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WAEC Agricultural Science 1999 Question 31

Question 31

Crop Diseases

Root-knot disease in tomatoes is caused by

  1. A.virus
  2. B.nematode
  3. C.bacterium
  4. D.fungus.
Show the answer and explanation

Answer: B (nematode)

Explanation

Root-knot nematodes cause galls on roots.