Washington Pesticide Laws and Safety
Practice Test Exam Questions and Answers
with Verified Solutions | Latest Updated 2026
A key to minimizing the hazard True
of pesticide use to the
applicator is to avoid
exposure. (True or False)
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 may be easily absorbed through human
handling an emulsifiable and animal skin
concentrate pesticide?
a. visible plant residues
b. may be easily absorbed
through human and animal
skin
c. easily clogs nozzles and
screens
,EPA and WSDA are the only false
federal and state agencies that
regulate pesticides. (True or
False)
Two or more pesticides which Incompatible
cannot be mixed together
effectively are said to be
____________?
All formulations with the same False
active ingredient carry the
same signal word. (True or
False)
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
regulated 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 46mg/kg
of a highly toxic pesticide?
, Pesticide-contaminated true
surface water contaminate
groundwater
Pesticide records are useful to true
applicators in case they have
problems with effectiveness.
If an applicator had two major true
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 on the sale of general
use agricultural pesticides.
One of the earliest uses of true
chemicals as pesticides was
t6he 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.
Practice Test Exam Questions and Answers
with Verified Solutions | Latest Updated 2026
A key to minimizing the hazard True
of pesticide use to the
applicator is to avoid
exposure. (True or False)
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 may be easily absorbed through human
handling an emulsifiable and animal skin
concentrate pesticide?
a. visible plant residues
b. may be easily absorbed
through human and animal
skin
c. easily clogs nozzles and
screens
,EPA and WSDA are the only false
federal and state agencies that
regulate pesticides. (True or
False)
Two or more pesticides which Incompatible
cannot be mixed together
effectively are said to be
____________?
All formulations with the same False
active ingredient carry the
same signal word. (True or
False)
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
regulated 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 46mg/kg
of a highly toxic pesticide?
, Pesticide-contaminated true
surface water contaminate
groundwater
Pesticide records are useful to true
applicators in case they have
problems with effectiveness.
If an applicator had two major true
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 on the sale of general
use agricultural pesticides.
One of the earliest uses of true
chemicals as pesticides was
t6he 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.