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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.

Practice questions

Which option gives a correct group of economic uses of lakes?MediumLevel 38Nainital and Bhimtal lakes are most related to which geographical region?MediumLevel 38What is the correct difference between a coastal lake and a glacial lake?MediumLevel 38Why is catchment area management important in lake conservation?MediumLevel 38Which information is most useful in map-based preparation related to lakes?MediumLevel 38If a lake's outlet is blocked what effect may occur on water and salts?MediumLevel 38What is the similarity between Chilika and Pulicat lakes?MediumLevel 38Dal Lake's tourism importance is most associated with which feature?MediumLevel 38Which lake-feature pair is correctly matched?MediumLevel 38If wastewater is directly released into a lake which problem may appear first?MediumLevel 38How can lakes support river flow during dry season?MediumLevel 38In which situation can the ecological balance of a lake be disturbed?MediumLevel 38Why are glacial lakes discussed in the context of climate change?MediumLevel 38Which lake-state match is correct?MediumLevel 38What effect is possible when encroachment increases along lake shores?MediumLevel 38What problem can occur when invasive plants like water hyacinth grow in lakes?MediumLevel 38Fish resources from lakes support which type of livelihood?MediumLevel 38Which pair shows an incorrect lake-feature match?MediumLevel 38Which measure is most effective for maintaining water quality in lakes?MediumLevel 38What relationship can exist between a lake and a reservoir?MediumLevel 38

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