NEET Biology ยท Easy

Mineral Nutrition: Free-living fixers MCQ

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Free-living fixersEasyQuestion 10785

Question

A free-living aerobic nitrogen fixer is:

  1. A
    Azotobacter
    Correct
  2. B
    Rhizobium only
  3. C
    Nitrosomonas
  4. D
    Pseudomonas denitrificans

Correct answer

Azotobacter

Explanation

Azotobacter is a well-known free-living nitrogen-fixing bacterium.