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WAEC Agricultural Science 2008 Question 11

Question 11

Irrigation and Drainage

Which of the following statements is not true about waterlogged soils?

  1. A.Such soils are heavily leached
  2. B.Denitrifying bacteria are more active in such soils than nitrifying bacteria
  3. C.Nitrosomonas yield best in such soils
  4. D.Soil temperature is usually low.
Show the answer and explanation

Answer: C (Nitrosomonas yield best in such soils)

Explanation

Nitrosomonas needs oxygen, which waterlogged soils lack.