Gujarat BoardEnglish MediumSTD 9Social ScienceDrainage System4 Marks
Question
Write in details about the lakes of India.
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Answer
$(1)$ There are many small and large lakes in India.
$(2)$ Fresh water lakes are found mostly in the Himalayan region. These are formed due to glaciers. On mountain slopes, depressions are filled in with snow which melts due to the heat, water remains stagnant in the depression and forms a lake.
$(3)$ Wular Lake of Kashmir is formed due to tectonic movements. It is the largest fresh water lake of India.
$(4)$ Dal Lake ‘of Srinagar, Bhimtal, Nainital, Loktal, Badapani, ( etc. are also important fresh water lakes.
$(5)$ Due to flood hazards, Ox-bow lakes are formed in . the river meanders.
$(6)$ Tides have resulted into the formation of ‘lagoons’.
$(7)$ Chilka Lake of Odisha, Pulicat Lake of Coromandel coast and Vembanad Lake of Malabar coast are large saline water ‘Lagoons’ (backwaters). Of them, Chilka is ' the largest lake. It is also the largest natural ' lake of India.
$(8)$ Sambhar is a saline water ‘lake. Salt is produced from this lake.
$(9)$ Many man-made lakes in India are created due to the construction of dams across the rivers.
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