Virus and Bacteria Quiz
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Which stage of the life cycle is HIV in?
A. Lysogenic
B. Lytic
C. one
Which stage of the life cycle is Aids in?
A. Lytic
B. two
C. Lysogenic
Bacteria possess several pairs of chromosomes.
A. TRUE
B. FALSE
Bacteria use whip-like structures to move through liquids that are called
A. prions
B. cells
C. flagella
A person who is HIV positive cannot spread the virus.
A. TRUE
B. FALSE
What is the most important function of bacteria?
A. acting as decomposers
B. make people sick
C. make yogurt
What is the most unique characteristic of bacteria?
A. Their shape
B. Their DNA
C. Their prokaryotic cells
What is the gel-like covering that bacteria have which makes many antibiotics ineffective?
A. Endospore
B. Cell Wall
C. Capsule
All bacteria have cell walls.
A. TRUE
B. FALSE
What do bacteria use to reproduce?
A. Flagella
B. DNA
C. binary fission
When a person has a cold sore ( fever blister) the herpes virus is in lytic cycle.
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 some bacteria produce that are capable of killing the host and are among the most toxic poisons known?
A. exotoxins
B. anitigens
C. endotoxins
What do viruses use to attach to the host’s cell?
A. flagella
B. proteins
C. tail fibers
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
When a viral DNA attaches to the host cell’s DNA it is called a
A. Provirus
B. Prion
C. Phage
In which stage in the life cycle is the virus reproducing?
A. Lysogenic
B. Binary Fission
C. Lytic
Viruses contain DNA or RNA but never both.
A. TRUE
B. FALSE
Bacteria aid many animals in digestion.
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
Viruses use their spikes or tail fibers to attach to phospholipids of the cell membrane.
A. TRUE
B. FALSE
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