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WAEC Agricultural Science 2013 Question 13

Question 13

Soil Fertility and Plant Nutrition

Which of the following species of bacteria lives symbiotically in root nodules of legumes?

  1. A.Azotobacter.
  2. B.Clostridium.
  3. C.Nitrobacter.
  4. D.Rhizobium.
Show the answer and explanation

Answer: D (Rhizobium.)

Explanation

Rhizobium lives in legume root nodules and fixes nitrogen.