Iowa Pesticide Applicator Exam Prep 2026/2027 — Verified A+ Study Guide Questions 1–200 | Questions and Answers | Complete Certification Exam Preparation Study Guide | 100% Pass Guaranteed | Graded A+

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Iowa Pesticide Applicator Exam Prep 2026/2027 —
Verified A+ Study Guide
Questions 1–200 | Questions and Answers |
Complete Certification Exam Preparation Study
Guide | 100% Pass Guaranteed | Graded A+

1. Which state agency administers pesticide applicator certification and licensing
in Iowa?

A. Iowa Department of Natural Resources
B. Iowa Department of Agriculture and Land Stewardship (IDALS)
C. Iowa Department of Public Health
D. Iowa State University Extension

ANS: B
Explanation: The Iowa Department of Agriculture and Land Stewardship (IDALS)
Pesticide Bureau administers pesticide applicator certification and licensing under
Iowa Code Chapter 206. While Iowa State University Extension provides training
materials, IDALS is the regulatory authority .


2. Which federal law regulates the production, transportation, sale, use, and
disposal of all pesticides in the United States?

A. Federal Food, Drug, and Cosmetic Act (FFDCA)
B. Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA)
C. Food Quality Protection Act (FQPA)
D. Worker Protection Standard (WPS)

ANS: B
Explanation: FIFRA is the primary federal law that regulates the production,
transportation, sale, use, and disposal of all pesticides. The FFDCA sets tolerances for
pesticide residues on food, while FQPA amended both FIFRA and FFDCA, and WPS
protects agricultural workers .

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3. What is the initial certification fee for a Commercial/Non-Commercial Applicator
in Iowa?

A. $25
B. $50
C. $75
D. $100

ANS: C
Explanation: The commercial/non-commercial application fee is $75 for a 3-year
certification. Private applicators pay a $15 certification fee .


4. How many questions are on the Iowa commercial pesticide applicator Core
exam?

A. 25 questions
B. 35 questions
C. 50 questions
D. 100 questions

ANS: C
Explanation: The Iowa commercial pesticide applicator Core exam consists of 50
closed-book questions covering the Iowa Core Manual. Applicants must also pass a
separate 35-question category-specific exam for each category in which they seek
certification .


5. What new pesticide applicator category did IDALS introduce effective January 1,
2026?

A. Category 11 — Aerial Application
B. Category 12 — Soil Fumigation
C. Category 13 — Aquatic Pest Control
D. Category 14 — Wood Preservation

ANS: B
Explanation: Effective Jan. 1, 2026, IDALS introduced Category 12 — Soil Fumigation
for individuals using or supervising the use of gaseous pesticides in soil. Applicators in
this category must pass an exam based on the new National Soil Fumigation Manual .

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6. Under Iowa's 2026 rules, what is the minimum age to apply restricted-use
pesticides as a commercial applicator?

A. 16 years old
B. 18 years old
C. 21 years old
D. No minimum age requirement

ANS: B
Explanation: Effective January 1, 2026, Iowa requires commercial, private, and
noncertified applicators to be at least 18 years old to apply restricted-use pesticides
(RUPs). Immediate family members aged 16+ may apply RUPs on the family farm under
direct supervision of a certified private applicator .


7. What is the term for the degree or extent to which a chemical or substance is
poisonous?

A. Toxicity
B. Hazard
C. Exposure
D. Risk

ANS: A
Explanation: Toxicity is the degree or extent to which a chemical or substance is
poisonous. Hazard combines toxicity with the likelihood of exposure. Risk is the
probability of harm occurring .


8. Which type of applicator applies pesticides on another person's property in
exchange for payment?

A. Private Applicator
B. Commercial Applicator
C. Public Applicator
D. Noncommercial Applicator

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ANS: B
Explanation: A Commercial Applicator is someone who applies pesticides on
another person's property in exchange for payment or as part of a commercial
business. Private applicators apply on their own land. Public applicators work for
government agencies. Noncommercial applicators apply on property they or their
employer own without charging others .


9. What does the signal word "DANGER" on a pesticide label indicate?

A. The product is slightly toxic
B. The product is moderately toxic
C. The product is highly toxic or causes irreversible eye/skin damage
D. The product requires special storage conditions

ANS: C
Explanation: The signal word "DANGER" indicates the pesticide is highly toxic
(Toxicity Category I) and may cause severe eye or skin damage. "DANGER—POISON"
with a skull and crossbones is used for the most acutely toxic products. "WARNING"
indicates moderate toxicity and "CAUTION" indicates slight toxicity .


10. What is the maximum civil penalty per violation for pesticide misuse by a private
applicator under Iowa Code 206.19?

A. $100
B. $250
C. $500
D. $1,000

ANS: C
Explanation: Under Iowa Code Section 206.19(5)(b), civil penalties of up to $500 per
offense may be assessed for pesticide misuse or noncompliance by either private or
commercial applicators .


11. Which federal law governs the establishment of pesticide tolerances for food
and feed products?