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Class 5 Science Communicable and Non-Communicable Diseases

Last updated on June 28th, 2023 at 09:17 pm

Class 5 Communicable and Non-Communicable Diseases

 

Get concise answers on communicable and non-communicable diseases, including their transmission, prevention, and common examples. Improve your knowledge on diseases today!

 

Q: What is a communicable disease?

A disease caused by microorganisms that can be spread from an infected person to another person through contact.

 

Q: Give examples of communicable diseases.

Influenza, measles, and malaria.

 

Q: What are deficiency diseases?

Diseases caused by inadequate intake of an essential nutrient in the diet.

 

Q: Name some non-communicable diseases.

Hypertension, diabetes, and cancer.

 

Q: Can germs cause disease just by entering the body?

No, germs need appropriate conditions, such as warmth, moisture, and a weakened immune system, to multiply and cause disease.

 

Q: What are some examples of communicable diseases?

Influenza, diphtheria, cholera, typhoid, and malaria.

 

Q: How are germs of communicable diseases typically transferred to healthy individuals?

Through air, water, food, insects, or physical contact with an infected person.

 

Q: What are vectors?

Organisms such as insects, mites, and ticks that transmit germs to humans and animals.

 

Q: What are some diseases spread by vectors?

Malaria, dysentery, cholera, and typhoid.

 

Q: How do insects become vectors of disease?

They pick up disease agents from dirty areas such as human foodstuffs, wastes, garbage, drains, and dirty water bodies.

 

Q: What are the three body parts of a mosquito?

Head, thorax, and abdomen.

 

Q: What is the proboscis of a mosquito used for?

It is an elongated, tubular and flexible mouthpart used by female mosquitoes for sucking blood.

 

Q: What diseases can be transmitted by mosquitoes?

Malaria, dengue, chikungunya, yellow fever, among others.

 

Q: How do mosquitoes transmit diseases to humans?

The germs causing the disease reproduce inside the mosquito and are then passed on to other humans when the mosquito bites them.

 

Q: How is malaria typically transmitted?

Through the bite of an infected Anopheles mosquito.

 

Q: What is the incubation period for the Plasmodium parasite in mosquitoes?

7 to 10 days.

 

Q: How does the Plasmodium parasite spread to humans?

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