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WorksheetsBacterial growth
Total questions: 10
Worksheet time: 7mins
When we refer to 'growth' with bacteria, we are talking about the population and not the size of the bacteria.
False
True
The bacterium which obtain its energy from chemicals is known as a ...
Phototroph
Chemotroph
Autotroph
Heterotroph
Autotrophic bacteria are those which ...
Make their own food
Are highly susceptible to penicillin
Produce a blue-green pigment
Obtain their food from the environment
Bacteria growth is
linear
quadratic
exponential
radical
Why do bacteria enters the stationary phase?
Because of the limitation of essential nutrients and accumulation of toxic by-products.
Because they get tired.
Because of depletion of nutrients.
Which one of the following WILL NOT be characteristic of the LAG PHASE?
Adapting to the new environment
Rapid Binary fission
Intake of nutrients
The portion of the growth curve where rapid growth of bacteria is observed is known as-
Stationary Phase
Death Phase
Log Phase
Lag Phase
Which phase in bacterial growth curve shows the reproduction rate equal to the death rate?
Lag Phase
Stationary Phase
Log Phase
Decline Phase
The generation time for E.coli is ________
50 minutes
1 hr 10 minutes
20 minutes
45 minutes
Which of the following is the type of reproduction found in most unicellular prokaryotic microorganisms?
Budding
Binary Fission
Fragmentation
