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Subjects

Geography

Lakes

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.

Hard · Level 4 · 25 questions

TOPIC PRACTICE

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  1. Because tourism gives income but pollution control is also necessary
  2. Because it is only a desert salt lake
  3. Because there is no human activity in it
  4. Because it is a deep part of the sea
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  1. Meteorite impact Lonar Lake
  2. Himalayan glacier Sambhar Lake
  3. Dam construction Chilika Lake
  4. Meander cut off Wular Lake
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  1. Water absorbs and releases heat slowly
  2. Stone stops air
  3. Sand makes rainfall
  4. Smoke makes rivers
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  1. Evaporation reduces water and salts remain behind
  2. Glaciers add salt every day
  3. Volcanoes always make sugar
  4. Sea fish make water fresh
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  1. They contribute to habitat biodiversity and water balance
  2. They exist only for melting metals
  3. They destroy every organism
  4. They are unrelated to the water cycle
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  1. Falling water level and habitat disturbance
  2. Immediate conversion of the lake into an ocean
  3. Permanent stopping of rainfall
  4. Disappearance of all silt
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  1. Sambhar Lake
  2. Nainital Lake
  3. Chilika Lake
  4. Kolleru Lake
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  1. Because many lakes are important wetlands and habitats
  2. Because lakes are always without water
  3. Because lakes are only roads
  4. Because lakes never support biodiversity
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  1. Sambhar freshwater glacial lake
  2. Chilika coastal lagoon
  3. Gobind Sagar natural crater lake
  4. Loktak desert salt lake
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  1. Entry of polluted water and waste
  2. Clean water conservation
  3. Natural rainfall
  4. Controlled plantation on shores
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  1. Both are famous lakes linked with Jammu and Kashmir region
  2. Both are saline lakes in Rajasthan
  3. Both are coastal lagoons of Odisha
  4. Both are craters of Maharashtra
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  1. When pollution siltation and overuse increase
  2. When cleanliness and conservation occur
  3. When controlled use is done
  4. When the catchment is protected
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  1. Reduced soil erosion and lower silt entry
  2. Drying of the sea
  3. Immediate salinisation of lake water
  4. Disappearance of fish
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  1. Lonar crater and Gobind Sagar reservoir
  2. Sambhar and Rajasthan both states
  3. Dal and Srinagar both cities
  4. Chilika and Odisha both mountains
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  1. Dal Lake tourism
  2. Wular Lake coal mining
  3. Chilika Lake iron smelting
  4. Loktak Lake desert salt
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  1. It reduces pollutants reaching the lake
  2. It always dries the lake
  3. It turns silt into salt
  4. It makes a river a mountain
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  1. Sambhar Lake
  2. Chilika Lake
  3. Loktak Lake
  4. Wular Lake
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  1. Excessive algal growth and stress on fish
  2. Immediate mountain formation of the lake
  3. Change in size of the Sun
  4. Disappearance of the sea
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  1. Because exams ask matching and reason based questions on lakes
  2. Because lakes have no location
  3. Because all lakes are of the same type
  4. Because lakes have no use
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  1. Lakes are dynamic water systems linked with storage ecology economy and conservation
  2. Lakes are always land without water
  3. Lakes have no relation with the water cycle
  4. Lakes only produce salt in deserts
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  1. It helps protect water level and aquatic habitat
  2. It immediately dries the lake
  3. It always increases pollution
  4. It makes silt infinite
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  1. When construction and paved surfaces increase in the catchment
  2. When clean rainfall reaches the lake directly
  3. When controlled plantation occurs on shores
  4. When pollution is prevented
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  1. Siltation reduces water holding capacity
  2. Pollution always improves water quality
  3. Encroachment increases lake area
  4. Eutrophication always removes algae
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  1. Catchment protection pollution control and regulated use
  2. Dumping waste increasing encroachment and withdrawing water
  3. Increasing silt spreading water hyacinth and cutting shores
  4. Releasing wastewater and stopping conservation
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  1. Evaporation reduces water and salts remain behind
  2. Glaciers add salt daily
  3. Sea fish produce salt
  4. The river source becomes a mountain

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