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Biomolecules question

2022 · Q44
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Biomolecules question

2022 · Q44

NEETBiologyBiomoleculesMCQ+4 / −1

Which of the following pair represents free living nitrogen fixing aerobic bacteria?

  1. A
    Pseudomonas and Thiobacillus
  2. B
    Rhizobium and Frankia
  3. C
    Azotobacter and Beijernickia
  4. D
    Anabaena and Rhodospirillum
View written solutionFree

Correct answer: C

The free living nitrogen fixing aerobic microbes are Azotobacter and Beijernickia

Rhizobium and Frankia are symbiotic nitrogen fixers.

Rhodospirillum is anaerobic nitrogen fixer.

Pseudomonas and Thiobacillus are denitrifying bacteria.

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