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Coral reef: Quiz

  
  
  

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More interesting facts on Coral reef

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Question 1: Such methods have been used to reconstruct ________ sea levels.
PleistoceneGeologic time scaleHolocene10th millennium BC

Question 2: This is because they are deficient in nutrients and drifting ________.
ZooplanktonPlanktonPrimary productionPhytoplankton

Question 3: In large restoration projects, depending on the type of coral, placement of propagated hermatype coral unto substrate is often done with metal pins, ________ or milliput.
Butyl cyanoacrylateCyanoacrylateEthyl cyanoacrylateMethyl cyanoacrylate

Question 4: Some land based reptiles can be intermittently associated with reefs, such as ________, the marine crocodile and semi-aquatic snakes like Laticauda colubrina.
Varanus indicusWater monitorHelodermaMonitor lizard

Question 5: The addition of too many nutrients such as phosphates and nitrates, a process known as ________, is very damaging to reefs.
Marine pollutionSurface runoffEutrophicationWater pollution

Question 6: Reef-building or hermatypic corals are only found in the photic zone (above 50 m depth), the depth to which sufficient sunlight penetrates the water for ________ to occur.
Cell wallPhotosynthesisAlgaePlant

Question 7: ________
Torres Strait IslandsGreat Barrier Reef Marine ParkQueenslandAustralia

Question 8: As an example of how coral reefs have formed on continental shelves, the current living reef structure of the ________ began growing about 20,000 years ago.
Coral reef fishCoral Sea IslandsGreat Barrier ReefThe Reef Ball Foundation

Question 9: [14] They are also rare along the coast around north-eastern South America and ________ due to the freshwater release from the Amazon and Ganges Rivers respectively.
PakistanSri LankaMalaysiaBangladesh

Question 10: The ________ (Indo-Malay-Philippine archipelago) region has the highest number of reef-building coral species in threatened category as well as the highest coral species diversity.
Coral reefSoutheast Asian coral reefsCoral TriangleThe Reef Ball Foundation
















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