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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 combination is most useful for solving map questions on lakes?HardLevel 38Which clue is correct for identifying the geographical location of Kolleru Lake?HardLevel 38What can be the most serious geographical result of encroachment in lakes?HardLevel 38Which match correctly gives the lake and its main identity?HardLevel 38What is the most correct reason for calling a reservoir an artificial lake?HardLevel 38In which situation will the ecological balance of a lake be disturbed the most?HardLevel 38If water hyacinth spreads excessively in a lake which effect is possible?HardLevel 38Which lake group best identifies coastal lakes?HardLevel 38How can climate change be reflected in glacial lakes?HardLevel 38Why is it wrong to limit the usefulness of lakes only to tourism?HardLevel 38Why can lakes in closed basins become more saline over time?HardLevel 38Why is wastewater treatment given priority in lake conservation?HardLevel 38If a lake's water level is continuously falling which combined cause should be checked first?HardLevel 38Which option has an incorrect lake-state match?HardLevel 38Why can lakes support river flow during the dry season?HardLevel 38Which statement best explains the hydrological difference between a lake and a river?HardLevel 38Which lake should be identified with floating habitats and Northeast India?HardLevel 38What is the correct geographical context of Pulicat Lake?HardLevel 38When is groundwater recharge through lakes possible?HardLevel 38How can lake pollution be indirectly related to biomagnification?HardLevel 38

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