Biological Classification And System Of Classification Question 491

[MP PMT 2002]

Options:

A) Xanthophyceae

B) Causing disease in Xanthium

C) A kind of Virus

D) Causing Citrus canker disease

Show Answer

Answer:

Correct Answer: D

Solution:

Citrus canker is a disease that is caused by the bacterium Xanthomonas axonopodis.

It affects the Citrus species of fruits such as lime, oranges, grapefruit. It results in the lesions on the leaves, stems, fruit and other parts of the citrus plants.

Thus, the correct answer is ‘Citrus canker.’