How much do you know about our Ocean?

A vibrant underwater scene showcasing diverse marine life, coral reefs, and oceanic landscapes with a question mark symbolizing curiosity and knowledge about the ocean.

Dive Into the Depths: Ocean Knowledge Quiz

Test your knowledge about the vast and mysterious oceans that cover our planet! From marine life to oceanic phenomena, this quiz will challenge what you think you know.

10 engaging multiple-choice questions
Discover fascinating ocean facts
Perfect for ocean enthusiasts of all ages

10 Questions2 MinutesCreated by ExploringWave572

How much of the Earth's surface is covered by oceans?

70 Percent

45 Percent

15 Percent

How many known marine life forms are there in the ocean?

Thousands

Hundred's of thousands

Millions

The bottom of the ocean has ridges, columns and deep trenches. What is the deepest known area of the Earth's oceans?

Mariana Trench

Tonga Trench

Puerto Rico Trench

The Bermuda Triangle is a famous area of the ocean where a large number of ships and planes have disappeared. Where is it located?

Pacific Ocean

Atlantic Ocean

Indian Ocean

What percentage of life on Earth is found in the ocean?

5-15 Percent

25-50 Percent

50-80 Percent

The oceans of the world are pretty big and hold many secrets. How much of them have we explored?

About 5 per cent

5-10 per cent

10-15 per cent

You probably know that trees produce oxygen, but did you know oceans do as well? How much of the oxygen that we breathe is produced by oceans?

30 per cent

50 per cent

70 per cent

According to the UN, how many shipwrecks are on the ocean floor?

One million

Three million

Five million

One of the biggest threats to the ocean is pollution. How much garbage — mostly plastic — is dumped into the ocean every year?

Three billion kilograms (seven billion lb)

Four and a half billion kilograms (10 billion lb)

Six billion kilograms (14 billion lb)

How much do you know about our Ocean?

Dive Into the Depths: Ocean Knowledge Quiz

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