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The Brahmaputra, Irrawaddy and Mekong Rivers originate in Tibet’s 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

The Brahmaputra, Irrawaddy and Mekong Rivers originate in Tibet’s 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:

(b)

Core Books/NCERT

Explanation

The “U” turn of the Brahmaputra River is due to the syntaxial bending of geologically young Himalayas, which causes the river to change its direction sharply.