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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.

Expert · Level 1 · 25 questions

Practice questions

01Which is the most accurate evidence of antecedent drainage in Himalayan rivers?

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02Indus and Brahmaputra cutting across the Himalayas to form deep valleys is the result of which process?

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03What is the most important combined reason for calling Himalayan rivers perennial?

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04What is the river-system significance of the Ganga being called Ganga after Devprayag?

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05Why are Jhelum, Chenab, Ravi, Beas and Satluj studied together in the Indus river system?

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06What is the correct basis for considering Yamuna a major tributary of the Ganga system?

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07Why are Ghaghara, Gandak and Kosi closely linked with floods in the Ganga system?

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08How are Chambal, Betwa and Son distinguished from Himalayan tributaries of the Ganga?

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09What does Brahmaputra being called Tsangpo in Tibet and Dihang in Arunachal show?

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10Why is the Brahmaputra relatively less silt-laden in Tibet but more silt-laden in Assam?

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11Which combined condition makes the Brahmaputra highly flood-prone in Assam?

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12What is the most scientific reason for the huge size of the Ganga-Brahmaputra Delta?

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13The division of the Ganga near Farakka clarifies which river concept?

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14Why is it important to understand Padma, Jamuna and Meghna in the correct sequence?

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15Meanders and oxbow lakes are more associated with which part of Himalayan rivers?

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16What is the correct sequence for the formation of natural levees by Himalayan rivers?

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17Which cause best explains the course-shifting tendency of the Kosi River?

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18Why is hydropower potential high in the upper courses of Himalayan rivers?

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19The Indus draining into the Arabian Sea and the Ganga-Brahmaputra into the Bay of Bengal is important for which study skill?

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20What is the main basis of agricultural usefulness of alluvial plains formed by Himalayan rivers?

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21What is the most reliable basis for separating northern and southern tributaries in the Ganga system?

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22Which river-system principle is clarified when Dibang and Lohit join the Brahmaputra?

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23Which change is most expected when slope decreases in the plain course of Himalayan rivers?

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24The presence of Sundarban in the Ganga-Brahmaputra Delta shows which combined condition?

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25If a student treats Jamuna and Yamuna as the same river, what is the most correct correction?

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