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Coral Reef Quiz

An illustrated look at the fundamentals of coral reefs 10 Questions.

 
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Prasutagus
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1
Question 1 Photo

Coral reefs are underwater structures made from which coral-secreted material?

  • Calcium Oxalate
  • Calcium Carbonate
  • Calcium Phosphate
  • Calcium Silicate

2
Question 2 Photo

Which tiny organisms secrete the Calcium Carbonate to form coral reefs?

  • Plants
  • Bacteria
  • Algae
  • Animals

3
Question 3 Photo

Which is the world's biggest coral 'barrier' reef, stretching for over 2,600 kilometers (1,600 miles)?

  • The Great Barrier Reef
  • Mesoamerican Barrier Reef System
  • New Caledonia Barrier Reef
  • Andros Barrier Reef

4
Question 4 Photo

What type of reef is directly attached to a shore, or borders it with an intervening shallow channel or lagoon?

  • Barrier
  • Ribbon
  • Fringing
  • Atoll

5
Question 5 Photo

What age are the majority of coral reefs?

  • 10,000,000 years
  • 100,000 years
  • 10,000 years
  • Less than 10,000 years

6
Question 6 Photo

What event caused ice to melt, raising sea levels to cover the continental shelves on which the majority of coral reefs have formed?

  • Volcanic eruption
  • End of the last ice-age
  • Meteor strike
  • Continental drift

7
Question 7 Photo

By what term are circular reefs, extending around a lagoon without a central island, better known?

  • Cay
  • Patch
  • Atoll
  • Ribbon

8
Question 8 Photo

For what approximate percentage of marine species do coral reefs provide a home?

  • 25%
  • 35%
  • 45%
  • 55%

9
Question 9 Photo

In degrees Celcius, what is the optimum temperature for the growth of tropical corals?

  • 24-25
  • 26-27
  • 28-29
  • 30-31

10
Question 10 Photo

Which ship was dispatched in search of HMS Bounty early in August 1790, but ran aground and sank on the Great Barrier Reef on 29 August 1791?

  • HMS Victory
  • The Golden Hind
  • HMS Resolution
  • HMS Pandora

 

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