Pesticide applicators License Questions and Correct
Answers/ Latest Update / Already Graded
Action threshold
Ans: the pest level at which some type of pest management action must be
taken
Bioaccumulation
Ans: The accumulation of toxic substances, such as pesticides, or other organic
chemicals in an organism
Biomagnification
Ans: The tendency for certain pesticides to progressively become more
concentrated in each type of organism when moving from the bottom to the top
organism within a food chain
Contact pesticide
Ans: Pesticide that is not absorbed systemically by treated plants or animals.
These pesticides must directly touch the pest or a site the pest frequents to be
effective
Economic threshold
Ans: The level where the economic losses caused by pest damage, if the pest
population continued to grow, would be greater than the cost of controlling the
pests
Eradication
Ans: One of the three primary pest control goals that refers to the total
elimination of a pest from a designated area
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Integrated Pest management
Ans: The coordinated use of pest and environmental information and available
pest control methods to prevent unacceptable levels of damage by the most
economical means with the least possible hazard to people, property and the
environment.
Key pest
Ans: A pest that causes major damage on a regular basis
Mode of Action
Ans: How the pesticide works - specific system(s) in the pest that are affected
by the pesticide
Occasional pest
Ans: A pest that causes damage only once in a while because of its life cycle or
environmental influences, or as a result of human activities
Persistance
Ans: length of time a pesticide remains active to control pests
Pesticide
Ans: Any material that is applied to plants, the soil, water, harvested crops,
structures, clothing and furnishings, or animals to kill, attract, repel or regulate or
interrupt the growth and mating of pests or to regulate plant growth
Pesticide resistance
Ans: the ability of an insect, fungus, weed, rodent, or other pest to tolerate a
pesticide that once controlled it
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Prevention
Ans: one of the three primary pest control goals that strives to inhibit the onset
of a pest outbreak
Quarantine
Ans: regulatory method to control the introduction and dissemination of pests
into new areas
Residual pesticide
Ans: pesticide that controls pests for weeks, months or even years
Secondary pest
Ans: a pest that becomes a problem when a key pest is controlled or eliminated
Selectivity
Ans: the degree to which a pesticide will kill a certain type of pest
Suppression
Ans: one of the three primary pest control goals that attempts to reduce pest
populations to a tolerable level or to a point below the economic injury level
Systemic pesticide (translocated)
Ans: pesticides that are absorbed by the pest and then transported within the
treated pest
Active ingredient
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