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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 1 · 25 questions

Practice questions

01What is the strongest geographical basis for considering Himalayan rivers antecedent?

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02Which combination is the basic reason for perennial flow in Himalayan river systems?

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03Why is seasonal flow more commonly seen in Peninsular rivers?

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04Which explanation best describes the relation between a river basin and a water divide?

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05What geological condition does a trellis drainage pattern indicate?

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06Rivers flowing in different directions from the Amarkantak region explain which pattern?

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07What do right-angled bends in rectangular drainage pattern indicate?

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08Which relief condition is most suitable for a parallel drainage pattern?

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09Which is the correct group of major tributaries of the Indus system in India?

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10Which is the correct set of regional names of the Brahmaputra?

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11Comparing Devprayag and Prayagraj removes which confusion in the Ganga system?

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12What is the main basis of difference between northern and southern tributaries of the Ganga?

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13Why does course shifting of the Kosi river increase flood problems in Bihar?

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14Which combination explains the wide channel and river islands of the Brahmaputra in Assam?

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15What is the main reason for a dense network of distributaries in the Ganga-Brahmaputra delta?

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16Why is it necessary to connect the Sundarbans with a river system rather than seeing it only as a forest area?

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17What comparative reason explains large deltas on the eastern coast and estuaries on the western coast?

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18Why are Narmada and Tapi considered exceptions to the general Peninsular flow direction?

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19Which fact is most relevant in calling the Narmada valley a rift valley?

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20Which reason is most suitable for calling Godavari the Dakshin Ganga?

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21What is the most correct basis for placing Krishna and Kaveri among east-flowing Peninsular rivers?

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22What conclusion emerges by studying Mahanadi Godavari Krishna and Kaveri together?

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23Why is it geographically wrong to place Mahi and Sabarmati in the Ganga system?

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24Which special condition in India's drainage system is proved by the Luni river?

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25What is the most suitable reason for the development of inland drainage in the Thar region?

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