Washington Pesticide Laws and Safety Test, Practice Exam Questions and Answers Already Passed
A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) ✔✔True
The use of temperature or humidity manipulation is a ________ control method for insects ✔✔Physical
Drift problems can be reduced by:
- using lower pressure, smaller nozzle orifices
- applying in very calm, stable air conditions
- spraying upwind of a sensitive area
- placing bloom as close to target as possible ✔✔d. placing a boom as close to the target as
possible
Which is not a concern handling a emulsifiable concentrate pesticide:
- high phytotoxicity
- may be easily absorbed through human and animal skin 1 / 4
- flammability
- easily clogs nozzles and screens ✔✔d. easily clogs nozzles and screens
EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F) ✔✔False
Two or more pesticides that cannot mixed together effectively are said to be ______.✔✔Incompatible
All formations with the same active ingredient carry the same signal word (T/F) ✔✔False
The skull and crossbones symbol must appear on every pesticide label (T/F) ✔✔False
The best way to dispose of a registered pesticide is to:
- pour it into the sewer system
- dump it in a vacant area
- use it as direct on the label
- ship it to the EPA ✔✔c. use it as direct on the label
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To minimize the drift when applying a herbicide, the best type of nozzle to use is:
- a low pressure, flat fan
- off center
- a high pressure cone
- makes no difference ✔✔a. a low pressure, flat fan
Which LD50 is a representative of a highly toxic pesticide:
- 640 mg/kg
- 5,800 mg/kg
- 12,840 mg/kg
- 46 mg/kg ✔✔d. 46 mg/kg
Pesticide-contaminated surface water can contaminate groundwater (T/F) ✔✔True
Pesticide records are useful only to applicators in case they have problems with effectiveness (T/F) ✔✔False
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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) ✔✔True
Dealers must keep records for 7 years on the sale of general use agricultural pesticides (T/F) ✔✔True
One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) ✔✔True
When the pest reaches the _____, pest management procedures need to be applied to prevent the pest from economically damaging populations. ✔✔Economic threshold
Which of the following is not considered a mechanical control method:
- fencing a crop to prevent deer entry
- netting blueberry bushes to keep birds away
- releasing a parasitic wasp
- washing of aphids with a stream of water
- removing a rhododendron with a root disease ✔✔c. releasing a parasitic wasp
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