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Which of the following landforms created by glacial erosion?

1. Cirque

2. 'U' shaped valley

3. Hanging Valley

1. 1 and 2 only
2. 2 and 3 only
3. 1 and 3 only
4. 1, 2 and 3

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Correct Answer - Option 4 : 1, 2 and 3

The correct answer is 1, 2 and 3.

  • A thick ice sheet covering a vast area of land is called a continental glacier.
  • The thickness of ice in such regions goes up to thousands of metres.
  • Glaciers of this type build-up at the centre and move outward in all directions.
  • The precipitation in these regions occurs in the form of snow. It gets accumulated year by year because of the relatively slower rate of its melting.
  • When a mass of ice from the high mountainous regions starts moving down into the pre-existing valleys, it is called a valley glacier or a mountain glacier.
  • The shape of the valley glaciers depends on the valley it occupies. 
  • As a glacier moves over the land, it drags rock fragments, gravel and sand along with it.
  • These rock fragments become efficient erosive tools. With their help glacier scrapes and scours the surface rocks with which it comes in contact.
  • This action of glacier leaves behind scratches and grooves on rocks.


  • The landforms like Cirque, 'U' shaped valley, Hanging Valley etc are created by the glacial erosion. Hence, Statement 1, 2 and 3 are correct.
  • Snow collects at the upper end in a bowl-shaped depression, is called a cirque.
  • Layers of snow in the process of compaction and recrystallization are called firn.
  • The deepest parts of these hollows are occupied by accumulated-water to form Corrie Lake.
  • There are tributary the glaciers also which join the main glacier after moving over their mountainous path. These tributary glaciers like the main glaciers carve U - shaped valleys.
  • The valley of the tributary glacier just looks like hanging downwards at the point of its confluence with the main valley referred to as a hanging valley. 

  • The longest glacier in India is the Siachen Glacier in Karakoram Range which is 72 kilometres long. 
  • Gangotri Glacier in Uttarakhand is 25.5 kilometres long. 
  • The two important rivers of India, the Ganga and Yamuna, originate from Gangotri and Yamunotri glaciers respectively.

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