UPSC Prelims 2024 Question:

Consider the following

information:

	Region	Name of the Mountain Range	Type of Mountain
1.	Central Asia	Vosges	Fold Mountain
2.	Europe	Alps	Block Mountain
3.	North America	Appalachians	Fold Mountain
4.	South America	Andes	Fold Mountain

In how many of the above rows is the given information correctly matched?

Explanation: 

• There are three types of mountains- Fold Mountains, Block Mountains and the Volcanic Mountains.
  
  
• The Himalayan Mountains, Alps and Andes 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.
  
  
  • Andes Mountains are a mountain system of South America and one of the great natural features on Earth.
    
    
• The Appalachians in North America and the Ural mountains in Russia have rounded features and low elevation. They are very old fold mountains.
  
  
• 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.
  
  

Therefore, option (2) is the correct answer.

Subject: Geography | Geomorphology