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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
Farmers have reported $50\%$  higher yield of rice by using biofertilizer
  • ✓
    Azolla pinnata
  • B
    Legume-Rhizobium symbiosis
  • C
    Cyanobacteria
  • D
    Mycorrhiza
✓

Answer

Correct option: A.
Azolla pinnata
a
It’s obvious.

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