Official Answer Key & Detailed Solution
Ready to check the official UPSC Answer Key?
Click any option above to test yourself under exam conditions, or reveal the explanation directly.
Correct Answer: Option (A) — Restoration of damaged coral reefs
Concept & Option Breakdown
Standard Reference VerifiedBiorock technology (also known as Mineral Accretion Technology) applies low-voltage direct electrical currents through submerged conductive steel frames to precipitate calcium carbonate and magnesium hydroxide from seawater, creating limestone coatings that accelerate the growth and resilience of coral reefs.
Practice Full-Length & Sectional Prelims Mocks on this Interface
50 simulated tests in the APT Prelims Test Series (₹1,493) or 1-on-1 Mentorship with Avinash Sir.