Official Answer Key & Detailed Solution
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Correct Answer: Option (C) — A-1; B-3; C-2; D-4
Concept & Option Breakdown
Standard Reference VerifiedCorrect pairings:
- Black Sea is bordered by Bulgaria (A-1)
- Red Sea is bordered by Eritrea (B-3)
- Yellow Sea is a marginal sea bordering China (C-2)
- Caspian Sea is bordered by Kazakhstan (D-4)
Yellow Sea is universally known to be between China and Korea (C-2). This directly narrows down options to (a) and (c). Red Sea borders Eritrea (B-3), confirming (c).
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