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प्रश्न
Read the following statements with reference to soil.
- Weathering is a very fast process of soil formation.
- Percolation of water is faster in sandy soils.
- Loamy soil contains only sand and clay.
- Top soil contains the maximum amount of humus.
Choose the correct statements from the above.
विकल्प
(ii) and (iv)
(i) and (iii)
(ii) and (iii)
(i) and (ii)
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उत्तर
(ii) and (iv)
Explanation:
Weathering is the breaking down of huge pieces of rocks into smaller pieces by the action of natural forces such as water, glaciers, wind and roots of plants, etc. It takes hundreds of years to produce a few centimetres of soil. So, it is a very slow process. Loamy soil is a mixture of sand, silt and clay and also has humus in it.
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संबंधित प्रश्न
Explain how soil is formed.
Distinguish between the following pair
Soil erosion and soil conservation
Give geographical reason:
There is a need for soil conservation.
Name any four agents of erosion.
What is meant by the terms ‘soil erosion’ and ‘soil conservation’?
Why is soil conservation important? Give three reasons.
Explain any two methods of soil conservation briefly.
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 which of the following?
How can a farmer convert acidic soil to neutral soil?
