GK QUESTION#3656
Which of the following pairs of plant diseases – microorganisms is correct?
I. Citrus canker – Virus
II. Rust of wheat – Fungi
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Answer
A. Only II
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Explanation
Only II is correct. Wheat rusts are caused by fungi, including Puccinia species. Citrus canker is bacterial, caused by Xanthomonas, so the virus pairing is incorrect.