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Subjects

Geography

Lakes

झीलें

In Class 9 Geography, the topic “Lakes” explains how these water bodies form part of the drainage system and differ from rivers in their shape, movement, and location. Students learn about natural lakes formed by tectonic activity, glaciers, river courses, and coastal processes, as well as human-made reservoirs. Indian examples such as Wular, Dal, Sambhar, Chilika, and Kolleru help connect ideas with maps and landscapes. The topic also examines how lakes store water, support irrigation, hydropower, fisheries, biodiversity, tourism, and flood regulation.

TOPIC PRACTICE

Quiz this set

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

20 questions

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Hard · Level 38 · map study,lake location,exam strategy
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  1. Lake name state and main feature
  2. Only option length
  3. Only river depth
  4. Only mountain age
Hard · Level 38 · kolleru,delta region,andhra pradesh
View options
  1. It is a freshwater lake between the Krishna and Godavari deltas
  2. It is a saline lake of Rajasthan
  3. It is a backwater lake of Kerala
  4. It is a tectonic lake of Kashmir
Hard · Level 38 · encroachment,lake area,flood absorption
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  1. Reduction of natural area and flood absorption capacity
  2. Immediate conversion of lake into ocean
  3. Water always increasing
  4. All pollutants disappearing
Hard · Level 38 · dal lake,srinagar,tourism
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  1. Sambhar and houseboats
  2. Dal and Srinagar tourism
  3. Loktak and salt of Rajasthan
  4. Vembanad and glacial barrier
Hard · Level 38 · reservoir,artificial lake,dam
View options
  1. It always forms from the sea
  2. It forms only from glaciers
  3. It can form artificially from water stored by a dam
  4. It forms from desert wind
Hard · Level 38 · lake ecology,chemical pollution,nutrients
View options
  1. Clean inflow and shore vegetation
  2. Conservation in catchment area
  3. Entry of wastewater chemicals and excess nutrients
  4. Ban on plastic
Hard · Level 38 · water hyacinth,invasive plant,lake management
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  1. It will cover the water surface and affect light and oxygen conditions
  2. The lake will immediately become fresh
  3. The river source will change
  4. Salinity will always become zero
Hard · Level 38 · chilika,pulicat,coastal lakes
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  1. Chilika and Pulicat
  2. Wular and Nainital
  3. Sambhar and Bhojtal
  4. Loktak and Bhimtal
Hard · Level 38 · glacial lakes,climate change,water volume
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  1. Change in their size and water volume
  2. Their always changing into saltwater
  3. Their reaching the seacoast
  4. Their becoming desert dunes
Hard · Level 38 · importance of lakes,water supply,livelihood
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  1. Because lakes also support water supply irrigation fisheries and ecology besides tourism
  2. Because lakes are never useful in tourism
  3. Because lakes contain no water
  4. Because lakes are only map symbols
Hard · Level 38 · closed basin,salinity,evaporation
View options
  1. Salts do not leave because there is no outlet
  2. Snowfall occurs all the time
  3. The sea always enters the lake
  4. Fish eat all the salts
Hard · Level 38 · wastewater treatment,lake conservation,pollution control
View options
  1. It reduces nutrient and chemical pollution in the lake
  2. It turns the lake into a desert
  3. It makes all water saline
  4. It forms meanders
Hard · Level 38 · water level,withdrawal,recharge
View options
  1. Excessive water withdrawal and low recharge
  2. Solar eclipse and lunar eclipse
  3. Volcanic smoke and meteor
  4. Sea ice and mountain colour
Hard · Level 38 · indian lakes,lake state match,sambhar lake,rajasthan,drainage,geography
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  1. Chilika and Odisha
  2. Loktak and Manipur
  3. Vembanad and Kerala
  4. Sambhar and Assam
Hard · Level 38 · dry season,river flow,water regulation
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  1. They can slowly release stored water
  2. They turn rivers into soil
  3. They always stop rainfall
  4. They dry the sea
Hard · Level 38 · lake river difference,hydrology,water flow
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  1. Water may be more still in a lake while flow is dominant in a river
  2. A lake always flows fast and a river remains still
  3. Neither contains water
  4. A river is always surrounded by land
Hard · Level 38 · loktak,northeast india,floating habitat
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  1. Chilika Lake
  2. Loktak Lake
  3. Sambhar Lake
  4. Wular Lake
Hard · Level 38 · pulicat,eastern coast,coastal lake
View options
  1. Himalayan glacial lake
  2. Inland saline lake of Rajasthan
  3. Coastal lake of the eastern coast
  4. Volcanic lake of central India
Hard · Level 38 · groundwater recharge,percolation,lakes
View options
  1. When lake water percolates into the ground and reaches aquifers
  2. When lake water turns into stone
  3. When the lake always remains dry
  4. When there is no catchment area
Hard · Level 38 · biomagnification,lake pollution,food chain
View options
  1. Pollutants can increase along the food chain
  2. Water always becomes clean
  3. All organisms immediately disappear
  4. The river course gets blocked

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