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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.

Hard · Level 6 · 25 questions

Practice questions

01How does monsoon uncertainty affect Peninsular drainage?

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02How should the relation of projects like Bhakra Nangal with river systems be understood?

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03What can be the possible effect of deforestation in a river basin on drainage?

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04Which combination best explains the perennial nature of Himalayan rivers?

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05If the slope of a river suddenly decreases, what change in its drainage behaviour is likely?

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06What causes distributaries to form in the lower Ganga plain?

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07Which statement is most correct in comparing Himalayan and Peninsular rivers?

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08In which river system are Jhelum, Chenab, Ravi, Beas and Satluj considered major tributaries?

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09How does the course of the Satluj show the feature of an antecedent river?

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10The agricultural usefulness of the Mahanadi delta is linked with which geographical process?

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11How can urbanisation increase flood risk in a river basin?

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12What can be the long-term effect of river pollution on a drainage system?

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13If an area has parallel ridges and valleys, which drainage pattern is more likely to form?

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14In what type of area can a centripetal drainage pattern be found?

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15Why is it necessary to know basin boundaries while studying Indian river systems?

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16Why is hydropower potential considered high in Himalayan rivers?

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17Which river action is most important in the formation of flood plains?

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18What does gorge cutting by a Himalayan river indicate?

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19Which statement best explains the direction of Peninsular drainage?

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20What risk can increase for human settlements when a river changes its course?

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21What can be the importance of lakes in a river system?

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22Why is the study of tributaries important in a river system?

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23What is the main reason for diversity in India's drainage systems?

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24Why can Himalayan rivers show more course shifting and expansion of flood plains?

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25Why does the study of drainage patterns give more information than a list of rivers?

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