UPSC Previous Year Question | Prelims GS | 2022

"Biorock technology" is talked about in which one of the following situations?

  1. Restoration of damaged coral reefs
  2. Development of building materials using plant residues
  3. Identification of areas for exploration/extraction of shale gas
  4. Providing salt licks for wild animals in forests/protected areas

Answer

Correct Answer

Restoration of damaged coral reefs

Explanation

Biorock (mineral accretion) technology uses low-voltage electrical current on submerged steel structures to deposit calcium carbonate, promoting coral growth and restoration of damaged coral reefs.

Topics: ecology, environment, food chains, predator prey relationships