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WorksheetsMicrobes Quiz
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
Which best compares bacteria and viruses?
a)
Bacteria are smaller than viruses.
b)
Bacteria cause disease, but viruses do not.
c)
Bacteria are living organisms, but viruses are not.
d)
Bacteria have genetic material, but viruses do not.
2.
Humans occasionally become infected with common colds and flu after flying on crowded airplanes. Which microscopic biological hazard is most likely responsible?
a)
food-borne bacteria
b)
airborne contagions
c)
vector-borne parasites
d)
environmental mutagens
3.
Why are viruses considered to be nonliving organisms?
a)
They do not have genetic information.
b)
They are not able to move on their own.
c)
They do not interact with their environment.
d)
They are not able to reproduce without a host cell.
4.
Which pair correctly matches a vector and the infectious disease it carries?
a)
human – influenza
b)
opossum – rabies
c)
mosquito – malaria
d)
flea – Lyme disease
5.
Under which condition is a person most likely to contract E. coli poisoning?
a)
eating burned food
b)
drinking bottled water
c)
eating undercooked beef
d)
eating undercooked vegetables
6.
Which makes it possible for a person who has recovered from a cold to catch another cold?
a)
A cold is a viral infection with many different strains.
b)
A cold is a bacterial infection that remains active in the body.
c)
A cold is a bacterial infection present only during the winter months.
d)
A cold is a viral infection that remains active until treated with antibiotics.
7.
The bacteria that causes bubonic plague is transmitted to humans by fleas. Which term best describes the role of the fleas in transmitting bubonic plague?
a)
decomposer
b)
parasite
c)
pathogen
d)
vector
8.
Which is the most effective defense against the chicken pox virus?
a)
antibiotics
b)
diet
c)
exercise
d)
vaccine
9.
Antibiotics would be least useful against which type of disease-causing organism?
a)
bacteria
b)
fungus
c)
parasite
d)
virus
10.
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.
11.
A woman gets sick with Lyme disease. Which was the most likely vector that infected her?
a)
a flea
b)
a deer tick
c)
a mosquito
d)
a cockroach
12.
Which practice contributes to the antibiotic resistance of bacteria?
a)
failing to cover open cuts
b)
taking only part of a prescribed antibiotic
c)
completing an entire antibiotic prescription
d)
storing medicine and antibiotic products improperly
13.
Which disease can be transmitted by casual contact between two individuals?
a)
influenza
b)
malaria
c)
kidney disease
d)
Lyme disease
14.
Which vector is associated with the West Nile virus?
a)
birds
b)
mosquitoes
c)
squirrels
d)
ticks
15.
What is the main purpose of hand sanitizer?
a)
to promote viral contamination
b)
to reduce the number of virus strands
c)
to increase cell production on one’s hands
d)
to decrease the bacteria found on one’s hands
16.
Which is most often used to destroy bacteria?
a)
fungus
b)
vitamin
c)
vaccine
d)
antibiotic
17.
For which disease would a doctor most likely prescribe an antibiotic?
a)
flu
b)
cold
c)
chickenpox
d)
strep throat
18.
How does the structure of a virus compare to that of a bacterium?
a)
They are both multicellular and living.
b)
They are both single-celled and nonliving.
c)
The virus is nonliving so it has no cells, whereas the bacterium is single-celled.
d)
The bacterium is nonliving, so it has no cells, whereas the virus is single-celled.
19.
Why do some antibiotics become ineffective over time?
a)
because they only kill certain viruses
b)
because they mutate before being used
c)
because they are overused for treatments
d)
because they only work for a few hours a day
20.
The human immunodeficiency virus (HIV) causes AIDS. The first known human cases AIDS were in Africa in the late 1950s. Since then, tens of millions of people have died from the disease, and tens of millions more people all over the world are infected. Which term best describes the disease AIDS?
a)
isolated cases
b)
outbreak
c)
epidemic
d)
pandemic
21.
Which is a distinction between an epidemic and a pandemic?
a)
the symptoms of the disease
b)
the geographical area affected
c)
the species of organisms infected
d)
the season in which the disease spreads
22.
A tapeworm lives in the intestines of its host. Which example best describes the relationship between the tapeworm and its host?
a)
The tapeworm benefits from its host; however, the host is not affected.
b)
The tapeworm does not benefit from its host, but the host does benefit.
c)
The tapeworm benefits from its host, and the host is negatively affected.
23.
Which helps humans to resist an infectious disease?
a)
heredity
b)
immunity
c)
pathogens
24.
Alan noticed that his foot itched between his toes after coming home from the gym. He now believes he may have contracted athlete’s foot. What type of pathogen most likely caused this possible infection of his foot?
a)
bacterium
b)
fungus
c)
virus
25.
Which organisms require a host cell to reproduce?
a)
protozoans
b)
bacteria
c)
viruses
26.
If a monkey is a vector for an infectious disease, whichbest describes how it transmits into the human population and becomes an epidemic?
a)
The monkey inhales contaminated drops from the air.
b)
The monkey bites a human.
c)
The monkey shares food.
27.
What is the most common method by which AIDS is spread?
a)
animal bites
b)
contaminated food
c)
shared body fluids
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