4.3 Aquatic food production systems

4.3 Aquatic food production systems Quiz

IB Environmental Systems and Societies HL: Quiz

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5 questions, one answer each

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  1. 1. The highest annual catch that can be sustained over time is the

    • A. quota
    • B. bycatch
    • C. maximum sustainable yield
    • D. stock biomass

  2. 2. Which is an environmental impact of aquaculture?

    • A. Lower demand for wild fish feed
    • B. Parasites spreading to wild fish
    • C. Increased biodiversity under cages
    • D. Reduced nutrient pollution

  3. 3. Which best explains how MPAs support fisheries?

    • A. They allow unlimited fishing
    • B. They protect spawning grounds so stocks can recover
    • C. They increase ocean acidification
    • D. They remove all predators

  4. 4. (HL) A coastal state's exclusive economic zone extends about

    • A. 37 km
    • B. 370 km
    • C. 3,700 km
    • D. 12 km

  5. 5. (HL) Why can harvesting at MSY be risky?

    • A. Stock estimates are uncertain and the stock can fall
    • B. MSY always equals zero catch
    • C. MSY increases the stock size
    • D. MSY removes the need for monitoring

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