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STD 12 - 8. microbes in human welfare — BIOLOGY STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 8. microbes in human welfare1 Mark
MCQ
The main sources of biofertilisers are
  • A
    Bacteria
  • B
    Cyanobacteria
  • C
    Fungi
  • ✓
    All of these
✓

Answer

Correct option: D.
All of these
d
Nitrogen Fixing Bacteria and Cyanobacteria act as Biofertolizers as they add specific nutrient Nitrogen to the soil.

Fungi act as biofertilizer as they help in absoprtion of water and minerals specially Phosphorous by associating with roots of higher plants and forming Mycorrhiza.

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