'Wolbachia method' is sometimes talked about with reference to which one of the following?
Show answer
Answer: A. The Wolbachia method releases mosquitoes carrying Wolbachia bacteria. These bacteria block viruses like dengue, Zika and chikungunya from growing inside the mosquito, so disease spread falls.
Watch for: The method uses bacteria, so students link it to other microbe-based processes like biodegradation.
Why the other options are wrong
- B. Wrong because it has nothing to do with crop residue.
- C. Wrong because it is not a plastic-making process.
- D. Wrong because it is not related to biochar.
Source to check: World Mosquito Program website (worldmosquitoprogram.org); ICMR-Vector Control Research Centre, Puducherry
Answer from the official UPSC key. Written and fact-checked by AI against the official key. Spotted a mistake? Report it.