MICHIGAN MOSQUITO CONTROL 7F
CERTIFICATION FINAL EXAM
QUESTIONS AND ANSWERS
1. Which stage of the mosquito life cycle is commonly referred to as the ‘tumbler’ due to its
movement in water?
A. Egg
B. Pupa
C. Larva
D. Adult
Answer: B
Conceptual Explanation: The pupal stage is non-feeding and highly mobile, often called a
tumbler because of the way it swims when disturbed.
2. Mosquitoes undergo which type of metamorphosis?
A. Simple metamorphosis
B. Incomplete metamorphosis
C. Complete metamorphosis
,D. Gradual metamorphosis
Answer: C
Conceptual Explanation: Mosquitoes undergo complete metamorphosis, which includes
four distinct stages: egg, larva, pupa, and adult.
3. How many larval instars do mosquitoes typically progress through before pupating?
A. Four
B. Three
C. Two
D. Five
Answer: A
Conceptual Explanation: Mosquito larvae go through four distinct stages of growth called
instars, shedding their exoskeleton between each stage.
4. Which mosquito genus is characterized by larvae that lack a breathing siphon and lie
parallel to the water surface?
A. Anopheles
B. Aedes
C. Culex
D. Culiseta
, Answer: A
Conceptual Explanation: Anopheles larvae lack a respiratory siphon and must lie flat
against the surface film to breathe through spiracular plates.
5. What is the primary vector for Eastern Equine Encephalitis (EEE) in Michigan’s bird-to-bird
cycle?
A. Culex pipiens
B. Aedes vexans
C. Anopheles quadrimaculatus
D. Culiseta melanura
Answer: D
Conceptual Explanation: Culiseta melanura is the primary enzootic vector for EEE,
maintaining the virus in the wild bird population.
6. Which mosquito species is known as the ‘Northern House Mosquito’ and is a major vector
of West Nile Virus?
A. Coquillettidia perturbans
B. Aedes aegypti
C. Psorophora ciliata
D. Culex pipiens
Answer: D
CERTIFICATION FINAL EXAM
QUESTIONS AND ANSWERS
1. Which stage of the mosquito life cycle is commonly referred to as the ‘tumbler’ due to its
movement in water?
A. Egg
B. Pupa
C. Larva
D. Adult
Answer: B
Conceptual Explanation: The pupal stage is non-feeding and highly mobile, often called a
tumbler because of the way it swims when disturbed.
2. Mosquitoes undergo which type of metamorphosis?
A. Simple metamorphosis
B. Incomplete metamorphosis
C. Complete metamorphosis
,D. Gradual metamorphosis
Answer: C
Conceptual Explanation: Mosquitoes undergo complete metamorphosis, which includes
four distinct stages: egg, larva, pupa, and adult.
3. How many larval instars do mosquitoes typically progress through before pupating?
A. Four
B. Three
C. Two
D. Five
Answer: A
Conceptual Explanation: Mosquito larvae go through four distinct stages of growth called
instars, shedding their exoskeleton between each stage.
4. Which mosquito genus is characterized by larvae that lack a breathing siphon and lie
parallel to the water surface?
A. Anopheles
B. Aedes
C. Culex
D. Culiseta
, Answer: A
Conceptual Explanation: Anopheles larvae lack a respiratory siphon and must lie flat
against the surface film to breathe through spiracular plates.
5. What is the primary vector for Eastern Equine Encephalitis (EEE) in Michigan’s bird-to-bird
cycle?
A. Culex pipiens
B. Aedes vexans
C. Anopheles quadrimaculatus
D. Culiseta melanura
Answer: D
Conceptual Explanation: Culiseta melanura is the primary enzootic vector for EEE,
maintaining the virus in the wild bird population.
6. Which mosquito species is known as the ‘Northern House Mosquito’ and is a major vector
of West Nile Virus?
A. Coquillettidia perturbans
B. Aedes aegypti
C. Psorophora ciliata
D. Culex pipiens
Answer: D
