Previous Year Question
Consider the following information:
S. No. | 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?
Correct Answer: B
Detailed Solution
Row 1 is incorrect. The Vosges Mountains are not in Central Asia; they are situated in eastern France in Europe. Located along the western side of the Rhine Graben, they are fault-block or block mountains.
Row 2 is incorrect. The Alps are situated in Europe, but they are not block mountains. They are young fold mountains, formed through convergence of the African/Adriatic and Eurasian plates and the resulting compression and folding of rocks.
Row 3 is correct. The Appalachians lie in eastern North America and are highly eroded old fold mountains. They were produced by ancient continental convergence and mountain-building events.
Row 4 is correct. The Andes are young fold mountains extending along the western margin of South America. Their uplift and volcanic activity are associated with the subduction of the Nazca Plate beneath the South American Plate.