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JAMB Biology 2003 Question 12

Question 12

Photosynthesis and Plant Nutrition

The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

  1. A.Denitrifying bacteria
  2. B.Saprophytic bacteria
  3. C.Rhizobium
  4. D.Nitrosomonas.
Show the answer and explanation

Answer: C (Rhizobium)

Explanation

Rhizobium lives in the root nodules of legumes and fixes nitrogen from the air for the plant. Adding it to the soil helps a nitrogen-starved legume grow.