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Subjects

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

Why do distributaries form in the Ganga Brahmaputra delta?MediumLevel 32How were the northern plains formed by Himalayan rivers?MediumLevel 32Why is alluvial soil considered useful for agriculture?MediumLevel 32Khadar soil formation is linked with what?MediumLevel 32Which is the correct difference between Bhangar and Khadar?MediumLevel 32What is the main reason for meander formation in the plains of Himalayan rivers?MediumLevel 32Which is the correct sequence of river work in upper and lower courses of a Himalayan river?MediumLevel 32How are flood plains of Himalayan rivers formed?MediumLevel 32What can be an effect of the large catchment area of Himalayan rivers?MediumLevel 32What is the main effect of the tributary network of Himalayan rivers?MediumLevel 32What is the effect of high sediment in Himalayan rivers on the delta area?MediumLevel 32Which feature makes the Ganga system highly important?MediumLevel 32A large part of the Indus system is located in which country today?MediumLevel 32Where are features like alluvial fans likely to form in Himalayan rivers?MediumLevel 32Which problem can increase due to river course shifting in the Ganga plain?MediumLevel 32Which famous region is linked with the combined deposition of Brahmaputra and Ganga?MediumLevel 32Why does the velocity of Himalayan rivers decrease after entering plains?MediumLevel 32Why can floods of Himalayan rivers sometimes be useful for agriculture?MediumLevel 32Why is the soil of northern plains formed by Himalayan rivers fertile?MediumLevel 32What is one reason for high sediment in Himalayan rivers?MediumLevel 32