Formative Practice 4.1 – Science Form 2 Chapter 4

Question 1:
What is meant by pathogen and vector?

Answer:
A pathogen is an organism that causes diseases. A vector is an organism that transmits pathogens from one host to another new host.

Question 2:
Give one example of disease caused by
(a) bacteria
(b) virus
(c) fungi

Answer:
(a) Cholera

(b) H1N1// Dengue

(c) Tinea// ringworm

Question 3:
Give two examples of infectious diseases and two examples of non-infectious diseases.

Answer:
Infectious diseases: SARS// H1N1// Tuberculosis// flu

Non-infectious diseases: Diabetes// high blood pressure// cancer

Question 4:
State three ways infectious diseases are spread.

Answer:
Infectious diseases are spread through vectors, and mediums such as water, air and through contact.