The soil brought by Himalayan rivers is generally of what type?
Himalayan rivers bring silt and sand to form alluvial soil. Exam tip: connect alluvial soil with river deposition.
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SubjectsGeography
हिमालयी नदियाँ
In Class 9 Geography, this topic from the chapter “Drainage” introduces the Himalayan river systems, especially the Indus, Ganga and Brahmaputra. Students learn how these rivers are fed by glaciers, snow and rainfall, making them largely perennial, and trace their courses, major tributaries and drainage patterns. The topic also explains how Himalayan rivers shape deep gorges, valleys, meanders, floodplains and deltas, while supporting farming, settlements and ecosystems. It highlights their economic importance as well as the challenges of floods, erosion and changing water conditions.
TOPIC PRACTICE
Up to 20 questions from this page. Select your focus, then start.
Himalayan rivers bring silt and sand to form alluvial soil. Exam tip: connect alluvial soil with river deposition.
View question detailsThe Ganga and its tributaries deposit fertile alluvial soil. Exam tip: write alluvial soil as the reason for fertility.
View question detailsHeavy monsoon rainfall can raise river water levels. Exam tip: connect floods with monsoon and excess water.
View question detailsKosi can cause flood problems due to heavy silt and course shifting. Exam tip: connect Kosi with floods.
View question detailsGandak is a tributary of the Ganga coming from the Himalayan region. Exam tip: remember Gandak as a northern tributary of Ganga.
View question detailsThe Ghaghara rises in the Himalayas and joins the Ganga in India as one of its major tributaries; therefore, it belongs to the Ganga river system. The Yamuna is also a tributary of the Ganga, but the Ghaghara is not part of the Yamuna system. Exam tip: Remember Ghaghara, Gandak and Kosi as major Himalayan tributaries of the Ganga.
View question detailsSatluj is a major tributary of the Indus river system. Exam tip: connect Punjab rivers with the Indus system.
View question detailsRavi and Beas are rivers of the Indus system. Exam tip: place them in the north western river system.
View question detailsJhelum and Chenab are tributaries of the Indus system. Exam tip: remember their names with the Indus system.
View question detailsThe water of these rivers is useful for farming and daily needs. Exam tip: remember the economic importance of rivers.
View question detailsRiver valleys attract settlement due to water and fertile soil. Exam tip: write resources as the reason for settlement.
View question detailsFast flow and slope are useful for power generation. Exam tip: connect mountain rivers with hydroelectricity.
View question detailsHimalayan rivers travel long distances from source to mouth. Exam tip: connect length with source and plains.
View question detailsA water divide marks the boundary between different river basins. Exam tip: understand it as a basin boundary.
View question detailsA river basin includes the area drained by the main river and tributaries. Exam tip: remember basin as drained area.
View question detailsSediment means loose material such as pieces of rock, gravel, sand and silt. Himalayan rivers flow through young, high mountains where slopes are steep and rocks are exposed. Running water, weathering, landslides and other forms of erosion break and remove rock material. The river then carries these particles downstream. Thus, the sediments in Himalayan rivers mainly originate from the erosion of mountain rocks and surrounding slopes.
Option A is correct. Sea ships do not supply the natural sediment load of a river, and material does not come directly from the sky. City lights have no physical role in producing river sediment. In the upper course, strong slope and swift flow help the river remove material; farther downstream, some of that material may be deposited when the river loses energy. The essential geographical connection is erosion in the mountains followed by transportation of sediment by the river.
In the lower course river speed decreases so materials are deposited. Exam tip: connect reduced speed with deposition.
View question detailsSilt deposition may raise the river bed and increase flood risk. Exam tip: connect silt with floods.
View question detailsHugli is an important distributary of the Ganga. Exam tip: connect distributary with the mouth region of a river.
View question detailsA distributary flows away from the main channel especially in a delta. Exam tip: know the difference between tributary and distributary.
View question detailsQUIZ COMPLETE