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प्रश्न
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
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उत्तर
Exfoliation
संबंधित प्रश्न
From encyclopedias and the Internet, find out the different types of soil found in India. Discuss the importance of these soils for crops cultivated in our country. You should form groups in class for this activity.
People have used various farming methods to increase food production. However, in the process, they have stripped the soil of nutrients, leading to its degradation.
Can you suggest some ways by which we can reduce soil degradation?
What is known as exfoliation?
Distinguish between:
Weathering and Denudation
What do you understand by the following term:|
Desilication
Match the following pairs correctly:
| A | B |
| (a) A soil formed at a place or a particular site | Alluvium |
| (b) Over a long period of time this soil become mature | Transported soil |
| (c) It is most fertile soil when renewed every year | Podzol |
| (d) This soil is found is cool or cold humid areas | Residual |
Give reasons for the following :
Grassland soils are less acidic than forest soils.
Explain the following terms.
Colloids
Give a geographical reason:
Oxidation changes the size and colour of the rocks.
Is weathering essential as a pre-requisite in the formation of soils? Why?
