UPSC Previous Year Question | Prelims GS | 2018

Consider the following statements: 1. Most of the world's coral reefs are in tropical waters. 2. More than one-third of the world's coral reefs are located in the territories of Australia, Indonesia and Philippines. 3. Coral reefs host far more number of animal phyla than those hosted by tropical rainforests. Which of the statements given above is/are correct?

  1. 1 and 2 only
  2. 3 only
  3. 1 and 3 only
  4. 1, 2 and 3

Answer

Correct Answer

1, 2 and 3

Explanation

Most coral reefs lie in tropical waters, more than a third of the world's reefs are in the territories of Australia, Indonesia and the Philippines, and reefs host many more animal phyla than tropical rainforests, so all three statements are correct.

Topics: coral reefs distribution and diversity, ecosystems, environment and ecology, marine ecosystems