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Zorluk: KolayPhysiography and Relief Features of India

Which of the following statements regarding the physiographic divisions of the Northern Plains of India are correct?

  1. The Bhabar belt lies adjacent to the Shiwalik foothills and consists of porous pebble deposits where streams disappear underground.Cevap
  2. The Terai belt lies south of the Bhabar belt and is a swampy, marshy tract where underground streams re-emerge to the surface.Cevap
  3. C
    The Bhangar region represents the newer, highly fertile alluvial deposits renewed annually by river flooding.
  4. D
    The Khadar region consists of older alluvium lying above flood levels containing calcareous deposits known as Kankar.

Cevap

The correct statements are that the Bhabar belt lies adjacent to the Shiwalik foothills with porous pebble deposits where streams sink underground, and the Terai belt lies south of the Bhabar where streams re-emerge creating a marshy zone.
The Bhabar belt consists of coarse pebbles along the Shiwalik foothills where streams disappear due to porosity, and the Terai belt directly south of it is a marshy region where these streams re-emerge. Both statements correctly state these physiographic properties.

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1
Analyze the features of the Bhabar belt.
The Bhabar is a narrow porous belt of pebbles along the Shiwalik foothills where streams disappear, making the statement correct.
Coarse sediment accumulation near the river break of slope creates high porosity.
2
Analyze the features of the Terai belt.
The Terai is a marshy, poorly drained belt lying south of the Bhabar where sub-surface streams re-emerge, making the statement correct.
Topographic flattening forces lost streams back up to the surface.
3
Differentiate between Bhangar and Khadar alluvial deposits.
Bhangar is older alluvium with Kankar nodules forming elevated terraces, while Khadar is newer, flood-renewed fertile silt on active floodplains.
The statements describing Bhangar as newer flood-renewed alluvium and Khadar as older alluvium with Kankar interchanged the definitions.

Anahtar Kavram

Sub-divisions of the Northern Plains of India based on relief and sediment characteristics (Bhabar, Terai, Bhangar, Khadar).
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Konular

Physiography and Relief Features of India

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