Medical Quiz

Virus and Bacteria Quiz


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A person who is HIV positive cannot spread the virus.

A. TRUE

B. FALSE


Viruses contain DNA or RNA but never both.

A. TRUE

B. FALSE


Anthrax is a deadly bacteria which is capable of surviving for decades in soil because it is able to form

A. Capsid

B. Endospores

C. Cell Walls


What do bacteria use to reproduce?

A. Flagella

B. DNA

C. binary fission


What is the gel-like covering that bacteria have which makes many antibiotics ineffective?

A. Endospore

B. Cell Wall

C. Capsule


In which stage in the life cycle is the virus reproducing?

A. Lysogenic

B. Binary Fission

C. Lytic


What do some bacteria produce that are capable of killing the host and are among the most toxic poisons known?

A. exotoxins

B. anitigens

C. endotoxins


Some bacteria have a gel-like covering called a _______which makes many antibiotics ineffective.

A. Capsule

B. Capsid

C. Endospore

D. Cell Wall


What are the sticky string-like projections that bacteria use to cling to surfaces?

A. Pili

B. Tail Fibers

C. Flagella


What is the most important function of bacteria?

A. acting as decomposers

B. make people sick

C. make yogurt


What do viruses use to attach to the host’s cell?

A. flagella

B. proteins

C. tail fibers


When a viral DNA attaches to the host cell’s DNA it is called a

A. Provirus

B. Prion

C. Phage


Bacteria use whip-like structures to move through liquids that are called

A. prions

B. cells

C. flagella


Bacteria possess several pairs of chromosomes.

A. TRUE

B. FALSE


What are small circular pieces of DNA which can be exchanged between bacteria and give the bacteria different characteristics such as drug resistance?

A. Cell Wall

B. Plasmids

C. Capsid


When a person has a cold sore ( fever blister) the herpes virus is in lytic cycle.

A. TRUE

B. FALSE


Viruses use their spikes or tail fibers to attach to phospholipids of the cell membrane.

A. TRUE

B. FALSE


What is the most unique characteristic of bacteria?

A. Their shape

B. Their DNA

C. Their prokaryotic cells


Which stage of the life cycle is Aids in?

A. Lytic

B. two

C. Lysogenic


Which stage of the life cycle is HIV in?

A. Lysogenic

B. Lytic

C. one


All bacteria have cell walls.

A. TRUE

B. FALSE


Bacteria aid many animals in digestion.

A. TRUE

B. FALSE




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