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When you travel to the Himalayas, you will see the following:

1. Deep gorges

2. U-turn river courses

3. Parallel mountain ranges

4. Steep gradients causing land-sliding

Which of the above can be said to be the evidence for the Himalayas being young fold mountains?   

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

1 Answer

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Correct Answer - Option 4 : 1, 2, 3 and 4

The correct answer is 1, 2, 3 and 4.

  • Kali Gandaki Gorge, Indus Gorge, etc. are examples of deep gorges in the Himalayan mountains. Hence statement 1 is correct.
  • Young fold mountains are rising under the influence of the earth’s tectonic forces and these mountains are still continuing vertical growth. Due to these continuous mountain forces, steep gradients and land sliding are common in Himalayan areas.
    • A recent glacier landslide in the Chamoli district of Himachal Pradesh is its example. Hence statement 4 is correct.
  • The Himalayas consist of three parallel ranges, the Greater Himalayas known as the Himadri, the Lesser Himalayas called the Himachal, and the Shivalik hills, which comprise the foothills. Hence statement 3 is correct.
  • Himalayan Rivers form meanders and often shifts their beds and even take U-turn-like shapes.
    • They perform meanders because the upper areas of the Himalayas are highly tortuous and there is a sudden reduction of water speed when they enter plains, due to lessening speed rivers get the opportunity to form meanders. Hence statement 2 is correct.
  • Hence the correct answer to this question is 1, 2, 3 and 4.

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