UPPSC 2019 GS-I Indian Geography
Question

In which of the following rivers, the upper course contains fresh water but saline water flowing at the lower part?

Answer & Solution

Answer: (Detailed Solution Below)

Option B: Luni river

Detailed Solution:

The correct answer is “Luni river”.

The Luni River in Rajasthan is a unique river in India where the upper course contains fresh water, but saline water flows in the lower part of the river.

The Luni River originates in the Aravalli Range near Ajmer and flows through the Thar Desert before emptying into the Arabian Sea.

The river basin is arid and receives very little rainfall, leading to high rates of evaporation and salt deposition. As a result, the Luni River has become highly saline in its lower course.

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