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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

What is the purpose of adding an indicator (e.g. red to yellow change) in some microbiological media?
Which statement best describes antibiotic resistance in bacteria?
Which method produces a pure single bacterial colony useful for later experiments?
Why might a lab use selective media when isolating microbes from a mixed environmental sample?
What is a safe action if you accidentally spill a culture on the bench?
When performing a disc diffusion test to compare two antibiotics, which quantitative measurement gives a fair comparison?
Why is it important to use sterile equipment (e.g. sterile loops) when transferring microbes?
How can the optical density (turbidity) of a liquid bacterial culture be used?
Which factor on an agar plate would indicate you might be growing a different species rather than a mutant of the same species?
How can students estimate the original number of bacteria in a liquid sample using plate counts?
Why are anaerobic jars or media used when culturing obligate anaerobes?