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Subjects

Geography

The Himalayan Rivers

हिमालयी नदियाँ

In Class 9 Geography, this topic from the chapter “Drainage” introduces the Himalayan river systems, especially the Indus, Ganga and Brahmaputra. Students learn how these rivers are fed by glaciers, snow and rainfall, making them largely perennial, and trace their courses, major tributaries and drainage patterns. The topic also explains how Himalayan rivers shape deep gorges, valleys, meanders, floodplains and deltas, while supporting farming, settlements and ecosystems. It highlights their economic importance as well as the challenges of floods, erosion and changing water conditions.

TOPIC PRACTICE

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

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Expert · Level 31 · hydropower,steep slope,upper course
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  1. Low slope and slow water
  2. Steep slope and fast water flow
  3. Only sea water
  4. Complete sediment deposition
Expert · Level 31 · drainage direction,river mouth,map skills
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  1. Identifying drainage direction and river mouth
  2. Identifying soil colour
  3. Measuring vegetation height
  4. Reading air temperature
Expert · Level 31 · alluvial plains,agriculture,irrigation
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  1. Fine fertile sediment and irrigation water
  2. Hard lava and aridity
  3. Sea salt and coral
  4. Desert sand and water scarcity
Expert · Level 31 · ganga tributaries,northern southern,source region
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  1. Length of their names
  2. Their source region and direction of joining Ganga
  3. Colour of their water
  4. Their folklore
Expert · Level 31 · dibang,lohit,brahmaputra tributaries
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  1. Tributaries increase the water and extent of the main river
  2. A river always has no source
  3. The main river is never different from tributaries
  4. Rivers originate only in the sea
Expert · Level 31 · carrying capacity,deposition,plain course
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  1. Carrying capacity decreases and deposition increases
  2. The river flows completely uphill
  3. Water suddenly becomes sea salt
  4. The source turns into a desert
Expert · Level 31 · sundarban,delta,mangrove
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  1. River deposition, tidal coast and mangrove environment
  2. Desert wind and sand dunes
  3. Permanent snow and glacial valley
  4. Lava plateau and dry river
Expert · Level 31 · jamuna,yamuna,bangladesh,ganga
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  1. Jamuna is the Brahmaputra's name in Bangladesh and Yamuna is a tributary of Ganga
  2. Jamuna is an Indus stream and Yamuna is an ocean current
  3. Both are distributaries of Ganga
  4. Both are branches of Narmada
Expert · Level 31 · drainage basin,settlement,irrigation
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  1. Support to water, irrigation, fertile soil and dense settlement
  2. Carrying population into the sea
  3. Turning plains into permanent deserts
  4. Eliminating river water
Expert · Level 31 · himalayan rivers,drainage,floods,irrigation,alluvial soil,hydroelectric power
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  1. Along with floods, they also provide resources such as irrigation, fertile alluvial soil and hydroelectric power
  2. They flow only during the rainy season and dry up for the rest of the year
  3. They do not deposit any sediments along their course
  4. They do not affect agriculture in the Indian plains
Expert · Level 31 · river course,slope,landforms
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  1. Changes in slope, velocity and sediment-carrying capacity
  2. Change in river-water colour
  3. Number of marine fish
  4. Moonlight
Expert · Level 31 · indus,arabian sea,western drainage
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  1. It carries water through the north-west toward the Arabian Sea
  2. It drains into the Bay of Bengal from the eastern coast
  3. It completely merges with the Ganga
  4. It becomes Meghna in Assam
Expert · Level 31 · brahmaputra,tibet,arunachal,assam
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  1. Indus system
  2. Ganga system
  3. Brahmaputra system
  4. Narmada system
Expert · Level 31 · ganga system,himalayan tributaries,plateau tributaries
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  1. It is an extensive river system connecting diverse geographical regions
  2. It is a single stream without tributaries
  3. It flows only in Tibet
  4. Its mouth is in the Arabian Sea
Expert · Level 31 · brahmaputra islands,deposition,channel
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  1. Sediment deposition within the channel and division of flow
  2. Coral formation in the sea
  3. Lava deposition in mountains
  4. Wind erosion in deserts
Expert · Level 31 · source to mouth,river system,map skills
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  1. It explains origin, tributaries, landforms and final outlet
  2. It only reveals river colour
  3. It reveals the taste of river water
  4. Forest height is measured
Expert · Level 31 · climate change,glaciers,river flow
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  1. Changes in glacier melt and seasonal flow balance
  2. Rivers turning into corals
  3. All rivers originating from the sea
  4. End of gravity
Expert · Level 31 · distributaries,delta,sediment
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  1. Splitting of the main channel into branches due to sediment deposition
  2. Great increase in vertical erosion
  3. River flowing back toward mountains
  4. Complete freezing of sea water
Expert · Level 31 · carrying capacity,plains,deposition
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  1. Reduced slope and velocity lower the river's carrying capacity
  2. Sea water fills the mountains
  3. River water suddenly becomes lava
  4. Wind makes the river flow backward
Expert · Level 31 · river system,tributary network,himalayan rivers
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  1. They form extensive river systems affecting large plains
  2. They are small closed lakes
  3. They are only coastal drains
  4. They flow without drainage basins