Assertion: Cellular defence mechanism in eukaryotes is RNAi. Reason :…

RNAi is the silencing of a specific mRNA. RNAi is a self-defense mechanism of eukaryotic cells, which specially prevent infection evoked by viruses . It can inhibit the expression of crucial viral proteins by targeting viral mRNA for degradation through cellular enzymes . In fact, RNAi does work effectively as an antiviral agent in plants.