PESTICIDE LICENSE EXAM 2026 STUDY GUIDE
144 PRACTICE QUESTIONS COMPLETE
SOLUTIONS
◉ Biomagnification. Answer: Accumulation of pollutants at successive
levels of the food chain
◉ abiotic factors. Answer: natural control measures within the
environment.
EX: climactic factors, air/water pollution, topographic features.
◉ Biological Control. Answer: The use of natural enemies to control
pests.
EX: Predators, Parasites, Pathogens
◉ Cultural Control. Answer: These are Practices that reduce pest
establishment, reproduction, dispersal and survival.
EX: Mowing, irrigation, aeration, fertilization and sanitation.
◉ Genetic control. Answer: Making use of plant varieties that are
naturally resistant to insect feedings.
◉ Mechanical/Physical control. Answer: Kills a pest directly or makes
its environment unsuitable
, EX: Rodent traps, deer fences, mulches, barriers
◉ Regulatory control. Answer: Removal of pests that cant be controlled
at a local level. Utilizes quarantines to prevent entry of pests at airports
or ocean ports and can be used to remove pests with government power.
(i.e. draining standing water that provides breeding sites for mosquitos.)
◉ Mode of action. Answer: How chemicals kill a pest
◉ Site of action. Answer: The specific biological system affected within
the pest
◉ Economic threshold. Answer: The point at which the economic loss
caused by pest damage outweighs the cost of applying a pesticide.
(Treat pests when they pass the economic threshold)
◉ Economic injury level. Answer: the pest population density that
causes losses equal to the cost of control measures
◉ Action threshold. Answer: the predetermined level at which pest
control is needed
◉ Certified applicator. Answer: A person qualified to apply or supervise
the application of restricted-use pesticides.
144 PRACTICE QUESTIONS COMPLETE
SOLUTIONS
◉ Biomagnification. Answer: Accumulation of pollutants at successive
levels of the food chain
◉ abiotic factors. Answer: natural control measures within the
environment.
EX: climactic factors, air/water pollution, topographic features.
◉ Biological Control. Answer: The use of natural enemies to control
pests.
EX: Predators, Parasites, Pathogens
◉ Cultural Control. Answer: These are Practices that reduce pest
establishment, reproduction, dispersal and survival.
EX: Mowing, irrigation, aeration, fertilization and sanitation.
◉ Genetic control. Answer: Making use of plant varieties that are
naturally resistant to insect feedings.
◉ Mechanical/Physical control. Answer: Kills a pest directly or makes
its environment unsuitable
, EX: Rodent traps, deer fences, mulches, barriers
◉ Regulatory control. Answer: Removal of pests that cant be controlled
at a local level. Utilizes quarantines to prevent entry of pests at airports
or ocean ports and can be used to remove pests with government power.
(i.e. draining standing water that provides breeding sites for mosquitos.)
◉ Mode of action. Answer: How chemicals kill a pest
◉ Site of action. Answer: The specific biological system affected within
the pest
◉ Economic threshold. Answer: The point at which the economic loss
caused by pest damage outweighs the cost of applying a pesticide.
(Treat pests when they pass the economic threshold)
◉ Economic injury level. Answer: the pest population density that
causes losses equal to the cost of control measures
◉ Action threshold. Answer: the predetermined level at which pest
control is needed
◉ Certified applicator. Answer: A person qualified to apply or supervise
the application of restricted-use pesticides.
