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These 10 free AK-PEST questions are organized by exam domain, so you can see how each part of the Alaska Certified Pesticide Applicator Core Exam blueprint is tested. Reveal the answer and explanation under each question.
Scouting at a nursery shows that a pest population has passed the action threshold but has not reached the economic injury level. The manager proposes waiting until crop losses are visible. The reason to intervene before that point is that:
Correct answer: B - Control needs lead time to prevent economically damaging pest levels.
During a clean-water check, four identical boom nozzles rated at 0.40 gallon per minute deliver 0.39, 0.40, 0.41, and 0.52 gallon per minute at the specified pressure. Cleaning does not change the fourth nozzle's output. The operator suggests lowering pressure until the boom's total flow matches the target. Which correction addresses the uneven application instead of masking it?
Correct answer: C - Replace the fourth nozzle with the specified size, then verify output and recalibrate.
An applicator working outdoors splashes organophosphate concentrate onto his sleeves. Minutes later, he develops pinpoint pupils, excessive salivation, and difficulty breathing. A coworker attributes this to the warm weather. Trained coworkers have chemical-resistant protection and clean water available. What response takes priority?
Correct answer: A - Call 911; remove contaminated clothing and rinse exposed skin with protected assistance.
A wettable-powder mixture sprays uniformly in the morning. After the agitation is switched off during a lunch break, sediment forms at the bottom of the tank. It redistributes readily when agitation resumes; there are no clumps, gels, or blocked strainers. The appropriate response to this observation is to:
Correct answer: C - Maintain agitation to keep the suspended particles evenly distributed.
Comparable laboratory tests report these LD50 values for two pesticide formulations: Formulation R: oral 40 mg/kg; dermal 1,200 mg/kg. Formulation S: oral 400 mg/kg; dermal 120 mg/kg. A supervisor asks whether one formulation is more acutely toxic by both routes. Which comparison is supported by the results?
Correct answer: A - R has greater acute oral toxicity; S has greater acute dermal toxicity.
Near dawn, an application crew measures cooler air near the ground than several feet above it. Smoke from a nearby chimney spreads sideways in a low layer instead of rising and dispersing. Wind speed is low. Why can these conditions still produce substantial off-target movement of fine spray droplets?
Correct answer: C - An inversion limits vertical mixing and allows fine droplets to move sideways.
A landscaping company donates a weed-control treatment to a homeowner in Alaska. Its certified applicator uses a general-use herbicide, and the company charges nothing. Which recordkeeping practice meets the requirement for this application?
Correct answer: A - Retain the required application record for at least two years.
During the school term, an Alaska elementary school schedules a broadcast herbicide treatment of its playing field before a four-day break from classes. The principal plans to omit parent notice, although a youth soccer session will use the field 48 hours after treatment. How does the planned use affect the advance-notice requirement?
Correct answer: D - Provide the required parent notice at least 24 hours before treatment.
A turf insecticide label requires exactly 2 fl oz of product in 1 gallon of finished spray per 1,000 square feet, a maximum of 6 fl oz per 1,000 square feet per calendar year, and at least 14 days between treatments. The east lawn is 6,000 square feet and has already received 6 fl oz per 1,000 square feet this year. The west lawn is 4,000 square feet and has received 2 fl oz per 1,000 square feet. Both were last treated 21 days ago and now need control of the labeled pest. Select the compliant treatment and quantity.
Correct answer: D - West lawn only: 8 fl oz of product in 4 gallons of finished spray.
A pesticide label requires compliance with the Bulletins Live! Two bulletin for the product, application location, and application month, obtained within the six months before use. In June, an applicator retrieves the July bulletin for a planned July treatment; it shows no additional limitations. The treatment is moved to August. How should the applicator address the bulletin requirement?
Correct answer: B - Obtain the August bulletin for the same product and location.
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