Oceans Trivia Quiz - Free Geography Quiz with Answers

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Are you an Oceans enthusiast? How well do you think you know the world's oceans? Test your knowledge with an online Oceans trivia quiz! Put your knowledge to the test with a selection of interesting, challenging, and sometimes even humorous questions and answers. See if you can name the deepest points of the oceans, identify the largest oceanic desert, name the longest mountain range in the world and much more. With an Oceans quiz, you'll find out if you really know your Oceans!

Question 1:

Which ocean is the largest and deepest, covering approximately 63 million square miles (165 million square kilometers)?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 2:

The Mariana Trench, known as the deepest part of the world's oceans, is located in which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 3:

Which ocean is the smallest and shallowest of Earth's five major oceanic divisions?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Arctic Ocean

1 b

Question 4:

The Sargasso Sea, a unique region characterized by its free-floating seaweed called Sargassum, is located in which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 5:

The Great Barrier Reef, the world's largest coral reef system, is located off the coast of which country?

A) Australia

B) Brazil

C) Indonesia

D) South Africa

1 b

Question 6:

The Gulf Stream, a powerful, warm ocean current that originates in the Gulf of Mexico, primarily flows through which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 7:

The Antarctic Circumpolar Current, also known as the West Wind Drift, flows around which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 8:

Which ocean is bordered by Africa, Asia, Australia, and the Indian subcontinent?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 9:

The Ring of Fire, an area prone to earthquakes and volcanic eruptions, is primarily located along the borders of which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 10:

The Mid-Atlantic Ridge, an underwater mountain range formed by tectonic plate movement, is found in which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 11:

The Humboldt Current, known for its cold, low-salinity waters and rich marine life, flows along the western coast of which continent?

A) North America

B) South America

C) Africa

D) Asia

1 b

Question 12:

The Agulhas Current, one of the strongest western boundary currents, flows along the southeastern coast of which continent?

A) North America

B) South America

C) Africa

D) Asia

1 b

Question 13:

The Black Sea, bordered by six countries including Turkey and Ukraine, is connected to which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Arctic Ocean

1 b

Question 14:

The Bay of Bengal, the largest bay in the world, is an extension of which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b

Question 15:

The Bermuda Triangle, an area in the western part of the North Atlantic Ocean associated with mysterious disappearances, is situated in which ocean?

A) Atlantic Ocean

B) Pacific Ocean

C) Indian Ocean

D) Southern Ocean

1 b