Why is the land of the Peninsular Plateau called stable?
Answer and explanation
Correct answer: It is made of very old and hard rocks
The Peninsular Plateau is called a stable landmass because it is one of the oldest parts of the Indian subcontinent. Much of it consists of ancient crystalline igneous and metamorphic rocks that have remained comparatively firm and resistant for a very long time. It has experienced erosion and some local movements, but it is generally less tectonically active than young fold mountain regions.
Option A is correct because old and hard rocks explain the plateau’s broad stability. New alluvial soil describes river plains, not the basic structure of the Peninsular Plateau. It is not covered by seawater, nor does it change shape every day. The word “stable” here refers to geological structure and relative tectonic firmness, not to an absence of all erosion or any geological change.
Frequently asked questions
What is the correct answer to this question?
It is made of very old and hard rocks
Why is this the correct answer?
The Peninsular Plateau is called a stable landmass because it is one of the oldest parts of the Indian subcontinent. Much of it consists of ancient crystalline igneous and metamorphic rocks that have remained comparatively firm and resistant for a very long time. It has experienced erosion and some local movements, but it is generally less tectonically active than young fold mountain regions.
Option A is correct because old and hard rocks explain the plateau’s broad stability. New alluvial soil describes river plains, not the basic structure of the Peninsular Plateau. It is not covered by seawater, nor does it change shape every day. The word “stable” here refers to geological structure and relative tectonic firmness, not to an absence of all erosion or any geological change.
Which subject and chapter does this question cover?
This is a Class 9 Geography question. Chapter: Physical Features of India. Topic: The Peninsular Plateau.
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