Major Oceans & Seas Quiz

What percentage of the Earth's surface is covered by oceans and seas?

• 90%

• 71%

• 50%

• 30%

Which ocean is the largest and deepest?

• Pacific Ocean

• Atlantic Ocean

• Indian Ocean

• Southern Ocean

What is the Mid-Atlantic Ridge?

• A sea bordering Europe

• An underwater mountain range

• A type of ocean current

• A historical trade route

Which ocean is known for its role in oil shipping routes and monsoon patterns?

• Arctic Ocean

• Indian Ocean

• Southern Ocean

• Atlantic Ocean

What connects the Mediterranean Sea to the Atlantic Ocean?

• Strait of Gibraltar

• Suez Canal

• Panama Canal

• Bering Strait

Which ocean is recognized for its role in global climate regulation and ocean circulation?

• Atlantic Ocean

• Southern Ocean

• Arctic Ocean

• Indian Ocean

What is a significant characteristic of the Arctic Ocean?

• It has the highest salinity

• It is covered in sea ice for most of the year

• It is the warmest ocean

• It is the largest ocean

Which sea is known for its high salinity and warm waters?

• South China Sea

• Baltic Sea

• Red Sea

• Caribbean Sea

What is the primary reason for the increasing study of the Arctic Ocean?

• Oil shipping routes

• Geopolitical interest and melting ice

• Its rich marine life

• Historical significance

Which sea is strategically important and subject to territorial disputes?

• Baltic Sea

• Caribbean Sea

• Mediterranean Sea

• South China Sea