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WorksheetsBacteria and Viruses
Total questions: 35
Worksheet time: 18mins
Which of the following do scientists generally accept as being alive?
viruses
bacteria
both
ribosomes
If a person is ill with a bacterial infection, what kind of medicine should they take?
antibiotics
antivirus
They cannot take anything; they simply must wait out the illness.
cold and flu medicine
Which is smaller: bacteria or viruses?
bacteria
viruses
cells
Which reproduces by using a host?
bacteria
viruses
cells
How do bacteria reproduce?
by using a host
binary fission
binary fusion
budding
Match the numbers on the illustration with the parts of the bacteria cell. # 1
pilus
DNA
flagella
cell wall
Match the numbers on the illustration with the parts of the bacteria cell. # 2
pilus
fagella
ribosomes
cell wall
Match the numbers on the illustration with the parts of the bacteria cell. # 3
ribosomes
fagella
cell membrane
DNA
Match the numbers on the illustration with the parts of the bacteria cell. # 4
Cell wall
ribosomes
capsule
cell membrane
Match the numbers on the illustration with the parts of the bacteria cell. # 5
DNA
cell membrane
cell wall
ribosomes
Match the numbers on the illustration with the parts of the bacteria cell. # 6
cell membrane
ribosomes
cell wall
pilus
Match the letters on the illustration with the parts of the virus. A.
tail fiber
head
neck
sheath
Match the letters on the illustration with the parts of the virus. B.
head
sheath
base plate
neck
Match the letters on the illustration with the parts of the virus. C.
neck
collar
sheath
head
Match the letters on the illustration with the parts of the virus. D.
head
neck
base plate
sheath
Match the letters on the illustration with the parts of the virus. E.
neck
head
tail fiber
DNA
Match the letters on the illustration with the parts of the virus. F
base plate
sheath
collar
tail fibers
Match the letters on the illustration with the parts of the virus. G.
head
fibers
DNA
sheath
Archaea include____________________.
gram-positive, gram-negative and wall-less bacteria
methanogens, halophiles, and thermoacidphiles
mutualistic, parasitic and commensalistic bacteria
obligate and facultative
Define the term pathogen:
A micro-organism that lives with another organism
A micro-organism that lives and feeds on dead material
A micro-organism that can cause disease
A micro-organism that cannot cause disease
Bacteria occur in which basic shape(s)?
rod
spherical
spiral
all of the above
An antibiotic is a drug that selectively kills _________.
viruses
bacteria
fungi
all of the above
Which is true about vaccines?
Vaccines will help you if you are vaccinated AFTER you are already sick with a viral infection.
Vaccines help to prevent bacterial infections.
Vaccines are a small amount of a weakened version of a virus.
vaccines are only effective on flu viruses
Bacteria can be...
harmful
beneficial
both
neither
What structure helps the bacteria move?
pilus
flagella
capsule
plasmid
What type of bacteria can cause strep throat?
botulism
streptococcus
salmonella
archea
What type of food can be made by bacteria?
yogurt/cheese
bread
pretzles
pepperoni / preserved meats
Which of the following is NOT a list of diseases caused by a virus?
influenza (flu), polio, hepatitis
cholera, botulism, tetanus
measles, mumps, HIV
rabies, smallpox, shingles
Cold medicine is used to "kill" a
flu virus
a bacterial virus
cold virus
none, the cold medicine only treats the symptoms
Viruses are considered non living because?
They don't eat
They don't breath
They need a host to reproduce
all of the above
First stage of the viral lytic cycle
injection
replication
attachment
lysis
Last stage of the lytic cycle
integration
lysis
replication
injection
What are the oldest life forms on earth?
eubacteria
Archaebacteria
streptococcus
salmonella
What structure helps the bacteria stick to surfaces?
fagella
ribosomes
pilli
cell membrane
What kingdom do the most common bacteria belong to?
Archea
Eukaryotes
Eubacteria
ribosomes
