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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 32 · ganga brahmaputra delta,large delta,deposition
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  1. Two huge river systems deposit heavy sediments
  2. It is made of lava
  3. It is formed by desert wind
  4. It is completely covered by glaciers
Hard · Level 32 · sediment,floods,river bed
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  1. The river bed may become shallow and increase flood possibility
  2. The river always forms deep ocean trench
  3. The river becomes waterless
  4. The river has no flow
Hard · Level 32 · brahmaputra,river islands,assam
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  1. Sediment deposition and multi channel flow
  2. Coral formation by sea waves
  3. Cone formation by lava
  4. Stability of glaciers
Hard · Level 32 · water divide,river basin,himalayan rivers
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  1. High mountain land can separate different river basins
  2. Water divide is river mouth
  3. Water divide is another name for distributary
  4. Water divide is a sea wave
Hard · Level 32 · ganga basin,tributaries,agriculture
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  1. Water collection tributaries and agricultural plains
  2. Only sea waves
  3. Only volcanic mountains
  4. Only desert dunes
Hard · Level 32 · himalayan rivers,river processes,study skills
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  1. Because source slope erosion deposition and flood relations must also be understood
  2. Because rivers have no relation with geography
  3. Because all rivers are the same
  4. Because river system is only map colour
Hard · Level 32 · himalayan rivers,impact,geography
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  1. Water supply erosion deposition plains agriculture and floods
  2. Only marine animals
  3. Only volcanic ash
  4. Only desert minerals
Hard · Level 32 · himalayan rivers,summary,drainage
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  1. They are complex river systems linked with perennial water erosion deposition large plains and deltas
  2. They are only dry short streams
  3. They are only rivers of Peninsular Plateau
  4. They never enter plains
Hard · Level 32 · exam tip,himalayan rivers,concepts
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  1. Confluences sources tributaries floods deposits and delta should be studied together
  2. Memorising only river names is enough
  3. River map is never needed
  4. Delta and flood have no relation
Hard · Level 32 · himalayan rivers,erosion,deposition,river course
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  1. River work changes according to slope velocity and sediment load
  2. River only deposits everywhere
  3. The river source is always the sea
  4. The river has no relation with plains
Hard · Level 33 · antecedent drainage,himalayan rivers,gorges
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  1. They formed suddenly after mountain uplift
  2. They maintained older courses by cutting deep valleys during mountain uplift
  3. They only deposit in plains
  4. They flow opposite from the sea
Hard · Level 33 · indus,brahmaputra,vertical erosion
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  1. Low slope and slow current
  2. Influence of sea tides
  3. Strong vertical erosion and mountain uplift
  4. Desert wind deposition
Hard · Level 33 · perennial rivers,snowmelt,monsoon
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  1. Only groundwater and lakes
  2. Only sea waves
  3. Only hot winds
  4. Monsoon rainfall and snowmelt water
Hard · Level 33 · river course,slope,deposition
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  1. Long course and gradual decrease in slope
  2. Entire river ending in a desert
  3. Only underground flow
  4. Marine coral formation
Hard · Level 33 · indus system,history,north west india
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  1. Because it flows only in South India
  2. Because it is linked with the Indus Valley Civilization and north-western drainage
  3. Because it drains into the Bay of Bengal
  4. Because it has no tributary
Hard · Level 33 · indus tributaries,punjab rivers,drainage
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  1. All are southern tributaries of the Ganga
  2. All are Tibetan streams of the Brahmaputra
  3. They are major tributaries of the Indus river system
  4. They are only small coastal rivers
Hard · Level 33 · ganga,devprayag,bhagirathi alaknanda
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  1. A main river may form from the confluence of source streams
  2. The Ganga originates in the sea
  3. Alaknanda is a peninsular river
  4. Bhagirathi enters the sea separately from Ganga
Hard · Level 33 · yamuna,ganga tributary,prayagraj
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  1. It is a major right-bank tributary of the Ganga
  2. It is the main stream of the Indus
  3. It is a Tibetan stream of the Brahmaputra
  4. It directly drains into the Arabian Sea
Hard · Level 33 · ghaghara,gandak,kosi,floods
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  1. They bring little water from the southern plateau
  2. They bring high water and sediment from the Himalayan region
  3. They are only artificial canals
  4. They flow opposite from the sea
Hard · Level 33 · chambal,betwa,son,ganga system
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  1. Their source is linked with the peninsular plateau region
  2. They are called Tsangpo in Tibet
  3. They all join the Indus
  4. They directly originate from glaciers