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GCE Agricultural Science 1989 Question 12

Question 12

Soil Properties

The functions of soil micro-organisms include the following except

  1. A.decomposition of dead plant and animal remains
  2. B.recycling of nutrient
  3. C.causing plant or animal diseases
  4. D.living as parasites on crop plants
  5. E.filtration of soil water for plant use.
Show the answer and explanation

Answer: E (filtration of soil water for plant use.)

Explanation

Micro-organisms decompose matter, recycle nutrients and some cause disease, but they do not filter soil water.