PESTICIDE APPLICATORS STUDY GUIDE 2025/2026
QUESTIONS WITH ANSWERS MARKED A+
✔✔When calibrating a sprayer or granular applicator, the speed should be checked... -
✔✔on the ground where application will be made
✔✔What are two acceptable ways to prevent back-siphoning of pesticide solution into a
public water supply? - ✔✔anti-siphon valve and fixed air gap between the fill hose and
the pesticide solution in the spray tank
✔✔Which type of sprayer would be a poor choice for a herbicide application? - ✔✔air
blast
✔✔When checking nozzle output on a sprayer, there should be no more than ________
variation among nozzles. - ✔✔10%
✔✔If you need to make a major adjustment to your sprayer's application volume (i.e.,
the amount of spray solution the sprayer delivers; usually measured in gal/acre or
gal/1000 sqft), the best way to do so is to... - ✔✔change the nozzles
✔✔A Kansas Pesticide Business License is required - ✔✔before any commercial pest
control activities are performed
✔✔Certified applicators must maintain required records for: - ✔✔3 years
✔✔What is NOT one of the application records that pesticide businesses must
maintain? - ✔✔fee charged
✔✔Reusing excess pesticide solution in subsequent spray mixtures can be a valid way
to dispose of pesticide waste. T/F - ✔✔true
✔✔With regard to pesticides that are used on food crops, "tolerance" refers to: -
✔✔concentration of pesticide considered safe for human use
✔✔Which would be the best example of chronic exposure to a pesticide? - ✔✔wearing
clothing that was improperly laundered and thus is contaminated with pesticide residue
✔✔Which type of respirator would give the most protection from exposure to high
concentrations of highly toxic pesticides? - ✔✔supplied air respirator
✔✔Which would be the best example of acute exposure to a pesticide? - ✔✔spilling
some pesticide concentrate on your skin
, ✔✔abiotic condition associated with drought conditions? - ✔✔scorch
✔✔Which disease is most commonly associated with shady conditions and poor air
movement? - ✔✔powdery mildew
✔✔Which disease is caused by a nematode? - ✔✔pine wilt
✔✔Chemical control is usually ineffective with which disease? - ✔✔canker
✔✔most common plant pathogen is - ✔✔fungi
✔✔To control cedar-apple rust, routine sprays on the apple/crabapple host must be
applied during: - ✔✔april and may
✔✔The most common foliar disease of roses in Kansas is: - ✔✔black spot
✔✔Scab fungus on apple and flowering crabapple overwinters.. - ✔✔on fallen leaves
✔✔Above-ground symptoms of root disease may include: - ✔✔wilting, leaf and shoot
dieback, leaf yellowing
✔✔Dutch elm disease is spread by... - ✔✔root grafts and european elm bark beetle
feeding
✔✔Which disease damages trees by killing bark tissue? - ✔✔cankers
✔✔What disease is characterized by the terminal end of a diseased shoot may develop
a hooked end - ✔✔fire blight
✔✔what disease is caused by a virus - ✔✔rose mosaic
✔✔Which subterranean vertebrate pest creates circular mounds in which the soil is
expelled through a vertical tunnel/hole in the center of the mound? - ✔✔mole
✔✔Which subterranean vertebrate pest creates half-circular mounds in which the soil is
expelled through an angled (non-vertical) tunnel/hole at the edge of the mound? -
✔✔pocket gopher
✔✔Which subterranean vertebrate pest is LEAST likely to be effectively controlled with
a grain-based bait? - ✔✔mole
✔✔Which vertebrate pest is protected by law in Kansas? - ✔✔spotted skunk
QUESTIONS WITH ANSWERS MARKED A+
✔✔When calibrating a sprayer or granular applicator, the speed should be checked... -
✔✔on the ground where application will be made
✔✔What are two acceptable ways to prevent back-siphoning of pesticide solution into a
public water supply? - ✔✔anti-siphon valve and fixed air gap between the fill hose and
the pesticide solution in the spray tank
✔✔Which type of sprayer would be a poor choice for a herbicide application? - ✔✔air
blast
✔✔When checking nozzle output on a sprayer, there should be no more than ________
variation among nozzles. - ✔✔10%
✔✔If you need to make a major adjustment to your sprayer's application volume (i.e.,
the amount of spray solution the sprayer delivers; usually measured in gal/acre or
gal/1000 sqft), the best way to do so is to... - ✔✔change the nozzles
✔✔A Kansas Pesticide Business License is required - ✔✔before any commercial pest
control activities are performed
✔✔Certified applicators must maintain required records for: - ✔✔3 years
✔✔What is NOT one of the application records that pesticide businesses must
maintain? - ✔✔fee charged
✔✔Reusing excess pesticide solution in subsequent spray mixtures can be a valid way
to dispose of pesticide waste. T/F - ✔✔true
✔✔With regard to pesticides that are used on food crops, "tolerance" refers to: -
✔✔concentration of pesticide considered safe for human use
✔✔Which would be the best example of chronic exposure to a pesticide? - ✔✔wearing
clothing that was improperly laundered and thus is contaminated with pesticide residue
✔✔Which type of respirator would give the most protection from exposure to high
concentrations of highly toxic pesticides? - ✔✔supplied air respirator
✔✔Which would be the best example of acute exposure to a pesticide? - ✔✔spilling
some pesticide concentrate on your skin
, ✔✔abiotic condition associated with drought conditions? - ✔✔scorch
✔✔Which disease is most commonly associated with shady conditions and poor air
movement? - ✔✔powdery mildew
✔✔Which disease is caused by a nematode? - ✔✔pine wilt
✔✔Chemical control is usually ineffective with which disease? - ✔✔canker
✔✔most common plant pathogen is - ✔✔fungi
✔✔To control cedar-apple rust, routine sprays on the apple/crabapple host must be
applied during: - ✔✔april and may
✔✔The most common foliar disease of roses in Kansas is: - ✔✔black spot
✔✔Scab fungus on apple and flowering crabapple overwinters.. - ✔✔on fallen leaves
✔✔Above-ground symptoms of root disease may include: - ✔✔wilting, leaf and shoot
dieback, leaf yellowing
✔✔Dutch elm disease is spread by... - ✔✔root grafts and european elm bark beetle
feeding
✔✔Which disease damages trees by killing bark tissue? - ✔✔cankers
✔✔What disease is characterized by the terminal end of a diseased shoot may develop
a hooked end - ✔✔fire blight
✔✔what disease is caused by a virus - ✔✔rose mosaic
✔✔Which subterranean vertebrate pest creates circular mounds in which the soil is
expelled through a vertical tunnel/hole in the center of the mound? - ✔✔mole
✔✔Which subterranean vertebrate pest creates half-circular mounds in which the soil is
expelled through an angled (non-vertical) tunnel/hole at the edge of the mound? -
✔✔pocket gopher
✔✔Which subterranean vertebrate pest is LEAST likely to be effectively controlled with
a grain-based bait? - ✔✔mole
✔✔Which vertebrate pest is protected by law in Kansas? - ✔✔spotted skunk
