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प्रश्न
Form pairs or groups of three or four students and discuss, with examples, how we depend directly and indirectly on soil.
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उत्तर
Do it Yourself with the help of teacher.
APPEARS IN
संबंधित प्रश्न
Explain how soil is formed.
Sketch the cross section of soil and label the various layers.
Give geographical reason:
There is a need for soil conservation.
Name the various methods of conserving soil.
Distinguish between contour tilling and contour bunding.
Explain any two methods of soil conservation briefly.
The photograph shows a framing method that helps in controlling soil erosion.
- What is this farming method called
- Mention any two other methods that help in controlling soil erosion.
Locate the following zones given as boxed items in figure which shows a diagram of 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 |
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently. Give reasons.
