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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.

Expert · Level 4 · 25 questions

Practice questions

01How does the general slope of the Deccan Plateau affect river flow?

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02On what basis is it correct to place Mahi and Sabarmati among west-flowing rivers?

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03Study of the Luni river challenges which assumption about Indian drainage?

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04Rivers failing to reach the sea in the Thar region is linked with which conditions?

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05Why is it necessary to study Bhangar and Khadar in the context of the Ganga plain?

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06Why is Khadar soil considered more renewed?

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07What is the combined role of Indus Ganga and Brahmaputra systems in forming the northern plains?

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08What is the basic reason for the difference in river work between upper and lower courses?

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09Meander formation in the Ganga plain can be explained by which combination of processes?

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10Which condition at a river mouth is most decisive for delta formation?

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11Why may an estuary have fewer branches than a delta?

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12What is the direction-based difference between a tributary and a distributary?

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13Which idea is correct while connecting Hooghly with the Ganga system?

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14How is Chambal indirectly connected with the Ganga system?

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15On what basis is it correct to call the Son a southern tributary of the Ganga?

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16Why is it necessary to include basin size and tributaries in flood analysis?

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17If a river's velocity decreases and sediment load is high, which process will dominate?

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18If a river forms gorges upstream and delta downstream, what is the correct conclusion?

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19What structural reason can explain waterfalls in Peninsular river systems?

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20What can be understood from drainage patterns besides river courses?

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21How does the size of a river basin give a useful signal in water management?

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22Which broad group of factors explains the diversity of drainage in India?

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23Which statement explains a river system beyond only names?

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24Which option gives the most balanced conclusion about India's drainage systems?

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25Which conclusion is most correct when water divide and river basin are studied together?

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