PHYSIOGRAPHIC DIVISION OF INDIA
HIMALAYAN MOUNTAINS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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These valleys are covered with ____
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Thick Gravel
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Alluvium
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Both of Them
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none of above
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Explanation:
Detailed explanation-1: -Among the lesser himalayas and shiwaliks, longitudinal valleys are known as ‘duns’ in the west and ‘duars’ in the east. The main examples are Dehra Dun, Kothari Dun and Patli Dun.-The accumulation of conglomerates formed the Shivalik Hills (sand, stone, silt, gravel, debris etc.).
Detailed explanation-2: -Siwaliks are the youngest ranges of the Himalayas. The valley of these ranges are called ‘Duns’ or ‘Duars’. Doon or Dun is a local word for valley, particularly an open valley in the Shivaliks or between the Shivaliks and higher Himalayan foothills.
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