The greater part of Punjab is covered with alluvial soils Which of the following are characteristics...........

Punjab Geography and Environment

The greater part of Punjab is covered with alluvial soils. Which of the following are characteristics of alluvial soils

I.These are of transported origin.

II.These soils contain adequate proportion of Potash, Lime and Phosphoric acid, which are ideal for the growth of crops like Sugarcane, etc

III.Bhangar and Khadar are two types of Alluvial soils

Codes:

All are correct

I and III are correct

II and III are correct

None is correct

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Explanation:

All the statements are correct.

Alluvial soils are formed mainly due to silt deposited by Indo-Gangetic-Brahmaputra rivers. In coastal regions some alluvial deposits are formed due to wave action.
Rocks of the Himalayas form the parent material. Thus the parent material of these soils is of transported origin.
They are the largest soil group covering about 15 lakh sq km or about 6 per cent of the total area.
They support more than 40% of the India’s population by providing the most productive agricultural lands.