Examination Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which insect is a primary vector of malaria?
A. House fly
B. Cockroach
C. Anopheles mosquito
D. Flea
Rationale: Anopheles mosquitoes transmit Plasmodium parasites
responsible for malaria.
2. The term “vector” refers to:
A. A pesticide applicator
B. A resistant pest
,C. An organism that transmits disease agents
D. A food contaminant
Rationale: Vectors carry pathogens from one host to another.
3. Which pest is most associated with dysentery transmission?
A. Bed bug
B. Termite
C. House fly
D. Tick
Rationale: House flies spread bacteria that can cause dysentery.
4. Integrated Pest Management (IPM) primarily focuses on:
A. Total eradication of pests
B. Chemical-only control
C. Long-term prevention using multiple strategies
D. Increasing pesticide use
Rationale: IPM combines biological, cultural, mechanical, and chemical
methods.
,5. Cockroaches are most commonly controlled using:
A. Herbicides
B. Fungicides
C. Insect growth regulators and sanitation
D. Rodenticides
Rationale: Sanitation and IGRs are key in cockroach control.
6. The main disease spread by rats includes:
A. Malaria
B. Influenza
C. Leptospirosis
D. Dengue
Rationale: Rats can carry Leptospira bacteria causing leptospirosis.
7. Which is a sign of rodent infestation?
A. Webbing on walls
B. Droppings and gnaw marks
C. Honeycomb structures
D. Leaf damage
, Rationale: Rodents leave droppings and chew marks.
8. Mosquito larvae are commonly found in:
A. Dry soil
B. Air vents
C. Stagnant water
D. Tree bark
Rationale: Mosquitoes require standing water for breeding.
9. The best way to prevent mosquito breeding is:
A. Fogging only
B. Increasing humidity
C. Eliminating standing water
D. Using bait stations
Rationale: Source reduction is the most effective control.
10. Cockroaches are most active during:
A. Midday
B. Morning