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?

Yellow fever Signup and view all the answers

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

kerosene Signup and view all the answers

Match the following diseases with their transmitting sources:

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

The Culex mosquito is responsible for spreading malaria.

False Signup and view all the answers

What is the nematode worm that causes elephantiasis?

Wuchereria Signup and view all the answers

What should be done to eliminate breeding places of mosquitoes?

Fill up small ponds and puddles Signup and view all the answers

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

clotting Signup and view all the answers

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

True Signup and view all the answers

Match the following disease carriers with the diseases they spread:

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

What step is important to prevent food contamination by houseflies?

Keep food well protected and covered Signup and view all the answers

What is an effective method to control adult mosquitoes?

Spraying DDT and other insecticides Signup and view all the answers

Rats simply carry food and do not spread any diseases.

False Signup and view all the answers

What is advised to control rat populations?

Trapping and using rat poisons Signup and view all the answers

What disease is NOT spread by the housefly?

Measles Signup and view all the answers

Houseflies can transfer germs through their legs and saliva.

True Signup and view all the answers

Name a method to prevent cholera in public places.

Ensuring clean drinking water supply Signup and view all the answers

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

diseases Signup and view all the answers

Match the disease to its transmission mechanism:

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

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

Covering public drains and garbage Signup and view all the answers

Pouring out saliva by the housefly contaminates food with germs.

True Signup and view all the answers

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

They should be thoroughly washed with soap and hot water. 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.