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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
Explain how soil is formed.
Sketch the cross section of soil and label the various layers.
Distinguish between the following pair
Soil erosion and soil conservation
Name the various methods of conserving soil.
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
Explain any two methods of soil conservation briefly.
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.
\[\boxed{\text{I}}\]\[\boxed{\text{L}}\]\[\boxed{\text{O}}\]\[\boxed{\text{S}}\] \[\boxed{\text{F}}\]\[\boxed{\text{I}}\]\[\boxed{\text{P}}\]\[\boxed{\text{R}}\]\[\boxed{\text{O}}\]\[\boxed{\text{L}}\]\[\boxed{\text{E}}\]
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 |
