Geography · Physiography of Rajasthan
The Ghaggar Plain is recognized as the northernmost sub-division of the Semi-Arid Basin (Rajasthan Bangar). In the context of its modern relief and administrative coverage, which of the following statements provides the most accurate summary of its physical features and spatial extent?
- 1It is characterized by a calcareous substratum at 450 metres above sea level, featuring longitudinal sand dunes and the seasonal Kantli River.
- 2It spans an area of 34,866.4 square kilometres, is drained by the seasonal Sukari and Bandi rivers, and contains alluvial plains locally known as 'Naid'.
- 3It occupies approximately 75% of Hanumangarh and Sriganganagar districts, lacks active drainage systems, and is characterized by sand dunes with heights between 6 m and 30 m.✓
- 4It covers a rocky landscape of 65 square kilometres across Bikaner and Jaisalmer, featuring limestone and sandstone from the Jurassic period.
Correct answer
It occupies approximately 75% of Hanumangarh and Sriganganagar districts, lacks active drainage systems, and is characterized by sand dunes with heights between 6 m and 30 m.
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