rotenone a natural insectiside is obtaines from\tazadirachta indica\tderris sp.\tbacillus thuringiensis\tphytophthora palmivora

The correct option is 2.
Rotenone is an odourless, colourless, crystalline ketonic chemical compound used as a broad-spectrum insecticide, piscicide, and pesticide. It occurs naturally in the seeds and stems of several plants, such as the jicama vine plant; and the roots of several members of Fabaceae.