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Bacteria Basics Quiz

Total questions: 18

Worksheet time: 36mins

Name
Class
Date
1.

Bacteria that live in extreme environments, and have no pepdidoglycan in their cell walls

a)

Archaebacteria

b)

Eubacteria

c)

Eukaryotae

d)

Saprophytes

2.

"Typical" bacteria (includes bacteria found in humans, and in the soil for example); their cell walls contain peptidoglycan

a)

Archaebacteria

b)

Eubacteria

c)

Eukaryotae

d)

Protozoa

3.

What is the gram reaction for these bacteria?

a)

positive

b)

negative

c)

these do not display a reaction

4.

Describe the bacteria in the slide

a)

coccus

b)

bacillus

c)

spirillum

d)

streptobacillus

5.

Describe the bacteria in the slide

a)

staphylococcus

b)

bacillus

c)

spirillum

d)

streptobacillus

6.

Which best describes this image?

a)

coccus

b)

staphylococcus

c)

gram +

d)

colonies

7.

Some bacteria are autotrophic.

a)

True

b)

False

8.

An example of heterotrophic bacteria is bacteria that decompose things.

a)

True

b)

False

9.

A tough layer that covers bacteria and protects it against harsh environments (like dryness)

a)

endospore

b)

envelope

c)

slime capsule

d)

pili

10.

What type of bacteria cause disease?

a)

parasitic

b)

Archaebacteria

c)

endosporillum

d)

all types

11.

When bacteria infect a human, what is it that harms the host?

a)

toxins

b)

the bacterial cell wall

c)

peptidoglycans

d)

the absorbtion of nutrients from the host

12.

Compounds that interrupt the growth or metabolism of bacteria

a)

exotoxins

b)

antibiotics

c)

interferons

d)

aspirin

13.

Most bacteria are pathogens

a)

True

b)

False

14.

What do bacteria need to grow? (check all that apply)

a)

warmth

b)

moisture

c)

food source

d)

agar

15.

Beef jerky is an example of a preserved food. What condition for bacterial growth has been taken away in beef jerky?

a)

warmth

b)

moisture

c)

food source

d)

sunlight

16.

Refrigeration is a way to preserve food. What condition for bacterial growth has been taken away in refrigeration?

a)

warmth

b)

moisture

c)

food source

d)

sunlight

17.

Bacterial reproduction in which two identical daughter cells result

a)

binary fission

b)

mitosis

c)

meiosis

d)

conjugation

18.

Antibiotics are effective against viruses

a)

True

b)

False