Unit 8: Option B — Oceans and Coastal Margins
Topic 8.2: Interactions between oceans and coastal places Questions
Practice 20 exam-style questions for IB Geography Topic 8.2. Review the question stems below, then unlock the full Question Bank to access markschemes, model answers, and AI grading.
1Identify2 marks
The table summarises features seen in a photograph of a rocky, high-energy coastline like Cape Foulwind, New Zealand.
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The table shows the share of mangrove swamp loss caused by different land uses on a tropical coast.
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The table below shows the percentage of coral reefs destroyed in each ocean region since 2000.
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2020
The table summarises a map of mangrove loss. Identify the main land use replacing mangroves on Island A.
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An extract from a 1:25 000 OS map shows the Dawlish coastline in south-west England. Use the grid and scale to answer the parts.
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Explain how marine erosion produces a stack on a rocky headland.
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2020
Using the table, identify the area where urban development causes the largest share of mangrove loss.
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A sandy spit and dune system, such as Dawlish Warren, has been left undeveloped. Outline two physical reasons why this stretch of coast has stayed undeveloped, and develop each.
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2019
On a 1:25 000 map, 4 cm represents 1 km. Using the table, estimate the distance from the tip of the spit to the station.
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Explain two reasons why different stakeholders place value on mangrove swamps.
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2020
Explain two ways the loss of mangroves harms the wider environment.
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Explain two environmental impacts that result when mangrove swamps are removed from a coast.
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Explain two ways in which coral reefs bring economic benefits to people.
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Vegetation such as marram grass helps a sand dune by…
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Outline one human activity that harms coral reefs and explain how it causes their decline.
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2023
Explain how a fall in relative sea level forms a relict cliff.
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2019
Using the table, state the six-figure grid reference of the car park.
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Outline one subaerial process that helps to erode a coastal landform, and explain how it does so.
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2023
Outline how freeze-thaw weathering helps to erode a coastal cliff.
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The erosion sequence on a headland runs…
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