IL VSN General Standards
Operator Review Questions –
Study Guide and Exam Practice
Material
Goal of IPM - ANSWER-To avoid adverse effects on humans, wildlife and the
environment
Economic threshold - ANSWER-# of pests per plant or the amount of damage to a
plant at which point control should begin
Insects - ANSWER-3 pairs of jointed legs
Incomplete life cycle - ANSWER-Egg, nymph, adult
Noninfectious disease - ANSWER-Generally the result of unfavorable growing
conditions
Scouting - ANSWER-First step in planning a successful weed control program
, Biennial weed - ANSWER-Germinate in the spring, develops root system, and
rosette
Active ingredient - ANSWER-Part of pesticide that kills
WP+H2O needs? - ANSWER-Agitation
Surfactants - ANSWER-Decreases the surface tension of H2O; allows water carrier
to spread over surface
Can you mix 2 pesticides? - ANSWER-Yes. Make sure they retain properties
Non-compatible? - ANSWER-Becomes gel, curdles, or sludge
Preharvest interval - ANSWER-(IPM) amount of time that a crop can be harvested
after it has been sprayed
What is on every label? - ANSWER-Keep out of reach of children
Who can purchase Restricted Use pesticide? - ANSWER-Applicators (or those with
their permission)
Precautionary Statement - ANSWER-Where you can find listed the min. PPE
Operator Review Questions –
Study Guide and Exam Practice
Material
Goal of IPM - ANSWER-To avoid adverse effects on humans, wildlife and the
environment
Economic threshold - ANSWER-# of pests per plant or the amount of damage to a
plant at which point control should begin
Insects - ANSWER-3 pairs of jointed legs
Incomplete life cycle - ANSWER-Egg, nymph, adult
Noninfectious disease - ANSWER-Generally the result of unfavorable growing
conditions
Scouting - ANSWER-First step in planning a successful weed control program
, Biennial weed - ANSWER-Germinate in the spring, develops root system, and
rosette
Active ingredient - ANSWER-Part of pesticide that kills
WP+H2O needs? - ANSWER-Agitation
Surfactants - ANSWER-Decreases the surface tension of H2O; allows water carrier
to spread over surface
Can you mix 2 pesticides? - ANSWER-Yes. Make sure they retain properties
Non-compatible? - ANSWER-Becomes gel, curdles, or sludge
Preharvest interval - ANSWER-(IPM) amount of time that a crop can be harvested
after it has been sprayed
What is on every label? - ANSWER-Keep out of reach of children
Who can purchase Restricted Use pesticide? - ANSWER-Applicators (or those with
their permission)
Precautionary Statement - ANSWER-Where you can find listed the min. PPE
