Oceanography Concepts and Fisheries Issues

The video introduces oceanography, covering its four main types: geological, chemical, physical, and marine. It discusses the five major oceans, their sizes, and features like trenches. Historical figures in oceanography, such as John Cook and Charles Darwin, are highlighted. The video also addresses ocean resources, emphasizing the impact of overfishing and the importance of sustainable practices.

Which type of oceanography focuses on the study of seawater composition and biochemical cycles?

• Chemical Oceanography

• Geological Oceanography

• Marine Oceanography

• Physical Oceanography

What is the primary focus of marine oceanography?

• Studying ocean currents

• Studying marine life

• Studying ocean floor geology

• Studying seawater chemistry

What is the deepest part of the Pacific Ocean called?

• Java Trench

• Puerto Rico Trench

• Mariana Trench

• South Sandwich Trench

Which ocean is the largest by area?

• Pacific Ocean

• Arctic Ocean

• Indian Ocean

• Atlantic Ocean

Who is known as the father of physical oceanography?

• John Cook

• John Harrison

• Matthew Morey

• Charles Darwin

What was the significance of the HMS Challenger expedition?

• It was the first to use a chronometer.

• It discovered the Hawaiian Islands.

• It established oceanography as a distinct science.

• It was the first to map the eastern coastline of Australia.

What is a major issue facing fisheries today?

• Lack of technology

• Climate change

• Overfishing

• Pollution

What is the term used when a fishery can no longer sustain a viable population for fishing?

• Fishery exhaustion

• Fishery collapse

• Fishery depletion

• Fishery decline

What process is used to remove salt from ocean water to make it drinkable?

• Filtration

• Distillation

• Desalination

• Purification

Which of the following is NOT a non-living resource obtained from the ocean?

• Seafood

• Minerals

• Natural gas

• Oil