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UPSC Civil Services 2011 Prelims General Studies Paper I

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Question : 97

Total: 100

The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow though narrow and parallel mountain ranges in their upper reaches. Of these rivers, Brahmaputra makes a “U” turn in its course to flow into India. This “U” turn is due to

Uplift of folded Himalayan series
Syntaxial bending of geologically young Himalayas
Geo-tectonic disturbance in the tertiary folded mountain chains
Both (a) and (b) above

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