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Foreign Invaders: Stages 3 & 4 Review

Total questions: 60

Worksheet time: 20mins

Name
Class
Date
1.

Biological contaminant that causes disease.

a)

pathogen

b)

hair

2.

Organism that must live in another living thing in order to survive.

a)

virus

b)

parasite

3.

Living substance so small that a microscope must be used to see it.

a)

microorganism

b)

contaminated food

4.

Microorganism that reproduces in the cells of other living things.

a)

virus

b)

bacteria

5.

an outbreak of a disease that affects many people in an area

a)

epidemic

b)

pandemic

c)

mutualism

d)

parasitism

6.

spreads over a large area or throughout the world

a)

pandemic

b)

epidemic

c)

parasite

7.

malaria is a common disease in many countries. what is the cause of this disease

a)

virus

b)

a bacterium

c)

a fungus

d)

a parasite

8.

which best compares bacteria and viruses

a)

bacteria are smaller than viruses

b)

Bacteria are living organisms, but viruses are not.This is a correct answer

c)

Bacteria have genetic material, but viruses do not.This is a wrong answer

9.

which would have the greatest impact on the spread of a pandemic

a)

wearing face masks

b)

restricting world travel

c)

eating only vegetables

10.

a small community had a recent outbreak of measles in unvaccinated families. What is this?

a)

an epidemic because it occurred in a single geographic area

b)

a pandemic because it occurred in a single geographic area

c)

a pandemic because families were affected by the disease

11.

which would be most effective in preventing the spread of many infectious diseases

a)

proper sanitation

b)

elimination of insects

c)

decreased use of disinfectants

d)

decrease in the rodent population

12.

bob went to the doctor to get a vaccination. against which he protecting himself from?

a)

bacterial infection

b)

broken leg

c)

high fever

d)

virus

13.

bob went to the doctor to get an antibiotic. against which he protecting himself from?

a)

bacterial infection

b)

broken leg

c)

high fever

d)

virus

14.

a deer tick feeds on a dog's blood. the dog suffers from loss of blood. which best describes this relationship?

a)

competition

b)

predatorism

c)

parasitism

d)

mutualism

15.

Which type of microbe is not a living thing?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

16.

Which type of microbe is the smallest?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

17.

Which type of microbe reproduces by causing a host cell to make more copies of it?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

18.

Which type of microbe can be prevented with vaccines?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

19.

Which type of microbe generally affects the skin?

a)

Bacteria

b)

Viruses

c)

Fungi

d)

Protists

20.

Which of the following is a virus?

a)

Influenza

b)

Malaria

c)

Strep throat

d)

Athlete's Foot

21.

Why should people wash their hands?

a)

To protect harmless bacteria

b)

To change viral and bacterial nucleic acids

c)

To release mutated cells from pores

d)

To remove viruses and bacteria from the skin

22.

Which contagion is correctly matched to the disease it causes?

a)

influenza - virus

b)

rabies - fungus

c)

polio - parasite

d)

chicken pox - bacteria

23.

Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?

a)

viruses

b)

parasites

c)

fungi

d)

bacteria

24.
Which best compares bacteria and viruses?
a)
bacteria are smaller than viruses
b)
bacteria cause disease, but viruses do not
c)
bacteria have genetic material, but viruses do not
d)
bacteria are living organisms, but viruses are not
25.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
26.

Which pathogen is non-living?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Parasite/Protist

e)

They are all alive

27.

Athlete's Foot is caused by:

a)

fungus

b)

bacteria

c)

parasite

d)

virus

28.

A microbe that can cause harm is known as a

a)

Pathogen

b)

Pathogon

c)

Virus

d)

Bacteria

29.
Cause of common cold and flu.
a)
Viruses
b)
Bacteria
c)
Reaction by the body to substances
30.
Which is not an infectious disease?
a)
Malaria
b)
diabetes
c)
food poisoning
d)
measles
31.
A Pathogen is a
a)
disease causing agent
b)
endospore
c)
bacteria
d)
virus
32.
True or False Jonas Salk developed the Polio Vaccine?
a)
True
b)
False
33.

Are larger in size

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

34.

Are single-cell organisms

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

35.

Contain genetic information in the form of DNA or RNA

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

36.

Come in a variety of shapes and sizes

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

37.

May have flagella or pili

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

38.

Reproduce on their own

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

39.
______________ helps us  digest our food and they produce needed vitamins.
a)
Bacteria
b)
Fungi
c)
Protozoa
d)
Algae
40.
The smallest microorganism on earth is known as  _____________
a)
a virus
b)
bacteria
c)
algae
d)
fungi
41.
Viruses can also be called ______________
a)
flagella
b)
parasites
c)
decomposers
d)
pathogens
42.

Which pathogen has spores that are carried through the air?

a)

protist/parasite

b)

fungi

c)

bacteria

d)

virus

43.

Which pathogen is treated with antibiotics?

a)

virus

b)

bacteria

c)

parasite

d)

fungi

44.

What is an illness caused by a virus, protist, fungi, or bacteria called?

a)

Gluteus maximus

b)

Pathogen

c)

sickle cell anemia

d)

Disease

45.
Which of the following diseases is NOT caused by a VIRUS?
a)
Measles
b)
Polio
c)
Chicken Pox
d)
Strep throat
46.

One of the reasons that viruses are nonliving is that they...

a)

Cannot reproduce by themselves

b)

Have no DNA or RNA

c)

overproduce too quickly to be attacked

47.
Which of the following only applies to viruses?
a)
Living
b)
Requires a host cell to replicate
c)
can be treated with antibiotics
48.
Bacteria can cause infections in: 
a)
People
b)
Animals
c)
Plants
d)
All of the above
49.
Where do bacteria live?
a)
only in water
b)
only inside living organisms
c)
only in the soil
d)
almost everywhere
50.

Living things that can only be seen using a microscope are called _______________________.

a)

yeast

b)

bacteria

c)

fungi

d)

micro-organisms

51.

An organism that lives on or in a host, and causes it harm while it takes its nutrients is called

a)

a host

b)

a parasite

c)

a cell

d)

a virus

52.

What is ring worm caused by?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Parasite

53.
True or False:
Influenza is an infectious disease?
a)
True
b)
False
54.
True or False:
Allergies are an infectious disease?
a)
True
b)
False
55.
Viruses are found in _____.
a)
air
b)
water
c)
soil
d)
all of these
56.

Which of the following are able and willing to infect humans?

a)

Bacteria

b)

Virus

c)

Parasites

d)

All of the above

57.

These pathogens can be killed with antibiotics and are single celled

a)

Bacteria

b)

Protozoa

c)

Fungi

d)

Parasites

58.

These pathogens grow best in warm and damp environments

a)

Bacteria

b)

Protozoa

c)

Fungi

d)

Parasites

59.

A disease on a world-wide scale is known as

a)

Epidemic

b)

Pandemic

c)

Endemic

d)

Sporadic

60.

A disease or condition regularly found among particular people or in a certain area.

a)

Endemic

b)

Epidemic

c)

Pathogen

d)

Pandemic

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