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Subjects

Geography

The Himalayan Rivers

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.

Hard · Level 4 · 25 questions

Practice questions

01What is the main reason for high hydropower potential in the upper course of Himalayan rivers?

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02What is the basic difference between delta formation downstream and gorge formation upstream in Himalayan rivers?

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03What is the most useful basis to distinguish northern and southern tributaries in the Ganga system?

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04What is the general effect on soil when Himalayan rivers flood plains repeatedly?

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05The presence of Sundarban in the Ganga-Brahmaputra Delta indicates which environmental condition?

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06If a student treats Jamuna and Yamuna as the same river, which correction is correct?

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07What is the correct conclusion about the westward drainage direction of the Indus system?

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08Why are the large drainage basins of Himalayan rivers important for India's water resources?

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09In which part of Himalayan river courses are waterfalls and rapids mainly found?

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10Frequent shifting of river channels in the Ganga plain is most linked with which combined condition?

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11If a map shows Ganga tributaries coming from north to south, they will generally be linked with which region?

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12The joining of Dibang and Lohit with Brahmaputra shows which level of river structure?

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13Why is the drainage behaviour of peninsular rivers different from Himalayan rivers?

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14Which factors can increase drainage problems in the lower Ganga plains?

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15How do Himalayan rivers influence human settlement in India's plains?

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16Why is the statement that Himalayan rivers only bring destructive floods incomplete?

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17If a map shows a river flowing from Tibet through Arunachal Pradesh into Assam, it is linked with which system?

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18What does the presence of both Himalayan and peninsular source regions in the Ganga system show?

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19Which process best explains island formation in the Brahmaputra?

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20Why is it necessary to study Himalayan river systems from source to mouth?

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21Which climate-change-related concern is most logical for Himalayan rivers?

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22What effect can sediment deposition in the Ganga and Brahmaputra delta have on the coastline?

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23What causes distributaries to form in the lower courses of Himalayan rivers?

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24Why can deposition suddenly increase when fast upper Himalayan streams reach plains?

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25Which exam conclusion is correct from the length and tributary network of Himalayan rivers?

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