Life Cycle of Mosquitoes
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Questions and Answers

What type of metamorphosis do mosquitoes undergo?

  • Incomplete metamorphosis
  • Partial metamorphosis
  • Complete metamorphosis (correct)
  • No metamorphosis
  • Why is a blood meal necessary for female mosquitoes?

  • To become fertile
  • To produce eggs (correct)
  • To undergo metamorphosis
  • To lay eggs
  • How long does it take for a female mosquito to begin laying eggs?

  • A week (correct)
  • A month
  • A few days
  • Several weeks
  • What is the purpose of the fertilized female mosquito's first action?

    <p>To obtain a blood meal</p> Signup and view all the answers

    What happens immediately after a female mosquito receives a blood meal?

    <p>It starts to produce eggs</p> Signup and view all the answers

    Which disease is NOT transmitted by Culex mosquitoes?

    <p>Yellow fever</p> Signup and view all the answers

    What is the primary vector of filariasis in humans?

    <p>Culex mosquitoes</p> Signup and view all the answers

    Which of the following viruses is NOT associated with Culex mosquitoes?

    <p>Dengue fever virus</p> Signup and view all the answers

    What disease is transmitted by Aedes mosquitoes?

    <p>Dengue fever</p> Signup and view all the answers

    Which mosquito species is responsible for transmitting filariasis in humans?

    <p>Culex mosquitoes</p> Signup and view all the answers

    What type of mosquito is being described?

    <p>Domestic mosquito</p> Signup and view all the answers

    Where can this mosquito breed?

    <p>In water tanks, barrels, latrines, and deep wells</p> Signup and view all the answers

    What is the preferred biting time of this mosquito?

    <p>During the day</p> Signup and view all the answers

    Which of the following is NOT a breeding site for this mosquito?

    <p>Rivers</p> Signup and view all the answers

    What can be said about the breeding sites of this mosquito?

    <p>They can be found in various types of containers</p> Signup and view all the answers

    What is the purpose of the fly's vomit?

    <p>To dissolve sweet food for further consumption</p> Signup and view all the answers

    What fills up as the fly sucks fluids?

    <p>Its diverticulum</p> Signup and view all the answers

    Why does the fly drop on sweet food?

    <p>To vomit and dissolve the food</p> Signup and view all the answers

    What happens when the fly's diverticulum becomes filled?

    <p>The fly vomits</p> Signup and view all the answers

    What does the fly do after vomiting on sweet food?

    <p>It sucks the dissolved food again</p> Signup and view all the answers

    What is the primary difference between anthropophilic and zoophilic mosquitoes?

    <p>Their preference for human or animal blood</p> Signup and view all the answers

    What type of barriers are effective against zoophilic mosquitoes?

    <p>Animal barriers</p> Signup and view all the answers

    Why may anthropophilic mosquitoes not be controlled by animal barriers?

    <p>They are not attracted to animals</p> Signup and view all the answers

    What could happen if anthropophilic mosquitoes are attracted to animals rather than humans?

    <p>They would be more likely to be controlled by animal barriers</p> Signup and view all the answers

    What is a characteristic of zoophilic mosquitoes that distinguishes them from anthropophilic mosquitoes?

    <p>They feed on animal blood</p> Signup and view all the answers

    Study Notes

    Life Cycle of Mosquitoes

    • Mosquitoes undergo complete metamorphosis, requiring a blood meal before egg laying
    • Female mosquitoes begin laying eggs within a week after mating
    • Domestic mosquitoes can breed in:
      • Zeers (water tanks)
      • Barrels
      • Latrines
      • Deep wells
      • Sakias

    Culex Mosquitoes

    • Transmitters of diseases:
      • Filaria of man (Wuchereria bancrofti)
      • Rift valley fever
      • Encephalitis virus
      • Yellow fever
      • Dengue fever
    • Prefer to bite during the day

    Aedes Mosquitoes

    • Transmitters of diseases:
      • Filaria of man (Wuchereria bancrofti)

    Mosquito Feeding Habits

    • Anthropophilic mosquitoes (feeding only on human blood):
      • Not controlled by animal barriers
      • Attracted to humans rather than animals
    • Zoophilic mosquitoes (feeding on animal blood):
      • Can be controlled by animal barriers
    • Vomit drop process:
      • Flies suck fluids until their diverticulum becomes filled
      • When they drop on sweet food, they vomit fluids to dissolve it and suck it again

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    Description

    Learn about the life cycle of mosquitoes, including their complete metamorphosis and the female's need for a blood meal before laying eggs.

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