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Microbiology Unit

Total questions: 139

Worksheet time: 3hrs 49mins

Name
Class
Date
1.
Living cell in which a virus can actively multiply.
a)
host cell
b)
microbe
c)
infection
d)
fungi
2.
Which is the BEST way to help prevent the flu virus from becoming a pandemic?
a)
sleeping 8 hours a night
b)
taking antibiotics
c)
getting a vaccination
d)
eating fruits and vegetables
3.
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
4.
Which is the most effective defense against the chicken pox virus?
a)
antibiotics
b)
diet
c)
exercise
d)
vaccine
5.
Why do doctors suggest that people get a flu vaccine each year?
a)
viruses replicate more rapidly over time
b)
viruses can mutate from year to year
c)
vaccines are absorbed by the body after a year
d)
vaccines get stronger over time
6.
Which disease is correctly paired with the cause of the disease?
a)
athlete's foot - fungi
b)
malaria - viruses
c)
influenza - bacteria
d)
pneumonia - protists
7.
Which BEST represents bacterial cells belonging to the bacillus group? Pick the correct letter.
a)
A
b)
B
c)
C
d)
D
8.
Eukaryotes that have cell walls, are heterotrophs, and use spores to reproduce are called:
a)
bacteria
b)
fungi
c)
viruses
d)
eugelena
9.

Our bodies are suitable for microbial growth because they are warm and nutrient rich.

a)

True

b)

False

c)

Need More Information

d)

I don't know

10.
Which is the easiest way for a person to prevent microbial infections?
a)
Avoid contact with animals.
b)
Isolate themselves at home.
c)
Sterilize everything in the home.
d)
Wash hands frequently with hot water and soap.
11.
Given favorable conditions, which disease-causing agent could quickly multiply into colonies of billions of cells in the space of a drop of water?
a)
bacteria
b)
fungi
c)
protists
d)
viruses
12.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
13.
How does a virus cause a person to develop the common cold?
a)
invades the host cell to reproduce
b)
removes energy from the host cell
c)
produces toxins in the host cell
d)
protects the host cell from bacteria
14.
A virus can be classified by its type of
a)
mitochondria
b)
chromosomes
c)
nucleic acid
d)
carbohydrates
15.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
16.
When a virus invades a living cell, its _______
takes over the cell's functions.
a)
outer coat
b)
genetic material
c)
core
d)
cytoplasm
17.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
18.
True or False
The flu is caused by a virus.
a)
true
b)
false
19.
Antibiotics kill viruses
a)
True
b)
False
20.
What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
a)
tail
b)
nucleus
c)
capsid
d)
glycoprotein
21.
Which viral life cycle kills its host cell by lysing?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
22.
Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
23.
Which of these is an animal virus?
a)
Tobacco mosaic virus
b)
bacteriophage
c)
influenza
24.
Which of these is a plant virus?
a)
tobacco mosaic virus
b)
bacteriophage
c)
influenza
d)
polio
25.
Is a virus considered living or non-living?
a)
Living
b)
Non-Living
c)
Neither
26.
What is a host?
a)
Organism that lives on the cell and causes it harm 
b)
Something that causes harm to the cell 
c)
Cell that the virus invades and takes over
27.
Why do scientists classify viruses as non-living?
a)
They DO respond to a stimulus
b)
They need a host's energy because they do not have their own energy 
c)
They produce wastes
d)
They are really small 
28.
Which is not a shape that viruses can come in?
a)
Round
b)
Triangle
c)
Bacteriophage
d)
Threadlike 
29.
What is the first step of the virus reproduction cycle?
a)
The viruses genetic material (DNA) starts to take over the functions of the cell
b)
The host cell bursts open, releasing the new viruses
c)
The virus injects its genetic material into the cell
d)
A virus attaches to the surface of a host cell
30.
Which is bigger, a bacteria or a virus?
a)
Bacteria
b)
Virus
31.
Most bacteria are surrounded by a strong structure that acts like a shield for the virus called the…?
a)
Cell Wall
b)
Cell Membrane
c)
Protein Coat
32.
Which can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Mutagen
d)
Parasite
33.
What do viruses have in common with living cells? They both...
a)
store genetic information
b)
have chloroplasts
c)
use glucose for cellular respiration
d)
have endoplasmic reticulum
34.
Which type of protist is shown in the picture?
a)
euglena
b)
paramecium
c)
amoeba
d)
eukaryotic
35.
Which type of protist is shown in the picture?
a)
euglena
b)
paramecium
c)
amoeba
d)
prokaryotic
36.
Which type of protist is shown in the picture?
a)
euglena
b)
paramecium
c)
amoeba
d)
autotroph
37.
What is the name for an organism that can produce its own food?
a)
heterotroph
b)
autotroph
c)
amoeba
d)
eukaryotic
38.
What is the name of an organism that cannot produce its own food and must get it from another source?
a)
prokaryotic
b)
eukaryotic
c)
autotroph
d)
heterotroph
39.
How are protists different than bacteria?
a)
Protists are eukaryotic and bacteria are prokaryotic
b)
Protists are prokaryotic and bacteria are eukaryotic
c)
There is no difference; protists and bacteria are the same thing
d)
Protists are always unicellular and bacteria are always multicellular
40.
Which of the following is true ALL organisms in the protist kingdom?
a)
They are multicellular
b)
They live in moist environments
c)
They move using cilia
d)
They move using flagella
41.
What is the name of the structure shown in the model?
a)
cilia
b)
flagella
c)
amoeba
d)
pseudopod 
42.
Which of the following is NOT a function of the cilia?
a)
to sweep food into the paramecium's "mouth"
b)
to allow the paramecium to move
c)
to secrete poison to kill predators
d)
to trap food
43.
Which of the following is the best model for cilia?
a)
A
b)
B
c)
C
d)
D
44.
A pseudopod literally means...
a)
small hair
b)
long tail
c)
no nucleus
d)
false foot
45.

How does an amoeba move?

a)

It uses cilia.

b)

It uses a flagellum.

c)

It uses pseudopods.

d)

It cannot move.

46.

Which organelle functions to remove excess water in many protists?

a)

micronucleus

b)

contractile vacuole

c)

food vacuole

d)

oral groove

47.

Identify the contractile vacuole.

a)

Structure 1

b)

Structure 3

c)

Structure 4

d)

Structure 5

e)

Structure 6

48.

Which structure is an adaptation for movement?

a)

Structure A

b)

Structure B

c)

Structure C

d)

Structure D

e)

Structure E

49.

Identify the eyespot.

a)

Structure A

b)

Structure B

c)

Structure C

d)

Structure D

e)

Structure E

50.

Which organelles found in algae are the sites of photosynthesis?

a)

eyespots

b)

mitochondria

c)

chloroplasts

d)

contractile vacuoles

51.

In which domain of life are protists found?

a)

Eukarya

b)

Bacteria

c)

Archaea

52.
Reproduction without the use of sex cells is called what? 
a)
Sexual Repoduction
b)
Asexual Reporduction
53.
Fission, budding, and regeneration are all examples of what kind of reproduction? 
a)
Asexual Reproduction 
b)
Sexual Reproduction 
54.
Conjugation is what type of reproduction?  
a)
Sexual Reproduction 
b)
Asexual Reproduction 
55.
How are protist classified? 
a)
How the eat
b)
How they reproduce 
c)
Where they live
d)
How they move
56.
What is another name for an animal-like protist?
a)
protozoa
b)
algae
c)
fungus
d)
mold
57.
Plant-like protists are collectively called
a)
protozoans
b)
algae
c)
diatoms
d)
flagella
58.
Amoeba and Paramecium are all examples of 
a)
animal-like protists
b)
plant-like protists
c)
fungus-like protists 
59.
Euglena are an example of 
a)
plant-like protists
b)
animal-like protists
c)
fungus-like protists
60.
If you wanted to find a colony of protists, where might you look?
a)
Forest
b)
Desert
c)
Mountain
d)
Pond
61.
What do all protists have in common?
a)
Their cells have nuclei
b)
They can make their own food through photosynthesis
c)
They live in saltwater environments
d)
They are multicellular
62.
Downy mildew and water mold can both be classified as:
a)
Parasites
b)
Protozoans
c)
Psuedopods
d)
Plant-like protists
63.
Which of the following is an example of a fungus-like protist?
a)
algae
b)
amoeba
c)
slime mold
d)
flagellate
64.

What characteristic do all algae share?

a)

They are autotrophs.

b)

They live in colonies.

c)

They are unicellular.

65.

How are fungus-like protists similar to fungi?

a)

They do not have cell walls.

b)

They are unable to move.

c)

Most use spores to reproduce.

66.

Slime molds are one type of?

a)

Animal-like protist

b)

Fungus-like protist

c)

Plant-like protist

67.
Which is an example of a disease caused by fungi
a)
Diphtheria
b)
The Common Cold
c)
Strep Throat
d)
Athlete's Foot
68.
What do fungi use to reproduce?
a)
Hyphae
b)
Branches
c)
Spores
d)
They split apart
69.
Fungi produce spores in
a)
Hyphae
b)
Orange peels
c)
Fruiting bodies
d)
Sigotrophs
70.
Most fungi are eukaryotes.
a)
True
b)
Fales
71.
Most fungi are heterotrophs.
a)
True
b)
Fales
72.
Fungi are decomposers
a)
True
b)
False
73.
The best environment for fungi is...
a)
Cool and damp
b)
Warm and dry
c)
Cool and dry
d)
Warm and moist
74.
What is a Hyphae?
a)
Part of a fungi where spores are made
b)
Part of a fungi used for reproduction
c)
Part of a fungi used for obtaining food
d)
Part of a fungi used for movement
75.
What are some examples of food made by fungi
a)
Bread
b)
Cheese
c)
Mushrooms
d)
All of the above
76.
Which are examples of fungi?
a)
mold
b)
yeast
c)
mushrooms
d)
all of the above
77.
What part of a fungus is described as long, thread-like structures that absorb nutrients?
a)
roots
b)
fruit body
c)
hyphae
d)
spores
78.
Fungi are like animals because...
a)
they all reproduce sexually.
b)
they get their food from other organisms.
c)
they can move from one place to another.
d)
They are not like animals.
79.
What part of a fungus is used for reproduction?
a)
spores
b)
flagellum
c)
cilia
d)
hyphae
80.
What type of asexual reproduction involves an offspring that grows off it's parent's body and eventually breaks off?
a)
Budding
b)
Pollination
c)
Mycelium
d)
Spores
81.
What are some bad effects of fungi?
a)
Athletes Foot
b)
Ringworm
c)
Mushroom's produce deadly poison
d)
All of the above
82.
What vocabulary word describes the breaking off of dead things and recycling it's nutrients through the food chain?
a)
Symbiosis
b)
Decomposing
c)
Budding
d)
Mycelium
83.
How can humans benefit from fungi?
a)
 Eats the bacteria in their yards.
b)
Makes pretty flower-like structures.
c)
Used dish soaps
d)
Used in antibiotics
84.
A collective mass of hyphae are referred to as ____________
a)
parasitic
b)
fruiting
c)
mycelium
d)
spores
85.
Mold is classified into which of the following kingdoms?
a)
plantae
b)
fungi
c)
protista
d)
bacteria
86.
All of the following are examples of fungi except one.  Which of the following is NOT a type of fungus?
a)
yeast
b)
mold
c)
mushroom
d)
algae
87.
__________ are fungi that produce the gas that makes bread rise.
a)
mushrooms
b)
athlete's foot
c)
blue cheese
d)
yeast
88.
Any method of reproducing that create offspring identical to the single parent. 
a)
asexual
b)
budding
c)
sexual
d)
sporogenesis
89.
What term is used for fungi that feed on living organisms but cause harm to the organism?
a)
Saprophytic
b)
Parasitic
c)
Cilia
d)
ymbiotic
90.

Which fungus is unicellular?

a)

toadstool

b)

yeast

c)

mushroom

d)

mucor (mould)

91.

What is the fugal cell wall made from?

a)

Cellulose

b)

Sugar and protein

c)

Chitin

92.

Which is not true about fungi?

a)

All are consumers

b)

All are multicellular

c)

Are eukaryotic

d)

Can be useful to humans

93.

Fungi are like plants in many ways except fungi

a)

Do not have cellulose

b)

Do not grow upward out of the soil

c)

Cannot make their own food

d)

Do not have eukaryotic cells

94.

How do fungi feed?

a)

Photosynthesis

b)

Saprotrophic nutrition (external digestion)

c)

Decomposers

d)

Consumers (internal digestion)

95.

a strong, flexible polysaccharide that is found in the cell walls of all fungi and in the exoskeletons of insects and crustaceans.

a)

chitin

b)

fruiting body

c)

hyphase

d)

mycelium

96.

spore-producing fungal reproductive structure

a)

chitin

b)

fruiting body

c)

hyphase

d)

mycelium

97.

Fungi obtain energy

a)

Directly from the sun

b)

From inorganic (unnatural) materials in their environment

c)

By absorbing organic (natural) materials

d)

From nuclear fusion

98.

A haploid reproductive cell with a hard outer coat. Can develop into a new organism with out the fusion of gametes.

a)

septa

b)

haustoria

c)

spore

d)

sporangium

99.
An antibiotic made from a species of thread-like fungus.
a)
lichen
b)
mold
c)
penicillin
d)
asprin
100.
A small offspring organism forms as part of the yeast cell and eventually breaks off and becomes a separate organism
a)
Budding
b)
Spores
c)
Sexual Reproduction
d)
None of these
101.

Which is NOT a characteristic of bacteria?

a)

single-celled

b)

prokaryotic (no nucleus)

c)

decomposer

d)

multi-celled

102.

Bacteria divides into two identical cells through the process of....

a)

sexual reproduction

b)

asexual reproduction

c)

spore production

103.

What do we call an environment free of bacteria?

a)

infected

b)

empty

c)

sterile

d)

clean

104.

Bacteria are found in many different shapes. What are the 3 most common shapes of bacteria.

a)

rod, sphere, spiral

b)

square sphere, spiral

c)

spiral, rectangle, sphere

105.

What's the difference between archaea and bacteria?

a)

There is no difference.

b)

Archaea is single celled and bacteria is multi-celled.

c)

Archaea is less common and bacteria is found everywhere

106.

Bacteria, along with having its main chromosome, has small circular pieces of DNA. What are these small pieces of DNA called?

a)

Plasmids

b)

Nucleoid

c)

Ribosome

d)

Flagellum

107.

The prefix "halo" such as in halophile most likely means...

a)

Salt

b)

High temperatures

c)

Self-serving

d)

Gram

108.

What kind of Archaea would you find in places such as volcanoes and hot vents on the ocean floor?

a)

Thermophiles

b)

Halophiles

c)

Cyanobacteria

d)

Plasmophiles

e)

Volcanophiles

109.

What does the suffix "troph" indicate?

a)

How a creature acquires its energy

b)

What kind of temperature a creature prefers

c)

Whether its gram positive or negative

d)

Whether its an Archaea or not

110.

Can bacteria be photosynthetic?

a)

Yes, like cyanobacteria

b)

No, there are no phototrophic bacteria

111.

Which of the following terms describes this group of creatures: slime molds, diatoms, red algae.

a)

Protists

b)

Archaea

c)

Bacteria

d)

Methanogens

112.

Which of the following groups of organisms are all chemotrophs?

a)

Cyanobacteria

b)

Methanogens

c)

Slime molds

d)

Red algae

113.

The Dead Sea is a large salt lake bording Jordan and Israel. It has a salt concentration of 34.2%, which is too hypertonic for most life. What life might still survive and thrive there?

a)

Halophiles

b)

Thermophiles

c)

Heterotrophs

d)

Cyanobacteria

114.

What is the difference between Gram positive bacteria and Gram negative bacteria?

a)

How their cell walls are set-up

b)

How long their flagellas are

c)

Whether they have a nucleus or not

d)

The rRNA composition of their ribosomes

115.

Peptidoglycan is the main structural compound found in the cell walls of what kinds of creatures?

a)

Slime molds

b)

Bacteria

c)

Algae

d)

Archaea

116.

How would a scientist describe the cell walls of Archaea?

a)

Weird compositions of lipids

b)

95% peptidoglycan

c)

Mostly composed of chitin

d)

Does not have a cell wall

117.

the Gram-positive bacteria stain purple because

a)

they form endospore

b)

they have cellulose layer

c)

they have thick peptidoglycan layer

d)

they have thin peptidoglycan layer

118.

a rod shaped bacteria is called

a)

spiral

b)

bacillus

c)

coccus

d)

vibrio

119.

prokaryotes are differentiated from eukaryotes by

a)

lacking of true nucleus and cytoskeleton

b)

lacking of membrane bounded organelle

c)

the flagella do not show 9+2 microtubule arrangement

d)

all of the above

120.

Do bacteria have a nucleus?

a)

yes

b)

no

121.
Many bacteria are able to move because they possess a structure called the
a)
Ribosome
b)
Flagella
c)
Cell Wall
d)
Tail
122.

Found in extreme environments such as hot springs, underwater volcanoes etc..

a)

Both Archaea & Bacteria

b)

Archaea

c)

Bacteria

d)

None of these

123.

State the types of bacterial shapes shown above

a)

coccus

b)

coccoon

c)

bacillus

d)

rod

124.

Which type of bacterial cell shape shown above?

a)

rod

b)

spiral

c)

twisted

d)

spring

125.

Which is not a shape of bacteria?

a)

cocci (round)

b)

bacillus (rod)

c)

spirillum (spiral)

d)

circle

126.
Almost all archaea have cell walls.
a)
true
b)
false
127.
The shape of bacteria help them ....
a)
move
b)
eat
c)
protect themselves
d)
all of the above
128.
Bacteria can form ________ to protect itself from harsh conditions.
a)
endospores
b)
armor
c)
spores
d)
mushrooms
129.
Lysis is _______________________.
a)
when the cell hosting a virus bursts.
b)
when a virus injects a host cell with its DNA.
c)
when the viral DNA is inactive.
130.
Which of the following best describes how fungi obtain their nutrition and energy?
a)
Digest --> Ingest
b)
Ingest --> Digest
c)
Photosynthesi
d)
Autotrophic
131.
Which letter points to the spore producing structures of a mushroom?
a)
B
b)
A
c)
C
d)
D
132.
Certain fungi exists in mutualistic relationships with plants, wrapping around the roots of the plant. This increases the surface area of the plant roots and allows them to absorb more nutrients. Fungi in this relationship are known as _____________.
a)
Mychorrizae
b)
Lichen
c)
Diatoms
d)
Bracket Fungi
133.
Parasitic fungi, such as Athlete's Foot and ringworm, are unique because they decompose _____________ cells of organisms.
a)
Living
b)
Dead
c)
Decaying
d)
Blood
134.
__________________ is asexual fungal reproduction which takes place when the mycelium is physically broken and the hyphae begin growing again.
a)
Fragmentation
b)
Budding
c)
Conjugation
d)
Binary Fission
135.
Lichens are ________ and photosynthetic _____________ in a mutualistic relationship with one another.
a)
Fungi and Algae
b)
Fungi and Plants
c)
Plants and Algae
d)
Animals and Plants
136.
True or False: Spores are used for both asexual and sexual reproduction in fungi.
a)
True
b)
False
137.
True or False: Budding is an example of asexual reproduction used by unicellular fungi known as yeasts.
a)
True
b)
False
138.
Which of the following does NOT describe a beneficial use of fungi to humans?
a)
Fungi provide humans with oxygen during photosynthesis.
b)
Fungi are nature's "recyclers" and return nutrients to the environment.
c)
Fungi are used to create many medicines.
d)
Fungi are used for food for making certain foods.
139.
When fungi reproduce sexually, the offspring fungi are genetically ________________ from the parent fungi.
a)
different from
b)
identical to

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