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This quiz contains 7 questions from a mix of 1 subtopics.
When bacteria are grown on agar plates, each visible 'group' of bacteria is referred to as a:
Colony
Camp
Collection
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Why is the Petri dish lid only partially lifted?
To stop heat escaping
To allow microorganisms in
To prevent the entry of microorganisms from the air
To allow heat in
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Which of these conditions are needed for bacteria to multiply?
Suitable temperature
Lack of nutrients
Presence of nutrients
Moisture
Freezing temperature
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Bacteria can be grown in a...
Nutrient broth
Agar plate
Test tube with water
Empty Petri dish
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The agar gel provides bacteria with the n they require to grow.
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What is the term for the procedures used to prevent contamination when culturing microorganisms?
Safe culturing
Aseptic techniques
Inoculation
Decontamination
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A student placed an antibiotic disc on an agar plate containing bacteria. There was no clear area around the antibiotic disc.
What does this observation tell you about the effectiveness of the antibiotic?
The antibiotic is effective
The antibiotic is ineffective
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