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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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Medium · Level 42 · meander,river course,plains
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  1. Volcanic cone
  2. Meander
  3. Himalayan glacier
  4. Marine coral
Medium · Level 42 · sediment transport,erosion,deposition
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  1. It carries soil and mineral materials from one place to another
  2. It stops Earth rotation
  3. It dries all lakes
  4. It makes air pressure permanent
Medium · Level 42 · culture,religion,social life
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  1. Only with petroleum production
  2. Festivals, religious places and social life
  3. Only with desert dust
  4. End of sea level
Medium · Level 42 · water use,sustainability,ecology
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  1. Water scarcity and ecological imbalance
  2. Sudden growth of mountains
  3. Permanent end of sea waves
  4. Change in Earth's orbit
Medium · Level 42 · dams,irrigation,power
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  1. Help in flood control, irrigation and power generation
  2. Completely stopping earthquakes
  3. Naturally drying all rivers
  4. Changing the motion of the Moon
Medium · Level 42 · population,river valley,livelihood
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  1. Harsh climate and lack of water
  2. Farming, water and employment opportunities
  3. Only snowstorms
  4. Complete barrenness along river banks
Medium · Level 42 · lower course,deposition,river energy
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  1. Because the slope is gentle and flow is slower
  2. Because rocks always rise there
  3. Because the river flows backward there
  4. Because there is no water there
Medium · Level 42 · industry,water use,energy
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  1. Only for changing colour
  2. For cooling, processing and energy
  3. For stopping all machines
  4. Only for cutting mountains
Medium · Level 42 · river flow,human impact,habitat
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  1. Aquatic habitats and sediment flow may be affected
  2. The Sun's temperature may decrease
  3. All mountains may become seas
  4. A river will start flowing in air
Medium · Level 42 · water cycle,surface water,runoff
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  1. They carry surface water to seas and lakes
  2. They always stop rainfall
  3. They make evaporation impossible
  4. They turn clouds into stone
Medium · Level 42 · carrying capacity,river flow,sediment
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  1. When flow speed and water volume increase
  2. When there is no water in the river
  3. Always due to a solar eclipse
  4. When the river's name changes
Medium · Level 42 · vegetation,bank erosion,conservation
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  1. It stabilises banks and can reduce erosion
  2. It always dries the river
  3. It teaches fish to fly
  4. It turns water into stone
Medium · Level 42 · agriculture,fertile plains,river
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  1. Agriculture
  2. Space travel
  3. Deep-sea mining
  4. Desert camel racing
Medium · Level 42 · upper course,erosion,fast flow
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  1. Deposition
  2. Evaporation
  3. Erosion
  4. Salinisation
Medium · Level 42 · drinking water,purification,health
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  1. Drinking it directly without checking
  2. Making it clean and safe
  3. Always making it salty
  4. Completely burying it in soil
Medium · Level 42 · drainage system,runoff,river
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  1. It carries excess water away from an area
  2. It always keeps water stagnant
  3. It buries clouds in the ground
  4. It carries only air
Medium · Level 42 · river plains,population,resources
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  1. Because farming, water and transport facilities are available there
  2. Because there are no resources there
  3. Because only ice exists there
  4. Because farming is impossible there
Medium · Level 42 · river conservation,water quality,sustainable development
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  1. To completely close the river
  2. To protect water quality, biodiversity and human use
  3. To make all floods beneficial
  4. To make all fields barren
Medium · Level 42 · role of rivers,drainage,river benefits,floods,water pollution,geography class 9
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  1. Rivers are mainly harmful because they only cause floods
  2. Rivers are only useful and do not cause any environmental problems
  3. Rivers provide benefits such as water, irrigation and transport, but problems such as floods and pollution can also occur
  4. Rivers have no connection with human settlements, agriculture or the economy
Medium · Level 42 · industry location,transport,water
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  1. There is no need for raw material and water
  2. Water and transport facilities may be available
  3. The river always makes industries tax-free
  4. The river runs machines without energy