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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

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20 questions

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Medium · Level 38 · economic uses,fisheries,tourism
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  1. Fisheries tourism and irrigation
  2. Earthquake volcano and cyclone
  3. Eclipse meteor and comet
  4. Rock air and fire
Medium · Level 38 · nainital,bhimtal,uttarakhand
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  1. Desert of Rajasthan
  2. Hill region of Uttarakhand
  3. Rann of Kachchh
  4. Coastal backwater of Kerala
Medium · Level 38 · coastal lake,glacial lake,lake types
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  1. A coastal lake is linked with coast while a glacial lake forms by glacial action
  2. Both form only in deserts
  3. Both never hold water
  4. A glacial lake is always saltwater
Medium · Level 38 · catchment management,lake conservation,siltation
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  1. Because it can reduce soil runoff and siltation
  2. Because it makes the Moon larger
  3. Because it dries the sea
  4. Because it makes a river flow backward
Medium · Level 38 · map study,lakes,location
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  1. State and special feature of the lake
  2. Only temperature of the Sun
  3. Only depth of oceans
  4. Only age of mountains
Medium · Level 38 · closed drainage,salinity,lakes
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  1. Salinity must decrease
  2. Water will become solid stone
  3. Water may stagnate and salinity may increase
  4. The lake will immediately become a sea
Medium · Level 38 · chilika,pulicat,coastal lakes
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  1. Both are Himalayan lakes
  2. Both are salt lakes of Rajasthan
  3. Both are volcanic craters
  4. Both are related to coastal lakes
Medium · Level 38 · dal lake,srinagar,tourism
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  1. Houseboats and scenic beauty in Srinagar
  2. Salt of the Thar Desert
  3. Floating phumdis
  4. Backwater fields of Kerala
Medium · Level 38 · loktak,phumdi,lake matching
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  1. Sambhar Lake and floating phumdis
  2. Loktak Lake and floating phumdis
  3. Dal Lake and salt production
  4. Vembanad Lake and glacial origin
Medium · Level 38 · wastewater,water quality,lake pollution
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  1. Decline in water quality
  2. Change in the size of the Sun
  3. Disappearance of mountains
  4. Sea becoming fresh
Medium · Level 38 · dry season,river flow,lakes
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  1. By slowly releasing stored water
  2. By turning the river into sand
  3. By stopping clouds
  4. By creating sea storms
Medium · Level 38 · ecological balance,chemicals,lake pollution
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  1. Clean water flow continues
  2. Waste and chemicals continuously enter
  3. Plants remain protected on the shore
  4. Soil erosion decreases
Medium · Level 38 · glacial lakes,climate change,glaciers
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  1. Melting glaciers can change their size and water volume
  2. They always form in deserts
  3. They are found only in seas
  4. They only produce salt
Medium · Level 38 · chilika,odisha,lake location
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  1. Chilika and Odisha
  2. Vembanad and Rajasthan
  3. Loktak and Gujarat
  4. Sambhar and Kerala
Medium · Level 38 · encroachment,lake conservation,ecology
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  1. The natural area of the lake may shrink
  2. Lake water will always increase
  3. The lake will become a sea
  4. Salinity will become zero
Medium · Level 38 · water hyacinth,invasive plants,lakes
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  1. It may cover the water surface and affect aquatic life
  2. The lake will immediately become deeper
  3. All pollution will disappear
  4. It will become the source of every river
Medium · Level 38 · fisheries,livelihood,lake resources
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  1. Livelihood of fishers and local communities
  2. Flights of astronauts
  3. Desert mining only
  4. Mountain building work
Medium · Level 38 · wular,vembanad,lake features
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  1. Dal Lake and Srinagar tourism
  2. Sambhar Lake and salt production
  3. Loktak Lake and floating phumdis
  4. Wular Lake and Kerala backwater
Medium · Level 38 · wastewater treatment,water quality,lake conservation
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  1. Releasing wastewater only after treatment
  2. Dumping waste directly
  3. Increasing shore encroachment
  4. Adding chemicals without control
Medium · Level 38 · reservoir,artificial lake,dam
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  1. Every lake is only a sea
  2. A reservoir can be like a man-made lake
  3. A reservoir never contains water
  4. Both are made only of air

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