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QAL, pesticide applicator, certification exam, pesticide safety, applicator license, QAL prep

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D - answer-Which of the following are pesticides? A-disinfectants B-insecticides C- herbicides D- all of the above A - answer-Which pesticide handling activity is the most hazardous? A- mixing and loading B- rinse and drain procedures C- aerial applications D- low volume applications D - answer-Who can provide pesticide safety training for applicators working in agricultural productions? A- a licenses PCA B- A UC Farm Advisor C- a registered professional forester D- All of the above E - answer-No one younger than 18 years old can handle pesticide that requires which of the following? A- A closed system B- full body chemical-resistant clothing C- full face respirators D- All of the above E- a and b E - answer-Spray Tanks that are larger than 49 gallons must have which of the following when used for Category I and II pesticides. A: an emergency spill kit B: an external volume gauge C- A see through tank D- All of the above E- B and C D - answer-When must a closed system be used? A- for all Category I liquids B- only when required by labeling C- for category I and II pesticides D- for category I liquids used for production agriculture. A - answer-"Regularly handling" a pesticide is : A: more than 6 days in any 30 day period B: prohibited for Category I cholinesterase inhibitors C- More than 10 days in any 30 day period D- None of the above D - answer-Which of the following can be used to reduce pesticide exposure: A- closed systems B- personal protective equipment C- hand-washing after handling pesticides D- all of the above C - answer-What's the most common route of pesticide exposure? A- ocular B- inhalation C- dermal D- ingestion D - answer-Which formulation is the most abrasive to application equipment? A-emulsifiable concentrates B-dry flowables C- soluble powders D- d-wettable powders B - answer-The way a pesticide controls target pests is referred to as its: A- half life B- mode of action C- toxicity D- efficacy A - answer-Which of the following statements is true about LD50 values? A- they provide info about acute health hazards B- larger LD50 values mean higher toxicity C- the LD50 is 50% of the amount it takes to kill 50% of the test population D- refers to kg of pesticide/mg of the weight of the test animal D - answer-Which of the following statements is true about chronic pesticide exposure? A- it can cause long lasting or permanent health effects B- it always results in the death of the lab animal C- it may affect the offspring of the organism exposed D- a and c B - answer-Which if the following pesticide groups is the most environmentally persistent? A- organophosphates B- organochlorines C- n- methyl carbamates D- anti-coagulants C - answer-The jar test is used to prevent problems with which of the following? A- phytotoxicity B- persistence C- incompatibility D- efficacy A - answer-Which LD50 value is the most toxic? A- 1mg/kg B- 10mg/kg C- 100mg/kg D- 0.5 kg/mg A - answer-Pesticide persistence is measures in: A- half lives B- mg/kg C- ppm D- parts per million C - answer-Which of the following is NOT a pesticide? A- a plant defoliant B- a disinfectant C- a fertilizer D- b and c D - answer-Which of the following factors could influence a pesticide's effectiveness? A- life stage of the pest B- weather C- how clean the mix water is D- all of the above D - answer-Pesticide incompatibility can result in which of the following: A- clogged spray nozzle B- reduced pest control C- increases persistence D- a and b A - answer-Which type of application equipment produces uniformly sized droplets? A- controlled droplet applicators B- electrostatic sprayers C- ultra low volume sprayers D- none of the above D - answer-Which type of pump is best for wettable powder applications? A- centrifugal B- diaphragm C- roller D- a and b D - answer-Spray nozzles influence which of the following? A- application rate B- droplet size C- spray pattern D- All of the above D - answer-The primary factors related to spray drift are: A- wind speed B- wind direction C- spray droplet size D- all of the above A - answer-Drift control agents reduce drift by: A- increasing droplet size and weight B- decreasing spray solution viscosity C- decreasing droplet temperature D- a and b B - answer-Volatization generally occurs: A- When wind speed exceeds 10 mph B- when air temperatures are warm (exceed 85 degrees) C- when a warm air layer overlays a cold air layer D- all of the above D - answer-The damage caused by pesticide drift can be prevented by using: A- buffer Zones B- drift control agents C- low tank pressure D- all of the above A - answer-Which of the following are conditions that are related to temperature inversions? A- occur at night B- warm weather C- volatization C - answer-Which type of spray nozzle is best for wettable powders? A- plastic B- brass C- stainless steel D- none of the above C - answer-Which of the following are not topics that must be reviewed during employee safety training? A- pesticide exposure routes B- heat related illness C- pesticide reporting requirements D- warnings not to take pesticide containers home A - answer-Which of the following are true about coveralls: A- they can be one-piece or two- piece articles of clothing B- they must be used whenever employees handle pesticides C- employees can wash them at home when Category II or III pesticides are being used D- They must be disposable D - answer-What must occur when the air temperature exceeds 85 degrees and employees are using pesticides that require chemical resistant clothing? A- they must take breaks in the a shaded area every hour B- they must drink 1 quart of water each hour C- a and B D- they must stop using those pesticides C - answer-Which label section provides information on risks to people and domestic animals? A- use directions B- Statement of Practical Treatment C-Precautionary Statements D- Signal Word D - answer-How often must agricultural field workers receive pesticide training? A- never B- Every year C- every other year D every 5 years B - answer-What is the re-entry period when two organophosphate insecticides are used and their re-entry periods are 6 days and 2 days. A- 6 days B- 7 days C- 8 days D- 10 days C - answer-Pesticide residues are generally measured in what units? A- half lives B- tolerance units C parts per million D- a and C A - answer-Which of the following are mechanisms that break down pesticides? A- Microbial breakdown B- inversion C- Fusion D- all of the above D - answer-A half life is defined as: A-50 % of the time it takes the pesticide to breakdown to non-detectable levels B- the amount of time it takes for the pesticide to break down to 50% of its legal tolerance C- how tolerances are measured D- None of the above A - answer-Which pesticide group has the longest half-life? A- organochlorines B- n-methyl carbamates C-organophosphates D- synthetic pyrethroids B - answer-The legally allowable pesticide residue level in food is called a : A- residue limit B- Tolerance C- quarantine level D- None of the above B - answer-Produce that has illegal pesticide levels must be: A- Washed adequately to remove all the pesticide residue B- Put under quarantine C- destroyed D- Reanalyzed D - answer-How do pesticides leach into ground water? A- directly through the soil profile, especially in heavy clay soils B- directly through the soil profile, especially in sandy soils C- through cracked well heads D- both B and C E Both A and B D - answer-Most groundwater contaminants belong to which pesticide group? A- post emergent herbicides B- Chlorinated hydrocarbons C- organophosphates D- Pre emergent herbicides D - answer-Which of the following are examples of point source pollution? A- illegal pesticide dumping into a creek B- a crop duster crash into a lake C- leaky pesticide containers in a storage area D- All of the above A - answer-Pesticide containers that have held a liquid pesticide and are less then 28 gallons must be: A-Triple rinsed at the time of use B- taken to a Class I landfill C- can be reused for any purpose D- none of the above E - answer-Which of the following are considered to be pest species? A- Weeds B- invertebrates C- Abiotic factors D- All of the above E- only a and b C - answer-A pest that is the most significant pest of a crop or site is considered to be which of the following? A- a summit pest B- a biotic pest C- a key pest D- None of the above A - answer-Which type of pesticide provides the most protection for beneficial species? A- narrow spectrum B- Organic C- broad spectrum D- green B - answer-Which of the following statements is false about biological control? A- uses beneficial species B- eradicates pests C- may include pesticide use D- all of the above is true E B and C are false D - answer-Which of the following are mechanical control methods? A- plowing B- Trapping C-Mowing D- All of the above E-only A and C D - answer-Modifying schedules for irrigation to discourage or eliminate a pest species is considered to be what type of pest control method? A- biological B- abiotic C- natural D- Cultural C - answer-Using crop varieties that can tolerate pest damage is which of the following? A- Natural Pest control B- Genetic modification C- host resistance D- Rarely successful E - answer-Regulatory pest control may include which of the following? A- eradication efforts B- quarantine C- Pesticide bans D- all of the above E- A and B only C - answer-An IPM threshold is: A- the optimal level of a beneficial organism B- a biological agent that controls 50% of the pest damage C- a predetermined pest population level at which pest control activities are activated D- A and C D - answer-The Beekeeper notification regulations apply to which of the following scenarios? A- all pesticides used withing one mile of bee hives B- any pesticide that is applied to blossoming crops used within one mile of bee hives C- only certain pesticides applied on blossoming crops within one-half mile of bee hives D- None of the above 16 - answer-1 pounds = _____ Ounces 128 - answer-1 Gallon= _____Ounces 8 - answer-1 Gallon = _______Pints 5,280 - answer-1 Mile = ____ feet 43,560 - answer-1 Acre = _____ Square feet C - answer-How many square feet are in a plot measuring 100 feet by 150 feet? A- 150 square feet B- 1500 square feet C- 15,000 square feet D- 10,000 Square feet A - answer-How many Acres are in a plot measuring 300 ft x 150 ft? A- 1 acre B- 0.69 Acres C- 0.40 Acres D- 1.69 Acres C - answer-If the label of a pesticide you are using recommends applying 2 pints per acre how much would you need for a plot measuring 200x300 ft? A-o.50 gallons B- 0.65 Gallons C o.35 gallons D. 1.5 gallons B - answer-You are making a preventive treatment for brown patch and dollar spot treatment on a golf green. The treatment area measures 50 x 100 ft. How much fung

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Institution
Pesticide Applicator
Course
Pesticide Applicator

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Qal prep test questions with correct
answers


D - answer-Which of the following are pesticides?
A-disinfectants
B-insecticides
C- herbicides
D- all of the above

A - answer-Which pesticide handling activity is the most hazardous?
A- mixing and loading
B- rinse and drain procedures
C- aerial applications
D- low volume applications

D - answer-Who can provide pesticide safety training for applicators
working in agricultural productions?
A- a licenses PCA
B- A UC Farm Advisor
C- a registered professional forester
D- All of the above

E - answer-No one younger than 18 years old can handle pesticide
that requires which of the following?
A- A closed system
B- full body chemical-resistant clothing
C- full face respirators
D- All of the above
E- a and b

,E - answer-Spray Tanks that are larger than 49 gallons must have
which of the following when used for Category I and II pesticides.
A: an emergency spill kit
B: an external volume gauge
C- A see through tank
D- All of the above
E- B and C

D - answer-When must a closed system be used?
A- for all Category I liquids
B- only when required by labeling
C- for category I and II pesticides
D- for category I liquids used for production agriculture.

A - answer-"Regularly handling" a pesticide is :
A: more than 6 days in any 30 day period
B: prohibited for Category I cholinesterase inhibitors
C- More than 10 days in any 30 day period
D- None of the above

D - answer-Which of the following can be used to reduce pesticide
exposure:
A- closed systems
B- personal protective equipment
C- hand-washing after handling pesticides
D- all of the above

C - answer-What's the most common route of pesticide exposure?
A- ocular
B- inhalation
C- dermal

,D- ingestion

D - answer-Which formulation is the most abrasive to application
equipment?
A-emulsifiable concentrates
B-dry flowables
C- soluble powders
D- d-wettable powders

B - answer-The way a pesticide controls target pests is referred to as
its:
A- half life
B- mode of action
C- toxicity
D- efficacy

A - answer-Which of the following statements is true about LD50
values?
A- they provide info about acute health hazards
B- larger LD50 values mean higher toxicity
C- the LD50 is 50% of the amount it takes to kill 50% of the test
population
D- refers to kg of pesticide/mg of the weight of the test animal

D - answer-Which of the following statements is true about chronic
pesticide exposure?
A- it can cause long lasting or permanent health effects
B- it always results in the death of the lab animal
C- it may affect the offspring of the organism exposed
D- a and c

, B - answer-Which if the following pesticide groups is the most
environmentally persistent?
A- organophosphates
B- organochlorines
C- n- methyl carbamates
D- anti-coagulants

C - answer-The jar test is used to prevent problems with which of the
following?
A- phytotoxicity
B- persistence
C- incompatibility
D- efficacy

A - answer-Which LD50 value is the most toxic?
A- 1mg/kg
B- 10mg/kg
C- 100mg/kg
D- 0.5 kg/mg

A - answer-Pesticide persistence is measures in:
A- half lives
B- mg/kg
C- ppm
D- parts per million

C - answer-Which of the following is NOT a pesticide?
A- a plant defoliant
B- a disinfectant
C- a fertilizer
D- b and c

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Institution
Pesticide Applicator
Course
Pesticide Applicator

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Uploaded on
May 27, 2026
Number of pages
416
Written in
2025/2026
Type
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Contains
Questions & answers

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