Question

4, by-pooduct of fermentation is a
biopesticide​

Answer 1

by-products of fermentation are ethanol,carbon dioxide and energy

among these ETHANOL is a boipesticide

hope it helps

Answer 2

Answer:

Spinosad is a chemical compound insecticide used in bacterial plants. Spinosad is a novel mode of action, originating from a family of "natural products'that is obtained by "fermentation" of "S. spinosa". Typically, biopesticides are significantly less poisonous than traditional pesticides.