Geography
The Himalayan Rivers
हिमालयी नदियाँ
In Class 9 Geography, this topic from the chapter “Drainage” introduces the Himalayan river systems, especially the Indus, Ganga and Brahmaputra. Students learn how these rivers are fed by glaciers, snow and rainfall, making them largely perennial, and trace their courses, major tributaries and drainage patterns. The topic also explains how Himalayan rivers shape deep gorges, valleys, meanders, floodplains and deltas, while supporting farming, settlements and ecosystems. It highlights their economic importance as well as the challenges of floods, erosion and changing water conditions.
Practice questions
Which explanation correctly describes the changing nature of the Brahmaputra from Tibet to Assam?HardLevel 33What is the most appropriate reason for considering the Brahmaputra flood-prone in Assam?HardLevel 33Which is the most important reason for the huge size of the Ganga-Brahmaputra Delta?HardLevel 33What is the geographical significance of the Ganga's bifurcation near Farakka?HardLevel 33The correct sequence of Padma, Jamuna and Meghna shows which river journey?HardLevel 33What is the basic reason for meanders and oxbow lakes in Himalayan river plains?HardLevel 33Which option correctly explains the formation of natural levees by Himalayan rivers?HardLevel 33Why is the Kosi River known as a river that changes its course?HardLevel 33If a river system has many tributaries, what will be the effect on its drainage basin?HardLevel 33The Indus draining into the Arabian Sea and Ganga-Brahmaputra into the Bay of Bengal explains which concept?HardLevel 33Why are alluvial plains of Himalayan rivers highly fertile?HardLevel 33Why would the Ganga system be incomplete without understanding Bhagirathi and Alaknanda?HardLevel 33What does Yamuna's journey from Yamunotri to Prayagraj show?HardLevel 33What does the Brahmaputra being known as Tsangpo, Dihang and Brahmaputra show?HardLevel 33What is the main reason for high hydropower potential in the upper course of Himalayan rivers?HardLevel 33What is the basic difference between delta formation downstream and gorge formation upstream in Himalayan rivers?HardLevel 33What is the most useful basis to distinguish northern and southern tributaries in the Ganga system?HardLevel 33What is the general effect on soil when Himalayan rivers flood plains repeatedly?HardLevel 33The presence of Sundarban in the Ganga-Brahmaputra Delta indicates which environmental condition?HardLevel 33If a student treats Jamuna and Yamuna as the same river, which correction is correct?HardLevel 33