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  9. Q67

OPSC OCS 2025 · Question 67 of 84

With reference to the geomorphological evolution of the Peninsular Plateau of India, match the following hill ranges (List-I) with their corresponding geomorphological origin and characteristics (List-II). (2025) List-I (Hill Range) --- List-II (Type/Characteristic) (a) Aravalli Range --- 1. Highly denuded remnant of an ancient fold mountain system (residual mountain) (b) Nallamala Hills --- 2. Structural hill range forming a major segment of the Eastern Ghats __________________________________________________________ (c) Javadi Hills --- 3. Dissected plateau remnant representing fragmented Eastern Ghats (d) Mahendragiri Hills --- 4. North-eastern discontinuous extension of the Eastern Ghats near the coastal plain Codes:

Geography

  1. A3-2-1-4
  2. B1-2-3-4Correct
  3. C1-3-2-4
  4. D2-1-3-4

Answer: B. 1-2-3-4

Explanation

* Statement 1 (Pair a) is Correctly Matched with 1: The Aravalli Range is one of the oldest geological fold mountain systems in the world. Over eras of exposure, it has undergone extensive weathering and erosion, standing today as a highly denuded, relict residual mountain range.

Source: OPSC OCS Prelims 2025 GS Paper-I (Set D); answers per Apti Plus unofficial key

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