Why are lakes studied in the drainage system?
Lakes store water and sometimes affect river flow. Exam tip: understand lakes as part of drainage.
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SubjectsGeography
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.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
Lakes store water and sometimes affect river flow. Exam tip: understand lakes as part of drainage.
View question detailsChilika Lake is a famous coastal lagoon lake of Odisha. Exam tip: connect Chilika with coastal lakes.
View question detailsVembanad Lake is a large, important lake in Kerala, on the southwestern coast of India. It is part of Kerala’s extensive backwater system and is connected with several waterways and low-lying coastal areas. The lake supports fishing, transport, tourism, and agriculture-related activities. Its location and connection with the backwaters make it a frequently studied geographical feature of Kerala.
Option C is correct because Vembanad is associated with Kerala. Rajasthan is known for different inland and saltwater lakes, Manipur is associated with Loktak Lake, and Uttarakhand has Himalayan lakes rather than Vembanad. The clue “Kerala backwaters” is especially useful because Vembanad is one of the best-known components of that network. The supplied answer C is factually accurate.
Pulicat Lake is a coastal lake on the eastern coast of India. Exam tip: remember Pulicat with the eastern coast.
View question detailsLagoon lakes form near coasts where water is separated by sand or barriers. Exam tip: link lagoon with seacoast.
View question detailsLakes act as sources of drinking water and irrigation in many areas. Exam tip: include water supply in uses of lakes.
View question detailsSilt accumulation results from sediment deposition and can make a lake shallow. Exam tip: connect silt with deposition.
View question detailsPolluted lake water harms fish and aquatic organisms. Exam tip: link water pollution with aquatic life.
View question detailsPreventing waste is a simple and effective lake conservation measure. Exam tip: connect cleanliness with conservation.
View question detailsIn dry regions high evaporation can increase salinity. Exam tip: connect salt lakes with evaporation.
View question detailsDal Lake in Srinagar is famous for tourism and houseboats. Exam tip: remember Dal Lake with Srinagar.
View question detailsLakes can store excess water and reduce flood intensity. Exam tip: connect lakes with water storage.
View question detailsAn oxbow lake forms when a river bend is cut off. Exam tip: remember oxbow lake with meander.
View question detailsGlacial lakes are formed by glaciers and are found in the Himalayas. Exam tip: link glacial lakes with the Himalayas.
View question detailsSeasonal lakes fill during rains and shrink in dry periods. Exam tip: connect seasonal lakes with rainfall dependence.
View question detailsSambhar Lake is a saltwater lake of Rajasthan and is linked with salt production. Exam tip: remember Sambhar with salt.
View question detailsWular Lake is considered to have formed due to tectonic activity. Exam tip: remember Wular as a tectonic example.
View question detailsLakes provide scenic views and recreation. Exam tip: mention tourism in the economic importance of lakes.
View question detailsLarge water bodies can reduce extreme changes in nearby temperature. Exam tip: connect lakes with local climate moderation.
View question detailsExcess nutrients can increase algal growth in a lake. Exam tip: connect nutrient pollution with water quality.
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