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Worksheets

Bacteria and Viruses

Total questions: 33

Worksheet time: 41mins

Name
Class
Date
1.
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
2.
What does a virus have on the inside?
a)
DNA, but never RNA
b)
RNA but never DNA
c)
DNA or RNA
d)
neither DNA or RNA
3.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
host cell
b)
bacteria
c)
virus
d)
pathogen
4.

Which of the following is true for both bacteria and viruses?

a)

both contain genetic material

b)

can be killed using antibiotics

c)

have a cell membrane

d)

have a protein coat

5.

Which statement is true about viruses?

a)

Viruses can eat and metabolize food.

b)

Viruses can reproduce only using a host cell.

c)

Viruses can reproduce on their own at any time.

d)

Viruses contain DNA, so they are alive.

6.

The use of what modern technology has cause the rise in resistant bacteria

a)

vaccines

b)

antibiotics

c)

fertilizers

d)

solar panels

7.

One important way to control the spread of viruses in through

a)

the use of vaccines

b)

drinking a lot of tea

c)

the use of other types of bacteria

d)

the use of antibiotics

8.

What type of cells contain a nucleus?

a)

bacterial cells

b)

virus cells

c)

prokaryotic cells

d)

eukaryotic cells

9.

Which of these is characteristic of both viruses and bacteria?

a)

They get their energy from their environment.

b)

They can reproduce on their own.

c)

They can form crystals and become dormant.

d)

They contain proteins and nucleic acids.

10.

A bacterium reproduces asexually by dividing to form two new bacterial cells. What is the name of the process by which bacteria reproduce?

a)

meiosis

b)

mitosis

c)

budding

d)

binary fission

11.

Which of the following is a risk of overusing antibiotics to treat infections>

a)

Bacteria may become resistant to antibiotics.

b)

Antibiotics increase the rate of infection.

c)

Antibiotics cause other diseases to develop.

d)

Antibiotics only work once.

12.

Bacteria come in which of the following shapes?

a)

rod, cone, spiral

b)

rod, sphere, spiral

c)

rod, sphere, cone

d)

sphere, cone, spiral

13.

What do viruses need to reproduce?

a)

Genetic material

b)

A host cell

c)

Bacteria

d)

Insulin

14.
What process is this?
a)
phagocytosis
b)
lytic cycle
c)
lysogenic cycle
d)
formation of antibodies
15.

Which viral life cycle kills its host cell by lysing (bursting)?

a)

Lysogenic Cycle

b)

Lytic Cycle

c)

Binary Fission

d)

Conjugation

16.

Can a virus be cured with antibiotics?

a)

yes

b)

no

17.

Which is most often used to destroy bacteria?

a)

vaccine

b)

antibiotics

c)

vitamins

d)

water

18.

Tiny single-celled organisms that live almost everywhere

a)

ribosomes

b)

cytoplasm

c)

bacteria

d)

virus

19.

Bacteria are prokaryotes, meaning they ________.

a)

lack a nucleus

b)

are very large

c)

contain no DNA

d)

have a cytoplasm

20.

Viruses that only attacks bacteria are call a...?

a)

Capsulated

b)

Helical

c)

Bacteriophage

d)

Bacteria Vectors

21.

Which processes allows for the viruses DNA to lay "dormant" or hide in the host DNA while the cell reproduces?

a)

Lytic

b)

Lysogenic

c)

Enveloped

d)

Capsid

22.

Which of the following terms could be used to describe this bacterium? (Select all the apply).

a)

Gram Positive

b)

Gram Negative

c)

Bacillus

d)

Coccus

e)

Staphlo

23.

Which term(s) would be used to describe this bacterium?

Select all that apply.

a)

Gram Positive

b)

Gram Negative

c)

Staphlo

d)

Strepto

e)

Coccus

24.

Which terms would be used to describe this bacterium?

a)

Gram Negative

b)

Spirillus

c)

Strepto

d)

Bacillus

e)

Flagellated.

25.

Which of the following is not a economical use for bacterium?

a)

Food Production

b)

Oil Refining

c)

Water treatment

d)

Decomposer

26.

What shape is this bacterium?

a)

Spirillus

b)

Bacillus

c)

Coccus

d)

Streptus

27.

How do most viruses get inside their host?

a)

Endocytosis

b)

Injecting their DNA into host

c)

Pinocytosis

d)

Plasmolysis

28.

What is the protein coat that surrounds the nucleic acid of a virus called?

a)

Capsid

b)

Plasmid

c)

Capsule

d)

Receptor

29.

An antibiotic will start making you feel better quicker if the bacteria causing the problem has what type of toxin?

a)

Endotoxin

b)

Exotoxin

30.

What do we call the length of time from the time a virus invades it's first host cell and the time we experience symptoms?

a)

Incubation

b)

Infection

c)

Systemic Reaction

d)

Succumbination

31.

A fragment, smaller than a virus, that can be pathogenic to plants, but lacks a capsid is called a what?

a)

Bacterium

b)

Viroid

c)

Prion

d)

Vector

32.

A viral protein that lacks any genetic material, and causes Mad Cow Disease is known as a...?

a)

Vector

b)

Bacterium

c)

Viroid

d)

Prion

33.

Which of the following is one of the MOST important roles bacteria play in the environment?

a)

Nitrogen Fixation

b)

Food production

c)

Water Treatment

d)

Producer