The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow through 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

A. Uplift of folded Himalayan series

B. Syntaxial bending of geologically young Himalayas

C. Geo-tectonic disturbance in the tertiary folded mountain chains

D. Both A and B above

Answer: Option D

Solution(By Examveda Team)

The Brahmaputra, Irrawady and Mekong rivers originate in Tibet and flow through 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 and Syntaxial bending of geologically young Himalayas.