NTA Abhyas NEET2020BotanyBiological ClassificationPractice

Potato spindle tuber disease is caused by:

Options

AA nematode
BA virus
CA bacterium
DA viroid

Correct answer

D. A viroid

Step-by-step solution

Potato spindle tuber diseases is caused by viroid which are also smallest pathogens. These are small ss RNA which are not surrounded by any protein coat. They causes diseases only in plants.

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