Page 1 of 95
PESTICIDE LAWS AND SAFETY EXAM STUDY
GUIDE COMPLETE 380 QUESTIONS AND
CORRECT DETAILED SOLUTIONS JUST
RELEASED THIS YEAR
WASHINGTON PESTICIDE LAWS AND SAFETY EXAM A
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:
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a. 640 mg/kg
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
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QUESTION: When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. - ANSWER✔✔.Economic
threshold
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
QUESTION: Select the condition that could help reduce pesticide volatilization:
a. high air temps
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b. low relative humidity
c. incorporation
d. small droplets
e. wet soils - ANSWER✔✔.b. low relative humidity
QUESTION: Pesticide absorption is greatest in coarse, sandy soils (T/F) - ANSWER✔✔.False
QUESTION: Runoff is more likely from a water-saturated soil than from an unsaturated soil. -
ANSWER✔✔.True
QUESTION: Pesticide degration processes can be beneficial because they reduce the amount of
pesticide residue in the environment (T/F) - ANSWER✔✔.True
QUESTION: The upper level of the water saturated zone in the soil is called the _____. -
ANSWER✔✔.Water table
QUESTION: Pesticide properties have little effect on whether a chemical will reach the
groundwater (T/F) - ANSWER✔✔.False
QUESTION: Pesticides can reach groundwater through _____. - ANSWER✔✔.Leaching
PESTICIDE LAWS AND SAFETY EXAM STUDY
GUIDE COMPLETE 380 QUESTIONS AND
CORRECT DETAILED SOLUTIONS JUST
RELEASED THIS YEAR
WASHINGTON PESTICIDE LAWS AND SAFETY EXAM A
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:
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a. 640 mg/kg
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
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QUESTION: When the pest reaches the _____, pest management procedures need to be
applied to prevent the pest from economically damaging populations. - ANSWER✔✔.Economic
threshold
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
QUESTION: Select the condition that could help reduce pesticide volatilization:
a. high air temps
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b. low relative humidity
c. incorporation
d. small droplets
e. wet soils - ANSWER✔✔.b. low relative humidity
QUESTION: Pesticide absorption is greatest in coarse, sandy soils (T/F) - ANSWER✔✔.False
QUESTION: Runoff is more likely from a water-saturated soil than from an unsaturated soil. -
ANSWER✔✔.True
QUESTION: Pesticide degration processes can be beneficial because they reduce the amount of
pesticide residue in the environment (T/F) - ANSWER✔✔.True
QUESTION: The upper level of the water saturated zone in the soil is called the _____. -
ANSWER✔✔.Water table
QUESTION: Pesticide properties have little effect on whether a chemical will reach the
groundwater (T/F) - ANSWER✔✔.False
QUESTION: Pesticides can reach groundwater through _____. - ANSWER✔✔.Leaching
