Unit 8: Option B — Oceans and Coastal Margins
Topic 8.4: Ocean management futures Questions
Practice 20 exam-style questions for IB Geography Topic 8.4. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1State1 mark
2022
Using the table, state the total daily oil flow through all five chokepoints.
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2025
Explain two reasons why countries come into conflict over who controls shipping choke points.
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2019
Explain two ways a country can benefit from the rights it holds in its exclusive economic zone.
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The Spratly Islands in the South China Sea are contested because…
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A fishery is sustainable when fish are caught no faster than they…
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A larger net mesh size reduces overfishing mainly because it…
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A common limitation of marine protected areas is that they…
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Which country produces by far the most farmed seafood (aquaculture)?
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Unlock Question9Suggest3 marks
2021
Suggest how sustainable fishing can help the global climate.
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2023
Using the table (1 cm = 10 km), estimate the area of Island B, treating it as a rectangle.
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2023
Using the table, identify the island in the Southern Hemisphere.
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2023
Using the table, identify the island in the Northern Hemisphere.
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2023
Using the table (1 cm = 10 km), estimate the area of Island A, treating it as a rectangle.
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2026
Explain one benefit of aquaculture for people.
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2021
Using the table, identify the country with the largest share.
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2023
Outline one reason for extending a marine reserve along a migration corridor.
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2025
Explain two reasons for disputes over narrow sea passages.
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2021
World aquaculture production was about 120 million tonnes. Using the table, estimate Country P’s production in millions of tonnes.
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2021
Suggest one way sustainable fishing benefits ocean ecosystems worldwide.
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2021
Suggest how protecting fish stocks can create new income for coastal communities in lower-income countries.
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