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Landforms by glaciation - Indian Geography, UPSC IAS Exam Preparation Video Lecture | Geography (Prelims) by Valor Academy

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FAQs on Landforms by glaciation - Indian Geography, UPSC IAS Exam Preparation Video Lecture - Geography (Prelims) by Valor Academy

1. What are the major landforms created by glaciation in Indian geography?
Ans. The major landforms created by glaciation in Indian geography include U-shaped valleys, cirques, moraines, drumlins, and eskers.
2. How are U-shaped valleys formed by glaciation?
Ans. U-shaped valleys are formed by glaciation when a glacier moves down a pre-existing V-shaped valley, carving and eroding the sides and bottom of the valley into a U-shape.
3. What are cirques and how are they formed by glaciation?
Ans. Cirques are bowl-shaped hollows that are formed by glaciation. They are created when a glacier erodes the head of a valley, leaving a steep-walled hollow with a concave shape.
4. What is the role of moraines in glaciated landscapes?
Ans. Moraines are accumulations of rocks, gravel, sand, and clay that are carried and deposited by glaciers. They play a crucial role in shaping glaciated landscapes by forming ridges and mounds, and by marking the extent of past glaciation.
5. How are drumlins and eskers formed by glaciation?
Ans. Drumlins are elongated hills that are formed by the deposition of glacial till. They are typically smooth and streamlined in shape. Eskers, on the other hand, are long ridges of sand and gravel that are formed by meltwater streams flowing within or beneath a glacier. They are created when sediment is deposited in the tunnels or channels of the ice.
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