Oceans of the World – MCQs
1. How many oceans are there in the world?
- 3
- 4
- 5
- 6
2. Which is the largest ocean in the world?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
3. Which is the smallest ocean in the world?
- Southern Ocean
- Indian Ocean
- Arctic Ocean
- Atlantic Ocean
4. What percentage of the Earth’s surface is covered by oceans?
- About 50%
- About 60%
- About 71%
- About 80%
5. Which ocean is located between Africa, Asia, and Australia?
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Southern Ocean
6. What is the deepest known part of the world’s oceans?
- Java Trench
- Mariana Trench
- Puerto Rico Trench
- Tonga Trench
7. Which ocean is named after a country?
- Pacific Ocean
- Indian Ocean
- Atlantic Ocean
- Arctic Ocean
8. Which ocean is also known as the “Antarctic Ocean”?
- Arctic Ocean
- Southern Ocean
- Indian Ocean
- Atlantic Ocean
9. Which ocean surrounds the North Pole?
- Arctic Ocean
- Atlantic Ocean
- Pacific Ocean
- Southern Ocean
10. The Sargasso Sea is located in which ocean?
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Arctic Ocean
11. Which strait connects the Atlantic Ocean to the Mediterranean Sea?
- Bering Strait
- Strait of Gibraltar
- Strait of Malacca
- Palk Strait
12. Which ocean current is responsible for the mild climate in Western Europe?
- California Current
- Gulf Stream
- Kuroshio Current
- Benguela Current
13. The Great Barrier Reef is located in which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
14. Which of these is the saltiest ocean?
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Arctic Ocean
15. The “Ring of Fire” is primarily associated with which ocean?
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Arctic Ocean
16. Which ocean is home to the Bermuda Triangle?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
17. The Panama Canal connects which two oceans?
- Atlantic and Indian
- Atlantic and Pacific
- Pacific and Indian
- Arctic and Atlantic
18. Which ocean has the most islands?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
19. The “Roaring Forties” are strong westerly winds found in which ocean?
- Atlantic Ocean
- Southern Ocean
- Indian Ocean
- Pacific Ocean
20. Which ocean is warming the fastest due to climate change?
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Arctic Ocean
21. The deepest point in the Atlantic Ocean is:
- Java Trench
- Puerto Rico Trench
- Mariana Trench
- South Sandwich Trench
22. Which ocean is almost entirely located within the Arctic Circle?
- Arctic Ocean
- Southern Ocean
- Atlantic Ocean
- Pacific Ocean
23. The “El Niño” phenomenon occurs in which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
24. Which ocean is the youngest in geological terms?
- Pacific Ocean
- Atlantic Ocean
- Southern Ocean
- Indian Ocean
25. The “Horse Latitudes” are located in which ocean(s)?
- Only Pacific
- Only Atlantic
- Both Atlantic and Pacific
- Only Indian Ocean
26. Which ocean has the least coastline compared to its size?
- Atlantic Ocean
- Pacific Ocean
- Southern Ocean
- Indian Ocean
27. The “Agulhas Current” flows in which ocean?
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Southern Ocean
28. Which ocean is shrinking due to tectonic plate movements?
- Pacific Ocean
- Atlantic Ocean
- Indian Ocean
- Arctic Ocean
29. The “Kuroshio Current” is found in which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
30. Which ocean has the most underwater volcanoes?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
31. Which ocean is expanding due to seafloor spreading?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
32. The “Mozambique Current” flows along the coast of which continent?
- South America
- Africa
- Australia
- Asia
33. Which ocean has the highest number of coral reefs?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
34. The “Peru Current” is also known as:
- Gulf Stream
- Humboldt Current
- Benguela Current
- Canary Current
35. The “Ninety East Ridge” is a submarine ridge in which ocean?
- Atlantic Ocean
- Indian Ocean
- Pacific Ocean
- Southern Ocean
36. Which ocean has the highest tidal range?
- Pacific Ocean
- Atlantic Ocean (Bay of Fundy has the highest tides)
- Indian Ocean
- Arctic Ocean
37. The “Drake Passage” connects which two oceans?
- Atlantic and Indian
- Atlantic and Southern (or Pacific and Southern)
- Pacific and Indian
- Arctic and Atlantic
38. Which ocean has the most underwater trenches?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
39. The “Labrador Current” flows into which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean
40. Which ocean has the largest number of seamounts?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
41. The “East Australian Current” flows in which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
42. Which ocean has the highest biodiversity?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
43. The “Oyashio Current” is found in which ocean?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
44. Which ocean has the most plastic pollution?
- Atlantic Ocean
- Pacific Ocean (Great Pacific Garbage Patch)
- Indian Ocean
- Arctic Ocean
45. The “Canary Current” flows along the coast of which continent?
- South America
- Africa
- Australia
- Asia
46. Which ocean is the least explored?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
47. The “North Atlantic Drift” is an extension of which current?
- California Current
- Gulf Stream
- Kuroshio Current
- Benguela Current
48. Which ocean has the most frequent tropical cyclones?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Southern Ocean
49. The “Leeuwin Current” flows along the coast of which country?
- South Africa
- Australia
- Brazil
- India
50. Which ocean has the highest average depth?
- Atlantic Ocean
- Pacific Ocean
- Indian Ocean
- Arctic Ocean