Qal prep exam with correct answers
2025
D<correct answers>Which of the following are pesticides?
A-disinfectants
B-insecticides
C- herbicides
D- all of the above
A<correct answers>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<correct answers>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<correct answers>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<correct answers>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<correct answers>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<correct answers>"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<correct answers>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<correct answers>What's the most common route of pesticide exposure?
A- ocular
B- inhalation
C- dermal
D- ingestion
,D<correct answers>Which formulation is the most abrasive to application equipment?
A-emulsifiable concentrates
B-dry flowables
C- soluble powders
D- d-wettable powders
B<correct answers>The way a pesticide controls target pests is referred to as its:
A- half life
B- mode of action
C- toxicity
D- efficacy
A<correct answers>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<correct answers>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<correct answers>Which if the following pesticide groups is the most environmentally
persistent?
A- organophosphates
B- organochlorines
C- n- methyl carbamates
, D- anti-coagulants
C<correct answers>The jar test is used to prevent problems with which of the following?
A- phytotoxicity
B- persistence
C- incompatibility
D- efficacy
A<correct answers>Which LD50 value is the most toxic?
A- 1mg/kg
B- 10mg/kg
C- 100mg/kg
D- 0.5 kg/mg
A<correct answers>Pesticide persistence is measures in:
A- half lives
B- mg/kg
C- ppm
D- parts per million
C<correct answers>Which of the following is NOT a pesticide?
A- a plant defoliant
B- a disinfectant
C- a fertilizer
D- b and c
D<correct answers>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
2025
D<correct answers>Which of the following are pesticides?
A-disinfectants
B-insecticides
C- herbicides
D- all of the above
A<correct answers>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<correct answers>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<correct answers>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<correct answers>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<correct answers>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<correct answers>"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<correct answers>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<correct answers>What's the most common route of pesticide exposure?
A- ocular
B- inhalation
C- dermal
D- ingestion
,D<correct answers>Which formulation is the most abrasive to application equipment?
A-emulsifiable concentrates
B-dry flowables
C- soluble powders
D- d-wettable powders
B<correct answers>The way a pesticide controls target pests is referred to as its:
A- half life
B- mode of action
C- toxicity
D- efficacy
A<correct answers>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<correct answers>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<correct answers>Which if the following pesticide groups is the most environmentally
persistent?
A- organophosphates
B- organochlorines
C- n- methyl carbamates
, D- anti-coagulants
C<correct answers>The jar test is used to prevent problems with which of the following?
A- phytotoxicity
B- persistence
C- incompatibility
D- efficacy
A<correct answers>Which LD50 value is the most toxic?
A- 1mg/kg
B- 10mg/kg
C- 100mg/kg
D- 0.5 kg/mg
A<correct answers>Pesticide persistence is measures in:
A- half lives
B- mg/kg
C- ppm
D- parts per million
C<correct answers>Which of the following is NOT a pesticide?
A- a plant defoliant
B- a disinfectant
C- a fertilizer
D- b and c
D<correct answers>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
