ILLINOIS PESTICIDE APPLICATOR
TURFGRASS EXAM SCRIPT 2026
COMPLETE QUESTIONS AND VERIFIED
ANSWERS
◉emulsions. Answer: mixtures in which one liquid is suspended as
tiny drops in another liquid.
◉fumigants. Answer: substances or mixtures of materials that
produce gas, vapor, fumes, or smoke intended to control pests.
◉Drift reduction additives. Answer: thickening agents that increase
the droplet size and reduce spray drift.
◉Stickers. Answer: Used to increase the adherence of the chemical
to the treated surface, thus increasing its persistence, particularly
under adverse weather conditions
◉Surfactants (spreaders or wetting agents). Answer: Surface- action
agents that decrease the surface tension of water, allowing the water
carrier to spread over the surface rather than forming droplets
TURFGRASS EXAM SCRIPT 2026
COMPLETE QUESTIONS AND VERIFIED
ANSWERS
◉emulsions. Answer: mixtures in which one liquid is suspended as
tiny drops in another liquid.
◉fumigants. Answer: substances or mixtures of materials that
produce gas, vapor, fumes, or smoke intended to control pests.
◉Drift reduction additives. Answer: thickening agents that increase
the droplet size and reduce spray drift.
◉Stickers. Answer: Used to increase the adherence of the chemical
to the treated surface, thus increasing its persistence, particularly
under adverse weather conditions
◉Surfactants (spreaders or wetting agents). Answer: Surface- action
agents that decrease the surface tension of water, allowing the water
carrier to spread over the surface rather than forming droplets