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Defense Against Disease

Total questions: 16

Worksheet time: 8mins

Name
Class
Date
1.

Antibiotics affect ...

a)

Viruses

b)

Bacteria

c)

Bacteria and Viruses

d)

Bacteria, Viruses, and Fungi

2.

Injecting a small amount of inert ('dead') viruses or bacteria to help your white blood cells recognize them is...

a)

Antibiotics

b)

Lymphocytosis

c)

Endocytosis

d)

Immunization

3.

Made of only a DNA strand and a protein shell (capsid), and sometimes an envelope.

a)

Virus

b)

Bacteria

4.

Has a cell wall, cell membrane, free floating DNA, no nucleus, cytoplasm, and no organelles.

a)

Bacteria

b)

Viruses

5.

A ___________ is an organism that carries an infectious disease like malaria carrying mosquitoes.

a)

Transmitter

b)

Carrier

c)

Vector

d)

Zoonotic Transfer

6.

True or False: Viruses are NOT alive.

a)

True

b)

False

7.

They need a host in order to replicate/reproduce.

a)

Viruses

b)

Bacteria

8.

Which of the following is NOT a standard shape of bacterial cells?

a)

Rods (bacilli)

b)

Spheres (cocci)

c)

Bean (fabiform)

d)

Spirals (spirilli)

9.

True or False: All bacteria cause illnesses.

a)

True

b)

False

10.

Your body defends your _____ by producing enzymes that kill bacteria

a)

Eyes

b)

Skin

c)

Respiratory Tract

d)

Reproductive Tract

11.

Our white blood cells can fight invaders by... (choose three)

a)

producing antibodies

b)

trapping them in one place

c)

consuming them

d)

producing anti-toxins

e)

physically removing them from the body

12.

What structure/component do bacteria NOT have that both plant and animal cells do?

a)

nucleus

b)

cell membrane

c)

cytoplasm

d)

DNA

13.

The _______ has passive defense in the form of acids and enzymes.

a)

Reproductive Tracts

b)

Respiratory System

c)

Digestive System

d)

Skin

14.

Our _______ contains mucus and ciliated cells to trap and remove invaders, as a passive defense.

a)

Digestive System

b)

Respiratory Tract

c)

Reproductive Tract

d)

Eyes

15.

Which letter represents the protein coat of a typical virus?

a)

A

b)

B

16.

Which letter represents the bacterial DNA

a)

A

b)

B

c)

C

d)

D