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Biological Classification question

2004 · Q23
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Biological Classification question

2004 · Q23

NEETBiologyBiological ClassificationMCQ+4 / −1
A free living nitrogen-fixing cyanobacterium which can also symbiotic association with the water ferm Azolla is
  1. A
    Tolypothrix
  2. B
    Chlorella
  3. C
    Nostoc
  4. D
    Anabaena.
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