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Subjects

Geography

Role of Rivers

In Class 9 Geography, this topic from the chapter “Drainage” explains how rivers shape the land through erosion, transportation and deposition. Students learn how river systems and drainage patterns influence plains, valleys, agriculture, settlements, transport and the availability of water. The topic also highlights the importance of rivers in human life, along with challenges such as pollution, floods and the need for careful conservation and management of river resources.

Medium · Level 6 · 25 questions

Practice questions

01How does the balance between tides and river deposition at the mouth affect delta formation?

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Answer and explanation

02Alluvial soil brought by rivers is especially important for which major region of India?

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03Why is a river flood not always considered only harmful?

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04What is one geographical reason for dense population along rivers?

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05Hydropower generation from river water is based on which idea?

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06Why may natural vegetation be found more near river banks?

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07Why can river water transport be cheaper than road transport in some areas?

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08Why are waterfalls likely to form in the upper course of a river?

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09What does domestic and industrial use of river water depend on?

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10What effect can deforestation in a river catchment have on the river?

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11What can be a common reason for a sudden increase in river flow?

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12Which relation between rivers and human livelihood is correct?

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13What effect can excessive use of river water have on the downstream area?

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14What effect can high sediment load in a river have on reservoirs?

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15When can an estuary form at a river mouth?

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16Why is it easier to develop transport networks in plains formed by rivers?

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17Which example shows the cultural importance of rivers?

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18Why can illegal construction near river banks increase flood risk?

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19Why is checking water quality necessary while using river water?

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20How can river flow affect the local economy of an area?

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21Which measure can help control river erosion?

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22Which point must be included in a balanced answer on the role of rivers?

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23What is the main reason for sandy deposits forming along river banks?

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24What is the main purpose of developing a canal system using river water?

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25Why is maintaining a river's natural flow important for ecology?

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