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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 5 · 25 questions

Practice questions

01Where is map skill most useful in hard questions based on Himalayan rivers?

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02Which fact is most helpful in considering Himalayan rivers antecedent?

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03Which is the most suitable reason for perennial flow in Himalayan rivers?

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04What is the main geomorphic reason for deep valleys in Himalayan rivers?

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05What is the correct basis for placing Indus Ganga and Brahmaputra among Himalayan river systems?

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06What does the Indus flowing through Ladakh clarify?

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07Which statement is correct about Bhagirathi as the main stream of the Ganga?

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08Why does Devprayag have special importance in the Ganga system?

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09How should the Yamuna be correctly understood in the Ganga system?

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10What is the main difference between Prayagraj and Devprayag?

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11Why can the northern tributaries of the Ganga increase flood risk in plains?

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12What is the correct basis for identifying the Son separately in the Ganga system?

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13Which fact indirectly connects Chambal with the Ganga system?

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14Which option gives the correct regional names of the Brahmaputra?

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15What explains the wide and flood prone character of the Brahmaputra in Assam?

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16What is the main reason for linking Sundarbans with the Ganga Brahmaputra system?

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17The northern plains were formed by which long term process of Himalayan rivers?

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18On what basis are Bhangar and Khadar differentiated?

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19Repeated renewal of Khadar soil is linked with what?

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20Why is river work different in upper and lower courses of Himalayan rivers?

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21What is the most suitable reason for meander formation in the Ganga plain?

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22Which effect increases due to heavy sediment load in the Ganga Brahmaputra delta?

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23Under which condition can alluvial fans form in Himalayan rivers?

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24How does alluvial soil formed by Himalayan rivers affect agriculture?

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25If both water and sediment increase in a Himalayan river during monsoon, which effect is more likely in plains?

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