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Q62 (NDA-I/2016) Geography › Indian Physical Geography › Indian physical features Answer Verified

In Thar region, the shifting sand dunes are locally known as

Result
Your answer: —  Â·  Correct: A
Explanation

In the Thar Desert, shifting sand dunes are locally referred to as 'Dhrian'. These dunes are in continual motion, varying in shape and size due to wind action [1]. The Thar Desert is a vast arid region characterized by wind-deposited (aeolian) sand accumulations [2]. While the general term for sand ridges in the region is 'thul' [2], the specific term for the mobile, crescent-shaped or longitudinal dunes that migrate across the landscape is Dhrian. These dunes are particularly prominent in the western part of Rajasthan, such as near Jaisalmer, where they are known for their dynamic nature. Other terms like 'Dhaya' refer to fertile floodplains in the Punjab region, and 'Dhoros' typically refers to abandoned river channels or depressions, making 'Dhrian' the correct local term for the shifting dunes of the Great Indian Desert.

Sources

  1. [1] Geography of India ,Majid Husain, (McGrawHill 9th ed.) > Chapter 2: Physiography > The Thar Desert > p. 46
  2. [2] https://www.britannica.com/place/Thar-Desert
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