The correct option is C Assertion is true but reason is false
Biofortification aims to increase nutrient levels in crops during plant growth rather than through manual means during processing of the crops.
A meristem is a localized group of cells, which are actively dividing and undifferentiated but ultimately giving rise to permanent tissue. Although the plant is infected with a virus, yet the meristem is free of the virus and not resistant to virus. Therefore, meristem can be removed and grown invitro to obtain virus-free plants.