PRACTICE EXAM LAWS AND SAFETY
PESTICIDE APPLICATOR CERTIFICATION
2026 COMPLETE PRACTICE QUESTIONS,
VERIFIED CORRECT ANSWERS AND
DETAILED EXPLANATIONS FOR
CERTIFICATION EXAM PREPARATION
Which statement is true about chemical incompatibility?
A. It is not necessary to consider chemical compatibility effects when
mixing a pesticide with hard water, chlorinated water, or fertilizers.
B. Increasing the chemial activity of two or more products mixed together is
always harmful.
C. Chemical incompatibiltiy occurs when the activity of the mixed products
is reduced.
D. Labels do not proved information on avoiding chemical incompatibility.
- CORRECT ANSWER -C
Which is not a means of preventing contamination of water sources?
A. When filling the tank, keep the hose down in the pesticide mixture.
B. Use a check valve, anti-siphoning device, or backflow preventer when
pumping water directly from the source into a mix tank.
C. Mix and load pesticides on a containment pad.
D. Locate mixing equipment so that leaks or spills flow away from a drain
or water source. - CORRECT ANSWER -A
,Which statement is true about cleaning pesticide equipment?
A. Always wash equipment in the same locations unless you use a
containment pad or tray.
B. There is very little risk of pesticide exposure during equipment cleanup.
C. It is a good idea to wait until the end of the work week before cleaning up
equipment.
D. Sloppy cleanup practices are one of the main causes of equipment failure
or malfunction. - CORRECT ANSWER -D
Which type of pesticide application procedures would you use to apply a
herbicide between the rows of crops?
A. Broadcast application.
B. Band appliation.
C. Crack and crevice application.
D. Foliar application. - CORRECT ANSWER -B
You are applying pesticide to a rectangular area that is 50 feet long by 20
feet wide. What is the area in square feet?
A. 70 square feet
B. 100 square feet
C. 500 square feet
D. 1,000 square feet - CORRECT ANSWER -D
You determined from a calibration test that your boom sprayer delivers 8
galoons of water over a 0.25-acre (1/4 acre) test area. You need to apply
pesticide to a 10-acre field. How much spray mixture is needed for the 10-
acre application area?
, A. 80 gallons.
B. 120 gallons.
C. 320 gallons.
D. 400 gallons. - CORRECT ANSWER -C
From your calibration test, you determine that your backpack sprayer
delivers 0.25 gallon of water to cover a 250-square-foot test area. The label
recommends applying pesticide at a rate of 6 ounces of product per gallon.
How many ounces of product are needed to cover a 1,000-squarefoot
applicaito area?
A. 6 ounces
B. 12 ounces
C. 18 ounces
D. 24 ounces - CORRECT ANSWER -A
Breeding or selecting plants and animals with characteristics for resistance
to pests is an example of which type of pest management method?
A. Biological control.
B. Mechanical control.
C. Genetic Control.
D. Physical/ environmental modificaiton. - CORRECT ANSWER -C
Using a plow to destry weeeds is an example of which type of mechanical
control method?
A. Exclusion.
B. Trapping.
C. Cultivation.
PESTICIDE APPLICATOR CERTIFICATION
2026 COMPLETE PRACTICE QUESTIONS,
VERIFIED CORRECT ANSWERS AND
DETAILED EXPLANATIONS FOR
CERTIFICATION EXAM PREPARATION
Which statement is true about chemical incompatibility?
A. It is not necessary to consider chemical compatibility effects when
mixing a pesticide with hard water, chlorinated water, or fertilizers.
B. Increasing the chemial activity of two or more products mixed together is
always harmful.
C. Chemical incompatibiltiy occurs when the activity of the mixed products
is reduced.
D. Labels do not proved information on avoiding chemical incompatibility.
- CORRECT ANSWER -C
Which is not a means of preventing contamination of water sources?
A. When filling the tank, keep the hose down in the pesticide mixture.
B. Use a check valve, anti-siphoning device, or backflow preventer when
pumping water directly from the source into a mix tank.
C. Mix and load pesticides on a containment pad.
D. Locate mixing equipment so that leaks or spills flow away from a drain
or water source. - CORRECT ANSWER -A
,Which statement is true about cleaning pesticide equipment?
A. Always wash equipment in the same locations unless you use a
containment pad or tray.
B. There is very little risk of pesticide exposure during equipment cleanup.
C. It is a good idea to wait until the end of the work week before cleaning up
equipment.
D. Sloppy cleanup practices are one of the main causes of equipment failure
or malfunction. - CORRECT ANSWER -D
Which type of pesticide application procedures would you use to apply a
herbicide between the rows of crops?
A. Broadcast application.
B. Band appliation.
C. Crack and crevice application.
D. Foliar application. - CORRECT ANSWER -B
You are applying pesticide to a rectangular area that is 50 feet long by 20
feet wide. What is the area in square feet?
A. 70 square feet
B. 100 square feet
C. 500 square feet
D. 1,000 square feet - CORRECT ANSWER -D
You determined from a calibration test that your boom sprayer delivers 8
galoons of water over a 0.25-acre (1/4 acre) test area. You need to apply
pesticide to a 10-acre field. How much spray mixture is needed for the 10-
acre application area?
, A. 80 gallons.
B. 120 gallons.
C. 320 gallons.
D. 400 gallons. - CORRECT ANSWER -C
From your calibration test, you determine that your backpack sprayer
delivers 0.25 gallon of water to cover a 250-square-foot test area. The label
recommends applying pesticide at a rate of 6 ounces of product per gallon.
How many ounces of product are needed to cover a 1,000-squarefoot
applicaito area?
A. 6 ounces
B. 12 ounces
C. 18 ounces
D. 24 ounces - CORRECT ANSWER -A
Breeding or selecting plants and animals with characteristics for resistance
to pests is an example of which type of pest management method?
A. Biological control.
B. Mechanical control.
C. Genetic Control.
D. Physical/ environmental modificaiton. - CORRECT ANSWER -C
Using a plow to destry weeeds is an example of which type of mechanical
control method?
A. Exclusion.
B. Trapping.
C. Cultivation.
