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A plant disease called citrus canker is caused by a _________ .

  • A.Bacteria
  • B.Fungi
  • C.Protozoa
  • D.Virus

Answer: A

Correct answer: Bacteria

Citrus canker is caused by the bacterium Xanthomonas citri. It produces raised corky lesions on leaves, stems and fruit, spreads in wind-driven rain, and is controlled by removing infected trees and by copper sprays rather than by any cure.

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