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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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Hard · Level 34 · kosi,course shifting,plain floods
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  1. It increases coastal tides
  2. It can cause sudden floods and erosion in the river bed and nearby areas
  3. It turns the river into a glacier
  4. It forms coral in the sea
Hard · Level 34 · alluvial plains,agriculture,settlement
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  1. Because fertile soil and water availability are found there
  2. Because permanent lava flows there
  3. Because fields are inside the sea there
  4. Because no river flows there
Hard · Level 34 · brahmaputra,route,regional names
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  1. River route and local relief change its character
  2. The river rises from a different source in every region
  3. The river never enters India
  4. The river is only a Peninsular river
Hard · Level 34 · yamuna,son,ganga tributaries
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  1. Yamuna is a major tributary and Son joins from the southern side
  2. Both are distributaries of Brahmaputra
  3. Both are five rivers of Indus
  4. Both are inland rivers
Hard · Level 34 · tributary,distributary,ganga delta
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  1. A tributary joins the main river while this branches away
  2. A tributary is always a glacier
  3. A tributary joins only the sea
  4. A tributary has no water
Hard · Level 34 · river bed,sediment,flood risk
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  1. A shallow bed can force the river to spread even with less extra water
  2. A shallow bed immediately dries the river
  3. A shallow bed stops the sea
  4. A shallow bed makes the river volcanic
Hard · Level 34 · delta,deposition,distributaries
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  1. Distributaries
  2. Glaciers
  3. Water divides
  4. Rift valleys
Hard · Level 34 · vertical erosion,lateral erosion,himalayan rivers
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  1. Slope is steeper upstream and gentler in plains
  2. There is sea upstream and glacier in plains
  3. No water upstream and lava in plains
  4. Slope is exactly same in both places
Hard · Level 34 · floods,alluvial soil,agriculture
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  1. Floods cause damage but can also deposit alluvial sediments
  2. Floods always make soil poisonous
  3. Floods have no relation with soil
  4. Floods occur only in the sea
Hard · Level 34 · indus river system,ganga river system,himalayan rivers,river tributaries,class 9 geography,drainage
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  1. Remembering Jhelum, Chenab, Ravi, Beas and Sutlej as the Indus group, and Yamuna, Ghaghara, Gandak and Kosi as the Ganga group
  2. Placing Yamuna, Ghaghara, Gandak and Kosi in the Indus system, and Jhelum, Chenab, Ravi, Beas and Sutlej in the Ganga system
  3. Treating Narmada and Tapi as the main tributaries of both systems
  4. Identifying the Indus and Ganga systems through tributaries of the Godavari and Krishna
Hard · Level 34 · alluvial plains,sediment,deposition
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  1. Development of alluvial plains
  2. Formation of coral island
  3. Volcanic cone
  4. Desert lava field
Hard · Level 34 · brahmaputra,assam,river system
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  1. Because it is linked with water sediment floods islands and tributary streams
  2. Because it is a dry channel in Assam
  3. Because it has no sediment
  4. Because it flows only in the sea
Hard · Level 34 · perennial rivers,water management,irrigation
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  1. Because it is linked with year round water availability and irrigation planning
  2. Because it dries the river
  3. Because it makes the river rise from the sea
  4. Because it has no human use
Hard · Level 34 · ganga route,haridwar,prayagraj,sundarbans
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  1. The sequence from mountain to plain confluence and delta
  2. Reverse flow from sea to mountain
  3. River route in Deccan Plateau
  4. River end in inland desert
Hard · Level 34 · young mountains,erosion,sediment
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  1. As strong erosion high sediment and deep valleys
  2. As complete dryness and no flow
  3. Only as tidal waves
  4. Only as coral formation
Hard · Level 34 · delta,velocity,sediment deposition
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  1. They will deposit more
  2. They will always disappear
  3. They will become glaciers
  4. They will become sea tides
Hard · Level 34 · river basin,flood control,himalayan rivers
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  1. Because basin shows water collection tributaries and flow direction
  2. Because basin tells river colour
  3. Because basin is only a marine term
  4. Because basin ends the river
Hard · Level 34 · source,confluence,delta,himalayan rivers
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  1. The full process and spatial relations of the river system become clear
  2. The relation of river with geography ends
  3. All rivers become the same
  4. Need for river map ends
Hard · Level 34 · himalayan rivers,drainage,complete study
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  1. As a combined study of source water supply erosion deposition floods plains and delta
  2. As only a list of names
  3. As only map colours
  4. As only sea currents
Expert · Level 31 · erosion,deposition,geomorphic development,himalayan rivers
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  1. Because this explains the complete geomorphic development of the river
  2. Because a river works only at one place
  3. Because deposition always occurs on mountain peaks
  4. Because erosion and deposition are not related to rivers