by building large dams.
5.
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E. Answer the following questions.
1. Explain any five factors responsible for the formation of soil.
What is meant by land use pattern? Why is it important to study the land use pattern? List the factors
2
influencing the utilisation of land.
3.
What are Multipurpose River Valley Projects? Name any two such projects. List the main objectives of a
multipurpose river valley project.
4.
Suggest any five steps to conserve soil.
5. Suggest any five methods for the conservation of water.
Value Based Question​

Answer 1

Answer:

1.

soil is essential for agriculture

Answer 2

Answer:

Soil is considered as an important resource because:

1) Plants grow up in soil only which are helpful for us in breathing as plants release oxygen.

2) Soil helps to decrease the water erosion.