geo

Question 1

Black soil

Answer 1

This soil is black in colour and is also known as regur soil. Climatic conditions, along with the parent rock material are the important factors for the formation of black soil.
The soil is ideal for growing cotton and is also known as black cotton soil.
This type of soil is typical of the Deccan trap (Basalt) region spread over the northwest Deccan plateau and is made up of lava flows.

Question 2

alluvial soil

Answer 2

The entire northern plains are made of alluvial soil.
The Alluvial Soil is deposited by 3 important Himalayan river systems – the Indus, the Ganga and the Brahmaputra.
It is also found in Rajasthan, Gujarat and eastern coastal plains,

Question 3

red and yellow sands

Answer 3

This type of soil develops on crystalline igneous rocks in areas of low rainfall in the eastern and southern parts of the Deccan plateau.
These soils develop a reddish colour due to the diffusion of iron in crystalline and metamorphic rocks. It looks yellow when it occurs in a hydrated form.

Question 4

laterite soil

Answer 4

The laterite soil develops under tropical and subtropical climates with the alternate wet and dry season.
This soil is the result of intense leaching due to heavy rain.

Question 5

arid soil

Answer 5

Arid soils range from red to brown in colour.
This soil is generally sandy in texture and saline in nature.
Arid soil lacks humus and moisture.

Question 6

forest soil

Answer 6

These soils are found in the hilly and mountainous areas.
The soil texture is loamy and silty on the valley sides and coarse-grained on the upper slopes.