Washington Pesticide Laws and Safety
Test Practice Exam Questions With
Correct Answers
A key to minimizing the hazard of pesticide use to the applicator is to
avoid exposure (T/F) - CORRECT ANSWER✔✔-True
The use of temperature or humidity manipulation is a ________ control
method for insects - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-
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 - CORRECT ANSWER✔✔-d. easily
clogs nozzles and screens
EPA and WSDA are the only federal and state agencies that regulate
pesticides (T/F) - CORRECT ANSWER✔✔-False
Two or more pesticides that cannot mixed together effectively are said
to be ______. - CORRECT ANSWER✔✔-Incompatible
All formations with the same active ingredient carry the same signal
word (T/F) - CORRECT ANSWER✔✔-False
The skull and crossbones symbol must appear on every pesticide label
(T/F) - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-a. a low pressure, flat
fan
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 - CORRECT ANSWER✔✔-d. 46 mg/kg
Pesticide-contaminated surface water can contaminate groundwater
(T/F) - CORRECT ANSWER✔✔-True
Pesticide records are useful only to applicators in case they have
problems with effectiveness (T/F) - CORRECT ANSWER✔✔-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) - CORRECT ANSWER✔✔-True
, Dealers must keep records for 7 years on the sale of general use
agricultural pesticides (T/F) - CORRECT ANSWER✔✔-True
One of the earliest uses of chemicals as pesticides was the burning of
sulfur (T/F) - CORRECT ANSWER✔✔-True
When the pest reaches the _____, pest management procedures need
to be applied to prevent the pest from economically damaging
populations. - CORRECT ANSWER✔✔-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 - CORRECT
ANSWER✔✔-c. releasing a parasitic wasp
Which of the following is a cultural control method:
a. fertilization
b. planting time
Test Practice Exam Questions With
Correct Answers
A key to minimizing the hazard of pesticide use to the applicator is to
avoid exposure (T/F) - CORRECT ANSWER✔✔-True
The use of temperature or humidity manipulation is a ________ control
method for insects - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-
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 - CORRECT ANSWER✔✔-d. easily
clogs nozzles and screens
EPA and WSDA are the only federal and state agencies that regulate
pesticides (T/F) - CORRECT ANSWER✔✔-False
Two or more pesticides that cannot mixed together effectively are said
to be ______. - CORRECT ANSWER✔✔-Incompatible
All formations with the same active ingredient carry the same signal
word (T/F) - CORRECT ANSWER✔✔-False
The skull and crossbones symbol must appear on every pesticide label
(T/F) - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-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 - CORRECT ANSWER✔✔-a. a low pressure, flat
fan
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 - CORRECT ANSWER✔✔-d. 46 mg/kg
Pesticide-contaminated surface water can contaminate groundwater
(T/F) - CORRECT ANSWER✔✔-True
Pesticide records are useful only to applicators in case they have
problems with effectiveness (T/F) - CORRECT ANSWER✔✔-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) - CORRECT ANSWER✔✔-True
, Dealers must keep records for 7 years on the sale of general use
agricultural pesticides (T/F) - CORRECT ANSWER✔✔-True
One of the earliest uses of chemicals as pesticides was the burning of
sulfur (T/F) - CORRECT ANSWER✔✔-True
When the pest reaches the _____, pest management procedures need
to be applied to prevent the pest from economically damaging
populations. - CORRECT ANSWER✔✔-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 - CORRECT
ANSWER✔✔-c. releasing a parasitic wasp
Which of the following is a cultural control method:
a. fertilization
b. planting time
