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Microbes in Human Welfare question

2010 · Q89
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Microbes in Human Welfare question

2010 · Q89

NEETBiologyMicrobes in Human WelfareMCQ+4 / −1
The common nitrogen-fixer in paddy fields is –
  1. A
    Azospirillum
  2. B
    Frankia
  3. C
    Rhizobium
  4. D
    Oscillatoria
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