wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Immune System and Infectious Agents: Viruses and Bacteria

Total questions: 15

Worksheet time: 45mins

Name
Class
Date
1.

Are considered to be living organisms

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

2.

Are considered to be non-living organisms

a)

Viruses

b)

Bacteria

c)

Both viruses and bacteria

3.

Bacteria is what type of cell?

a)

prokaryote

b)

eukaryote

4.

Medicine that stops the growth and reproduction of bacteria.

a)

pathogens

b)

flagella

c)

antibiotics

5.

prokaryotic means

a)

no nucleus

b)

has a nucleus

c)

no ribosomes

d)

has a mitochondria

6.

Which is the most effective defense against the chicken pox virus?

a)

antibiotics

b)

diet

c)

exercise

d)

vaccine

7.

Which would most likely prevent a cold virus from spreading in a classroom?

a)

tissue at a teacher's desk

b)

students wash hands regularly with soap

c)

students shake hands regularly with each other

d)

students wipe desks with dry paper towels

8.

Like all other body systems, the immune system helps the body maintain homeostasis. Which statement best describes how the immune system does this?

a)

it protects other organs and tissues from infection and disease

b)

it breaks down food to provide cells with nutrients

c)

it gathers information through the senses and controls all other body systems

d)

it transports oxygen and carbon dioxide

9.

What do scientists call bacteria and viruses that can make people sick?

a)

diseases

b)

vaccines

c)

antibodies

d)

pathogens

10.

What is the main purpose of the immune system?

a)

support the body through bones and muscles

b)

get rid of waste from the body

c)

protect the body from pathogens

d)

move blood through the body

11.

What type of cell fights off pathogens? (HINT: Osmosis Jones was this type of cell)

a)

skin cells

b)

white blood cells

c)

red blood cells

d)

nose cells

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.

Which of the following occurs after a virus attaches to a host cell

a)

The host cell dies

b)

The virus dies

c)

The virus inserts its genetic information into the host cell

d)

the virus eats the cell

14.

A disease that is harmful to the body and is contagious is called....

a)

Non-Infectious

b)

Infectious

15.

BONUS (for 2 extra points): Who is most excited for winter break?

a)

ME!!!!!!!!

b)

My Teachers

c)

Both A and B

d)

I don’t even understand the question because of all the sugar I’ve had today