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Consider the following: (1) Malda fault in West Bengal separates the northeastern parts from the Chotanagpur plateau (2) The east flowing rivers form estuaries before entering into the Bay of Bengal. (3) The old and new alluvial deposits in the Terai belt are called Bhangar and Khadar

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Which of the above statements is correct?

(a) 1 only

(b) 1 and 2 only

(c) 1 and 3 only

(d) 1, 2 and 3

Solution:

The statements “Malda fault in West Bengal separates the northeastern parts from the Chotanagpur plateau” and “The old and new alluvial deposits in the Terai belt are called as Bhangar and Khadar” are correct. Statements 1 and 3 are correct.

Formation of Chota Nagpur plateau

A large region of land raised above the surrounding terrain is known as a plateau, and the Chota Nagpur Plateau is one of them. The plateau was created by the rising of the continent due to forces operating deep inside the earth. The Gondwana substrates provide evidence for the plateau’s long history. It is a piece of the Deccan Plate, which separated from the southern continent during the Cretaceous and began a trip that would last 50 million years before colliding with the Eurasian continent. The Deccan Plateau’s northeastern corner, where this ecoregion is located, was the earliest point of contact with Eurasia.

The Bhangar Plains

  • These older alluvial plains are an upland area of the alluvial plain.
  • These sites are appropriate for farming since they are well-drained.
  • This region is calmly above the neighboring rivers’ flood limits.
  • Due to the high concentration of nutrients and humus in the soil, it produces a high yield.
  • It has naturally impure calcium carbonate nodules known as Kankars.

The Khadar Plains

  • Alluvial sediments along the river’s path contributed to the formation of the new plains.
  • annually enriched and created by new silt deposits.
  • Sand, mud, clay, and silt all make up the Khadar land silt.
  • Rice, sugarcane, wheat, maize, and oilseeds can all be grown on the Khadar lands.

Summary:

Consider the following: (1) Malda fault in West Bengal separates the northeastern parts from the Chotanagpur plateau (2) The east flowing rivers form estuaries before entering into the Bay of Bengal. (3) The old and new alluvial deposits in the Terai belt are called Bhangar and Khadar

It is true that the northeastern region is divided from the Chotanagpur plateau by the Malda fault in West Bengal, and that the Terai belt’s old and new alluvial deposits are referred to as Bhangar and Khadar.

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