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Chapter 10 - Viruses and Bacteria

Total questions: 56

Worksheet time: 48mins

Name
Class
Date
1.

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

a)

both contain genetic material

b)

both can be killed using antibiotics

c)

both have a cell membrane

d)

both have a protein coat

2.

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.

3.

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

4.

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

5.

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.

6.

Bacteria come in which of the following shapes?

a)

rod, cone, spiral

b)

rod, sphere, spiral

c)

rod, sphere, cone

d)

sphere, cone, spiral

7.

What do viruses need to reproduce?

a)

Genetic material

b)

A host cell

c)

Bacteria

d)

Insulin

8.
What helps prevent viral diseases?
a)
Vaccines
b)
Antibiotics
c)
Herbal tea
d)
Gene Therapy
9.

Which of the following is a viral infection?

a)

cholera

b)

influenza

c)

strep throat

d)

tuberculosis

10.

Can a virus be cured with antibiotics?

a)

yes

b)

no

11.

A viral infection that weakens a person's immune system for the rest of their life is..

a)

strep throat

b)

HIV/AIDS

c)

tuberculosis

d)

the plague

12.

Which is most often used to destroy bacteria?

a)

vaccine

b)

antibiotics

c)

vitamins

d)

water

13.
True or False
The flu is caused by a virus.
a)
true
b)
false
14.
Some bacteria move by using a long, whip-like structure called a(n) ____________________
a)
tail
b)
cillia
c)
organs
d)
flagellum
15.
What is found in the cytoplasm of bacteria cells?
a)
The DNA
b)
The Nucleus
c)
the protein coat
d)
the flagellum
16.

HIV is caused by a

a)

bacteria

b)

virus.

17.
Which of the following is not a bacterial shape?
a)
bacilli
b)
spirilla
c)
spacecraft
d)
cocci
18.
All bacteria are harmful.
a)
True
b)
False
19.
You have a cold, but your doctor will not give you an antibiotic, because
a)
antibiotics do not kill viruses.
b)
colds are not infectious.
c)
antibiotics make colds worse.
d)
antibiotics provide bacteria with food.
20.
When should you get a vaccine?
a)
Before you get sick
b)
After you get sick
c)
Only when you are a baby
d)
Only when you are old
21.
Which type of cell fights off harmful bacteria?
a)
white blood cell
b)
red blood cell
c)
skin cell
d)
nerve cell
22.
Which system in our bodies fights infections?
a)
the digestive system
b)
the immune system
c)
the cardiovascular system
d)
all of the above
23.
Which disease is caused by a virus, NOT bacteria?
a)
scarlet fever
b)
pneumonia
c)
flu
d)
tuberculosis
24.
Viruses can infect
a)
plants
b)
animals
c)
people
d)
all of the above
25.
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
26.
Vaccines are made from
a)
dead or weakened viruses
b)
fungi
c)
allergens
d)
strong, active viruses
27.
A vaccine makes people immune to a disease by causing their bodies to make
a)
bacteria
b)
virus-fighting antibodies
c)
antibiotics 
d)
more protective skin cells
28.
You are more likely to catch a cold if you
a)
eat food that is not properly cooked
b)
go out on a cold day without a jacket
c)
stand in an elevator with a sneezing stranger
d)
swim in a cold lake
29.
Different bacteria do different things, including
a)
helping people digest their food
b)
breaking down dead organisms
c)
turning milk into cheese
d)
all of the above
30.
A virus becomes active when it
a)
is in the open air
b)
enters water
c)
enters a living cell
d)
wakes up in the morning
31.
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
32.
What does invading the host cell enable the virus to do?
a)
increase its size
b)
synthesize needed oxygen
c)
obtain nutrients
d)
reproduce
33.
When a new viral infection appears in a population, scientists usually try to develop a vaccine against the virus. Which substances would most likely be contained in the new vaccine?
a)
live bacteria that ingest viruses
b)
white blood cells from an infected individual
c)
weakened viruses associated with the infection
d)
a variety of microbes that will attack the virus
34.
The substance being transferred into the bacterial cell in B is
a)
a nucleic acid
b)
a protein
c)
an enzyme
d)
a hormone
35.
Besides DNA or RNA, what else is a virus made of?
a)
a cell wall
b)
a cell membrane
c)
a protein coat
d)
a lipid coat
36.
Viruses are difficult to treat because they
a)
are very very sneaky
b)
they are constantly mutating
c)
they are immune to all medicines
d)
they move too fast to catch
37.
 Bacteria that help break down dead material in the environment are called 
a)
vaccines
b)
decomposers
c)
oats
38.

Bacteria are grouped by their method of reproduction

a)

True

b)

False

39.

Viruses may be active or inactive when inside a living cell

a)

True

b)

False

40.

A cell that contains a true nucleus is called a eukaryote.

a)

True

b)

False

41.

The two main groups of Monerans are viruses and bacteria.

a)

True

b)

False

42.

Cyanophytes are an example of

a)

viruses

b)

monerans

c)

pigments

d)

antibiotics

43.

HIV primarily attacks and destroys

a)

T4 cells

b)

B lymphocytes

c)

antibodies

d)

monocytes

44.

Binary fission is a form of

a)

Asexual reproduction

b)

Sexual reproduction

c)

an anerobic bacterium

d)

an arerobic bacterium

45.

The only kingdom to be made up of PROKARYOTIC organisms is

a)

Animal

b)

Plant

c)

Fungi

d)

Moneran

46.

What is the scientific name for the bacteria shown?

a)

Staphylobacillus

b)

Streptobacillus

c)

Bacillus

d)

Spirilla

47.

What is the scientific name for the bacteria shown?

a)

Streptococcus

b)

Streptobacillus

c)

Staphylococcus

d)

Staphylobacillus

48.

What is the scientific name for the bacteria shown?

a)

Bacillus

b)

Streptococcus

c)

Spirilla

d)

Coccus

49.

B lymphocytes produce

a)

viruses

b)

antibodies

c)

antibiotics

d)

bacteria

50.

Disease causing bacteria are called

a)

deadly

b)

pathogenic

c)

friendly

d)

pathetic

51.

Chemical substances taken to slow or kill the growth of bacteria are

a)

vaccines

b)

antibodies

c)

antibiotics

d)

white blood cells

52.

Many bacteria protect themselves in harsh conditions by forming tough coverings


called

a)

antibodies

b)

endospores

c)

streptococcus

d)

bacteriophage

53.

In the lytic cycle, the host cell

a)

is destroyed.

b)

destroys the virus.

c)

becomes a virus.

d)

undergoes cell division.

54.

Viruses are made of cells that are identical to the cells of other living things.

a)

True

b)

False

55.

Bacteria are multi-celled organisms.

a)

True

b)

False

56.

Colds are caused by

a)

viruses

b)

bacteria

c)

sporozoans

d)

protozoans