Thurioside is a proteinaceous toxin which is obtained from

Biological control agents are becoming increasingly important in modern agriculture. Which of the following is considered a third-generation pesticide?

$A$ common biological control agent used in the control of plant diseases is . . . . . . .

The pesticide useful in the control of aphids,caterpillars,plant bugs,and borers is

Which of the following fish is a natural predator of mosquito larvae?

The first natural insecticide discovered by the Chinese was: