The legal classification of a material as a pesticide sometimes depends on
Where the material is applied to control the pest
Its intended use
The type of pest being controlled
The life stage of the pest
To use a material to control a pest, it must
. Be commonly known as a pesticide Be shown to be effective in controlling the pest Bear an approved, registered pesticide label on its packaging A B. C.
D. Be accompanied by proper sales literature
The potency of a pesticide is referred to as
The toxicity of a pesticide is usually increased by increasing the
Frequency of application
Mode of action
An acute effect of a pesticide is one that is observed
Several weeks after exposure
Shortly after exposure
Months or years after exposure
Only if the pesticide is improperly applied
A pesticide’s LD50 is
. One half the largest dose allowed by the pesticide label One half the lowest dose allowed by the pesticide label The dose that kills half of the test animal population A B. C.
D. The exposure time it takes to kill half the test animal population
WHAT ARE PESTICIDES?