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On the basis of prominent relief features, the peninsular plateau can be divided into three broad groups:
Let’s take up these divisions one by one:
1. The Central Highlands
2. The Deccan Plateau
3. The Northeastern Plateau:
Most of the hills in the peninsular region are of the relict type (residual hills). They are the remnants of the hills and horsts formed many million years ago (horst: uplifted block; graben: subsided block).
The plateaus of the Peninsular region are separated from one another by these hill ranges and various river valleys.
1. The Aravalli Mountain Range:
2. Vindhyan Ranges:
3. Satpura ranges:
4. Western and Eastern Ghats:
Note: The Western Ghats are continuous and can be crossed through passes only. There are four main passes which have developed in the Western Ghats. These are:
For the geographical location of these passes, see the following map:
Now that we are done with this part, let’s try to attempt some questions from the past UPSC examinations:
Question: Which one of the following mountain ranges is spread over only one state in India?
Question: Consider the map given below:
The places marked A,B, C, and D in the map are respectively
A) Rift valley region, Chattisgarh plain, Rain shadow region, and Chotanagpur Plateau
B) Chattisgarh plain , Chotanagpur Plateau, Rift valley region, Rain shadow region
C) Rift valley region, Chattisgarh plain, Chotanagpur Plateau and Rain shadow region
D) Chattisgarh plain , Rain shadow region, Chotanagpur Plateau, Rift valley region,
Question: Which one of the following statements is not correct?
A) The Western Ghats are relatively higher in their northern regions.
B) The Anaimudi is the highest peak in the Western Ghats
C) Tapi river lies to the south of Satpura
D) The Narmada and the Tapi river valleys are said to be old rift valleys.
Question: Which one of the following is the correct sequence of the given hills starting from the north and going towards the south?
A) Nallamalai Hills – Nilgiri Hills – Javadi Hills – Anaimalai Hills
B) Anaimalai Hills – Javadi Hills – Nilgiri Hills – Nallamalai Hills
C) Nallamalai Hills – Javadi Hills – Nilgiri Hills – Anaimalai Hills
D) Anaimalai Hills – Nilgiri Hills – Javadi Hills – Nallamalai Hills
Question: In which state is the Guru Shikhar peak located?