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Subjects

Geography

Role of Rivers

नदियों की भूमिका

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.

TOPIC PRACTICE

Quiz this set

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

20 questions

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Medium · Level 40 · upper course,erosion,river gradient
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  1. Greater slope gives water more energy
  2. Water never flows there
  3. There is always sea there
  4. Only delta forms there
Medium · Level 40 · river deposition,lower course,river gradient,sediment transport,drainage,geography class 9
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  1. Water speed becomes very high
  2. Slope decreases and flow becomes slower
  3. The river completely dries up
  4. Mountains suddenly rise
Medium · Level 40 · dams,flood control,river management
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  1. They can store excess water for some time
  2. They permanently stop rainfall
  3. They turn rivers into soil
  4. They make sea disappear
Medium · Level 40 · settlement,river valleys,water
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  1. Because water fertile land and routes are available there
  2. Because there is no resource there
  3. Because river is always poisonous there
  4. Because farming is impossible there
Medium · Level 40 · culture,religion,rivers
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  1. Only in mineral production
  2. In worship bathing pilgrimage and fairs
  3. Only in volcanoes
  4. Only in desert storms
Medium · Level 40 · industry,river water,water management
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  1. Because industries need water for processing cooling and cleaning
  2. Because rivers close every industry
  3. Because industries do not need water
  4. Because rivers flow only in the sky
Medium · Level 40 · sand mining,river bed,erosion
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  1. Instability of river bed and banks
  2. End of sunlight
  3. Mountain becoming sea
  4. End of all pollution
Medium · Level 40 · delta,settlement,fertile soil
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  1. Because fertile soil and water are available there
  2. Because farming never happens there
  3. Because there is always snow there
  4. Because there is no transport there
Medium · Level 40 · river diversion,downstream,water availability
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  1. Water availability may decrease downstream
  2. Sea becomes mountain
  3. All fields get irrigated automatically
  4. River pollution ends
Medium · Level 40 · navigation,river depth,transport
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  1. Depth and flow are not the same everywhere
  2. Every river has gold
  3. Rivers never contain water
  4. Every river stays away from the sea
Medium · Level 40 · river ecology,habitat,nutrients
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  1. By providing water habitat nutrients and flow
  2. Only by throwing stones
  3. By changing the Sun's direction
  4. By melting mountains
Medium · Level 40 · drinking water,purification,health
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  1. Because it may contain impurities and germs
  2. Because pure water causes harm
  3. Because river water is always stone
  4. Because treatment dries the river
Medium · Level 40 · floods,benefits,alluvial deposits
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  1. Because floods can also deposit fertile sediment
  2. Because floods never cause damage
  3. Because floods only form mountains
  4. Because floods end rivers
Medium · Level 40 · river valley,transport route,trade
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  1. Valleys can provide natural routes and gentler gradients
  2. Valleys are always in the sky
  3. Valleys have no land
  4. Valleys are only volcanic smoke
Medium · Level 40 · economic importance,hydropower,fisheries
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  1. Irrigation hydropower transport and fisheries
  2. Only Moon and stars
  3. Only volcanoes and deserts
  4. Only air and smoke
Medium · Level 40 · river pollution,irrigation,soil health
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  1. Polluted water can harm crops and soil
  2. All crops will grow automatically
  3. Soil will always become gold
  4. Need for water will end
Medium · Level 40 · green belt,river conservation,bank erosion
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  1. Soil erosion and pollutant runoff can reduce
  2. The river dries immediately
  3. All fish disappear
  4. Lava starts flowing in the river
Medium · Level 40 · religious fairs,river pollution,cleanliness
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  1. When waste and wastewater are released into the river
  2. When cleanliness arrangements are strong
  3. When waste is collected
  4. When river conservation is done
Medium · Level 40 · water dispute,shared resource,river water
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  1. Limited water resource and needs of many users
  2. Size of the Moon
  3. River catching fire
  4. Every state having sea
Medium · Level 40 · river flow,aquatic habitat,water quality
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  1. Habitat depth and oxygen conditions may change
  2. The river becomes the Moon
  3. Fish start living in air
  4. Mountains always fall into river