The correct option is B (A)-Solanaceae, (B)-virus
In order to overcome crop losses by infectious diseases caused by pathogens, the Indian Agricultural Research Institute (IARI) has developed many disease resistant crop varieties by conventional plant breeding programmes.
Pusa Sadabahar is a disease resistant variety of chilli. Pusa Sadabahar is resistant to tobacco mosaic virus, chilli mosaic virus and leaf curl virus. These viruses cause huge crop losses. The Chilli plant belongs to the family Solanaceae.