New Hampshire Category D — Seed
Treatment Pest Control Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of seed treatment pesticides?
A. Increase seed size
B. Protect seeds from pests and diseases
C. Speed up irrigation
D. Change seed color
Correct Answer: B
Rationale: Seed treatments are applied to protect seeds and
seedlings from soil-borne pests and pathogens during early growth
stages.
2. Which type of pesticide is most commonly used in seed treatment?
A. Herbicides
B. Rodenticides
, C. Fungicides
D. Nematicides only
Correct Answer: C
Rationale: Fungicides are widely used in seed treatments to prevent
fungal infections such as damping-off.
3. What is a key advantage of seed treatment compared to foliar sprays?
A. Requires more water
B. Targets pests before germination
C. Increases pesticide drift
D. Works only on adult plants
Correct Answer: B
Rationale: Seed treatments protect seeds and seedlings before pests
can establish, offering early-stage protection.
4. Which pest is commonly controlled by seed treatment?
A. Aphids
B. Soil-borne fungi
C. Birds
D. Weeds after emergence
Correct Answer: B
Rationale: Seed treatments are especially effective against soil-borne
fungal pathogens.
5. What is the term for pesticide applied directly to seeds?
A. Broadcasting
, B. Seed dressing
C. Foliar spraying
D. Soil fumigation
Correct Answer: B
Rationale: Seed dressing refers to coating seeds with pesticide before
planting.
6. Which safety equipment is most important when handling seed
treatment chemicals?
A. Sunglasses
B. Respirator and gloves
C. Shorts and sandals
D. No protection needed
Correct Answer: B
Rationale: PPE such as gloves and respirators protect applicators
from chemical exposure.
7. What is a major risk of improperly treated seed?
A. Faster germination
B. Pest resistance development
C. Improved soil fertility
D. Increased rainfall
Correct Answer: B
Rationale: Misuse of pesticides can contribute to pest resistance over
time.
, 8. Which label section provides instructions for safe use?
A. Brand name
B. Directions for use
C. Marketing claims
D. Color code
Correct Answer: B
Rationale: The “Directions for Use” section outlines legal and safe
application practices.
9. What is phytotoxicity?
A. Pest resistance
B. Plant injury caused by chemicals
C. Seed germination
D. Soil moisture increase
Correct Answer: B
Rationale: Phytotoxicity occurs when chemicals damage plant
tissues.
10. Seed treatments are most effective when applied:
A. After harvest
B. Before planting
C. After flowering
D. During irrigation
Correct Answer: B
Treatment Pest Control Exam Practice
Questions And Correct Answers
(Verified Answers) Plus Rationales 2026
Q&A | Instant Download Pdf
1. What is the primary purpose of seed treatment pesticides?
A. Increase seed size
B. Protect seeds from pests and diseases
C. Speed up irrigation
D. Change seed color
Correct Answer: B
Rationale: Seed treatments are applied to protect seeds and
seedlings from soil-borne pests and pathogens during early growth
stages.
2. Which type of pesticide is most commonly used in seed treatment?
A. Herbicides
B. Rodenticides
, C. Fungicides
D. Nematicides only
Correct Answer: C
Rationale: Fungicides are widely used in seed treatments to prevent
fungal infections such as damping-off.
3. What is a key advantage of seed treatment compared to foliar sprays?
A. Requires more water
B. Targets pests before germination
C. Increases pesticide drift
D. Works only on adult plants
Correct Answer: B
Rationale: Seed treatments protect seeds and seedlings before pests
can establish, offering early-stage protection.
4. Which pest is commonly controlled by seed treatment?
A. Aphids
B. Soil-borne fungi
C. Birds
D. Weeds after emergence
Correct Answer: B
Rationale: Seed treatments are especially effective against soil-borne
fungal pathogens.
5. What is the term for pesticide applied directly to seeds?
A. Broadcasting
, B. Seed dressing
C. Foliar spraying
D. Soil fumigation
Correct Answer: B
Rationale: Seed dressing refers to coating seeds with pesticide before
planting.
6. Which safety equipment is most important when handling seed
treatment chemicals?
A. Sunglasses
B. Respirator and gloves
C. Shorts and sandals
D. No protection needed
Correct Answer: B
Rationale: PPE such as gloves and respirators protect applicators
from chemical exposure.
7. What is a major risk of improperly treated seed?
A. Faster germination
B. Pest resistance development
C. Improved soil fertility
D. Increased rainfall
Correct Answer: B
Rationale: Misuse of pesticides can contribute to pest resistance over
time.
, 8. Which label section provides instructions for safe use?
A. Brand name
B. Directions for use
C. Marketing claims
D. Color code
Correct Answer: B
Rationale: The “Directions for Use” section outlines legal and safe
application practices.
9. What is phytotoxicity?
A. Pest resistance
B. Plant injury caused by chemicals
C. Seed germination
D. Soil moisture increase
Correct Answer: B
Rationale: Phytotoxicity occurs when chemicals damage plant
tissues.
10. Seed treatments are most effective when applied:
A. After harvest
B. Before planting
C. After flowering
D. During irrigation
Correct Answer: B
