Q174 / 180 · AIIMS 2018 (26 May) · Zoology

Citrus canker is caused by

  • A
    mycoplasma
  • B
    virus
  • C
    fungus
  • Correct answer
    D
    bacteria.

Solution

Citrus canker is a disease of Citrus sp. caused by the bacterium Xanthomonas. It is basically a leaf spotting and fruit rind blemishing disease. Under highly favourable conditions, it causes defoliation, shoot dieback and fruit drop. It is highly contagious and spreads rapidly from a diseased plant to a healthy one.

Hence, the correct answer is option: 'D'.

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