| Which of the following statements) is/are correct regarding Block mountains? |
| 1. Block mountains are created when large areas are broken and displaced vertically. |
| 2. The uplifted blocks are termed as graben and the lowered blocks are called horsts. |
| 3. The Aravali range in India is one of the oldest Block mountain systems in the world. The range has considerably worn down due to the processes of erosion. |
| Select the correct answer using the codes given below. |
A) Only 1
B) 1 and 2
C) 2 and 3
D) All of these
Correct Answer: A
Solution :
[a] There are three types of mountains- Fold mountains, Block mountains and the Volcanic mountains. The Himalayan mountains and the Alps are young Fold mountains with rugged relief and high conical peaks. The Aravali range in India is one of the oldest Fold mountain systems in the world. The range has considerably worn down due to the processes of erosion. Block mountains are created when large areas are broken and displaced vertically. The uplifted blocks are termed as horsts and the lowered blocks are called graben. The Rhine valley and the Vosges mountain in Europe are examples of such mountain systems.
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