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प्रश्न
It is weathering that is responsible for bio-diversity on the earth. How?
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उत्तर
Weathering processes lead to breaking down the rocks into smaller fragments and preparing the way for formation of not only regolith and soils, but also erosion and mass movements. Bio-diversity is basically a result of forests and vegetation. Forests and vegetation depend upon the depth of weathering mantles. Erosion cannot be significant if the rocks are not weathered. It implies that weathering aids mass wasting, erosion and reduction of relief and changes in landforms are a consequence of erosion.
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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.
Soil formation is an important benefit of weathering. How is it important for mankind?
Distinguish between the following pair:
Weathering and erosion
Distinguish between the following pair
Granular disintegration and exfoliation
In which regions of the world is ‘frost action’ the common form of weathering?
Which is the most important effect of weathering?
Make a chart for your classroom showing the causes of different types of weathering.
Distinguish between the Structural plain and Depositional plains.
What is known as exfoliation?
What is the chief characteristic of weathering in tropical climates?
Give a technical term for the following:
Disintegration or decomposition of rock.
Give a technical term for the following:
Peeling off of the outer layer of rock through contraction and expansion.
Define weathering.
Describe the chief characteristics of weathering.
Distinguish between:
Weathering and Denudation
Distinguish between :
Loess and Alluvium.
How is humus formed?
What is a badland topography?
What do you understand by the following term:|
Exfoliation
What do you understand by the following term:|
Regolith
Define the following term briefly:
Soil texture
What are the various factors governing the formation of soil? Which one is the most important and why?
Distinguish between the following :
Erosion and Weathering.
What do you understand by the following term:
Weathering
What do you understand by the following term:
Soil profile
Give reasons for the following :
Climate is the most important factor of soil formation.
Give a geographical reason:
Oxidation changes the size and colour of the rocks.
Consider the given statement and choose the right option given below.
- The nature and magnitude of weathering differ from place to place and region to region.
- Granular disintegration takes place due to the action of volcanoes.
- Weathering is a prerequisite in the formation of soil.
Which of the above statement is/are the right statement.
Are physical and chemical weathering processes independent of each other? If not, why? Explain with examples.
