CORE IOWA DOA PESTICIDE
APPLICATOR'S LICENSE PRACTICE TEST
2026/2027 ACTUAL QUESTIONS WITH
VERIFIED ANSWERS.
What is a disadvantage of dust formulations?
• Require specialized equipment
• May need moisture to activate pesticide
• Easily drift off-target during application
• Require constant agitation - correct answer-• Easily drift off-
target during application
Which of the following statements about pesticide
storage is INCORRECT?
• Packages should be stored on pallets or shelves off the floor
• Recirculate ventilation air within the building
Store pesticides away from feed or seed
• Store pesticides only in the original container - correct
answer-• Packages should be stored on pallets or shelves
off the floor
,A pesticide that is ____________ REDUCES the
likelihood of groundwater contamination.
• persistent
• highly water soluble
• loosely adsorbed to soil particles
• strongly adsorbed to soil particles - correct answer-• highly
water soluble
A label calls for a granular pesticide to be applied at
10 ounces per 1,000 feet of row. You have to treat 8
rows, each mile in length. How much product do
you need for this job?
(1 mile=5,280 ft
1 acre=43,560 sqft
1 sq mile=640 acres
1 gal=128 fl oz
1 kilogram=2.2 lbs)
• 53 ounces
• 105.5 ounces
• 158 ounces
• 211 ounces - correct answer-• 211 ounces
,Which law requires employers to provide
agricultural workers and pesticide handlers with
protection against possible harm from pesticide
exposure?
• Federal Food, Drug, and Cosmetic Act
• Federal Insecticide, Fungicide, and Rodenticide
Act
• Food Quality Protection Act
• Worker Protection Standard - correct answer-• Worker
Protection Standard
A label calls for a granular pesticide to be applied at
8 ounces per 1,000 feet of row. You have to treat 4
rows, each mile in length. How much product do
you need for this job?
(1 mile=5,280 ft
1 acre=43,560 sqft
1 sq mile=640 acres
1 gal=128 fl oz
1 kilogram=2.2 lbs)
• 21 ounces
• 32 ounces
• 42 ounces
, • 62.5 ounces - correct answer-• 42 ounces
How often should pesticide application equipment be
calibrated?
• On a regular basis to detect changes due to
wear, corrosion and aging
• Only the first time it is used and when a different applicator
uses the equipment
• On a yearly basis, before it is put away for the season
• The first time it is used and when changes are made to the
equipment - correct answer-• On a regular basis to detect
changes due to wear, corrosion and aging
What is the part of a pesticide formulation that is
toxic to the pest called?
• Active ingredient
• Adjuvant
• Carrier
• Inert ingredient - correct answer-• Active ingredient
What should you do first in the case of a pesticide
spill?
APPLICATOR'S LICENSE PRACTICE TEST
2026/2027 ACTUAL QUESTIONS WITH
VERIFIED ANSWERS.
What is a disadvantage of dust formulations?
• Require specialized equipment
• May need moisture to activate pesticide
• Easily drift off-target during application
• Require constant agitation - correct answer-• Easily drift off-
target during application
Which of the following statements about pesticide
storage is INCORRECT?
• Packages should be stored on pallets or shelves off the floor
• Recirculate ventilation air within the building
Store pesticides away from feed or seed
• Store pesticides only in the original container - correct
answer-• Packages should be stored on pallets or shelves
off the floor
,A pesticide that is ____________ REDUCES the
likelihood of groundwater contamination.
• persistent
• highly water soluble
• loosely adsorbed to soil particles
• strongly adsorbed to soil particles - correct answer-• highly
water soluble
A label calls for a granular pesticide to be applied at
10 ounces per 1,000 feet of row. You have to treat 8
rows, each mile in length. How much product do
you need for this job?
(1 mile=5,280 ft
1 acre=43,560 sqft
1 sq mile=640 acres
1 gal=128 fl oz
1 kilogram=2.2 lbs)
• 53 ounces
• 105.5 ounces
• 158 ounces
• 211 ounces - correct answer-• 211 ounces
,Which law requires employers to provide
agricultural workers and pesticide handlers with
protection against possible harm from pesticide
exposure?
• Federal Food, Drug, and Cosmetic Act
• Federal Insecticide, Fungicide, and Rodenticide
Act
• Food Quality Protection Act
• Worker Protection Standard - correct answer-• Worker
Protection Standard
A label calls for a granular pesticide to be applied at
8 ounces per 1,000 feet of row. You have to treat 4
rows, each mile in length. How much product do
you need for this job?
(1 mile=5,280 ft
1 acre=43,560 sqft
1 sq mile=640 acres
1 gal=128 fl oz
1 kilogram=2.2 lbs)
• 21 ounces
• 32 ounces
• 42 ounces
, • 62.5 ounces - correct answer-• 42 ounces
How often should pesticide application equipment be
calibrated?
• On a regular basis to detect changes due to
wear, corrosion and aging
• Only the first time it is used and when a different applicator
uses the equipment
• On a yearly basis, before it is put away for the season
• The first time it is used and when changes are made to the
equipment - correct answer-• On a regular basis to detect
changes due to wear, corrosion and aging
What is the part of a pesticide formulation that is
toxic to the pest called?
• Active ingredient
• Adjuvant
• Carrier
• Inert ingredient - correct answer-• Active ingredient
What should you do first in the case of a pesticide
spill?
