1|Page
WASHINGTON PESTICIDE LAWS AND SAFETY TEST,
PRACTICE EXAM 2025| BRAND NEW ACTUAL EXAM
WITH 100% VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR
GRADES.
A key to minimizing the hazard of pesticide use to the applicator is to avoid
exposure (T/F) - (answers)True
The use of temperature or humidity manipulation is a ________ control method
for insects - (answers)Physical
Drift problems can be reduced by:
a. using lower pressure, smaller nozzle orifices
b. applying in very calm, stable air conditions
c. spraying upwind of a sensitive area
d. placing bloom as close to target as possible - (answers)d. placing a boom as
close to the target as possible
Which is not a concern handling a emulsifiable concentrate pesticide:
a. high phytotoxicity
b. may be easily absorbed through human and animal skin
c. flammability
d. easily clogs nozzles and screens - (answers)d. easily clogs nozzles and screens
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EPA and WSDA are the only federal and state agencies that regulate pesticides
(T/F) - (answers)False
Two or more pesticides that cannot mixed together effectively are said to be
______. - (answers)Incompatible
All formations with the same active ingredient carry the same signal word (T/F) -
(answers)False
The skull and crossbones symbol must appear on every pesticide label (T/F) -
(answers)False
The best way to dispose of a registered pesticide is to:
a. pour it into the sewer system
b. dump it in a vacant area
c. use it as direct on the label
d. ship it to the EPA - (answers)c. use it as direct on the label
To minimize the drift when applying a herbicide, the best type of nozzle to use is:
a. a low pressure, flat fan
b. off center
c. a high pressure cone
d. makes no difference - (answers)a. a low pressure, flat fan
,3|Page
Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - (answers)d. 46 mg/kg
Pesticide-contaminated surface water can contaminate groundwater (T/F) -
(answers)True
Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - (answers)False
If an applicator had two major label violations and was cited by the WSDA, they
could face a maximum fine of $15,000 and lose their liscence (T/F) -
(answers)True
Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - (answers)True
One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
(answers)True
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When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. -
(answers)Economic threshold
Which of the following is not considered a mechanical control method:
a. fencing a crop to prevent deer entry
b. netting blueberry bushes to keep birds away
c. releasing a parasitic wasp
d. washing of aphids with a stream of water
e. removing a rhododendron with a root disease - (answers)c. releasing a parasitic
wasp
Which of the following is a cultural control method:
a. fertilization
b. planting time
c. pruning
d. crop rotation
e. all of the above - (answers)e. all of the above
The first step in a pest management program is to identify the pest (T/F) -
(answers)True
WASHINGTON PESTICIDE LAWS AND SAFETY TEST,
PRACTICE EXAM 2025| BRAND NEW ACTUAL EXAM
WITH 100% VERIFIED QUESTIONS AND CORRECT
SOLUTIONS| GUARANTEED VALUE PACK| ACE YOUR
GRADES.
A key to minimizing the hazard of pesticide use to the applicator is to avoid
exposure (T/F) - (answers)True
The use of temperature or humidity manipulation is a ________ control method
for insects - (answers)Physical
Drift problems can be reduced by:
a. using lower pressure, smaller nozzle orifices
b. applying in very calm, stable air conditions
c. spraying upwind of a sensitive area
d. placing bloom as close to target as possible - (answers)d. placing a boom as
close to the target as possible
Which is not a concern handling a emulsifiable concentrate pesticide:
a. high phytotoxicity
b. may be easily absorbed through human and animal skin
c. flammability
d. easily clogs nozzles and screens - (answers)d. easily clogs nozzles and screens
,2|Page
EPA and WSDA are the only federal and state agencies that regulate pesticides
(T/F) - (answers)False
Two or more pesticides that cannot mixed together effectively are said to be
______. - (answers)Incompatible
All formations with the same active ingredient carry the same signal word (T/F) -
(answers)False
The skull and crossbones symbol must appear on every pesticide label (T/F) -
(answers)False
The best way to dispose of a registered pesticide is to:
a. pour it into the sewer system
b. dump it in a vacant area
c. use it as direct on the label
d. ship it to the EPA - (answers)c. use it as direct on the label
To minimize the drift when applying a herbicide, the best type of nozzle to use is:
a. a low pressure, flat fan
b. off center
c. a high pressure cone
d. makes no difference - (answers)a. a low pressure, flat fan
,3|Page
Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - (answers)d. 46 mg/kg
Pesticide-contaminated surface water can contaminate groundwater (T/F) -
(answers)True
Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - (answers)False
If an applicator had two major label violations and was cited by the WSDA, they
could face a maximum fine of $15,000 and lose their liscence (T/F) -
(answers)True
Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - (answers)True
One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
(answers)True
, 4|Page
When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. -
(answers)Economic threshold
Which of the following is not considered a mechanical control method:
a. fencing a crop to prevent deer entry
b. netting blueberry bushes to keep birds away
c. releasing a parasitic wasp
d. washing of aphids with a stream of water
e. removing a rhododendron with a root disease - (answers)c. releasing a parasitic
wasp
Which of the following is a cultural control method:
a. fertilization
b. planting time
c. pruning
d. crop rotation
e. all of the above - (answers)e. all of the above
The first step in a pest management program is to identify the pest (T/F) -
(answers)True
