| List-I (Oceans) | List-II (Ridges) |
| A. Atlantic ocean | 1. Cocos ridge |
| B. Pacific ocean | 2. Lomonosov ridge |
| C. Indian ocean | 3. Dolphin ridge and challenge ridge |
| D. Arctic ocean | 4. South East Indian ridge |
A) A-2 B-4 C-1 D-3
B) A-3 B-1 C-4 D-2
C) A-1 B-2 C-3 D-4
D) A-4 B-3 C-2 D-1
Correct Answer: B
Solution :
Dolphin ridge and challenge ridge are in Atlantic Ocean. Dolphin ridge is in North Atlantic Ocean while Challenge ridge is in South Atlantic Ocean. Cocos ridge is in Pacific Ocean. South East Indian ridge is in Indian Ocean. Lomonosov ridge is an unusual underwater ridge of continental crust in the Arctic Ocean.
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