Washington Pesticide Laws and Safety Test, Practice Actual Exam
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How much active ingredient is there in a 20-pound bag of Atrazine
90DF?
A. 4 pounds.
B. 9 pounds.
C. 18 pounds.
D. 20 pounds. -ANSWER-C
What type of pesticide formulation consists of a liquid dispersed as
droplets in another liquid and may require agitiation?
A. Microencapsulated.
B. Solution.
C. Suspension.
D. Emulsion. -ANSWER-C
Which liquid pesticide formulation contains solid particles that do not
dissolve in either water or oil and may contribute to abrasive wear of
nozzles and pumps?
A. Ultra-low volume (ULV).
B. Invert emulsions.
,C. Aerosols (A).
D. Flowables (F)/ Liquids (L). -ANSWER-D
Which dry/solid formulation requires constant agitation and may be
abrasive to pumps and nozzles and cause them to wear out quickly?
A. Dusts (D)
B. Granules (G)
C. Wettable powders (WP)
D. Soluble powders (SP) -ANSWER-C
Which type of dry/solid pesticide formulation is always dry and can
easily drift to non-target sites?
A. Dusts.
B. Granules.
C. Pellets.
D. Baits. -ANSWER-A
What type of formulation covers either a liquid or dry pesticide particle
with platic?
A. Pellets.
B. Microencapsulates.
C. Water-soluble packets.
D. Water-dispersible granules. -ANSWER-B
,Which statement is true about adjuvants?
A. They posses pesticidal activity.
B. They must be registered by the U.S. Environmental Protection
Agency.
C. Adjuvants often increase spray application problems.
D. Adjuvants are either premixed in the pesticide formulation or added
to the spray tank mixture. -ANSWER-D
Which type of adjuvant increases the adhesion of solid particles to
target surfaces?
A. Compatibility agents.
B. Stickers
C. Drift retardants.
D. Defoaming agents. -ANSWER-B
Which equation reflects the relationship between pesticide safety
concerns?
A. Hazard=toxicity x exposure.
B. Toxicity=hazard x exposure.
C. Exposure= hazard x toxicity.
D. Hazard=exposure x risk -ANSWER-A
, Which statement is true about the LD50 and LC50?
A. The LD50 and LC50 measure multiple toxic effects.
B. The LD50 and LC50 translate directly to humans.
C. The LD50 and LC50 measure the potential buildups of effects due to
multiple exposures.
D. The LD50 and LC50 measure acute toxicity. -ANSWER-D
Which signal word is associated with Hazard Class III (i.e, small to
medium dose could cause death, illness, or skin, eye, or respiratory
damage) and must have the Spanish word "Aviso" on the label?
A. DANGER-POISON
B. DANGER
C. WARNING
D. CAUTION -ANSWER-C
What should be done if cholinesterase levels fall significantly below
baseline?
A. Have the pesticide handler increase the use of personal protective
equipment until the cholinesterase level builds back up again to normal
levels.
B. Remove the pesticide handler fromm pesticide exposure for at least
one year.
C. Remove the pesticide handler from pesticide exposure until such
time as the cholinesterase level builds back up again to normal levels.
2026 || Most Recent Exam 2026|2027 Actual Complete Real Exam
Questions And Correct Answers (Verified Answers) Already Graded A+
| Guaranteed Success!! Newest Exam | Just Released!!
How much active ingredient is there in a 20-pound bag of Atrazine
90DF?
A. 4 pounds.
B. 9 pounds.
C. 18 pounds.
D. 20 pounds. -ANSWER-C
What type of pesticide formulation consists of a liquid dispersed as
droplets in another liquid and may require agitiation?
A. Microencapsulated.
B. Solution.
C. Suspension.
D. Emulsion. -ANSWER-C
Which liquid pesticide formulation contains solid particles that do not
dissolve in either water or oil and may contribute to abrasive wear of
nozzles and pumps?
A. Ultra-low volume (ULV).
B. Invert emulsions.
,C. Aerosols (A).
D. Flowables (F)/ Liquids (L). -ANSWER-D
Which dry/solid formulation requires constant agitation and may be
abrasive to pumps and nozzles and cause them to wear out quickly?
A. Dusts (D)
B. Granules (G)
C. Wettable powders (WP)
D. Soluble powders (SP) -ANSWER-C
Which type of dry/solid pesticide formulation is always dry and can
easily drift to non-target sites?
A. Dusts.
B. Granules.
C. Pellets.
D. Baits. -ANSWER-A
What type of formulation covers either a liquid or dry pesticide particle
with platic?
A. Pellets.
B. Microencapsulates.
C. Water-soluble packets.
D. Water-dispersible granules. -ANSWER-B
,Which statement is true about adjuvants?
A. They posses pesticidal activity.
B. They must be registered by the U.S. Environmental Protection
Agency.
C. Adjuvants often increase spray application problems.
D. Adjuvants are either premixed in the pesticide formulation or added
to the spray tank mixture. -ANSWER-D
Which type of adjuvant increases the adhesion of solid particles to
target surfaces?
A. Compatibility agents.
B. Stickers
C. Drift retardants.
D. Defoaming agents. -ANSWER-B
Which equation reflects the relationship between pesticide safety
concerns?
A. Hazard=toxicity x exposure.
B. Toxicity=hazard x exposure.
C. Exposure= hazard x toxicity.
D. Hazard=exposure x risk -ANSWER-A
, Which statement is true about the LD50 and LC50?
A. The LD50 and LC50 measure multiple toxic effects.
B. The LD50 and LC50 translate directly to humans.
C. The LD50 and LC50 measure the potential buildups of effects due to
multiple exposures.
D. The LD50 and LC50 measure acute toxicity. -ANSWER-D
Which signal word is associated with Hazard Class III (i.e, small to
medium dose could cause death, illness, or skin, eye, or respiratory
damage) and must have the Spanish word "Aviso" on the label?
A. DANGER-POISON
B. DANGER
C. WARNING
D. CAUTION -ANSWER-C
What should be done if cholinesterase levels fall significantly below
baseline?
A. Have the pesticide handler increase the use of personal protective
equipment until the cholinesterase level builds back up again to normal
levels.
B. Remove the pesticide handler fromm pesticide exposure for at least
one year.
C. Remove the pesticide handler from pesticide exposure until such
time as the cholinesterase level builds back up again to normal levels.
