Page 1 of 113
WASHINGTON PESTICIDE LAWS AND
SAFETY EXAM COMPLETE 300 QUESTIONS
AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: 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 - ANSWER-c. use it as direct on the label
QUESTION: 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 - ANSWER-a. a low pressure, flat fan
QUESTION: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
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b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - ANSWER-d. 46 mg/kg
QUESTION: Pesticide-contaminated surface water can contaminate groundwater (T/F) -
ANSWER-True
QUESTION: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - ANSWER-False
QUESTION: 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) - ANSWER-True
QUESTION: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - ANSWER-True
QUESTION: One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
ANSWER-True
QUESTION: When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. - ANSWER-Economic
threshold
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QUESTION: 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 - ANSWER-c. releasing a parasitic wasp
QUESTION: Which of the following is a cultural control method:
a. fertilization
b. planting time
c. pruning
d. crop rotation
e. all of the above - ANSWER-e. all of the above
A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) -
ANSWER-True
QUESTION: The use of temperature or humidity manipulation is a ________ control method for
insects - ANSWER-Physical
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QUESTION: 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 - ANSWER-d. placing a boom as close to the
target as possible
QUESTION: 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 - ANSWER-d. easily clogs nozzles and screens
QUESTION: EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F)
- ANSWER-False
QUESTION: Two or more pesticides that cannot mixed together effectively are said to be
______. - ANSWER-Incompatible
QUESTION: All formations with the same active ingredient carry the same signal word (T/F) -
ANSWER-False
WASHINGTON PESTICIDE LAWS AND
SAFETY EXAM COMPLETE 300 QUESTIONS
AND VERIFIED SOLUTIONS LATEST
UPDATE THIS YEAR
QUESTION: 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 - ANSWER-c. use it as direct on the label
QUESTION: 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 - ANSWER-a. a low pressure, flat fan
QUESTION: Which LD50 is a representative of a highly toxic pesticide:
a. 640 mg/kg
, Page 2 of 113
b. 5,800 mg/kg
c. 12,840 mg/kg
d. 46 mg/kg - ANSWER-d. 46 mg/kg
QUESTION: Pesticide-contaminated surface water can contaminate groundwater (T/F) -
ANSWER-True
QUESTION: Pesticide records are useful only to applicators in case they have problems with
effectiveness (T/F) - ANSWER-False
QUESTION: 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) - ANSWER-True
QUESTION: Dealers must keep records for 7 years on the sale of general use agricultural
pesticides (T/F) - ANSWER-True
QUESTION: One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) -
ANSWER-True
QUESTION: When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. - ANSWER-Economic
threshold
, Page 3 of 113
QUESTION: 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 - ANSWER-c. releasing a parasitic wasp
QUESTION: Which of the following is a cultural control method:
a. fertilization
b. planting time
c. pruning
d. crop rotation
e. all of the above - ANSWER-e. all of the above
A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) -
ANSWER-True
QUESTION: The use of temperature or humidity manipulation is a ________ control method for
insects - ANSWER-Physical
, Page 4 of 113
QUESTION: 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 - ANSWER-d. placing a boom as close to the
target as possible
QUESTION: 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 - ANSWER-d. easily clogs nozzles and screens
QUESTION: EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F)
- ANSWER-False
QUESTION: Two or more pesticides that cannot mixed together effectively are said to be
______. - ANSWER-Incompatible
QUESTION: All formations with the same active ingredient carry the same signal word (T/F) -
ANSWER-False
