Gujarat BoardEnglish MediumSTD 9Social ScienceDrainage System4 Marks
Question
Explain the Ganga River System.
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Answer
$(1)$ A confluence takes place of the rivers Alaknanda and Bhagirathi originating near Gangotri in Himalayas near Devprayag. From there onward their combined flow is known as ‘Ganga’. It enters the plains near Haridwar.
$(2)$ In the plain region, many small and large rivers come from north and meet Ganga. Ghaghra, Gandak and Kosi coming from Nepal are main rivers of them.
$(3)$ River Yamuna originates from Yamunotri in the Himalayas. The confluence between Ganga and Yamuna takes place near Prayag (Allahabad) on the right bank of Ganga and between Ganga . and Son (Shon) near Patna.
$(4)$ Ganga bifurcates into two branches near Farakka in West Bengal. Its main branch flows ‘further in south-east, enters Bangladesh under the name ‘Padma’. Second branch in the south flows under the name ‘Bhagirathi-Hugli’ and meets the Bay of Bengal.
$(5)$ Padma merges with Brahmaputra in Bangladesh where it is called ‘Jamuna’. Its combined flow thereafter is known as ‘Meghna’ till the Bay of Bengal.
$(6)$ Ganga is more than $2500\ km$ long has the largest basin area in India. Most the water of North India flows out in the Bay Bengal through the Ganga River System.
$(7)$The Ganga-Brahmaputra delta is very much fertile. It is called as ‘Sundarvan’.
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