UPSC Prelims 1997·GS1·geography·geomorphology

Match List I with List II and select the correct answer using the codes given below the lists: List I List II I. Deccan Traps A) Late Cenozoic II. Western Ghats B) Pre-Cambrian III. Aravalli C) Cretaceous-Eocene IV. Narmada-Tapi D) Cambrian Alluvial deposits E) Pleistocene Codes:

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  1. AI-C, II-E, III-A, IV-D
  2. BI-C, II-A, III-B, IV-ECorrect
  3. CI-B, II-A, III-C, IV-D
  4. DI-A, II-D, III-B, IV-E

Explanation

The correct option is B because of the following geological associations: 1. Deccan Traps: These were formed by massive volcanic eruptions during the transition from the Cretaceous to the Eocene period. This aligns I with C. 2. Western Ghats: While the rocks are older, the upliftment and formation of the Western Ghats as a mountain range occurred during the Late Cenozoic era. This aligns II with A. 3. Aravalli: These are among the oldest fold mountains in the world, formed during the Pre-Cambrian era billions of years ago. This aligns III with B. 4. Narmada-Tapi Alluvial Deposits: These river valley deposits are relatively recent in geological time, belonging to the Pleistocene epoch. This aligns IV with E. By matching I-C, II-A, III-B, and IV-E, option B is the only correct choice.
geography: Match List I with List II and select the correct answer using the codes given below the lists: List I List II I. Deccan

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