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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Nitrogen fixation in root nodules of Alnus is brought about by:
  • A
    Frankia.
  • B
    Azospirillum.
  • C
    Nostoc.
  • D
    Rhizobium.
✓

Answer

  1. Frankia.

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