Nepoviruses are

Answer: Option B

Nepoviruses are Bipartite.
Nepovirus is a genus of viruses in the order Picornavirales, in the family Secoviridae, and the subfamily Comovirinae. Plants serve as natural hosts. There are 40 species in this genus.
The genus Nepovirus includes viruses that are transmitted by nematodes with polyhedral particles. Typical nepoviruses have a broad host range, a single coat protein, and a bipartite single-stranded RNA genome and are transmissible through seed.