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प्रश्न
What are the components of topsoil?
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उत्तर
The topmost layer is the topsoil (Layer D) which consists of clay, silt, sand and humus.
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संबंधित प्रश्न
Sketch the cross section of soil and label the various layers.
Name the various methods of conserving soil.
Distinguish between contour tilling and contour bunding.
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
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.
Soil conservation measures are mainly aimed at protecting which of the following?
Unscramble the following jumbled word related to soil.
\[\boxed{\text{S}}\]\[\boxed{\text{U}}\]\[\boxed{\text{H}}\]\[\boxed{\text{U}}\]\[\boxed{\text{M}}\]
Unscramble the following jumbled word related to soil.
\[\boxed{\text{M}}\]\[\boxed{\text{O}}\]\[\boxed{\text{A}}\]\[\boxed{\text{L}}\]
How can a farmer convert acidic soil to neutral soil?
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 |
