Mosquitoes and Disease Control
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Questions and Answers

Which method is NOT mentioned as a way to control houseflies?

  • Elimination of breeding places
  • Biological control with certain fish
  • Regular spraying of insecticides
  • Using traps with sticky substances (correct)
  • The Anopheles mosquito is known for spreading cholera.

    False

    What disease is associated with the germs of trachoma?

    Disease of the eyes

    Which of the following diseases is spread by the Aedes mosquito?

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

    Mosquito larvae can be killed by pouring _____ or some other greasy oil on stagnant water.

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

    Match the following diseases with their transmitting sources:

    <p>Malaria = Anopheles mosquito Trachoma = Housefly Gastroenteritis = Waterborne pathogens Plague = Rats</p> Signup and view all the answers

    The Culex mosquito is responsible for spreading malaria.

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

    What is the nematode worm that causes elephantiasis?

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

    What should be done to eliminate breeding places of mosquitoes?

    <p>Fill up small ponds and puddles</p> Signup and view all the answers

    The mosquito first injects its saliva into the skin to prevent __________.

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

    Spraying with DDT can help in controlling breeding places of houseflies.

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

    Match the following disease carriers with the diseases they spread:

    <p>Culex mosquito = Elephantiasis Aedes mosquito = Dengue Rats = Plague Anopheles mosquito = Malaria</p> Signup and view all the answers

    What step is important to prevent food contamination by houseflies?

    <p>Keep food well protected and covered</p> Signup and view all the answers

    What is an effective method to control adult mosquitoes?

    <p>Spraying DDT and other insecticides</p> Signup and view all the answers

    Rats simply carry food and do not spread any diseases.

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

    What is advised to control rat populations?

    <p>Trapping and using rat poisons</p> Signup and view all the answers

    What disease is NOT spread by the housefly?

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

    Houseflies can transfer germs through their legs and saliva.

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

    Name a method to prevent cholera in public places.

    <p>Ensuring clean drinking water supply</p> Signup and view all the answers

    The housefly is often designated as Public Enemy No. 1 due to its ability to spread _______.

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

    Match the disease to its transmission mechanism:

    <p>Dysentery = Contamination through dirty surfaces Cholera = Ingesting contaminated water Typhoid = Fecal-oral transmission Salmonella = Undercooked poultry products</p> Signup and view all the answers

    Which of the following is an effective control measure against rat pests?

    <p>Covering public drains and garbage</p> Signup and view all the answers

    Pouring out saliva by the housefly contaminates food with germs.

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

    What should be done to utensils to maintain cleanliness in food preparation areas?

    <p>They should be thoroughly washed with soap and hot water.</p> Signup and view all the answers

    Study Notes

    Mosquitoes and Diseases

    • Anopheles mosquito spreads malaria in humans, monkeys, and birds
    • Culex mosquito spreads elephantiasis (filariasis), caused by a nematode worm Wuchereria
    • Aedes mosquito spreads yellow fever and dengue, both caused by their respective viruses

    Mosquito Control

    • Spraying DDT and other insecticides on adult mosquitoes is an effective method of control
    • Eliminating breeding places by filling in small ponds and puddles
    • Spraying stagnant water with kerosene or other greasy oil to kill larvae and pupae
    • Introducing Gambusia fish into ponds to selectively devour mosquito larvae

    Rats and Diseases

    • Rats are a serious domestic pest that can spread diseases
    • Rat fleas can carry germs of plague, which was a serious epidemic in the early 20th century
    • Rat excreta contaminates food

    Houseflies and Diseases

    • Houseflies are considered a major public enemy due to the spread of diseases
    • They spread numerous diseases, including dysentery, cholera, typhoid
    • Houseflies pick up filth from dirty places and transfer germs to food
    • Houseflies contaminate food by sitting on it, rubbing their legs on themselves and over their bodies, and dropping particles of filth
    • Houseflies contaminate food by pouring out saliva and regurgitating food that they have swallowed from dirty places
    • Control of houseflies includes eliminating breeding places, spraying with DDT and other insecticides, and keeping food covered

    Public Health and Hygiene

    • Keep public places clean, including schools, offices, bathrooms, lavatories, cinema halls
    • Maintain clean eating places, such as hotels, restaurants, and roadside dhabas
    • Cover all eatables and wash utensils, cups, glass-tumblers, and spoons with soap and hot water
    • Cover all public drains and garbage and sprinkle disinfectants, such as bleaching powder and lime
    • Ensure the supply of clean germ-free drinking water and efficient sewage disposal

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    Description

    Explore the various diseases spread by mosquitoes, rats, and houseflies in this quiz. Learn about effective control methods for these pests and understand the public health implications of their presence. Test your knowledge on mosquito species, their associated diseases, and pest management strategies.

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