GK Question

technology medium mcq

Which technology converts agricultural waste into biochar for carbon sequestration?

  1. Pyrolysis
  2. Gasification
  3. Composting
  4. Anaerobic Digestion

Answer: Pyrolysis

Pyrolysis heats biomass without oxygen to produce biochar (stable carbon), bio-oil, syngas. Biochar applied to soil sequesters carbon for centuries while improving fertility. Critical for negative emissions strategies.

Topic Climate Tech
Exam Relevance UPSC, SSC, Banking