India Physical Environment-3 ➤ Drainage System 1. Which river consists 77% of the drainage area? Ganga Brahmaputra Mahanadi All of them 2. The area drained by a river is Watershed Basin Catchment All of them 3. The antecedent river of Ganga is Ghaghra Gandak Kosi Sun Kosi 4. When the drainage develops similar to branches of a tree, it is called: Radial Dendritic Centripetal Trellis 5. The largest river of Rajasthan is Sabarmati Saraswati Luni Sagarmati 6. Which river was dismem bered into three main drainage systems? Ganga Brahmaputra Indus Indo-Brahma 7. The river Ganga discharges itself into the Bay of Bengal Arabian Sea None of them Both of them 8. The river Godavari rises in Gomukh Nasik Uttarkashi Dev prayag 9. On the basis of regional distribution the Indian drainage system is categorised into: two four three five 10. The length of Brahmaputra is 850 km. 750 km. 800 km. 700 km. Loading … Question 1 of 10