PA PESTICIDE APPLICATOR EXAM CORE INFO
ACTUAL 2026 QUESTIONS AND 100% CORRECT
ANSWERS
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Terms in this set (64)
Bioaccumulation The accumulation of a substance, such as a toxic
chemical, in various tissues of a living organism.
Biomagnification Accumulation of pollutants at successive levels of
the food chain
abiotic factors natural control measures within the environment.
EX: climactic factors, air/water pollution,
topographic features.
Biological Control The use of natural enemies to control pests.
EX: Predators, Parasites, Pathogens
Cultural Control These are Practices that reduce pest
establishment, reproduction, dispersal and
survival.
EX: Mowing, irrigation, aeration, fertilization and
sanitation.
, Genetic control Making use of plant varieties that are naturally
resistant to insect feedings.
Mechanical/Physical control Kills a pest directly or makes its environment
unsuitable
EX: Rodent traps, deer fences, mulches, barriers
Regulatory control 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 How chemicals kill a pest
Site of action The specific biological system affected within the
pest
Economic threshold 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 the pest population density that causes losses
equal to the cost of control measures
Action threshold the predetermined level at which pest control is
needed
Certified applicator A person qualified to apply or supervise the
application of restricted-use pesticides.
ACTUAL 2026 QUESTIONS AND 100% CORRECT
ANSWERS
Save
Terms in this set (64)
Bioaccumulation The accumulation of a substance, such as a toxic
chemical, in various tissues of a living organism.
Biomagnification Accumulation of pollutants at successive levels of
the food chain
abiotic factors natural control measures within the environment.
EX: climactic factors, air/water pollution,
topographic features.
Biological Control The use of natural enemies to control pests.
EX: Predators, Parasites, Pathogens
Cultural Control These are Practices that reduce pest
establishment, reproduction, dispersal and
survival.
EX: Mowing, irrigation, aeration, fertilization and
sanitation.
, Genetic control Making use of plant varieties that are naturally
resistant to insect feedings.
Mechanical/Physical control Kills a pest directly or makes its environment
unsuitable
EX: Rodent traps, deer fences, mulches, barriers
Regulatory control 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 How chemicals kill a pest
Site of action The specific biological system affected within the
pest
Economic threshold 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 the pest population density that causes losses
equal to the cost of control measures
Action threshold the predetermined level at which pest control is
needed
Certified applicator A person qualified to apply or supervise the
application of restricted-use pesticides.
