Washington Pesticide Laws and Safety Test, Practice Exam Questions and Answers 2025/2026

Washington Pesticide Laws and Safety Test, Practice Exam Questions and Answers 2025/2026 A key to minimizing the hazard of pesticide use to the applicator is to avoid exposure (T/F) - answer-True The use of temperature or humidity manipulation is a ________ control method for insects - answerPhysical 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 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 EPA and WSDA are the only federal and state agencies that regulate pesticides (T/F) - answer-False Two or more pesticides that cannot mixed together effectively are said to be ______. - answerIncompatible All formations with the same active ingredient carry the same signal word (T/F) - answer-FalseThe skull and crossbones symbol must appear on every pesticide label (T/F) - 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 - 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 - 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 - answer-d. 46 mg/kg Pesticide-contaminated surface water can contaminate groundwater (T/F) - answer-True Pesticide records are useful only to applicators in case they have problems with effectiveness (T/F) - 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) - answer-TrueDealers must keep records for 7 years on the sale of general use agricultural pesticides (T/F) - answerTrue One of the earliest uses of chemicals as pesticides was the burning of sulfur (T/F) - answer-True When the pest reaches the _____, pest management procedures need to be applied to prevent the pest from economically damaging populations. - answer-Economic threshold