Which evidence most clearly shows the antecedent nature of Himalayan rivers?
Antecedent rivers keep their older course even after uplift. Exam tip: connect gorges with antecedent flow.
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SubjectsGeography
भारत की अपवाह प्रणालियाँ
In this Class 9 Geography topic from the chapter Drainage, students learn how water flows across India through river systems, drainage basins, and networks. They explore the Himalayan and Peninsular river systems, compare their origins, courses, seasonal flow, and landforms, and understand patterns such as dendritic, trellis, and radial drainage. The topic also introduces the importance of rivers and lakes, along with concerns related to floods, pollution, and water management.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
Antecedent rivers keep their older course even after uplift. Exam tip: connect gorges with antecedent flow.
View question detailsTwo sources can supply water throughout the year. Exam tip: treat this as a feature of Himalayan rivers.
View question detailsPeninsular rivers are rain-fed, so their flow varies seasonally. Exam tip: connect seasonal flow with rainfall dependence.
View question detailsThe Himalayas are young fold mountains with steep slopes, relatively unstable rocks and active erosion. Rainfall, snowmelt and landslides break and carry rock material into rivers, so these rivers carry a high sediment load. Option B is incorrect because intense erosion makes rivers sediment-rich, not sediment-free. Exam tip: associate young, high mountains with stronger erosion and greater sediment load.
View question detailsDendritic pattern forms on general slope and uniform rock resistance. Exam tip: remember the tree-like shape.
View question detailsTrellis pattern is controlled by rock structure. Exam tip: identify parallel valleys and angled junctions.
View question detailsRadial pattern shows outward flow from a high centre. Exam tip: remember areas such as Amarkantak.
View question detailsIn rectangular pattern streams follow fractures. Exam tip: treat right-angled bends as a key clue.
View question detailsParallel pattern is a good example of slope-controlled flow. Exam tip: connect slope with direction.
View question detailsA water divide is highland that sends water in different directions. Exam tip: remember the relation between boundary and basin.
View question detailsAravalli divides water flow into different directions in some areas. Exam tip: connect highlands with water divides.
View question detailsJhelum Chenab Ravi Beas and Sutlej are rivers of the Indus system. Exam tip: identify rivers by region.
View question detailsThe Indus system is linked with the geography of both India and Pakistan. Exam tip: remember its north-western context.
View question detailsDevprayag is the key confluence linked with the naming of Ganga. Exam tip: keep Devprayag and Prayagraj separate.
View question detailsPrayagraj is the confluence of the Ganga and the Yamuna. It is also known as the Triveni Sangam because of the traditional belief that the Saraswati joins them invisibly. In contrast, at Devprayag the Bhagirathi and Alaknanda meet, and the river is called the Ganga thereafter. Exam tip: remember Devprayag as the point where the Ganga gets its name, and Prayagraj as the Ganga–Yamuna confluence.
View question detailsRivers like Ghaghara Gandak and Kosi bring Himalayan water and sediments. Exam tip: link floods with tributaries too.
View question detailsThe Kosi carries a very large load of silt, sand and other sediments from the Himalayas into the plains of Bihar. As the gradient becomes gentle in the plains, sediment is deposited on the bed, making it raised and shallow. During floods, the river may breach banks or form a new channel, leading to course shifts. Sea tides reaching the Himalayas are not responsible for this behaviour. Exam tip: remember the Kosi as the ‘Sorrow of Bihar’, associated with heavy sediment load and shifting channels.
View question detailsBrahmaputra spreads and deposits sediments in plains. Exam tip: connect Assam with floods and river islands.
View question detailsBrahmaputra is called Tsangpo in Tibet and Jamuna in Bangladesh. Exam tip: connect names with route.
View question detailsIn a delta the river divides into many distributaries. Exam tip: remember the difference between distributary and tributary.
View question detailsQUIZ COMPLETE