Oregon Category J Demonstration and
Research Pest Control Exam Questions and
Correct Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download Pdf
1. What is the primary purpose of a demonstration pesticide
application?
A. To eliminate all pests in a county
B. To show proper pesticide use techniques and evaluate products or
methods
C. To provide free pesticide treatments for homeowners
D. To increase pesticide sales only
Rationale: Demonstration applications educate users and evaluate
pest management methods under controlled conditions.
2. A research pesticide application is primarily conducted to:
A. Beautify landscapes
B. Collect scientific data under controlled conditions
,C. Increase crop yields immediately
D. Meet customer requests
Rationale: Research applications are designed to generate reliable
data for scientific evaluation.
3. Before conducting a research trial, the applicator should first:
A. Purchase more pesticide than needed
B. Ignore the pesticide label
C. Develop a written research protocol
D. Apply pesticides immediately
Rationale: A research protocol ensures consistency, safety, and
accurate data collection.
4. Which document is legally enforceable during pesticide
demonstrations?
A. Equipment warranty
B. Sales brochure
C. The pesticide label
D. Marketing flyer
Rationale: The pesticide label is a legal document governing pesticide
use.
5. The best method to reduce bias during research is to:
,A. Select only healthy plants
B. Use randomization and replication
C. Spray different rates without recording them
D. Change treatments daily
Rationale: Randomization and replication improve the validity of
research results.
6. Why is replication important in research?
A. It saves pesticide
B. It improves confidence in the results
C. It reduces recordkeeping
D. It eliminates weather effects completely
Rationale: Replication helps distinguish treatment effects from
natural variability.
7. What is the purpose of untreated control plots?
A. Increase pesticide use
B. Eliminate weeds
C. Provide a comparison for treated areas
D. Prevent drift
Rationale: Untreated controls show what happens without pesticide
treatment.
, 8. Which factor should remain consistent among treatment plots?
A. Applicator's opinion
B. Sales price
C. Environmental and management conditions whenever possible
D. Equipment color
Rationale: Consistent conditions improve the reliability of research
comparisons.
9. During a demonstration, personal protective equipment should
be:
A. Optional
B. Worn only if spectators are present
C. Used according to the pesticide label
D. Worn only while mixing pesticides
Rationale: PPE requirements are specified on the pesticide label and
must be followed.
10. Calibration of research equipment should occur:
A. Once every five years
B. Only after equipment failure
C. Before applications and periodically during use
D. Only when requested
Research Pest Control Exam Questions and
Correct Answers (Verified Answers) Plus
Rationale 2026 Q&A| Instant Download Pdf
1. What is the primary purpose of a demonstration pesticide
application?
A. To eliminate all pests in a county
B. To show proper pesticide use techniques and evaluate products or
methods
C. To provide free pesticide treatments for homeowners
D. To increase pesticide sales only
Rationale: Demonstration applications educate users and evaluate
pest management methods under controlled conditions.
2. A research pesticide application is primarily conducted to:
A. Beautify landscapes
B. Collect scientific data under controlled conditions
,C. Increase crop yields immediately
D. Meet customer requests
Rationale: Research applications are designed to generate reliable
data for scientific evaluation.
3. Before conducting a research trial, the applicator should first:
A. Purchase more pesticide than needed
B. Ignore the pesticide label
C. Develop a written research protocol
D. Apply pesticides immediately
Rationale: A research protocol ensures consistency, safety, and
accurate data collection.
4. Which document is legally enforceable during pesticide
demonstrations?
A. Equipment warranty
B. Sales brochure
C. The pesticide label
D. Marketing flyer
Rationale: The pesticide label is a legal document governing pesticide
use.
5. The best method to reduce bias during research is to:
,A. Select only healthy plants
B. Use randomization and replication
C. Spray different rates without recording them
D. Change treatments daily
Rationale: Randomization and replication improve the validity of
research results.
6. Why is replication important in research?
A. It saves pesticide
B. It improves confidence in the results
C. It reduces recordkeeping
D. It eliminates weather effects completely
Rationale: Replication helps distinguish treatment effects from
natural variability.
7. What is the purpose of untreated control plots?
A. Increase pesticide use
B. Eliminate weeds
C. Provide a comparison for treated areas
D. Prevent drift
Rationale: Untreated controls show what happens without pesticide
treatment.
, 8. Which factor should remain consistent among treatment plots?
A. Applicator's opinion
B. Sales price
C. Environmental and management conditions whenever possible
D. Equipment color
Rationale: Consistent conditions improve the reliability of research
comparisons.
9. During a demonstration, personal protective equipment should
be:
A. Optional
B. Worn only if spectators are present
C. Used according to the pesticide label
D. Worn only while mixing pesticides
Rationale: PPE requirements are specified on the pesticide label and
must be followed.
10. Calibration of research equipment should occur:
A. Once every five years
B. Only after equipment failure
C. Before applications and periodically during use
D. Only when requested
