Log in to GEO and try this 12-question GCSE quiz to see how much you know about the geography of coral reefs.

If you haven't already done it work through the 'Coral reef ecosystems and sustainable management' web unit to learn more. Or look at it again to help fill in any gaps in your knowledge about about the location and biodiversity of coral reefs, their value to us and the environment and threats affecting global reefs today


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Rank Name Score
1st HSG 24
2nd JWS 24
3rd CHA 24
4th IEL 24
5th Jay 24
6th JaY 24
7th c.o 24
8th hen 24
9th TPA 24
10th Lae 24

QUIZZES // Coral reef ecosystems and sustainable management quiz

Q1. Where are most coral reefs located globally?

On the equator

In deep oceans

South East Asia

Between 30° north and south of the equator

Q2. Coral reefs grow faster in waters around which temperature?


Over 30°C



Q3. Which is the correct definition of an ecosystem?

Plants and animals living together in a given area

Plants and animals living and interacting with each other in a given area

Plants, animals and abiotic components interacting with each other

An area with the same plants and animals

Q4. Where is the world’s largest coral reef found?


Cayman Islands



Q5. Coral reefs are structures built up of individual:





Q6. What are zooxanthellae?

The name for coral polyps

Algae found within the polyp

The name for the skeleton formed by the corals

A species of fish

Q7. Which type of reef is formed around a central lagoon?

Fringing reef

Atoll reef

Barrier reef

Patch reef

Q8. Which of these are reasons why corals are valuable?

They provide stock for the fishing industry

They provide shelter to land from tropical storms

They are home to a quarter of all global marine life

All of the above

Q9. Which of the following is not a threat to coral reefs:




Sea level rise

Q10. Which of the following management responses is not sustainable?

Dynamite fishing


Marine Protected Areas

No Wake Zones

Q11. What is the best solution to managing damage of coral reefs globally?

National projects

Local education programmes

International organisations

A combination of the above

Q12. When asked to ‘discuss’ in a question you should:

Develop your argument and use a case study to exemplify point

Give only the side given in the question and develop your answer

Give both sides of the argument

Give both sides and reach a conclusion


You scored this time. The more correct answers you give, and the fewer incorrect answers you guess, the better your score.

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