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JAMB Biology 1979 Question 31

Question 31

Nutrient Cycling

Bacteria inhabiting legume root nodules and which add atmospheric nitrogen to the soil are referred to as

  1. A.denitrifying bacteria
  2. B.nitrifying bacteria
  3. C.nitrogen fixing bacteria
  4. D.nitrogen freeing bacteria
  5. E.nitrogen putrefying bacteria
Show the answer and explanation

Answer: C (nitrogen fixing bacteria)

Explanation

Rhizobium in legume nodules turns nitrogen gas into nitrogen compounds: this is nitrogen fixation.