Seas of the World – MCQs

1. Which is the largest sea in the world?

• Coral Sea
• South China Sea
• Arabian Sea
• Mediterranean Sea

2. The Mediterranean Sea is connected to the Atlantic Ocean by which strait?

• Bosphorus Strait
• Strait of Gibraltar
• Strait of Malacca
• Hormuz Strait

3. Which sea is bordered by 22 countries, the most for any sea?

• Red Sea
• Mediterranean Sea
• Caribbean Sea
• Black Sea

4. The Dead Sea is known for:

• Being the deepest sea
• Having the highest salinity
• Having the most coral reefs
• Being the coldest sea

5. Which sea separates Europe from Africa?

• Red Sea
• Mediterranean Sea
• Black Sea
• Caspian Sea

6. The Caribbean Sea is part of which ocean?

• Pacific Ocean
• Indian Ocean
• Atlantic Ocean
• Arctic Ocean

7. Which sea is actually the world’s largest lake?

• Aral Sea
• Caspian Sea
• Dead Sea
• Red Sea

8. The Red Sea is connected to the Indian Ocean via:

• Suez Canal
• Bab-el-Mandeb Strait
• Strait of Hormuz
• Panama Canal

9. Which sea is almost completely landlocked?

• Arabian Sea
• Black Sea
• South China Sea
• Tasman Sea

10. The Sea of Japan is bordered by all EXCEPT:

• China
• Japan
• Russia
• South Korea

11. Which sea has the highest recorded salinity?

• Mediterranean Sea
• Dead Sea
• Red Sea
• Caspian Sea

12. The Sargasso Sea is unique because it:

• Has no land boundaries
• Is surrounded by ocean currents
• Is the coldest sea
• Has the most active volcanoes

13. Which sea is shrinking due to water diversion?

• Caspian Sea
• Aral Sea
• Dead Sea
• Black Sea

14. The Baltic Sea borders which of these countries?

• Spain
• Sweden
• Italy
• Greece

15. Which sea is connected to the Black Sea via the Bosphorus Strait?

• Red Sea
• Sea of Marmara
• Adriatic Sea
• North Sea

16. The Persian Gulf is an extension of which sea?

• Red Sea
• Arabian Sea
• Mediterranean Sea
• Caspian Sea

17. Which sea is famous for its “Floating Plastic Island”?

• Mediterranean Sea
• Sargasso Sea
• Caribbean Sea
• North Sea

18. The Andaman Sea is part of which ocean?

• Atlantic Ocean
• Indian Ocean
• Pacific Ocean
• Southern Ocean

19. Which sea is the shallowest in the world?

• Azov Sea
• Baltic Sea
• Red Sea
• Arabian Sea

20. The North Sea is rich in which resource?

• Gold
• Oil and Gas
• Diamonds
• Uranium

21. Which sea is called “Erythraean Sea” in ancient texts?

• Black Sea
• Red Sea
• Arabian Sea
• Caspian Sea

22. The Celebes Sea is located near which country?

• Egypt
• Indonesia
• Brazil
• Canada

23. Which sea is known for its “Blue Hole” natural wonder?

• Red Sea
• Black Sea
• Baltic Sea
• North Sea

24. The Bering Sea separates which two countries?

• Japan and China
• USA and Russia
• UK and France
• India and Pakistan

25. Which sea has no tides due to being nearly landlocked?

• Mediterranean Sea
• Arabian Sea
• South China Sea
• Caribbean Sea