BIO by M Tahir ( Lecturer Al Azhar ) virus chapter
nmdcat.online July 11, 2026

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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