Unit 4: Water and Aquatic Food Production
Topic 4.3: Aquatic Food Production Systems Questions
Practice 20 exam-style questions for IB ESS Topic 4.3. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1outline2 marks
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Outline two ways fishing quotas can help make capture fisheries sustainable.
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• Aimnova PP-practice — 4.3.3
Using the data in the table, calculate the projected increase in global farmed-oyster harvest between 2020 and 2050.
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State one advantage of aquaculture for global food supply.
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Define the term capture fishery.
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• Aimnova PP-practice — 4.3.1
Using the data in the table, calculate, as a percentage, the efficiency of energy transfer between the freshwater shrimp and the trout.
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• Aimnova PP-practice — 4.3.2
Identify four strategies that could be used to manage this wild fishery sustainably.
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Define the term aquaculture.
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Define the term natural capital.
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Outline two ways aquaculture can reduce pressure on capture fisheries.
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Define maximum sustainable yield (MSY).
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Outline two regulating services provided by oceans or wetlands.
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• Aimnova PP-practice — 4.3.1
Outline four functions that water performs within natural ecosystems.
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Define sustainable aquatic food production.
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Outline two cultural ecosystem services provided by aquatic systems.
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State one provisioning ecosystem service provided by aquatic systems.
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State what the MSC label indicates to consumers.
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Explain why fish stocks are described as renewable natural capital.
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State what is meant by the term bycatch.
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• Aimnova PP-practice — 4.3.3
Using the data in the table, identify which farmed category has the lowest projected harvest weight in 2050.
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