ILLINOIS GENERAL STANDARDS PESTICIDE EXAM | QUESTIONS WITH 100% CORRECT ANSWERS | VERIFIED | UPDATED 2026
Pest ✔️any insect, mite, rodent, weed, disease etc that is injurious to the health of humans, animals, plants, or the environment
Goal of IPM ✔️keep pests below economic and aesthetic injury level, avoid adverse effects on humans, wildlife, environment
economic injury level ✔️breakeven point at which cost of pest control equals revenue loss caused by pest
economic threshold level ✔️number of pests per plant or amount of damage to plant at which control measures should begin
aesthetic injury level ✔️number of pests that might cause enough damage to the appearance of a plant to warrant cost of control - might vary
key to successful IPM ✔️monitoring pest pop and plant conditions
cultural control ✔️improve crop health
mechanical control ✔️physical pest elimination
biological control ✔️living organisms reduce pests
chemical control ✔️chemical agents reduce pests
preventative control ✔️prevent entry and spread
pesticide failure ✔️wrong type, wrong pest stage, wrong area, pest resistance
insects ✔️exoskeleton, 3 pairs jointed legs, 3 body region
insect body regions ✔️head, thorax, abdomen
incomplete development ✔️3 life stages - eggs, nymph, adult
complete development ✔️4 life stages - egg, larvae, pupae, adult
mites ✔️spider-like, 4 pairs of legs
spiders ✔️4 pairs of legs, 2 body regions
crustaceans ✔️7 pairs of legs ex) pillbugs
birds ✔️all protected except non-native ex) starlings, house sparrows
mammals ✔️protected except rats, mice, ground squirrels
noninfectious disease ✔️cannot be transferred pest to pest or plant to plant, often result of unfavorable conditions
infectious disease ✔️multiply within host, transferable
chlorosis ✔️yellowing of leaves
Mosiac ✔️green and yellow patching
gall ✔️abnormal swelling
infectious disease development elements ✔️susceptible host, plant pathogen, environment, time
weeds ✔️any plant growing where is is unwanted
noxious ✔️declared by law, must be controlled
ragweed, marijuana, thistle, john songrass ✔️noxious weeds
exotic ✔️unlawful to sell, buy, plant
Pest ✔️any insect, mite, rodent, weed, disease etc that is injurious to the health of humans, animals, plants, or the environment
Goal of IPM ✔️keep pests below economic and aesthetic injury level, avoid adverse effects on humans, wildlife, environment
economic injury level ✔️breakeven point at which cost of pest control equals revenue loss caused by pest
economic threshold level ✔️number of pests per plant or amount of damage to plant at which control measures should begin
aesthetic injury level ✔️number of pests that might cause enough damage to the appearance of a plant to warrant cost of control - might vary
key to successful IPM ✔️monitoring pest pop and plant conditions
cultural control ✔️improve crop health
mechanical control ✔️physical pest elimination
biological control ✔️living organisms reduce pests
chemical control ✔️chemical agents reduce pests
preventative control ✔️prevent entry and spread
pesticide failure ✔️wrong type, wrong pest stage, wrong area, pest resistance
insects ✔️exoskeleton, 3 pairs jointed legs, 3 body region
insect body regions ✔️head, thorax, abdomen
incomplete development ✔️3 life stages - eggs, nymph, adult
complete development ✔️4 life stages - egg, larvae, pupae, adult
mites ✔️spider-like, 4 pairs of legs
spiders ✔️4 pairs of legs, 2 body regions
crustaceans ✔️7 pairs of legs ex) pillbugs
birds ✔️all protected except non-native ex) starlings, house sparrows
mammals ✔️protected except rats, mice, ground squirrels
noninfectious disease ✔️cannot be transferred pest to pest or plant to plant, often result of unfavorable conditions
infectious disease ✔️multiply within host, transferable
chlorosis ✔️yellowing of leaves
Mosiac ✔️green and yellow patching
gall ✔️abnormal swelling
infectious disease development elements ✔️susceptible host, plant pathogen, environment, time
weeds ✔️any plant growing where is is unwanted
noxious ✔️declared by law, must be controlled
ragweed, marijuana, thistle, john songrass ✔️noxious weeds
exotic ✔️unlawful to sell, buy, plant
