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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
MCQ
The common biofertilizers used in organic farming are:
  • A
    Margosa
  • B
    Pyrethrum
  • C
    Green manure.
  • D
    Nitrogen fixing bacteria and cyanobacteria.
✓

Answer

  1. Nitrogen fixing bacteria and cyanobacteria.

Explanation:

Biofertlizers are non toxic and natural fertilizers.

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