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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.

Medium · Level 3 · 25 questions

Practice questions

01What is the correct reason for considering lakes an important part of the drainage system?

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02What is the main basis for calling Chilika Lake a coastal lagoon?

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03Which river feature plays the main role in the formation of an oxbow lake?

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04What is the most suitable geographical reason for high salinity in Sambhar Lake?

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05Wular Lake's origin is associated with which type of geographical activity?

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06If silt is rapidly accumulating in a lake what can be its long-term effect?

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07The phumdis of Loktak Lake are an example of what?

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08Which geographical context is most useful while studying Vembanad Lake?

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09The contribution of lakes in flood control is based on which principle?

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10In which condition is a lake's salinity more likely to increase?

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11Which lake is counted among the important coastal lakes of India's eastern coast?

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12Excess nutrients in lakes increase the possibility of which problem?

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13Why do lakes have a moderating effect on local climate?

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14Which clue is correct for understanding the location of Kolleru Lake?

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15If deforestation increases in a lake's catchment area what effect can it have on the lake?

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16Why can lagoon lakes have saline or brackish water?

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17Why is the ecological importance of lakes high?

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18Which is the correct combination for remembering Wular Lake's location and origin?

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19What type of problem is caused by the entry of industrial waste into lakes?

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20Seasonal change in a lake's water level is most affected by what?

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21Which option gives a correct group of economic uses of lakes?

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22Nainital and Bhimtal lakes are most related to which geographical region?

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23What is the correct difference between a coastal lake and a glacial lake?

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24Why is catchment area management important in lake conservation?

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25Which information is most useful in map-based preparation related to lakes?

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