Q. Which of the following hills/mountains is/are example/examples of “Residual Mountains”?
1. Aravalli hills
2. Nallamalla hills
3. Veliconda hills
Select the correct answer using the codes given below:

[A] 1 only

[B] 1 and 2 only

[C] 2 and 3 only

[D] 1, 2 and 3

Answer: D
Notes:

Mountains that have been eroded by the agents of degradation such as winds, rain, frost and running water leaving behind only the hard rocks are known as residual mountains.  

  • These hard rocks that are left behind are known as the residual mountains.  
  • Examples of Residual Mountains in India are the Nallamala hills, Mahendragiri hills, the Aravali hills, the Javadi hills, the Veliconda hills, and the Palkonda range. 

Source: ICSE – Total Geography Class – IX