Biology (Communicable Disease)

Question 1

4 types of pathogens?

Answer 1

Viruses, Bacteria, Fungi and Protists

Question 2

What is a communicable disease?

Answer 2

Diseases that can be spread by person to person or animal to animal.

Question 3

Are all microorganisms pathogens?

Answer 3

No

Question 4

How can communicable diseases be spread?

Answer 4

Air, Contact and Water

Question 5

What is the majority of communicable disease in people?

Answer 5

Bacteria and Viruses

Question 6

Are bacteria unicellular?

Answer 6

Yes

Question 7

What’s the name of the process when bacteria divides in two?

Answer 7

Binary Fission

Question 8

Are viruses true organisms?

Answer 8

No, they don’t have cellular structures, they are made from RNA/DNA strand enclosed in a protein coat.

Question 9

How do viruses infect a cell?

Answer 9

Multiply itself and replace the cell’s DNA to make new viruses.

Question 10

How can air transference be used to spread communicable diseases?

Answer 10

1) Coughing, sneezing or talking
(tiny droplets of pathogens when you sneeze, cough or talk)

Question 11

How can contact be used to spread communicable diseases?

Answer 11

1) STI /STDS /AIDS /HIV’s

Question 12

How can water be used to spread communicable diseases?

Answer 12

1) Certain conditions can make the water unsafe to drink
2) Contaminated water containing sewage.