environment easy MCQ

Which of the following is a benefit of using biofertilizers in agriculture?

  1. Increasing soil salinity
  2. Enhancing nutrient availability through nitrogen fixation or phosphate solubilization
  3. Killing beneficial soil microbes
  4. Causing soil compaction

Answer: Enhancing nutrient availability through nitrogen fixation or phosphate solubilization

Biofertilizers containing beneficial microbes improve soil fertility naturally, reducing dependence on chemical fertilizers and promoting sustainable agriculture.

Topic Agriculture and Environment
Exam Relevance SSC, Railway
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