2017 · Q5
Most viruses that infect plants possess
General KnowledgeBiology
- Asingle-stranded DNA
- Bsingle-stranded RNA
- Cdouble-stranded DNA and RNA
- Ddouble-stranded RNA only
Explanation
The great majority of plant viruses — e.g., tobacco mosaic virus — carry single-stranded RNA genomes. Double-stranded DNA plant viruses (such as cauliflower mosaic virus) form a small minority. Hence B.