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प्रश्न
Give geographical reason:
Soil is a very important resource.
उत्तर
Soil is an important resource as human beings depend on it for their basic needs of food, shelter and clothing. It takes thousands of years for a thin layer of soil to form.
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संबंधित प्रश्न
Explain how soil is formed.
Sketch the cross section of soil and label the various layers.
Why is soil conservation important? Give three reasons.
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.
Soil conservation measures are mainly aimed at protecting one of the following?
Read the following statements with reference to the soil.
(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Topsoil contains the maximum amount of humus.
Choose the correct statements from the above.
Unscramble the following jumbled word related to soil.
Unscramble the following jumbled word related to soil.
Locate the following zones given as boxed items in Figure 9.1 which shows a diagram of the soil profile.
Topsoil, Subsoil, C-horizon, Bedrock
Match the animals in Column I with their natural place of dwelling (habitat) in Column II.
| Column I | Column II | ||
| (a) | Earthworm | (i) | Sand and beaches |
| (b) | Garden lizard | (ii) | Burrows in soil |
| (c) | Crab | (iii) | Deep, narrow holes in dry soils |
| (d) | Rodents | (iv) | Surface of soil |
| (e) | Scorpion | (v) | The surface of shaded moist soils |
| (f) | Snails and slugs | (vi) | A horizon of moist soils |
