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WAEC Biology 1996 Question 28

Question 28

Nutrient Cycling

Which of the following is responsible for the conversion of nitrites to nitrates in the nitrogen cycle?

  1. A.Denitrifying bacteria
  2. B.Nitrifying bacteria
  3. C.Lightening
  4. D.Fungi
  5. E.Brown algae
Show the answer and explanation

Answer: B (Nitrifying bacteria)

Explanation

Nitrifying bacteria (Nitrobacter) turn nitrites into nitrates.