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Unit 4 Review

Total questions: 12

Worksheet time: 6mins

Name
Class
Date
1.

An event in which a disease spreads to many

    regions of the world is called _______.

a)

an epidemic

b)

an outbreak

c)

a pandemic

d)

a pathogen

2.

A mosquito that transmits malaria from one 

    person to another is _______.

a)

bacterium

b)

a parasite

c)

an infection

d)

a vector

3.

Which of the following can reduce the spread of infectious diseases?

a)

taking medicine

b)

wearing clean clothes

c)

preventing transmission between people

d)

cleaning your teeth daily

4.

Why do doctors suggest that people get a flu

    vaccine each year?

a)

Viruses replicate more rapidly over time.

b)

Viruses can mutate from year to year.

c)

Vaccines are absorbed by the body after a year.

d)

Vaccines get stronger over time.

5.

Bacteria, viruses and parasites are similar in this way ______.

a)

They are all prokaryotes

b)

They all require a host to cause disease

c)

They are all eukaryotes

d)

They are all microorganisms

6.

What is the main difference between a pandemic and 

     an epidemic?

a)

Epidemic affect people around the world while pandemic 

     affect people in a small area.

b)

Epidemic affect people in the same area while pandemic 

     affect people in smaller areas.

c)

Epidemic and pandemic are the same.

d)

Epidemic affect people in a small area while pandemic 

     affect people around the world.

7.

Which is the best way to help prevent the flu

    from becoming pandemic?

a)

getting a vaccination

b)

taking antibiotics

c)

 eating fruits and vegetables

d)

washing hands often

8.

Which of these diseases can be treated with

    antibiotics?

a)

lyme disease

b)

the common cold

c)

influenza

d)

AIDS

9.

Which type of pathogen causes athlete’s

    foot?

a)

bacterium

b)

insect

c)

fungus

d)

virus

10.

Which of the following reproduces by 

      injecting its material into a host cell?

a)

parasite

b)

 virus

c)

 bacterium

d)

microorganisms

11.

Which of the following is non-living?

a)

parasite

b)

virus

c)

bacterium

d)

fungi

12.

Which of the following are decomposers?

a)

virus and bacteria

b)

bacteria and fungi

c)

parasites and fungi

d)

parasites and virus