Match List-I with List-II anda) (Industry)A.Osaka 1. CigarB.Detroit2.Ship buildingC.Cuba3.Cotton textileD.St. Pittsberg4.AutomobileCode: A B C D

1. A

   2 1 4 3

   Option A matches Osaka with ship building, Detroit with cigar, Cuba with cotton textile, and St. Petersburg with automobile. This sequence incorrectly pairs major global industrial cities with unrelated production sectors.

2. B

   4 3 2 1

   Option B matches Osaka with automobile, Detroit with cotton textile, Cuba with ship building, and St. Petersburg with cigar. These incorrect pairings fail to align any city with its historically renowned manufacturing base.

3. C

   1 2 3 4

   Option C matches Osaka with cigar, Detroit with ship building, Cuba with cotton textile, and St. Petersburg with automobile. This arrangement misplaces all industrial centers and cannot be the correct key.

4. D

   3 4 1 2

   Option D matches Osaka (A) with cotton textile (3), Detroit (B) with automobile (4), Cuba (C) with cigar (1), and St. Petersburg (D) with ship building (2). Osaka is historically famed for its textile mills, Detroit is the global capital of automobile production, Cuba is renowned for cigar manufacturing, and St. Petersburg is a major center for shipbuilding. This accurate and comprehensive industrial matching makes this option the correct key.

Summary. Official key is (d) matching Osaka to cotton textiles, Detroit to automobiles, Cuba to cigars, and St. Petersburg to shipbuilding. Each city represents a globally recognized hub for its respective industry. Osaka's textile legacy, Detroit's automotive dominance, Cuba's cigar craftsmanship, and St. Petersburg's naval shipbuilding define these traditional economic centers. Students often confuse regional manufacturing specializations, but verifying key industrial cities resolves the matching accurately. Therefore, option (d) is the only correct choice.