Pathogens and communicable diseases

Question 1

What is a pathogen?

Answer 1

A disease causing organism

Question 2

What are the 4 types of pathogen?

Answer 2

Bacteria, fungi, viruses and protoctista

Question 3

What is a disease?

Answer 3

A condition that impairs the normal functioning of an organism.

Question 4

What is a communicable disease?

Answer 4

A disease that can be spread between organisms

Question 5

What are the three bacterium?

Answer 5

TB
Bacterial meningitis
Ring Rot

Question 6

What are the 3 viruses?

Answer 6

HIV/AIDS
Influenza
Tobacco mosaic virus

Question 7

What are the 3 fungi?

Answer 7

Black sigatoka
Ringworm
Athlete’s foot

Question 8

What are the two protoctists?

Answer 8

Potato blight
Malaria

Question 9

What is direct transmission? How (3 ways)?

Answer 9

directly from one organism to another. Droplet infection (coughing/sneezing), sexual intercourse or touching.

Question 10

What is indirect transmission? How?

Answer 10

One organism to another via an intermediate. Air, water, food or vector.

Question 11

3 Factors affecting disease transmission?

Answer 11

Overcrowding, Climate and social factors (health, education)