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ePJJ BIO461 Quiz 2

Total questions: 20

Worksheet time: 12mins

Name
Class
Date
1.
What is the smallest pathogen?
a)
Virus
b)
Bacteria
c)
Fungus
d)
Tapeworm
2.
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)
Pathogen
c)
Parasite
d)
Vector
3.
A village has an outbreak of cholera. Which would be the easiest way for a neighboring village to prevent the cholera epidemic from spreading to their village?
a)
Develop a cholera vaccination.
b)
Quarantine all individuals infected with cholera.
c)
Avoid contaminated water, or treat contaminated water before drinking it.
d)
Restrict travel to other villages that are farther away.
4.
Which product would be most effective in preventing the spread of a cold virus?
a)
Hand soap
b)
Mouth Wash
c)
Cough Drops
d)
Antibiotic cream
5.

The major similarity between Domain Archaea and Domain Eubacteria is....

a)

all organisms are anaerobic

b)

species are considered extremophiles

c)

species are composed of prokaryotic cells

d)

all organisms can produce antibiotics

6.

What shape do these bacteria have?

a)

bacilli

b)

cocci

c)

spirilla

d)

plasmid

7.

Bacteria can cause disease by destroying living tissue.

a)

True

b)

False

8.

Autotrophic bacteria are those which ...

a)

Make their own food

b)

Are highly susceptible to penicillin

c)

Produce a blue-green pigment

d)

Obtain their food from the environment

9.

Which of the following groups consist of Gram positive bacteria?

a)

Proteobacteria

b)

Cyanobacteria

c)

Bacteroidetes

d)

Actinobacteria

10.

Which group of proteobacteria are able to thrive at low level of nutrients?

a)

alphaproteobacteria

b)

betaproteobacteria

c)

gammaproteobacteria

d)

deltaproteobacteria

e)

epsilonproteobacteria

11.

Rickettsia reproduces obligately in mammalian cells and are known as _____________.

a)

extracellular

b)

intercellular parasite

c)

intracellular parasite

12.

Acidothiobacilli, Bukholdria and Bordetella are examples of

a)

alpha proteobacteria

b)

beta proteobacteria

c)

gamma proteobacteria

d)

delta proteobacteria

e)

epsilon proteobacteria

13.

E. coli, Francisella and Pseudomonas are examples of

a)

alpha proteobacteria

b)

beta proteobacteria

c)

gamma proteobacteria

d)

epsilon proteobacteria

e)

delta proteobacteria

14.

Camphylobacter and Helicobacter are examples of

a)

alpha proteobacteria

b)

beta proteobacteria

c)

gamma proteobacteria

d)

delta proteobacteria

e)

epsilon proteobacteria

15.

Which of the following bacterial phyla is known for having a high cytosine and guanine content in their DNA?

a)

Firmacutes

b)

Actinobacteria

c)

Nonproteobacteria

d)

Alphaproteobacteria

16.

Clostridium botulinum is a large, endospore-forming bacteria. C. botulinum's genome is primarily made of adenine and thymine. What phyla does C. botulinum belong to?

a)

Firmicutes

b)

Actinobacteria

c)

Nonproteobacteria

d)

Proteobacteria

e)

Archaea

17.

In the scientific name Enterobacter aerogenes, Enterobacter is the

a)

kingdom.

b)

genus.

c)

specific epithet.

d)

family

e)

order.

18.

Which of the following photosynthetic bacteria carries out oxygenic photosynthesis and most likely altered Earth's atmosphere by significantly contributing to the accumulation of oxygen gas?

a)

Green nonsulfur bacteria such as Chloroflexus.

b)

Purple sulfur bacteria

c)

Cyanobacteria, such as Anabaena and Prochlorococcus

d)

Green sulfur bacteria such as Chlorobium

19.

Which of the following best describes the enterics, a bacterial group found primarily in the intestines of humans?

a)

facultatively anaerobic gram-negative rods

b)

endospore-forming rods

c)

gram-positive cocci

d)

gram-negative aerobic rods and cocci

e)

aerobic, helical bacteria

20.

Borrelia is classified as a spirochete because it

a)

is aerobic.

b)

possesses an axial filament.

c)

is transmitted by ticks.

d)

is a rod.

e)

is a pathogen.

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