Question

$\begin{array}{cccc}& \text{Disease}& & \text{Plant}\\ \text{A.}& \text{Rust of wheat}& 1.& \text{Okra}\\ \text{B.}& \text{Yellow vein mosaic}& 2.& \text{Lemon}\\ \text{C.}& \text{Citrus canker}& 3.& \text{Barley}\end{array}$

• A.
  A- 2, B- 3, C- 1
• B.
  A- 3, B- 1, C- 2
• C.
  A- 2, B- 1, C- 3
• D.
  A- 1, B- 2, C- 3

Answer 1

The correct option is B

A- 3, B- 1, C- 2

• Rust of wheat is a fungal disease caused by Puccinia rust fungus. It infects plants such as wheat, barley, rye.
• Yellow vein mosaic is a viral disease. It infects plant such as okra.
• Citrus canker is a bacterial disease caused by Xanthomonas axonopodis and infects citrus plants such as lemon, orange and grapefruit.