Question

The region of older alluvium of the Ganga plain is known as_________.
A. Khadar
B. Bhabar
C. Bangar
D. Tarai

Answer 1

Hint: Indo-Gangetic Plain, also called North Indian Plain is a vast area of the Indian subcontinent. It is formed by the confluence of the three river systems, the Brahmaputra River , the Ganges and the Indus River .

Complete Answer:

a.Khadar is the new alluvial soil. This option is incorrect.

b. Bhabar is the gently-sloping coarse alluvial zone below the Shivalik Hills. This option is incorrect.

c. The alluvial soil found in India, specifically in the Indo–Gangetic plain. It is of two types, the old new khadar soil and the old Bangar soil.
-The area of older alluvium of the Ganga plain is known as Bangar plain. In the Gangetic plains, it has a low upland covered by laterite deposits and forms the alluvial terrace of the flood plains.
-Bangar is found away from the river and has high concentration of kankar nodules. It is comparatively less fertile as compared to the khadar soil.
-These areas are well-drained and are adequate for cultivation. This area lies above the flood limits of the neighbouring rivers.
-The soil here is dark in colour and is rich in humus and gives a high yield due to the rich proportion of minerals in the soil.

d. Terai is swampy lowland with silty soils. This option is incorrect.

Hence, the correct answer is option c.

Note: Alluvial soil is light porous and is easily tillable. The soil is suitable for cultivation of Rice, maize, wheat, sugarcane, oilseeds, etc.