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प्रश्न
Several terms related to soil are hidden in the squares given in Figure 9.2. Spot them and make a list. Two examples are given for you.
उत्तर
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संबंधित प्रश्न
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.
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
Why is soil conservation important? Give three reasons.
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.
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 |
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently. Give reasons.