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Microbes in Human Welfare — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMicrobes in Human Welfare1 Mark
MCQ
Nif genes occur in:
  • A
    Rhizobium
  • B
    Penicillium
  • C
    Aspergillus
  • D
    Streptococcus
✓

Answer

  1. Rhizobium

Explanation:

Nif is a nitrogen fixation gene which occurs in Rhizobium. It fixes  atmospheric nitrogen into a form of nitrogen available to living organisms. The nif genes are found in both free - living nitrogen - fixing bacteria and  symbiotic bacteria associated with various plants.

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