Corals Quiz: Trivia Questions and Answers

1. What is the percentage of dead coral in the world?

10%

20%

15%

2. In southeast Asia, what percentage of coral reefs are endangered?

90%

80%

70%

3. During which dynasty did coral jewelry reach the height of its popularity in China?

Jinn Dynasty

Qing Dynasty

Sui Dynasty

4. What changes in water temperature can kill some species of coral?

7 - 8 °C

3 - 4 °C

1 - 2 °C

5. Which class of the Animalia kingdom do coral reefs belong to?

Hydrozoa

Anthozoa

Polypodiozoa

6. What percentage of hermatypic corals form single-sex colonies?

25%

29%

30%

7. What is the biggest group of coral reefs?

Glover's Reef

The Great Barrier Reef

New Caledonia Barrier Reef

8. Which international project reduces the amount of damage to coral reefs while scuba diving and snorkeling?

Green Fins

Coral Reservation

Safety of Life at Sea

9. How long is the Great Barrier Reef?

2,400 kilometres

2,300 kilometres

2,100 kilometres

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