WAEC Agricultural Science 2000 Question 17

Question 17

Soil Fertility and Plant Nutrition

In the nitrogen cycle, nitrosomonas and nitrobacter are responsible for

  1. A.ammonification
  2. B.nitrification
  3. C.denitrification
  4. D.nitrogen reduction.
Show the answer and explanation

Answer: B (nitrification)

Explanation

They oxidise ammonium to nitrite and nitrite to nitrate.