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UPSC Prelims 2026 GS Paper 1, question 34

Topic: Indian geography

Q34

Which of the following geographical features or phenomena is/are associated with the Peninsular Block of India ?

  1. Submergence of parts of the western coast due to tectonic activity

  2. Presence of residual mountain ranges such as the Veliconda hills and Mahendragiri hills

  3. Deep, V-shaped river valleys formed by fast-flowing rivers

Select the answer using the code given below :

  1. (a) 1 only
  2. (b) 1 and 2Correct answer
  3. (c) 2 and 3
  4. (d) 3 only

Solution.

Answer: (b) 1 and 2

  1. Statement 1 is correct: according to NCERT's India: Physical Environment, the Peninsular Block has undergone vertical tectonic movements and faulting, including the submergence of parts of the western coast.
  2. Statement 2 is correct: the Peninsular plateau features ancient, denuded, relict and residual hills of the Eastern Ghats such as the Veliconda and Mahendragiri hills.
  3. Statement 3 is incorrect: Peninsular rivers generally flow through broad, shallow, graded valleys with low gradients, whereas deep V-shaped gorges are characteristic of youthful Himalayan rivers.