What are ocean currents? A) Waves in rivers B) Continuous movements of ocean water C) Rainfall patterns D) Underground streams Answer: B) Continuous movements of ocean water
Which force is primarily responsible for surface ocean currents? A) Earthquakes B) Wind C) Volcanoes D) Tides only Answer: B) Wind
Which ocean current is known for warming Western Europe? A) Labrador Current B) Canary Current C) Gulf Stream D) Oyashio Current Answer: C) Gulf Stream
The Gulf Stream originates in the: A) Arctic Ocean B) Indian Ocean C) Gulf of Mexico D) Mediterranean Sea Answer: C) Gulf of Mexico
Cold ocean currents generally originate from: A) Equatorial regions B) Polar regions C) Tropical islands D) Deserts Answer: B) Polar regions
Which of the following is a cold ocean current? A) Kuroshio Current B) Gulf Stream C) Brazil Current D) Labrador Current Answer: D) Labrador Current
Ocean currents influence: A) Climate B) Weather C) Marine life D) All of these Answer: D) All of these
The movement of deep ocean currents is mainly driven by: A) Wind B) Salinity and temperature differences C) Rainfall D) Earthquakes Answer: B) Salinity and temperature differences
Deep ocean circulation is also known as: A) Wave motion B) Tidal cycle C) Thermohaline circulation D) Coastal drift Answer: C) Thermohaline circulation
Which current flows along the eastern coast of North America? A) Benguela Current B) Gulf Stream C) Peru Current D) California Current Answer: B) Gulf Stream
The California Current is a: A) Warm current B) Cold current C) Seasonal current D) Deep-water current only Answer: B) Cold current
Ocean currents help in: A) Distribution of heat around the Earth B) Stopping rainfall C) Creating deserts only D) Increasing earthquakes Answer: A) Distribution of heat around the Earth
Which current flows along the western coast of South America? A) Peru (Humboldt) Current B) Brazil Current C) Gulf Stream D) Agulhas Current Answer: A) Peru (Humboldt) Current
The Peru Current is: A) Warm B) Cold C) Neutral D) Seasonal Answer: B) Cold
Which current is associated with rich fishing grounds off Peru? A) Kuroshio Current B) Brazil Current C) Peru Current D) Agulhas Current Answer: C) Peru Current
The Kuroshio Current is located in the: A) Atlantic Ocean B) Indian Ocean C) Pacific Ocean D) Arctic Ocean Answer: C) Pacific Ocean
The Kuroshio Current is a: A) Warm current B) Cold current C) Deep current D) Polar current Answer: A) Warm current
Which cold current flows near eastern Canada? A) Gulf Stream B) Labrador Current C) Brazil Current D) Agulhas Current Answer: B) Labrador Current
Meeting of the Gulf Stream and Labrador Current creates: A) Deserts B) Foggy conditions C) Volcanoes D) Droughts Answer: B) Foggy conditions
The Benguela Current flows along the coast of: A) West Africa B) South-West Africa C) East Asia D) Australia Answer: B) South-West Africa
The Benguela Current is: A) Warm B) Hot C) Cold D) Seasonal Answer: C) Cold
Which current flows along the east coast of South America? A) Brazil Current B) Peru Current C) Canary Current D) California Current Answer: A) Brazil Current
The Brazil Current is: A) Cold B) Warm C) Polar D) Deep-water Answer: B) Warm
Which current flows near Japan and is cold? A) Kuroshio Current B) Oyashio Current C) Gulf Stream D) Agulhas Current Answer: B) Oyashio Current
Ocean currents are affected by Earth’s rotation through the: A) Doppler Effect B) Coriolis Effect C) Greenhouse Effect D) Tidal Effect Answer: B) Coriolis Effect
The Agulhas Current flows near: A) South Africa B) Greenland C) Alaska D) Brazil Answer: A) South Africa
The Agulhas Current is a: A) Cold current B) Warm current C) Deep current D) Arctic current Answer: B) Warm current
Which ocean has the Antarctic Circumpolar Current? A) Arctic Ocean B) Atlantic Ocean C) Southern Ocean D) Indian Ocean Answer: C) Southern Ocean
The Antarctic Circumpolar Current flows: A) Around Antarctica B) Around Greenland C) Around Australia D) Around Africa Answer: A) Around Antarctica
Why are ocean currents important? A) They regulate climate and weather B) Support marine ecosystems C) Aid navigation D) All of these Answer: D) All of these