Ocean Tides, Waves, and Coral Reefs

1. Which factors among these affect Coral Reef formation?

  1. Sedimentation
  2. Coastal development
  3. Extreme Climatic conditions.
  4. Pollution
  5. Overfishing

Choose your answer from options below:

  1. Only Extreme Climatic conditions and Overfishing affect coral reef formation
  2. Only Coastal development and Pollution affect coral reef formation
  3. Only Sedimentation affects coral reef formation
  4. All factors listed affect coral reef formation.
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Answer: Option D. All factors listed affect coral reef formation.

2. What is the world’s largest coral reef?

  1. The Red Sea Coral Reef
  2. The Great Barrier Reef
  3. Florida Keys
  4. Ningaloo Reef
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Answer: Option B. The Great Barrier Reef

3. Which of the following conditions must be met for the formation of coral reefs?

  1. Shallow water depth should be less than 50m.
  2. The water temperature should be under 20°C.

Choose your answer from the options below:

  1. Both conditions need to be met for Coral Reefs to form
  2. Only water temperature being under 20°C is necessary for Corals reefs to form
  3. Only shallow water depth being less than 50m is necessary for Corals reefs to form
  4. None of these conditions need to be met for Corals reefs to form
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Answer: Option C. Only shallow water depth being less than 50m is necessary for Corals reefs to form

4. Which statement(s) about Coral Reefs are correct?

  1. They’re also known as the tropical rainforest of the sea.
  2. They cover 50% of the ocean surface.
  3. They are colonies of tiny living creatures found in oceans.

Select your answer from the options below:

  1. Only the first and third statements are correct.
  2. All statements are correct
  3. Only the second statement is correct
  4. None of these statements are correct.
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Answer: Option A. Only the first and third statements are correct.

5. Which of the following is often referred to as the “Rainforests of the Ocean”?

  1. Coral Reefs
  2. Seaweed Forests
  3. Mangrove Forests
  4. Kelp Forests
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Answer: Option A. Coral Reefs