California Qualified Applicator Certificate –
Category K: Health-Related Pest Control
(QAC) Practice Exam Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which of the following pests is most commonly associated with
transmitting diseases to humans?
A. Ants
B. Rodents
C. Ladybugs
D. Butterflies
Rationale: Rodents are vectors for diseases such as hantavirus,
leptospirosis, and plague, making them a primary concern in health-
related pest control.
2. The main goal of an Integrated Pest Management (IPM) program is to:
A. Eliminate all pests immediately
, B. Reduce pest populations to acceptable levels using multiple
control methods
C. Use chemical pesticides exclusively
D. Rely solely on mechanical traps
Rationale: IPM emphasizes using a combination of methods (cultural,
biological, mechanical, and chemical) to manage pests safely and
effectively.
3. A licensed pest control applicator must always read and follow the
label because:
A. It is optional guidance
B. Labels contain general advice
C. The label is the law and provides specific instructions for safe and
effective use
D. Labels are only suggestions
Rationale: Pesticide labels are legally enforceable and dictate correct
application rates, safety measures, and target pests.
4. Which type of pesticide formulation is generally safer for use around
people and pets indoors?
A. Fumigant
B. Bait
C. Granule
D. Emulsifiable concentrate
, Rationale: Baits are targeted and minimize exposure to humans and
non-target animals compared to sprays or fumigants.
5. Which personal protective equipment (PPE) is most critical when
applying organophosphate insecticides?
A. Cotton gloves
B. Chemical-resistant gloves
C. Safety glasses
D. Hat
Rationale: Organophosphates are highly toxic, and chemical-
resistant gloves prevent skin absorption, which is a major route of
poisoning.
6. The best way to prevent structural infestations of rodents is to:
A. Use only rodenticide bait stations
B. Spray insecticides regularly
C. Seal all entry points and remove food sources
D. Use ultrasonic devices
Rationale: Exclusion and sanitation are key preventative measures
for rodent control; chemical treatments alone are insufficient.
7. Which insect is a common vector for transmitting Lyme disease?
A. Cockroach
B. Tick
C. Flea
D. Mosquito
, Rationale: Ticks, specifically the blacklegged or deer tick, are primary
vectors for Lyme disease.
8. Before applying a pesticide in a sensitive environment such as a
hospital, the applicator should:
A. Apply during peak patient hours
B. Notify staff and follow all safety protocols
C. Mix pesticides in patient rooms
D. Leave warning signs afterward only
Rationale: Safety in sensitive environments requires communication,
adherence to protocols, and minimizing exposure to patients and
staff.
9. Rodenticide baits should always be placed:
A. In open areas where children play
B. In tamper-resistant bait stations
C. On top of furniture
D. In food preparation areas
Rationale: Tamper-resistant bait stations prevent accidental
exposure of children, pets, and non-target animals.
10. Which is the most common health hazard associated with
cockroaches?
A. Biting humans
B. Triggering allergies and asthma
C. Spreading rabies
Category K: Health-Related Pest Control
(QAC) Practice Exam Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which of the following pests is most commonly associated with
transmitting diseases to humans?
A. Ants
B. Rodents
C. Ladybugs
D. Butterflies
Rationale: Rodents are vectors for diseases such as hantavirus,
leptospirosis, and plague, making them a primary concern in health-
related pest control.
2. The main goal of an Integrated Pest Management (IPM) program is to:
A. Eliminate all pests immediately
, B. Reduce pest populations to acceptable levels using multiple
control methods
C. Use chemical pesticides exclusively
D. Rely solely on mechanical traps
Rationale: IPM emphasizes using a combination of methods (cultural,
biological, mechanical, and chemical) to manage pests safely and
effectively.
3. A licensed pest control applicator must always read and follow the
label because:
A. It is optional guidance
B. Labels contain general advice
C. The label is the law and provides specific instructions for safe and
effective use
D. Labels are only suggestions
Rationale: Pesticide labels are legally enforceable and dictate correct
application rates, safety measures, and target pests.
4. Which type of pesticide formulation is generally safer for use around
people and pets indoors?
A. Fumigant
B. Bait
C. Granule
D. Emulsifiable concentrate
, Rationale: Baits are targeted and minimize exposure to humans and
non-target animals compared to sprays or fumigants.
5. Which personal protective equipment (PPE) is most critical when
applying organophosphate insecticides?
A. Cotton gloves
B. Chemical-resistant gloves
C. Safety glasses
D. Hat
Rationale: Organophosphates are highly toxic, and chemical-
resistant gloves prevent skin absorption, which is a major route of
poisoning.
6. The best way to prevent structural infestations of rodents is to:
A. Use only rodenticide bait stations
B. Spray insecticides regularly
C. Seal all entry points and remove food sources
D. Use ultrasonic devices
Rationale: Exclusion and sanitation are key preventative measures
for rodent control; chemical treatments alone are insufficient.
7. Which insect is a common vector for transmitting Lyme disease?
A. Cockroach
B. Tick
C. Flea
D. Mosquito
, Rationale: Ticks, specifically the blacklegged or deer tick, are primary
vectors for Lyme disease.
8. Before applying a pesticide in a sensitive environment such as a
hospital, the applicator should:
A. Apply during peak patient hours
B. Notify staff and follow all safety protocols
C. Mix pesticides in patient rooms
D. Leave warning signs afterward only
Rationale: Safety in sensitive environments requires communication,
adherence to protocols, and minimizing exposure to patients and
staff.
9. Rodenticide baits should always be placed:
A. In open areas where children play
B. In tamper-resistant bait stations
C. On top of furniture
D. In food preparation areas
Rationale: Tamper-resistant bait stations prevent accidental
exposure of children, pets, and non-target animals.
10. Which is the most common health hazard associated with
cockroaches?
A. Biting humans
B. Triggering allergies and asthma
C. Spreading rabies
