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Pathogens

Total questions: 20

Worksheet time: 21mins

Name
Class
Date
1.

Which pathogen is non-living?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Parasite/Protist

e)

They are all alive

2.

Which pathogen reproduces using binary fission (Asexual Reproduction)?

a)

Virus

b)

Bacteria

c)

Fungi

d)

Parasite/Protist

3.

Ticks are an example of this way of transmitting (spreading) disease

a)

Air-borne

b)

Vector

c)

Touching a surface

d)

Contaminated food or water

4.

Which pathogen has spores that are carried through the air?

a)

protist/parasite

b)

fungi

c)

bacteria

d)

virus

5.
Viruses reproduce themselves by...
a)
dividing into two identical copies
b)
causing cells to transform into viruses
c)
making host cells reproduce copies of the viruses
d)
planting eggs inside host organisms
6.
Which of the following statements about pathogens is true?
a)
A pathogen describes anything that causes illness or disease
b)
Pathogens are all microscopic
c)
All pathogens are transmitted through the air from host to host
d)
All pathogens cause cells to swell and burst
7.
Which of the following statements about pathogens is true?
a)
A pathogen describes anything that causes illness or disease
b)
Pathogens are all microscopic
c)
All pathogens are transmitted through the air from host to host
d)
All pathogens cause cells to swell and burst
8.

Which pathogen does NOT have DNA?

a)

fungi

b)

protist/parasite

c)

bacteria

d)

virus

e)

they all have DNA

9.
Vaccines work by...
a)
killing pathogens that are already infecting a host
b)
helping antibodies build immunity against a specific pathogen
c)
causing the body to expel pathogens faster than normal
d)
preventing a specific pathogen from entering the body
10.
which pathogen lives in or on a host?
a)
bacteria
b)
virus
c)
parasite
d)
fungus
11.
Which best describes the structure of a virus?
a)
a nucleic acid with a protein coat
b)
a prokaryotic cell
c)
a eukaryotic cell
d)
a unicellular organism
12.

A class of organisms that harm their host by producing toxins that interfere with normal body function.

a)

liverwarts

b)

Slime molds

c)

Bacteria

d)

Amoebas

13.

Ten people became sick with the flu after attending a school dance. What is the scenario that could best explain how the people got sick?

a)

contact with environmental sources

b)

contact with an infected animal

c)

contact with a contaminated object

d)

contact with an infected person

14.

How can the rate of an infectious disease be drastically reduced?

a)

by taking medication daily

b)

by preventing transmission between people

c)

by wearing clean clothing daily

d)

by performing dental hygiene three times each day

15.

The best way to prevent a viral infection is to

a)

take antibiotics

b)

take antiviral meds

c)

get a vaccination

d)

Stay away from sick people

16.

a class of organisms that feed primarily on dead material that can cause illness.

a)

fungi

b)

protozoas

c)

bacteria

17.
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
18.
Which best explains how a nonliving virus is able to reproduce?
a)
A virus becomes living when in contact with a host organism.
b)
A virus infects a host organism by injecting its DNA into the cells of the host organism.
c)
A virus infects a host organism by pulling the DNA from the cells of the host organism into itself.
d)
A virus becomes living when a sufficient number of viruses invade a host organism and cause an infection.
19.
What is a major difference between prokaryotic and eukaryotic cells?
a)
Eukaryotic cells are multicellular and Prokaryotic cells are unicellular.
b)
Eukaryotic cells have been on earth longer than Prokaryotic cells.
c)
Prokaryotic cells do not have a nucleus or membrane bound organelles
d)
Prokaryotic cells are bacteria and viruses that make you sick.
20.
Viruses are not considered living organisms even though they have several characteristics of living things.  What is the reason viruses are not considered alive?
a)
They are too small.
b)
A virus is a living organism.
c)
They need a host to reproduce.
d)
Viruses do not have DNA/genetic material.

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