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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Culturing Microorganisms (biology Only) (GCSE Biology)

The following is a GCSE Biology test covering 'Culturing Microorganisms (biology Only)' from the broader topic Cell Biology. The test is geared towards the AQA exam board style syllabus.
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Below a typical questions that will be covered in this test. You final score will be logged on your account

Why is it risky to incubate environmental bacterial samples at 37 °C in an unregulated setting?
What does a “colony-forming unit (CFU)” on an agar plate represent?
Which factor is likely to increase the rate of microbial growth on a culture plate (for many species)?
Which statement best describes antibiotic resistance in bacteria?
Which factor on an agar plate would indicate you might be growing a different species rather than a mutant of the same species?
Which of the following is a safe method to dispose of used agar plates in a school laboratory?
Which method produces a pure single bacterial colony useful for later experiments?
Why are Petri dishes usually incubated upside down (agar side up)?
What is the purpose of streaking bacteria across an agar plate?
How can the optical density (turbidity) of a liquid bacterial culture be used?
Which piece of information is essential when reporting colony counts from a plate after serial dilution?