Medical Quiz

Bacteria Quiz


Which statement about bacteria is true?

A. All bacteria are prokaryotes

B. All bacteria are eukaryotes

C. All bacteria are autotrophs

D. All bacteria are heterotrophs

What bacteria is responsible for most of the oxygen in the atmosphere?

A. E. Coli

B. Salmonella

C. Cyanobacteria

D. Oscillatoria

A whip-like structure that helps a bacterial cell to move

A. Flagellum

B. Conjugation

C. Endospore

D. Pasteurization

A process by which bacteria reproduce asexually

A. binary fission

B. cellular respiration

C. pasteurization

D. decomposers

What shape are these bacteria?

A. cocci

B. bacili

C. spirilla

D. linguine

Tiny structures that produce proteins inside bacteria

A. bacteria

B. ribosomes

C. cytoplasm

D. endospore

Archaea love harsh environments. 



What do we use to treat bacterial infections?

A. vaccines

B. antivirals

C. antibiotics

D. toxins

Which of the following is a form of antibiotic resistant staph?

A. Lyme disease

B. botulism

C. salmonella


All bacteria have DNA. 



Which domain contains the most ancient form of bacteria that are able to survive in extreme environments?

A. Bacteria

B. Archaea

C. Eukarya

What are pathogens?

A. Eukaryotic cells that turned in to bacteria

B. Disease causing agents

C. Microorganisms that help clean up oil spills

D. Beneficial bacterial cells

What is the job of the cell wall in bacteria?

A. To provide protection

B. To make protiens

C. To hold organelles in place

D. To hold water and nutrients

Bacteria are treated with

A. Antibiotics

B. Vaccines

C. Asprin

D. Chemotherapy

The three extreme environments that Archaea live in are all of the following EXCEPT

A. salt-loving. 

B. methane-making. 

C. nitrogen-fixating. 

D. heat-loving.

The best way to prevent bacterial disease

A. vaccines

B. antibiotics

C. cover your mouth when you cough

D. all of the above

What is the term used when bacteria are used to break down waste?

A. biofilm

B. metagenomics

C. microbiota

D. bioremediation

What type of viruses infect bacteria?

A. adenovirus

B. plasmid

C. bacteriophage

D. fimbriae

How is bacteria helpful?

A. Provide carbon dioxide, food products, environmental recycling, medicine.

B. Provide oxygen, food products, environmental recycling, medicine.

C. Provide oxygen, food wastes, environmental recycling, medicine.

D. Provide oxygen, food products, environment medicine.

How are bacterial cells different from the cells of eukaryotes?

A. The bacteria are prokaryotes, and the genetic material is not contained in the nuclei.

B. The bacteria are eukaryotes, and the genetic material is not contained in the nuclei.

C. The bacteria are prokaryotes, and the genetic material is contained in the nuclei.

D. The bacteria are eukaryotes, and the genetic material is contained in the nuclei.

Chemicals that kill bacteria or impede their growth are called

A. toxins

B. vaccines

C. antibiotics

D. antivirals

Extra circular piece of genetic material in prokaryotes

A. pili

B. fimbriae

C. plasmid

D. capsule

Tiny single-celled organisms that live almost everywhere

A. ribosomes

B. cytoplasm

C. bacteria

D. virus

What color are gram negative bacteria?

A. purple

B. pink

C. blue

D. green

How do bacteria benefit from living in our gut?

A. get nutrition

B. we provide them with oxygen

C. receive nitrogen from our gut

D. no benefit to them at all


Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.