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Geography Optional 300+ Score Pack · Model answer

Why are coral reefs in India most important with respect to its dynamic ecosystem? Explore.

  • UPSC 2025
  • Resources

India's reefs occur in four regions of different structural type: fringing reefs in the Gulf of Kachchh, the world's northernmost reef at about 23 degrees N; fringing reefs across the twenty-one islands of the Gulf of Mannar; India's only atolls in Lakshadweep; and a barrier stretch of about 320 km off the Nicobars, India's only…

You are reading the opening of the model answer. The full answer is part of the Geography Optional 300+ Score Pack.

What the full answer covers

  • The reefs and their forms
  • Why the reef is a dynamic system, not a structure
  • 1. It is built by a metabolic partnership, not by deposition
  • 2. It resolves Darwin's paradox
  • 3. It is a disproportionate biodiversity host
  • 4. It performs measurable physical work
  • …and 2 more sections, with a conclusion

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