Brahmaputra and Indus rivers are antecedent rivers Which one of the following may be the true defini...........

Geography and Environment (NDA) India - Water bodies

Brahmaputra and Indus rivers are antecedent rivers. Which one of the following may be the true definition of an antecedent drainage?

Which follows the initial slope of the Himalaya

Which existed before the Himalayan range came into existence

Which followed the dip or rock beds of the Himalaya

Which followed the strikes of rock beds of the Himalaya

Explanation:

Antecedent streams existed before the uplifiment of upland or mountain across which they have maintained their present courses through continuous down-cutting of their valleys. Many of the major Himalayan rivers are examples of antecedent streams e.g. the Indus, the Sutlej, the Ganga, the Ghagra, the Kali, the Gandak, the Kosi, the Brahmaputra