Question

Which of the following diseases is caused by virus?

• A. Tabacco mosaic
• B. Late blight of potato
• C. Turnip mosaic
• D. Both (a) and (c)

Answer 1

The correct option is D Both (a) and (c)

Tobacco mosaic virus (TMV) is a rod shaped virus, infecting tobacco leaves. It symptoms are mottled appearance that is patches of yellow and green, dwarfing etc. It spreads by mechanical abrasion of the infected tissue with a healthy one.

Turnip mosaic virus (TuMV) is a virus that causes diseases in members of Cruciferae family. It is spread by aphids.

So, the correct answer is 'Both (a) and (c)'