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WAEC Agricultural Science 2024 Question 17

Question 17

Soil Fertility and Plant Nutrition

The diagram below illustrates the root system of a crop.
A bacterium that could be found in the part labelled I is

Diagram for this question
  1. A.Nitrosomonas.
  2. B.Nitrobacter.
  3. C.Azotobacter.
  4. D.Rhizobium.
Show the answer and explanation

Answer: D (Rhizobium.)

Explanation

I is a root nodule, home of Rhizobium.