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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 6 · 22 questions

Practice questions

01In which land condition does dendritic drainage pattern develop most commonly?

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02What does the angular relation between main and tributary streams in trellis pattern show?

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03What similarity can be seen between radial pattern and the idea of water divide?

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04How does control of rock fractures appear in rectangular pattern?

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05What is the role of slope in a parallel drainage pattern?

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06What effect can a large catchment and many tributaries have on a river system?

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07If river velocity is low and sediment load is high which process will dominate?

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08If a river forms gorges upstream and delta downstream what conclusion is correct?

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09What physical reason may explain waterfalls in Peninsular rivers?

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10What is the deepest basis for comparing Himalayan and Peninsular river systems?

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11What is the importance of studying Aravalli region as a water divide?

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12Which is the most balanced conclusion about India’s drainage systems?

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13What broad principle is shown by gorges in Himalayan rivers and meanders in plains?

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14Why is a deeply shifting channel less common in old Peninsular rivers?

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15If a river has its source in high mountains and mouth on a shallow calm coast, which sequence is more likely?

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16Why is it necessary to study northern and southern tributaries separately in the Ganga system?

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17Why would it be wrong to call a stream branching away in a delta a tributary?

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18Why is classifying river systems in India only by direction not enough?

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19If a highland sends water of two rivers in different directions, what will it be called?

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20Which analysis explains Brahmaputra floods beyond only heavy rainfall?

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21Why are east flowing Peninsular rivers more successful in delta formation than west flowing rivers?

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22What is the best way to understand physical diversity in Indian drainage systems?

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