ISDA Idaho Pesticide Applicator Exam | Latest
Verified Questions and Detailed Answers
OVERVIEW DESCRIPTION:
This comprehensive set of multiple-choice questions is designed for the ISDA Idaho
Pesticide Applicator Exam, with a strong emphasis on Core Competency standards. The
questions cover Idaho-specific regulations (Title 22, Chapter 34), federal laws such as
FIFRA and the Worker Protection Standard, pesticide safety, environmental fate,
application methods, formulations, IPM principles, chemigation, and recordkeeping. Each
question follows a strict format: the question text, four answer choices, a single correct
answer, and a concise expert rationale to explain the underlying legal or scientific
reasoning.
QUESTION 1
A farmer who applies restricted-use pesticides to his own corn fields on land he rents is
classified as what type of applicator?
A) Professional Applicator
B) Private Applicator
C) Commercial Applicator
D) Public Operator
CORRECT ANSWER: B
EXPERT RATIONALE: A private applicator uses or supervises restricted-use pesticides to
produce agricultural commodities on property owned or rented by themselves or their
employer. A professional applicator applies pesticides on another's property for
compensation.
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QUESTION 2
What is the minimum age requirement to obtain a pesticide applicator license in Idaho?
A) 16 years old
B) 18 years old
C) 21 years old
D) No minimum age
CORRECT ANSWER: B
EXPERT RATIONALE: Idaho law explicitly requires that applicants for both private and
professional applicator licenses must be at least eighteen (18) years of age. This is a
codified requirement under Idaho Code 22-3404 .
QUESTION 3
What federal law primarily regulates the production, transport, sale, use, and disposal of
pesticides in the United States?
A) Clean Water Act
B) Food Quality Protection Act
C) FIFRA
D) Endangered Species Act
CORRECT ANSWER: C
EXPERT RATIONALE: The Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA) is
the primary federal law governing pesticide regulation. It provides the framework for
registering, labeling, and regulating all pesticides sold and used in the U.S. .
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QUESTION 4
Under FIFRA, what does Section 24(c) allow a state to do?
A) Register a pesticide for a special local need
B) Issue an emergency exemption for a pest with no controls
C) Regulate pesticide worker safety standards
D) Override federal labeling requirements
CORRECT ANSWER: A
EXPERT RATIONALE: FIFRA Section 24(c) permits states to register additional uses of
federally registered pesticides for special local needs, provided those needs are not
addressed by the federal label. Section 18 covers emergency exemptions .
QUESTION 5
The formula for determining pesticide risk is:
A) Hazard = Exposure + Toxicity
B) Risk = Exposure x Toxicity
C) Danger = Hazard / Exposure
D) Safety = Label x PPE
CORRECT ANSWER: B
EXPERT RATIONALE: Pesticide risk is the likelihood of harm, calculated as the function
of toxicity (how poisonous) multiplied by exposure (how much contact occurs).
Reducing either factor lowers risk .
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QUESTION 6
In addition to passing the exam, what must a professional applicator show to obtain a
license?
A) Proof of high school diploma
B) Proof of financial responsibility
C) Proof of 1,000 hours of field experience
D) Proof of residency in Idaho for 2 years
CORRECT ANSWER: B
EXPERT RATIONALE: Idaho Code 22-3404 requires that professional applicator
applicants must "show proof of financial responsibility as prescribed by rule." Failure to
maintain this coverage results in automatic license suspension .
QUESTION 7
What is the primary purpose of the federal Worker Protection Standard (WPS)?
A) To protect the environment from pesticide runoff
B) To reduce the risk of pesticide poisoning and injury among agricultural workers and
pesticide handlers
C) To ensure pesticides are only applied by certified individuals
D) To regulate the price of pesticides for farmworkers
CORRECT ANSWER: B