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UPSC Prelims 2022 Paper-1 📅 05 Jun, 2022

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

A
(a) Restoration of damaged coral reefs
B
(b) Development of building materials using plant residues
C
(c) Identification of areas for exploration/extraction of shale gas
D
(d) Providing salt licks for wild animals in forests/protected areas
Result Summary
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UPSC Prelims
2022 • 05 Jun, 2022 • Paper-1
"Biorock technology" is talked about in which one of the following situations?
Correct Answer
(a) Restoration of damaged coral reefs
Technological Mechanism: Also known widely as mineral accretion technology, Biorock involves passing a safe, continuous, low-voltage electrical current through ......
Ref/Book : UPSC Prelims 2022
Ref. Subject Environment
Chapter -
Ref. Topic Environment Technologies
Pg. No -
💡 Analysis & Explanation
Technological Mechanism ▼
Also known widely as mineral accretion technology, Biorock involves passing a safe, continuous, low-voltage electrical current through seawater via a submerged conductive steel frame.
Ecological Application ▼
This unique electrochemical process triggers the rapid precipitation of dissolved minerals (primarily calcium carbonate and magnesium hydroxide) onto the frame. This creates a solid limestone-like substrate that provides a highly favorable foundation for coral larvae to attach, grow at accelerated rates, and survive severe environmental stresses like bleaching.
Conclusion ▼
The technology is specifically designed and renowned globally for the restoration and conservation of marine coral reefs.
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