1. Are there any disadvantages of using biopesticides?

Introduction:

Chemicals that are harmful are employed as pesticides to kill pests. 
A pesticide is, in general, a chemical or biological compound that prevents, disables, or eliminates pests.

Biopesticides are typically created from living things, derived from living things, or found in nature. Compared to conventional chemicals, they typically carry lower dangers. They tend to break down more quickly and can be effective in very little doses, which results in less pollution. 

Some biopesticides have a specific focus and frequently only affect a few species when they are active. To efficiently employ biopesticides, consumers need to have more understanding, though.