Delaware Category 2 — Agricultural
Animal Pest Control Examination
Questions and Answers [Verified Answers]
Plus Rationales
Question 1
What is the primary goal of agricultural animal pest control?
A. Protect livestock health and productivity
B. Eliminate all insects permanently
C. Increase pesticide use
D. Reduce animal feed intake
Answer: A. Protect livestock health and productivity
Rationale: The goal is to reduce pest impacts while maintaining animal
welfare and production efficiency.
Question 2
What is a common external pest of cattle?
A. Horn flies
B. Aphids
C. Mosquito larvae only
D. Earthworms
Answer: A. Horn flies
Rationale: Horn flies are major biting pests affecting cattle performance.
Question 3
,Where do horn flies typically spend most of their time?
A. On the host animal
B. In soil only
C. In water bodies
D. Inside barns only
Answer: A. On the host animal
Rationale: Horn flies remain on cattle almost continuously for feeding.
Question 4
What do horn flies feed on?
A. Blood
B. Plant sap
C. Soil nutrients
D. Dead tissue only
Answer: A. Blood
Rationale: Both male and female horn flies feed on blood.
Question 5
What is a major impact of heavy horn fly infestation?
A. Reduced weight gain in cattle
B. Increased milk production
C. Improved feed efficiency
D. Enhanced fertility
Answer: A. Reduced weight gain in cattle
,Rationale: Blood loss and irritation reduce animal performance.
Question 6
What is the primary control method for horn flies?
A. Integrated pest management
B. Irrigation only
C. Soil fertilization
D. Tree pruning
Answer: A. Integrated pest management
Rationale: IPM combines chemical, biological, and management strategies.
Question 7
What is a face fly?
A. A fly that feeds around cattle eyes and faces
B. A soil insect
C. A plant pest
D. A mosquito larva
Answer: A. A fly that feeds around cattle eyes and faces
Rationale: Face flies irritate animals and spread disease organisms.
Question 8
What disease can face flies help spread?
A. Pinkeye (infectious bovine keratoconjunctivitis)
B. Rabies
, C. Foot rot only
D. Anthrax only
Answer: A. Pinkeye (infectious bovine keratoconjunctivitis)
Rationale: Face flies transmit bacteria causing eye infections.
Question 9
What is the primary habitat for stable flies?
A. Decaying organic matter mixed with manure
B. Clean water only
C. Dry soil only
D. Tree bark
Answer: A. Decaying organic matter mixed with manure
Rationale: Stable flies breed in moist, decaying organic material.
Question 10
What is the bite of a stable fly like?
A. Painful and persistent
B. Completely painless
C. Only irritating to plants
D. Non-feeding bite
Answer: A. Painful and persistent
Rationale: Stable flies are aggressive blood feeders.
Question 11
Animal Pest Control Examination
Questions and Answers [Verified Answers]
Plus Rationales
Question 1
What is the primary goal of agricultural animal pest control?
A. Protect livestock health and productivity
B. Eliminate all insects permanently
C. Increase pesticide use
D. Reduce animal feed intake
Answer: A. Protect livestock health and productivity
Rationale: The goal is to reduce pest impacts while maintaining animal
welfare and production efficiency.
Question 2
What is a common external pest of cattle?
A. Horn flies
B. Aphids
C. Mosquito larvae only
D. Earthworms
Answer: A. Horn flies
Rationale: Horn flies are major biting pests affecting cattle performance.
Question 3
,Where do horn flies typically spend most of their time?
A. On the host animal
B. In soil only
C. In water bodies
D. Inside barns only
Answer: A. On the host animal
Rationale: Horn flies remain on cattle almost continuously for feeding.
Question 4
What do horn flies feed on?
A. Blood
B. Plant sap
C. Soil nutrients
D. Dead tissue only
Answer: A. Blood
Rationale: Both male and female horn flies feed on blood.
Question 5
What is a major impact of heavy horn fly infestation?
A. Reduced weight gain in cattle
B. Increased milk production
C. Improved feed efficiency
D. Enhanced fertility
Answer: A. Reduced weight gain in cattle
,Rationale: Blood loss and irritation reduce animal performance.
Question 6
What is the primary control method for horn flies?
A. Integrated pest management
B. Irrigation only
C. Soil fertilization
D. Tree pruning
Answer: A. Integrated pest management
Rationale: IPM combines chemical, biological, and management strategies.
Question 7
What is a face fly?
A. A fly that feeds around cattle eyes and faces
B. A soil insect
C. A plant pest
D. A mosquito larva
Answer: A. A fly that feeds around cattle eyes and faces
Rationale: Face flies irritate animals and spread disease organisms.
Question 8
What disease can face flies help spread?
A. Pinkeye (infectious bovine keratoconjunctivitis)
B. Rabies
, C. Foot rot only
D. Anthrax only
Answer: A. Pinkeye (infectious bovine keratoconjunctivitis)
Rationale: Face flies transmit bacteria causing eye infections.
Question 9
What is the primary habitat for stable flies?
A. Decaying organic matter mixed with manure
B. Clean water only
C. Dry soil only
D. Tree bark
Answer: A. Decaying organic matter mixed with manure
Rationale: Stable flies breed in moist, decaying organic material.
Question 10
What is the bite of a stable fly like?
A. Painful and persistent
B. Completely painless
C. Only irritating to plants
D. Non-feeding bite
Answer: A. Painful and persistent
Rationale: Stable flies are aggressive blood feeders.
Question 11
