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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
A nitrogen fixing bacterium that forms a loose assocation with the roots of crop plants is
  • A
    Azotobacter
  • B
    Bacillus polymyxa
  • C
    Clostridium
  • ✓
    Azospirillum
✓

Answer

Correct option: D.
Azospirillum
d
(d)A bacterium Azospirillum lipoferum forms loose association with roots of maize and some Brazilian grasses which increase the crop yield upto a large extent.

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