Which one of the following is a chemical produced by plants against grazers and browsers?
I have been asked this question in semester exam.
My question comes from Population Interactions-4 in division Organisms and Populations of Biology – Class 12
Correct option is (b) Opium
Easiest explanation: Opium is the chemical produced by plants against grazers and browsers. These are secondary metabolites. Along with this plants also produce alkaloids, benzoxazinoids, cyanogenic glycosides, glucosinolates, terpenoids, and phenolics for chemical defense.