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

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 8. microbes in human welfare1 Mark
MCQ
Which organisms are used to increase thesoil fertility ?
  • ✓
    Blue gren algae
  • B
    Bt-cotton
  • C
    Saccharomycic cereviceae
  • D
    All of the above
✓

Answer

Correct option: A.
Blue gren algae
a

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