Examination Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. What is the primary disease transmitted by mosquitoes in the
United States?
A. Lyme disease
B. West Nile virus
C. Rabies
D. Plague
Answer: B. West Nile virus
Rationale: West Nile virus is the most common mosquito-borne disease
in the U.S., primarily transmitted by Culex species.
2. Which mosquito stage is aquatic?
A. Adult
B. Egg only
,C. Larva and pupa
D. Egg and adult
Answer: C. Larva and pupa
Rationale: Mosquito larvae and pupae develop in water; adults are
terrestrial.
3. Mosquitoes undergo what type of metamorphosis?
A. Incomplete
B. Simple
C. Complete
D. Partial
Answer: C. Complete
Rationale: Mosquitoes pass through egg, larva, pupa, and adult stages.
4. Which genus is most associated with West Nile virus transmission?
A. Anopheles
B. Aedes
C. Culex
D. Mansonia
,Answer: C. Culex
Rationale: Culex mosquitoes are the primary vectors of West Nile virus.
5. Mosquito eggs laid in rafts are typically from which genus?
A. Aedes
B. Culex
C. Anopheles
D. Psorophora
Answer: B. Culex
Rationale: Culex species lay eggs in floating rafts.
6. Which mosquito species is known for transmitting dengue fever?
A. Culex pipiens
B. Aedes aegypti
C. Anopheles quadrimaculatus
D. Culiseta melanura
Answer: B. Aedes aegypti
Rationale: Aedes aegypti is the primary dengue vector worldwide.
, 7. Mosquito larvae are commonly called:
A. Wigglers
B. Crawlers
C. Swimmers
D. Floaters
Answer: A. Wigglers
Rationale: Larvae move in a characteristic “wiggling” motion.
8. Pupae of mosquitoes are commonly referred to as:
A. Crawlers
B. Tumblers
C. Wigglers
D. Divers
Answer: B. Tumblers
Rationale: Pupae are active and move in a tumbling motion.
9. Which is NOT a mosquito breeding site?
A. Stagnant water
B. Tree holes