Regarding plant viruses, the spread of infection commonly occurs through

A. Respiratory droplets

B. Insect vectors or mechanical injury

✓

C. Airborne fungal spores only

D. Human blood transfusion

📝 Explanation

Most plant viruses enter through wounds or are transmitted by insect vectors such as aphids because intact plant cell walls prevent direct entry.

📖 Additional Information

Respiratory droplets
Insect vectors or mechanical injury
Airborne fungal spores only
Human blood transfusion

Most plant viruses enter through wounds or are transmitted by insect vectors such as aphids because intact plant cell walls prevent direct entry.

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