UPSC Prelims 2014— Question 23

Correct answer: Option C. Seasonal reversal of winds is the defining atmospheric feature of the monsoon climate. Land-sea thermal contrasts and seasonal pressure changes cause winds to reverse direction between seasons. Equatorial and Mediterranean climates do not display this characteristic as their defining circulation pattern. Option A: Incorrect. This option does not match the verified answer because its proposition, location, institution, sequence, or combination conflicts with the relevant fact tested in the question. The option reads: “Equatorial climate” Option B: Incorrect. This option does not match the verified answer because its proposition, location, institution, sequence, or combination conflicts with the relevant fact tested in the question. The option reads: “Mediterranean climate” Option C: Correct. This option is consistent with the governing fact or the valid combination identified in the question. The option reads: “” Option D: Incorrect. This option does not match the verified answer because its proposition, location, institution, sequence, or combination conflicts with the relevant fact tested in the question. The option reads: “All of the above climates” The key Prelims lesson is to test each proposition independently before selecting the combination. Where the question uses words such as 'only', 'all', 'none', 'always' or a precise institutional/geographical association, a single inaccurate component is sufficient to eliminate the option. The answer recorded here follows the official answer key for the question-paper series represented by the uploaded source and has been cross-checked against an independent published key. The explanation is intended for conceptual revision rather than as a reproduction of any third-party solution.