Washington Pesticide Laws and Safety Exam
Questions and Answers with Verified
Solutions | Latest Updated 2026
T/F: A key to minimizing the True
hazard of pesticide use to the
applicator is to avoid
exposure.
The use of temperature or Physical
humidity manipulation is a
__________ control method for
insects.
Drift problems can be Placing a boom as close to the target as
reduced by: possible.
Which is a concern when It may be easily absorbed through human
handling an emulsifiable and animal skin.
concentrate pesticide?
T/F: EPA and WSDA are the False
only federal and state
agencies that regulate
pesticides.
,Two or more pesticides which Incompatible
cannot be mixed together
effectively are said to be
______________.
T/F: All formulations with the False
same active ingredient carry
the same signal word.
T/F: The skull and crossbones False
symbol must appear on every
pesticide label.
The best way to dispose of a Use it as directed on the label.
registered pesticide is to:
To minimize drift when A low pressure, flat fan.
applying an herbicide, the
best type of nozzle to use is:
Which LD50 is representative 46 mg/kg ( rather than 640mg/kg or
of a highly toxic pesticide? 5,800mg/kg)
T/F: Pesticide-contaminated True
surface water can contaminate
groundwater.
T/F: Pesticide records are True
useful to applicators in case
they have problems with
effectiveness.
, T/F: If an applicator had two True
major label violations and was
cited by WSDA, they could
face a maximum fine of
$15,000 and lose their license.
Dealers must keep records for True
7 years in the sale of general
use agricultural pesticides.
T/F: One of the earliest uses of True
chemicals as pesticides was
the burning of sulfur.
When the pest reaches the Economic threshold
_________, pest management
procedures need to be
applied to prevent the pest
from reaching the
economically damaging
populations.
Which of the following is not Releasing a parasitic wasp to control
considered a mechanical carrot rust fly (as opposed to fencing and
control method? netting)
Which of the following is a Planting time
cultural control method?
T/F: The first step in a pest True
management program should
be to identify the pest.
Questions and Answers with Verified
Solutions | Latest Updated 2026
T/F: A key to minimizing the True
hazard of pesticide use to the
applicator is to avoid
exposure.
The use of temperature or Physical
humidity manipulation is a
__________ control method for
insects.
Drift problems can be Placing a boom as close to the target as
reduced by: possible.
Which is a concern when It may be easily absorbed through human
handling an emulsifiable and animal skin.
concentrate pesticide?
T/F: EPA and WSDA are the False
only federal and state
agencies that regulate
pesticides.
,Two or more pesticides which Incompatible
cannot be mixed together
effectively are said to be
______________.
T/F: All formulations with the False
same active ingredient carry
the same signal word.
T/F: The skull and crossbones False
symbol must appear on every
pesticide label.
The best way to dispose of a Use it as directed on the label.
registered pesticide is to:
To minimize drift when A low pressure, flat fan.
applying an herbicide, the
best type of nozzle to use is:
Which LD50 is representative 46 mg/kg ( rather than 640mg/kg or
of a highly toxic pesticide? 5,800mg/kg)
T/F: Pesticide-contaminated True
surface water can contaminate
groundwater.
T/F: Pesticide records are True
useful to applicators in case
they have problems with
effectiveness.
, T/F: If an applicator had two True
major label violations and was
cited by WSDA, they could
face a maximum fine of
$15,000 and lose their license.
Dealers must keep records for True
7 years in the sale of general
use agricultural pesticides.
T/F: One of the earliest uses of True
chemicals as pesticides was
the burning of sulfur.
When the pest reaches the Economic threshold
_________, pest management
procedures need to be
applied to prevent the pest
from reaching the
economically damaging
populations.
Which of the following is not Releasing a parasitic wasp to control
considered a mechanical carrot rust fly (as opposed to fencing and
control method? netting)
Which of the following is a Planting time
cultural control method?
T/F: The first step in a pest True
management program should
be to identify the pest.
