Q. Arrange the following coral reef areas from North to South:
  1. Rainbow reef
  2. Great Barrier reef
  3. Hawai’i reef
  4. Gulf of Mannar reef
Choose the correct answer using the codes given below:

Answer: 3, 4, 1, 2
Notes:

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.