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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 42 · silt,deposition,floodplain
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  1. Depositional process
  2. Volcanic process
  3. Glacial process
  4. Wind erosion process
Medium · Level 42 · canals,irrigation,river water
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  1. Fishing
  2. Irrigation
  3. Mining
  4. Deforestation
Medium · Level 42 · pollution,biodiversity,aquatic organisms
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  1. Number and health of aquatic organisms may decline
  2. All organisms immediately increase
  3. Water always becomes richer in oxygen
  4. There is no change in the river
Medium · Level 42 · river course,plains,sediment
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  1. Due to low slope and sediment deposition, the course may change
  2. Because plains have no water
  3. Because a river flows only upward
  4. Because the Sun pushes the river
Medium · Level 42 · multipurpose project,dam,water resources
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  1. Because they do only one work
  2. Because they perform many functions like irrigation, power, flood control and water supply
  3. Because they make the river invisible
  4. Because they are made to stop farming
Medium · Level 42 · floodplain,risk,settlement
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  1. Risk of damage from floods
  2. Risk of solar eclipse
  3. Risk of Himalaya formation
  4. Risk of sea drying
Medium · Level 42 · natural boundary,river,map
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  1. It can form a clear physical line between two areas
  2. It always removes all boundaries
  3. It flows only inside the sea
  4. It makes maps useless
Medium · Level 42 · geography,river role,human life
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  1. Because it is limited only to memorising names
  2. Because it explains the relation among landforms, resources and human life
  3. Because it changes all rules of Mathematics
  4. Because it is only a topic of marine animals
Medium · Level 42 · constructive role,destructive role,floods
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  1. Silt deposition in floodplains and damage by floods
  2. Only formation of mountains
  3. Only rising of sea waves
  4. Only blowing dust in deserts
Medium · Level 42 · river tourism,recreation,culture
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  1. Because river valleys can provide scenic views, boating and cultural sites
  2. Because rivers stop all tourists
  3. Because river water is always poisonous
  4. Because rivers make mountains disappear
Medium · Level 41 · geography,drainage,rivers
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  1. Because it collects tributary water and carries it forward
  2. Because it stops rainfall
  3. Because it always flows away from the sea
  4. Because it forms only from groundwater
Medium · Level 41 · geography,drainage,rivers
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  1. Erosion
  2. Transportation
  3. Condensation
  4. Evaporation
Medium · Level 41 · geography,drainage,rivers
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  1. Decrease in slope and velocity
  2. Complete stoppage of rainfall
  3. Water becoming saline
  4. River becoming a glacier
Medium · Level 41 · geography,drainage,rivers
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  1. Because only rocks are found there
  2. Because the river deposits alluvial material during floods
  3. Because water never comes there
  4. Because wind burns the soil
Medium · Level 41 · geography,drainage,rivers
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  1. The river has high velocity and strong vertical erosion
  2. The river remains completely still there
  3. Sea waves erode it
  4. The river only deposits there
Medium · Level 41 · geography,drainage,rivers
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  1. Formation of desert
  2. Formation of oxbow lake
  3. Formation of glacier
  4. Formation of volcano
Medium · Level 41 · geography,drainage,rivers
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  1. Deposition of sediments at the river mouth
  2. Snowfall at the river source
  3. Complete drying of the river
  4. Freezing of river water
Medium · Level 41 · geography,drainage,rivers
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  1. They add water and sediments to the main river
  2. They always stop the main river
  3. They cut the river from the sea
  4. They change water into air
Medium · Level 41 · geography,drainage,rivers
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  1. Crop production can increase on cultivable land
  2. All soil becomes saline
  3. Rainfall always stops
  4. Rivers always disappear
Medium · Level 41 · geography,drainage,rivers
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  1. Because of water fertile soil and transport facilities
  2. Only because of hard rocks
  3. Because of complete lack of water
  4. Because they are always snow-covered