Medical Quiz

Bacteria and Viruses Quiz


All bacteria are harmful.



Rod shaped bacteria

A. coccus

B. prokaryote

C. spirillum

D. bacillus

What are the poisons produced by some pathogens?

A. toxins

B. lysosomes

C. slime

Process in which food (often milk) is heated to a temperature that kills most harmful bacteria

A. immunization

B. pasteurization

C. fermentation

D. inoculation

Do antibiotics work to cure bacteria/infections?

A. No

B. Yes

All bacteria are harmful to humans



What do doctors use to help our immune systems resist viruses?

A. antibiotics

B. vaccines

C. gene therapy

D. chemotherapy

Another way in which bacteria are beneficial:

A. they are decomposers

B. they are the powerhouse of cells

C. they contain special DNA

D. they are used to make Diet Coke

Where are bacteria located?

A. No where.

B. Every where!

C. Only in the restroom.

D. On my hands only.

When a virus attaches to a host, what does it inject into the host

A. protein coat

B. Capsid


D. Envelope

Bacteria cells unlike animal cells are missing …

A. a cell wall

B. genetic material

C. a nucleus

D. ribosomes

Which is most often used to treat a bacterial infection?

A. vaccine

B. antibiotics

C. vitamins

D. water

Spiral or corkscrew-shaped bacteria

A. coccus

B. bacillus

C. spirillum

D. prokaryote

Bacteria are prokaryotes, meaning they ________.

A. lack a nucleus

B. are very large

C. contain no DNA

D. have a cytoplasm

Bacteria that can make their own food (producers)

A. cyanobacteria

B. saprophytes

C. nitrogen-fixing

Whiplike tail that bacteria use for movement

A. pili

B. cytoplasm

C. cell wall

D. flagellum

______________ are bacteria can break down dead and decaying materials (decompose).

A. saprophytes

B. bacteriophages

C. methane producing bacteria

What is a host?

A. An organism that eats another organism

B. An organism or a cell that the virus needs to reproduce in

C. Something that causes harm to the cell

D. The person that greats you at a resturant

Viruses require a host cell to

A. Breathe and eat

B. Replicate

C. Move and sleep

D. Make protein and carbohydrates

Virus that is inactive inside a cell, gets reproduced with the cell, and can active at a later time is ______.

A. latent

B. hidden

C. fixation

D. aerobe

Which is smaller, a virus or a bacteria?

A. virus

B. bacteria

Spherical bacteria

A. coccus

B. bacillus

C. endospore

What helps prevent some bacterial and viral diseases?

A. Vaccines

B. Antibiotics

C. Herbal tea

D. Gene Therapy

One important way to control the spread of bacterial and viral diseases is

A. hand washing

B. shaking hands

C. sharing drinks

D. the use of antibiotics

Can a virus be cured with antibiotics?

A. yes

B. no


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