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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

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

20 questions

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Hard · Level 43 · geography,drainage,rivers
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  1. They make plains rocky and infertile
  2. They create fertile flat agricultural areas
  3. They stop all rivers
  4. They increase glaciers
Hard · Level 43 · geography,drainage,rivers
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  1. Catchment area and flow volume may increase
  2. The main river will always dry up
  3. All tributaries will flow backward
  4. The river system will end
Hard · Level 43 · geography,drainage,rivers
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  1. Flood only makes water disappear
  2. Flood only forms mountains
  3. Flood can damage property but also deposit fertile silt
  4. Flood has no relation with river
Hard · Level 43 · geography,drainage,rivers
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  1. In an estuary tides and a wide mouth are more important
  2. Estuaries form only on mountain peaks
  3. Deposition never occurs in deltas
  4. Estuaries have no river water
Hard · Level 43 · geography,drainage,rivers
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  1. On river velocity slope and water volume
  2. On the length of the river name
  3. On the colour of the Moon
  4. Only on the depth of the sea
Hard · Level 43 · geography,drainage,rivers
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  1. It narrows the natural flood spread area
  2. It always deepens the river
  3. It stops rainfall
  4. It purifies water
Hard · Level 43 · geography,drainage,rivers
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  1. Sufficient energy of flowing or falling water
  2. Still and dry river bed
  3. Completely polluted water
  4. Only sandy plain
Hard · Level 43 · geography,drainage,rivers
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  1. A river can change landforms
  2. A river can deposit sediments
  3. A river never cuts the land
  4. Deposition can form plains
Hard · Level 43 · geography,drainage,rivers
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  1. Only the lightest clay
  2. Dissolved gases
  3. Heavier and larger particles
  4. Cloud particles
Hard · Level 43 · geography,drainage,rivers
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  1. It can reduce silt and flood risk in the river
  2. It dries the river
  3. It stops the water cycle
  4. It ends all tributaries
Hard · Level 43 · geography,drainage,rivers
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  1. Because rivers also affect erosion deposition transport ecology and economy
  2. Because rivers do not provide water
  3. Because rivers have no social importance
  4. Because a river exists only in sea
Hard · Level 43 · geography,drainage,rivers
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  1. Crops soil and human health may be harmed
  2. All crops will automatically improve
  3. Soil will always become gold
  4. River source will become higher
Hard · Level 43 · geography,drainage,rivers
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  1. When there is clean water natural flow and diverse habitats
  2. When the river has only waste
  3. When the river dries completely
  4. When banks are completely covered with concrete
Hard · Level 43 · geography,drainage,rivers
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  1. Lagoon
  2. Oxbow lake
  3. Volcano
  4. Snow peak
Hard · Level 43 · geography,drainage,rivers
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  1. Because upstream activities affect downstream water sediment and floods
  2. Because they have no relation
  3. Because the river exists only upstream
  4. Because downstream is always dry
Hard · Level 43 · geography,drainage,rivers
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  1. They only harden land
  2. They help in water storage biodiversity and flood control
  3. They always make water poisonous
  4. They cut the river from the sea
Hard · Level 43 · geography,drainage,rivers
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  1. Due to fertile deposits and water availability
  2. Due to always dry winds
  3. Due to complete absence of sea salts
  4. Due to steep rocks everywhere
Hard · Level 43 · geography,drainage,rivers
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  1. Because the river can weaken banks and foundation land
  2. Because the river always strengthens construction
  3. Because erosion occurs only in the sky
  4. Because the river has no water
Hard · Level 43 · geography,drainage,rivers
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  1. A lake can hold or regulate flow for some time
  2. A lake always turns a river into fire
  3. A lake is unrelated to drainage
  4. A lake immediately destroys all sediment
Hard · Level 43 · geography,drainage,rivers
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  1. So that water extraction and pollution do not harm the river system
  2. So that the river never remains useful
  3. So that water always remains dirty
  4. So that the river source changes