32.Which of the following microbe is used for biocontrol of pest butterfly caterpillars? A. Trichoderma sp. B. Saccharomyces cerevisiae C. Bacillus thuringiensis D. Streptococcus sp.
Option C. Bacillus thuringiensis , a soil-dwelling bacterium, is the most widely applied species of bacteria used for biological control, used against Lepidopteran, Coleopteran and Dipteran.
