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WorksheetsBacteria Basics Quiz
Total questions: 18
Worksheet time: 36mins
Bacteria that live in extreme environments, and have no pepdidoglycan in their cell walls
Archaebacteria
Eubacteria
Eukaryotae
Saprophytes
"Typical" bacteria (includes bacteria found in humans, and in the soil for example); their cell walls contain peptidoglycan
Archaebacteria
Eubacteria
Eukaryotae
Protozoa
What is the gram reaction for these bacteria?
positive
negative
these do not display a reaction
Describe the bacteria in the slide
coccus
bacillus
spirillum
streptobacillus
Describe the bacteria in the slide
staphylococcus
bacillus
spirillum
streptobacillus
Which best describes this image?
coccus
staphylococcus
gram +
colonies
Some bacteria are autotrophic.
True
False
An example of heterotrophic bacteria is bacteria that decompose things.
True
False
A tough layer that covers bacteria and protects it against harsh environments (like dryness)
endospore
envelope
slime capsule
pili
What type of bacteria cause disease?
parasitic
Archaebacteria
endosporillum
all types
When bacteria infect a human, what is it that harms the host?
toxins
the bacterial cell wall
peptidoglycans
the absorbtion of nutrients from the host
Compounds that interrupt the growth or metabolism of bacteria
exotoxins
antibiotics
interferons
aspirin
Most bacteria are pathogens
True
False
What do bacteria need to grow? (check all that apply)
warmth
moisture
food source
agar
Beef jerky is an example of a preserved food. What condition for bacterial growth has been taken away in beef jerky?
warmth
moisture
food source
sunlight
Refrigeration is a way to preserve food. What condition for bacterial growth has been taken away in refrigeration?
warmth
moisture
food source
sunlight
Bacterial reproduction in which two identical daughter cells result
binary fission
mitosis
meiosis
conjugation
Antibiotics are effective against viruses
True
False
