The shape of cauliflower mosaic virus is -

Correct option is A

· Correct answer: (a) Spheroidal
· The cauliflower mosaic virus is a spheroidal virus, characterized by its spherical shape. It infects various crops, especially brassicas like cauliflower.
Other options:
· (b) Rod: Rod-shaped viruses are common, but not for cauliflower mosaic virus.
· (c) Geminate: Geminate viruses have a unique double structure, not characteristic of cauliflower mosaic virus.
· (d) Filamentous: Filamentous viruses are long and thread-like, not the shape of cauliflower mosaic virus.