50 Ocean Trivia Questions and Answers

By xp24media

Did you realize that 80% of our seas have yet to be explored? It’s mind-boggling to consider what’s out there. Yet one thing is certain: our planet’s waters are breathtakingly gorgeous and alive with animals we rarely see.

Thus, to learn more about our seas, we’ve compiled a list of 50 of our favorite ocean trivia questions to test any aquatic professionals and shine a light on the world’s undersea treasures!

Easy Questions: 1 to 10.

Medium Questions: 11 to 30

Hard Questions: 31 to 50

50 Ocean Trivia Questions and Answers


#1. Hydrosphere, the water part, covers how much % of Earth's crust?

#2. Among the known oceans in the world, which is the largest?

#3. How many water species are approximated to live in the oceans?

#4. Among the known oceans in the world, which is the smallest?

#5. How many cubic kilometers does the Earth's Ocean occupy?

#6. Which among the following oceans is covered partly in sea ice year-round?

#7. How many Global oceans are there in the Earth's crust?

#8. At which atmosphere subsystem of the Earth is the Ocean classified?

#9. The Arctic Ocean and Pacific Ocean are separated by what?

#10. Which chemical compound is contained in all oceans?

#11. Which country is bordered by the Indian Ocean?

#12. On the Earth's surface, which is referred to as the deepest natural ocean trench?

#13. Apart from water and calcium, which among the following main chemical compounds is not found on Earth's crust?

#14. Which among the following is not categorized in Marine life?

#15. Approximately how many Islands are found in the Pacific Ocean?

#16. Small plant and animal organisms that float on water are called?

#17. Salt in oceans is obtained from?

#18. According to continental theory, Pangaea was surrounded by which superocean?

#19. The Equator passes through how many oceans on Earth's surface?

#20. Which Ocean is located west of the United Kingdom in America?

#21. Which of these rivers drains its water into the Atlantic ocean?

#22. Organisms that live on the seafloor are called?

#23. Which country as both the Atlantic and Pacific oceans on its coastline?

#24. In 1912, which type of ship sunk in the North Atlantic ocean?

#25. Coral reefs are mostly found in which Ocean?

#26. How much % of Earth's wildlife is found in the Ocean?

#27. Which of the following is an island in the Indian Ocean?

#28. St Helena island is found in which Ocean?

#29. Which of these countries does not share the Atlantic ocean on their coastline?

#30. Bermuda Triangle is found in which global Ocean?

#31. Arctic, Pacific, Southern, Indian, and Atlantic are connected to form one huge body known as?

#32. The United States is related to how many oceans?

#33. The largest underwater mountain range is called?

#34. Indian Ocean shares how many continents in the world?

#35. Which Early Explorers used the Atlantic ocean to sail to the United States?

#36. The Great Barrier Reef is located in which global Ocean?

#37. Does the Ocean produce the Earth's Oxygen?

#38. Approximately how many cargo ships are in the Ocean at the same time?

#39. What is the average feet depth in the Ocean?

#40. A full circle of water takes how long to complete on Earth's Ocean?

#41. Water transport, especially Cargo ships, at what % are they rated in trading goods worldwide?

#42. How many bones do Turtle shells combined have?

#43. The heart organ in a Shrimp's body is located in which part?

#44. How many Shark species are estimated to be killed per annum?

#45. The fastest-recorded marine species is called?

#46. The largest species of Dolphin is referred to as?

#47. The largest mammal is known, mostly in the southern hemisphere, the Blue Whale. How many feet long on the record?

#48. Which ocean species is known for its painful stinging to a human?

#49. Titanic of the East is a name to refer to which shipwreck?

#50. How many wrecked ships are figured to be in the Ocean?


Similar Trivia: 50 Mountain Trivia Questions and Answers

Final Thoughts

How did you find the trivia? I hope you’ve learned more about the ocean. You can share the trivia with your friends and rate their ocean knowledge.

Do you want to play more trivia games? Check out other fun trivia games on our library of trivia questions, and choose the topic or genre of your interest.

Leave a Comment