In the Ganga system the source of Yamuna is linked with which glacier region?
Yamuna rises from the Yamunotri Glacier. Exam tip: remember both Yamuna source and Prayagraj confluence.
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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.
Yamuna rises from the Yamunotri Glacier. Exam tip: remember both Yamuna source and Prayagraj confluence.
View question detailsHimalayan rivers have more stable water sources and wide deposition. Exam tip: remember perennial nature and alluvial plains.
View question detailsBrahmaputra flows in Tibet as Tsangpo. Exam tip: remember its route from Tibet to Arunachal and Assam.
View question detailsWhen a Himalayan river leaves a steep mountain valley and enters the plains, the land slope usually becomes gentler. The force driving the river downhill is then reduced, so its average velocity may decline, particularly where the channel widens or becomes less confined. A slower river has less ability to carry large amounts of sediment, so sand, silt, and gravel can be deposited. Deposition may form bars, floodplains, or related landforms, although it is not identical everywhere.
The correct choice is A: velocity decreases and deposition may increase. The river does not immediately become a glacier, rise from the sea, or lose every tributary. The reasoning is based on the relationship between slope, speed, and transporting power. A lower gradient generally reduces flow energy; when carrying capacity falls, sediment settles on the bed or nearby floodplain.
During floods fine sediments may deposit and make soil fertile. Exam tip: understand both benefits and damage.
View question detailsHooghly is a distributary associated with the Ganga delta in eastern India. Near the delta, the main river channel divides into several branches. A distributary carries water away from the main river toward the sea, whereas a tributary brings water into a main river. Hooghly is therefore understood as part of the deltaic branch system of the Ganga, not as an Indus channel or a tributary of the Narmada.
Option A is correct because it identifies Hooghly as a distributary stream in the delta region. The Indus, Narmada, and Luni belong to different drainage systems and do not provide the correct relationship. Remembering the difference between a distributary and a tributary is useful: a distributary separates from the main channel, while a tributary joins it. This distinction supports the answer.
The Ganga system has a wide basin and many tributaries. Exam tip: connect Ganga with northern plains.
View question detailsA large part of the Indus system lies in Pakistan but some tributaries are linked with India. Exam tip: remember regional location.
View question detailsWhen slope suddenly decreases a river may spread sediments. Exam tip: connect foothill zone with deposition.
View question detailsWhen plain river courses shift floods and erosion may increase nearby. Exam tip: connect course shifting with risk.
View question detailsHigh sediment deposits in the delta and helps form branches. Exam tip: connect sediment with delta.
View question detailsSundarbans is a famous part of the Ganga Brahmaputra delta. Exam tip: remember it with both delta and mangroves.
View question detailsAfter Arunachal Pradesh the Brahmaputra flows widely through Assam. Exam tip: remember its Indian route in order.
View question detailsThe upper course of Himalayan rivers lies in mountainous terrain, where the gradient is steep. A steep slope makes water flow rapidly downhill under gravity, so its velocity is high. Sea tides affect rivers mainly near their mouths, not in the upper course. Exam tip: associate the upper course with steep gradient, high velocity, and erosion.
View question detailsAll three major Himalayan river systems drain wide areas. Exam tip: remember their large basins.
View question detailsStreams branching away in a delta are called distributaries. Exam tip: identify terms by direction of flow.
View question detailsHimalayan rivers affect Indian plains through both water and sediments. Exam tip: study them with processes.
View question detailsA large basin can collect more water, so understanding the basin is important in flood planning. Exam tip: connect basin size with flood risk.
View question detailsHimalayan rivers deposit alluvial soil in plains. Exam tip: connect alluvial deposits with agriculture and plains.
View question detailsTributaries supply water and sediments to the main river. Exam tip: connect tributary network with a large river system.
View question detailsQUIZ COMPLETE