Correct option is B
The correct answer is (B) Duns
Explanation:
The longitudinal valleys lying between the Lesser Himalayas (Middle Himalayas) and the Shivalik Range are known as Duns (or Doon valleys).
These are structural valleys formed due to folding and faulting when the Himalayas were formed.
They are filled with alluvial soil and are often flat-bottomed and fertile, making them ideal for agriculture and settlement.
They are filled with alluvial soil and are often flat-bottomed and fertile, making them ideal for agriculture and settlement.
Examples of Duns:
Dehra Dun (between Mussoorie and Shivalik ranges)
Patti Dun
Kotlī Dun
Chaukamba Dun
Information Booster:
The Himalayas consist of three main parallel ranges:
- Himadri (Greater Himalayas)
- Himachal (Lesser Himalayas)
- Shivalik (Outer Himalayas)
The Duns occur between the Himachal and Shivalik ranges, running parallel to them.
These valleys are tectonic depressions formed due to folding during Himalayan uplift.
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