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Microorganisms

Total questions: 55

Worksheet time: 49mins

Name
Class
Date
1.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
2.
The ability of a population of bacteria to survive the lethal effects of an antibiotic.
a)
Vaccine
b)
Lysogenic Cycle
c)
Antibiotic Resistance
d)
Capsid
3.
A large group of one-celled organisms that sometimes cause disease .
a)
Virus
b)
Protist
c)
Fungi
d)
Bacteria
4.
Outer layer covering the capsid of many kinds of viruses. 
a)
Cell Wall
b)
Capsid
c)
Envelope
d)
Chitin
5.
Cycle in which a viral genome replicates as a provirus without destroying the host cell.
a)
Lytic Cycle
b)
Lysogenic Cycle
c)
Calvin Cycle
d)
Denitrification
6.
A person with AIDS is likely to develop infectious diseases because the virus that causes AIDS
a)
destroys cancerous cells
b)
damages the immune system
c)
increases the rate of antibody production
d)
increases the rate of microbe destruction
7.
What does invading the host cell enable the virus to do?
a)
increase its size
b)
synthesize needed oxygen
c)
obtain nutrients
d)
reproduce
8.
The diagram represents a cycle initiated when a virus (bacteriophage) infects a bacterial cell. Which nutritional relationship exists between the virus and the bacterial cell?
a)
parasitism
b)
mutualism
c)
commensalism
d)
saprophytism
9.
When antibiotics were first developed, most infectious diseases could be controlled by them. Today, certain bacteria are resistant to many antibiotics. One possible explanation for this change is that
a)
the antibiotics killed most of the bacteria that did not have a genetic variation for resistance
b)
the bacteria needed to change in order to produce more antibiotics
c)
some of the bacteria learned how to resist the antibiotics
d)
antibiotics have become weaker over the years
10.
A piece of refrigerated, cooked meat will remain safe to eat for a longer period of time than a refrigerated piece of raw meat of similar size. Which statement is a valid inference based on this information?
a)
Cooking meat kills many bacteria and fungi.
b)
Cool temperatures stimulate the growth of microbes on raw meat.
c)
Raw meat cannot be preserved.
d)
Cooked meat contains antibodies that destroy decomposers.
11.
Bacteria of decay are important components of an ecosystem because they
a)
are involved in photosynthesis
b)
recycle organic matter
c)
absorb solar energy
d)
slow the spread of disease
12.
To what would the phrase "is not a cell but has the ability to reproduce within a living cell" best describe?
a)
an alga
b)
a yeast
c)
a bacterium
d)
a virus
13.
Are bacteria unicellular, multicellular or both?
a)
unicellular
b)
multicellular
c)
both
14.
 Bacteria that help break down dead material in the environment are called 
a)
vaccines
b)
decomposers
c)
oats
15.
How do bacteria move?
a)
flagella
b)
cilia
c)
they don't
16.
All bacteria are harmful to humans
a)
True
b)
False
17.
Which disease is not caused by bacteria?
a)
Strep throat
b)
Pneumonia
c)
Food poisoning
d)
Influenza (the Flu)
18.
Bacteria help you digest food.
a)
True
b)
False
19.
An example of a fungi is a 
a)
plant
b)
yeast
20.
Fungi can only bad for us
a)
true
b)
false
21.
Fungi are a type of decomposers
a)
true
b)
false
22.
A small, non-living particle that invades a living cell and then reproduces inside of it is called
a)
antibacteria
b)
bacteria
c)
genetics
d)
virus
23.
Are viruses living or non-living?
a)
Living
b)
Non-Living
24.
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
25.
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
26.
Antibiotics kill viruses
a)
True
b)
False
27.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
28.
What provides direct energy for the virus?
a)
food
b)
its host
c)
the sun
d)
a parasite
29.
Bacteria can cause infections in: 
a)
People
b)
Animals
c)
Plants
d)
All of the above
30.

Which disease is caused by a virus, NOT bacteria?

a)

Tuberculosis

b)

ringworm

c)

flu

31.

By itself, a virus is

a)

a living animal

b)

a type of plant

c)

NON - LIVING

32.
The viruses that cause colds usually attack the cells in the
a)
stomach and intestines
b)
nose and throat
c)
brain
d)
legs and feet
33.
Where do bacteria live?
a)
only in water
b)
only inside living organisms
c)
only in the soil
d)
almost everywhere
34.
TRUE or FALSE: Bacteria are not alive. 
a)
TRUE
b)
FALSE
35.

Living things that can only be seen using a microscope are called _______________________.

a)

yeast

b)

bacteria

c)

fungi

d)

micro-organisms

36.

Which of the following is used to see micro-organisms?

a)
b)
c)
37.

Bacteria is a living thing.

a)

True

b)

False

38.

A fungi is plant like

a)

True

b)

False

39.

What is on this bread?

a)

Virus

b)

Bacteria

c)

Fungi

40.

What is an example of fungi?

a)

Algae

b)

Mold

c)

Euglena

d)

Bacteria

41.

What is an example of a decomposer?

a)

a squirrel

b)

a fox

c)

a mushroom

d)

a hawk

42.

Organisms from which kingdom are most likely to chemically digest their food outside their bodies?

a)

Fungus

b)

Plant

c)

Protists

d)

Animal

43.

Some plant roots grow with mycorrhizal fungi. The fungi absorb water and minerals and pass them on to the plant and receive carbohydrates from the plant. This is an example of -

a)

predation

b)

competition

c)

mutualism

d)

parasitism

44.

The relationship between a fungus and an alga in lichen is an example of -

a)

mutualism

b)

commensalism

c)

parasitism

d)

predation

45.

What is an example of a producer?

a)

Oak tree

b)

A fox

c)

A mushroom

d)

A squirrel

46.

Fungi, such as mushrooms and molds, get their nutrition primarily by -

a)

parasitic relationships with plants

b)

producing food by chemosynthesis

c)

preying on other organisms

d)

decomposing dead organic matter

47.
Which is an example of a disease caused by fungi
a)
Diphtheria
b)
The Common Cold
c)
Strep Throat
d)
Athlete's Foot
48.
What are some examples of food made by fungi
a)
Bread
b)
Cheese
c)
Mushrooms
d)
All of the above
49.
Which letter points to the spore producing structures of a mushroom?
a)
B
b)
A
c)
C
d)
D
50.

A virus that attacks bacteria cells

a)

Capsid

b)

Influenza

c)

HIV

d)

Bacteriophage

51.

What is letter B?

a)

DNA or RNA

b)

genetic information

c)

nucleic acid

d)

all of these are correct

52.

What is letter C?

a)

capsid

b)

collar

c)

tail fibers

d)

sheath or "tail"

53.

What is letter D?

a)

endplate or baseplate

b)

tail fibers

c)

collar

d)

capsid

54.

What is letter C?

a)

endplate or baseplate

b)

sheath

c)

collar

d)

capsid

55.

The term "bacteriophage" means

a)

"virus eater"

b)

"bad virus"

c)

"bacterial illness"

d)

"bacteria eater"

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