9th Social Science NCERT Contemporary India Chapter 3
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– Drainage systems in India
– The term drainage describes the river system of an area. Small streams converge to form rivers that drain into larger water bodies. The area drained by a river system is called a drainage basin, separated by water divides【4:1†source】.
– Himalayan rivers
– The major Himalayan rivers such as the Indus, Ganga, and Brahmaputra are long and joined by important tributaries. These rivers have cut through mountains forming gorges and have long courses from source to sea. The Indus River system has specific regulations for water usage【4:0†source】.
What is the main objective of the National River Conservation Plan (NRCP) as mentioned in the chapter?
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Explain the significance of the Ganga Action Plan (GAP) that was initiated in 1985. How did it evolve in 1995?
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Describe the impact of urbanization and industrialization on river pollution according to the chapter.
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What is the significance of the Narmada and Tapi rivers in terms of their flow directions and drainage basins?
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How are the drainage basins of Peninsular rivers different from those of rivers in the Himalayan region?
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