Civil Services Prep

Prelims 2023 · Science and Technology · Question 77

'Wolbachia method' is sometimes talked about with reference to which one of the following?

  1. Controlling the viral diseases spread by mosquitoes
  2. Converting crop residues into packing material
  3. Producing biodegradable plastics
  4. Producing biochar from thermochemical conversion of biomass

Answer

Controlling the viral diseases spread by mosquitoes

  • (a) Controlling the viral diseases spread by mosquitoes — Correct. Wolbachia is a bacterium introduced into Aedes mosquitoes to reduce transmission of viruses like dengue, Zika and chikungunya.
  • (b) Converting crop residues into packing material — Incorrect. This relates to biomass/fiber-based material technology, not the Wolbachia method.
  • (c) Producing biodegradable plastics — Incorrect. Biodegradable plastics are linked to biopolymers such as PHA/PLA, not Wolbachia.
  • (d) Producing biochar from thermochemical conversion of biomass — Incorrect. Biochar is produced through pyrolysis/thermochemical processes, unrelated to Wolbachia.

Answer: (a)

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