ThatQuiz
|
Test Library
|
Take this test now
Coral Reefs
  • 1. What is the name of the largest coral reef system in the world?
A) Great Barrier Reef
B) Red Sea Reef
C) Hawaii Coral Reef
D) Caribbean Coral Reef
  • 2. What is a function of mangrove forests in supporting coral reefs?
A) Act as a nursery for juvenile fish
B) Provide shade for coral reefs
C) Prevent sea level rise
D) Stabilize coral limestone structures
  • 3. Which substance is built up by coral polyps to create the reef structure?
A) Sulfur
B) Calcium carbonate
C) Silica
D) Iron oxide
  • 4. What percentage of Earth's marine species are estimated to live in coral reefs?
A) 50%
B) 10%
C) 25%
D) 75%
  • 5. How do coral reefs benefit humans economically?
A) Enhancing air quality
B) Serving as sources of fresh water
C) Tourism, fisheries, and protection of coastlines
D) Providing medicinal herbs
  • 6. What is the process of mutual benefit between coral and zooxanthellae known as?
A) Predation
B) Symbiosis
C) Commensalism
D) Parasitism
  • 7. What is the main reason behind the recent decline in global coral reef health?
A) Expansion of marine protected areas
B) Improved conservation efforts
C) Climate change
D) Decrease in marine pollution
  • 8. What is the purpose of the zooxanthellae algae living within coral tissues?
A) Clean coral from debris
B) Regulate coral reproduction
C) Provide coral with nutrients through photosynthesis
D) Protect coral against predators
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.