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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:
Collection
Camp
Colony
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Why is the Petri dish lid only partially lifted?
To allow heat in
To allow microorganisms in
To stop heat escaping
To prevent the entry of microorganisms from the air
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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
Empty Petri dish
Test tube with water
Agar plate
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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?
Inoculation
Decontamination
Aseptic techniques
Safe culturing
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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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