Exploring Coral Reefs
  • 1. What is the largest coral reef system in the world?
A) Belize Barrier Reef
B) Red Sea Coral Reef
C) Coral Triangle
D) Great Barrier Reef
  • 2. Why are coral reefs important to the ocean ecosystem?
A) Provide habitat and food for many marine species
B) Reduce pollution in the water
C) Increase acidity levels in the ocean
D) Regulate the temperature of the ocean
  • 3. What is the process of coral spawning?
A) Extermination of coral for construction
B) Trimming coral branches
C) Harvesting coral for jewelry
D) Release of eggs and sperm into the water for reproduction
  • 4. What is the hard outer skeleton of coral made of?
A) Iron
B) Calcium carbonate
C) Plastic
D) Silica
  • 5. What is the process of a coral reef forming on a volcanic island called?
A) Subduction
B) Succession
C) Erosion
D) Deposition
  • 6. What is the significance of the 'coral triangle'?
A) A triangle-shaped coral reef
B) Coral reefs shaped like triangles
C) Region with the highest diversity of coral species
D) Protected area for coral reef research
  • 7. Which color of light penetrates the deepest into the ocean, allowing coral to photosynthesize?
A) Green
B) Blue
C) Red
D) Yellow
  • 8. How do coral reefs obtain most of their energy?
A) By hunting small fish
B) Through photosynthesis by zooxanthellae algae
C) Absorbing minerals from the water
D) Generating energy from the sun
Created with That Quiz — the math test generation site with resources for other subject areas.