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Free Commercial Pesticide Practice Questions

8 free, exam-style Commercial Pesticide Applicator (Commercial Pesticide) practice questions with answers and explanations. No signup required. Work through them below, then take the full free Commercial Pesticide practice test to study every exam domain.

Question 1

A pesticide product has an oral LD50 of 250 mg/kg. Which signal word must appear on its label?

  1. DANGER
  2. WARNING
  3. CAUTION
  4. No signal word is required
Show answer & explanation

Correct answer: C - CAUTION

Question 2

Which route of exposure accounts for the MOST pesticide exposure to applicators on the job?

  1. Breathing in vapors, dusts, or fine spray droplets
  2. Swallowing pesticide through food or contaminated hands
  3. Absorption through the skin during mixing and loading
  4. Splashes that get into the eyes during application
Show answer & explanation

Correct answer: D - Splashes that get into the eyes during application

Question 3

How does increasing spray pressure at the nozzle generally affect pesticide drift?

  1. It increases drift by producing smaller droplets
  2. It reduces drift because higher pressure drives the spray downward
  3. It has no effect on drift, only on the total amount applied
  4. It reduces drift by increasing the droplet size
Show answer & explanation

Correct answer: B - It reduces drift because higher pressure drives the spray downward

Question 4

Which of the following is a violation of federal pesticide law (FIFRA)?

  1. Applying the product at less than the rate listed on the label
  2. Applying the product to a site that is not listed on the label
  3. Using a different application method that the label does not prohibit
  4. Wearing more personal protective equipment than the label requires
Show answer & explanation

Correct answer: C - Using a different application method that the label does not prohibit

Question 5

A coworker has swallowed a pesticide and is conscious. When should you make the person vomit?

  1. Immediately, before any of the pesticide can be absorbed
  2. Only if the product label directs you to induce vomiting
  3. Always, unless the person feels nauseated already
  4. Never, under any circumstances
Show answer & explanation

Correct answer: C - Always, unless the person feels nauseated already

Question 6

A label calls for a wettable powder (WP) formulation. To apply it correctly, the spray mixture must be:

  1. Kept suspended by continuous agitation in the tank
  2. Allowed to fully dissolve, after which agitation is unnecessary
  3. Mixed with a solvent because it will not combine with water
  4. Applied only as a dry dust, never in water
Show answer & explanation

Correct answer: B - Allowed to fully dissolve, after which agitation is unnecessary

Question 7

A sprayer is calibrated to apply 20 gallons per acre and holds a 300-gallon tank. How many acres will one full tank treat?

  1. 6 acres
  2. 15 acres
  3. 60 acres
  4. 6,000 acres
Show answer & explanation

Correct answer: C - 60 acres

Question 8

A container of liquid pesticide tips over and begins leaking. After putting on protective equipment, what is your FIRST step under the standard spill response procedure?

  1. Spread absorbent material to soak up the puddle
  2. Surround the spill so it cannot spread any farther
  3. Control the spill by stopping the source of the leak
  4. Hose the area down to dilute the pesticide
Show answer & explanation

Correct answer: D - Hose the area down to dilute the pesticide

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