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Subjects

Geography

Drainage Systems in India

भारत की अपवाह प्रणालियाँ

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.

TOPIC PRACTICE

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Up to 20 questions from this page. Select your focus, then start.

20 questions

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Hard · Level 31 · river slope,deposition,meanders
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  1. Deposition will increase and the river may form bends
  2. Vertical erosion will always increase
  3. Water will become faster without sediment
  4. The river will immediately become a glacier
Hard · Level 31 · distributaries,lower ganga,delta
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  1. Low gradient and high sediment divide the main channel into branches
  2. Steep mountain slope keeps the river straight
  3. Glacier makes the river flow backward
  4. Sea water dries the river
Hard · Level 31 · himalayan rivers,peninsular rivers,comparison
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  1. Himalayan rivers are young and active while Peninsular rivers are more mature
  2. Both rivers are fed only by glaciers
  3. Both always flow westward
  4. Peninsular rivers form gorges in the Himalayas
Hard · Level 31 · indus tributaries,jhelum,chenab
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  1. Indus river system
  2. Godavari river system
  3. Kaveri river system
  4. Mahanadi river system
Hard · Level 31 · satluj,antecedent drainage,himalayan river
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  1. It flows by cutting deep valleys despite Himalayan uplift
  2. It ends only in the Rann of Kachchh
  3. It forms no valley
  4. It is a completely artificial canal
Hard · Level 31 · mahanadi delta,alluvial deposits,agriculture
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  1. Fertile alluvial deposits brought by the river
  2. Continuous spread of sea salt
  3. Deposition of ice by glaciers
  4. Permanent dune of desert sand
Hard · Level 31 · urbanisation,flood risk,runoff
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  1. Concrete surfaces reduce infiltration and increase surface runoff
  2. Cities always turn river water into glaciers
  3. Urban areas completely stop rainfall
  4. Concrete makes all river courses natural
Hard · Level 31 · river pollution,water quality,ecosystem
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  1. Water quality declines and aquatic ecosystem weakens
  2. The river automatically becomes a mountain
  3. River water always becomes sweet and pure
  4. Tributaries disappear immediately
Hard · Level 31 · trellis drainage,parallel ridges,drainage pattern
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  1. Trellis pattern
  2. Radial pattern
  3. Dendritic pattern
  4. Centripetal pattern
Hard · Level 31 · centripetal pattern,closed basin,drainage
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  1. Where streams flow towards a central depression or lake
  2. Where all streams flow outward from a mountain
  3. Where a river directly enters the sea
  4. Where there is no low area
Hard · Level 31 · river basin,boundary,water planning
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  1. It helps plan water resources, floods and land use
  2. It fixes the colour of the river
  3. It makes all rivers flow in one direction
  4. It completely ends rainfall
Hard · Level 31 · hydropower,himalayan rivers,gradient
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  1. High gradient and swift flow make energy generation possible
  2. Rivers are completely still and without flow
  3. Rivers end in deserts
  4. Rivers never contain water
Hard · Level 31 · flood plain,alluvium,deposition
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  1. Spreading and deposition of fine alluvium during floods
  2. Only glacial erosion in mountains
  3. Cutting rocks by sea waves
  4. Complete drying of groundwater
Hard · Level 31 · gorge,vertical erosion,himalayan drainage
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  1. The river has strong vertical erosion power
  2. The river has no gradient
  3. The river is flowing only in a delta
  4. The river has no water source
Hard · Level 31 · peninsular drainage,eastward slope,deccan plateau
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  1. Most rivers flow east because the general slope of the plateau is eastward
  2. All rivers flow towards the Himalayas
  3. All rivers flow only westward
  4. The plateau has no slope direction
Hard · Level 31 · river course change,flood,erosion
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  1. Risk of erosion, flood and land loss
  2. Immediate formation of Himalayas
  3. Complete disappearance of the sea
  4. Permanent stoppage of rainfall
Hard · Level 31 · lakes,river system,water storage
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  1. They can help in water storage, flow regulation and ecology
  2. They permanently stop all rivers
  3. They always make river water saline
  4. They end the river basin
Hard · Level 31 · tributaries,river system,sediment load
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  1. They affect the water, sediment and basin area of the main river
  2. They never join the main river
  3. They only end separately in the sea
  4. They are not part of a river system
Hard · Level 31 · drainage diversity,india,physical factors
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  1. Diversity in relief, rock structure, climate and slope
  2. Same rock and slope throughout the country
  3. Same source of all rivers
  4. Complete absence of river water in the country
Hard · Level 31 · himalayan rivers,flood plains,course shifting
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  1. Because they always flow without sediment
  2. Because they enter flat plains with high discharge and heavy sediment
  3. Because they end only in desert areas
  4. Because they flow backward due to sea tides