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Exam (elaborations)

Oregon Category D Seed Treatment Pest Control Exam Questions and Correct Answers

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This Oregon Category D Seed Treatment Pest Control exam preparation guide provides structured practice questions and verified answers focused on safe and effective seed treatment practices in agricultural production. It covers seed-borne diseases and pests, treatment methods, pesticide formulations, application rates, seed handling and storage, calibration of treatment equipment, environmental safety, worker protection, and compliance with Oregon pesticide regulations. Designed for pesticide applicators and agricultural professionals seeking Category D certification in seed treatment pest control.

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OREGON CATEGORY D SEED TREATMENT PEST CONTROL
Course
OREGON CATEGORY D SEED TREATMENT PEST CONTROL

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OREGON CATEGORY D SEED TREATMENT PEST
CONTROL EXAM QUESTIONS AND CORRECT
ANSWERS (VERIFIED ANSWERS) Q&A 2027
INSTANT DOWNLOAD PDF
1.
What is the primary purpose of seed treatment pesticides?
A. Increase soil fertility
B. Protect seeds from pests and diseases
C. Speed up irrigation
D. Improve air circulation
Rationale: Seed treatments are designed to protect seeds and
seedlings from insects, fungi, and pathogens.
Correct Answer: B


2.
Which formulation is most commonly used for seed
treatment?
A. Dust
B. Granule
C. Slurry or liquid suspension
D. Gas
Rationale: Liquid slurry formulations coat seeds evenly and
ensure proper adhesion.
Correct Answer: C

,3.
A key risk of seed treatment chemicals is:
A. Increasing soil pH
B. Worker exposure during handling
C. Reducing rainfall
D. Increasing seed size
Rationale: Exposure during mixing, loading, and planting is a
major safety concern.
Correct Answer: B


4.
Which PPE is essential when handling treated seed?
A. Sandals
B. Gloves and respirator
C. Sunglasses only
D. None
Rationale: PPE protects against inhalation and dermal
exposure.
Correct Answer: B


5.
What does “treated seed must not be used for food or feed”
mean?

,A. It can be washed
B. It is toxic if consumed
C. It improves nutrition
D. It is organic
Rationale: Treated seeds contain toxic pesticides unsuitable for
consumption.
Correct Answer: B


6.
Which law regulates pesticide use in seed treatment in the
U.S.?
A. OSHA
B. FIFRA
C. FDA Act
D. DOT Act
Rationale: FIFRA regulates pesticide registration, use, and
labeling.
Correct Answer: B


7.
Seed treatment pesticides are applied primarily to:
A. Leaves
B. Soil

, C. Seeds
D. Water
Rationale: The treatment is directly applied to seeds before
planting.
Correct Answer: C


8.
What is “dust-off” in seed treatment?
A. Soil erosion
B. Pesticide particles released during handling
C. Water evaporation
D. Seed germination
Rationale: Dust-off refers to pesticide particles detaching from
treated seed.
Correct Answer: B


9.
Which hazard is associated with dust-off?
A. Improved germination
B. Airborne pesticide exposure
C. Soil enrichment
D. Seed swelling
Rationale: Dust can be inhaled or drift to non-target areas.
Correct Answer: B
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OREGON CATEGORY D SEED TREATMENT PEST CONTROL
Course
OREGON CATEGORY D SEED TREATMENT PEST CONTROL

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Uploaded on
July 6, 2026
Number of pages
41
Written in
2025/2026
Type
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