Question

Question 3 Distinguish between
(i) Converging and diverging tectonic plates
(ii) Bhangar and Khadar
(iii) Western Ghats and Eastern Ghats

Class 9 - Social science - Physical Features of India Page 16

Answer 1

i) Converging and diverging tectonic plates:

Converging plates:
> When plate tectonics come towards each other.
> They either collide and crumble or slide under the other.
> They cause folding.

Diverging plates:
> When plate tectonics move against each other.
> They do not collide or crumble.
> They cause cracks on earth's crust.
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ii) Bhangar and Khadar:

Bhangar
> Highland composed of old alluvium.
> Above the level of flood plain.
> Saturated with calcareous nodules called kankar.
> Not suited for agriculture.

Khadar
> Lowland composed of new alluvium.
> Flooded almost every year and thus every time new alluvium is deposited.
> Characterized by clay soil which is very fertile.
> Ideal for agriculture.
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iii) Western ghats and eastern ghats:

Western ghats:
> Mark western edge of deccan plateau.
> They are continuous must be crossed through passes.
> Lie parallel to Arabian sea.
> They are higher at south.
> Average height: 900 - 1600m
> Highest peak: Anai Mudi

Eastern ghats:
> Mark eastern edge of Deccan plateau.
> They ate discontinuous and can be crossed without passes.
> They lie parallel to bay of Bengal.
> They are higher at north.
> Average height: 600m
> Highest peak: Mahendragiri.

Answer 2

Hope this may help..