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Subjects

Geography

Drainage Systems in India

In this Class 9 Geography topic from the chapter Drainage, students learn how water flows across India through river systems, drainage basins, and networks. They explore the Himalayan and Peninsular river systems, compare their origins, courses, seasonal flow, and landforms, and understand patterns such as dendritic, trellis, and radial drainage. The topic also introduces the importance of rivers and lakes, along with concerns related to floods, pollution, and water management.

Medium · Level 4 · 25 questions

Practice questions

01Why does deposition increase in the lower course of a river?

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02Why can the Brahmaputra channel be wide and braided in Assam?

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03If a river forms a large delta in the Bay of Bengal, it most closely matches which group?

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04Which option correctly compares Himalayan and Peninsular rivers?

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05If a river ends inland before reaching the sea, with which drainage type will it be associated?

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06Why is it necessary to include river pollution in the study of drainage system?

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07Why is stopping untreated wastewater important in river conservation?

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08Why is the relationship between rivers and agriculture strongest?

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09Why have ancient and modern settlements developed in river valleys?

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10How can a river changing its course affect the nearby area?

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11Which group will be considered correct among left-bank tributaries of the Ganga?

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12How should the Son River be remembered in the Ganga system?

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13Which option correctly matches a river with its final water body?

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14Which option gives an incorrect river group?

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15Why is understanding river direction useful in drainage system?

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16On a map, if a river flows westward into the Arabian Sea, which group could it belong to?

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17If a river flows eastward and forms a delta, which could it be?

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18Why are Peninsular river valleys generally considered mature?

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19Why do Himalayan rivers form deep valleys in their upper course?

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20What is the similarity between river basin and catchment area?

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21Why is the impact of flood not considered only negative?

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22How can human activities affect a river system?

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23Why is map study important for understanding India's drainage system?

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24What is the best order to study a river system?

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25Why can reduction of forests in a river's drainage area increase the possibility of floods?

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