📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    Question

    Potato spindle tuber disease is transmitted by:

    A Mechanical contact Correct Answer Incorrect Answer
    B Aphids Correct Answer Incorrect Answer
    C Nematodes Correct Answer Incorrect Answer
    D Whiteflies Correct Answer Incorrect Answer
    E Soil fungi Correct Answer Incorrect Answer

    Solution

    Potato spindle tuber viroid (PSTVd) spreads through contaminated tools or handling. Unlike viruses transmitted by vectors (options b-d), viroids lack capsids and rely on physical transfer.

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert

    Get My Free Call