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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.

Easy · Level 2 · 25 questions

TOPIC PRACTICE

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25 questions

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  1. Melting metals
  2. Providing water for irrigation
  3. Creating sea storms
  4. Turning rock into air
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  1. Lake always flows and river remains still
  2. There is no difference
  3. A lake may be still water while a river is a flowing stream
  4. A river never goes to sea
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  1. Because they have no fish
  2. Because they are always glacial
  3. Because evaporation never occurs there
  4. Because evaporation leaves salts behind
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  1. Lagoon
  2. Glacier
  3. Waterfall
  4. Pass
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  1. They only consume salt
  2. They provide water and habitat for fish culture
  3. They always dry fields
  4. They cut mountains
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  1. Pure rainwater
  2. Clean air
  3. Entry of dirty water and waste
  4. Sunlight
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  1. It always doubles
  2. It never changes
  3. It becomes a sea
  4. It decreases
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  1. Because they make scenery and surroundings attractive
  2. Because they remove all trees
  3. Because they produce smoke
  4. Because they turn soil into iron
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  1. Permanent lake
  2. Seasonal lake
  3. Deep lake
  4. Coastal lake
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  1. They erase the river course
  2. They turn all water into salt
  3. They may release water slowly and maintain flow
  4. They turn a river into clouds
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  1. Because water and resources are available there
  2. Because no life is possible there
  3. Because lakes are always poisonous
  4. Because lakes only provide sand
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  1. Dumping waste directly into the lake
  2. Stopping and treating dirty water
  3. Filling the lake fully with soil
  4. Increasing plastic
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  1. Dal Lake
  2. Sambhar Lake
  3. Loktak Lake
  4. Nainital Lake
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  1. When water storage and height difference are available
  2. When there is no water
  3. When there is only sand
  4. When the river flows backward
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  1. Because lakes are stores of water
  2. Because lakes are only metals
  3. Because lakes are made of air
  4. Because lakes are mountain peaks
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  1. Due to high evaporation
  2. Due to heavy snowfall
  3. Due to sea ice
  4. Due to forest growth
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  1. Only mountain height
  2. Aquatic life
  3. Size of the Sun
  4. Earth's orbit
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  1. Because activities like boating and picnics can occur there
  2. Because they break all roads
  3. Because they do not hold water
  4. Because they only create dust
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  1. Himalayan snow peaks
  2. Coastal barriers and lagoons
  3. Desert dunes only
  4. Volcanic ash only
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  1. Always becomes zero
  2. Always turns into salt
  3. May increase
  4. Never changes
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  1. They help understand water bodies and drainage
  2. They erase latitudes
  3. They change the compass
  4. They make the map empty
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  1. Increasing earthquakes
  2. Tourism and water supply
  3. Removing soil
  4. Covering the Sun
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  1. Availability of water
  2. Colour of the Moon
  3. Spread of lava
  4. Lack of smoke
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  1. Water and organisms will be polluted
  2. The lake will clean itself completely
  3. All fish will surely increase
  4. Salt will automatically disappear
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  1. It is only in the high Himalayas
  2. It may be linked with coast and salinity
  3. It is only dry desert soil
  4. It can never be related to rivers

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