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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Microscopy (GCSE Biology)

The following is a GCSE Biology test covering 'Microscopy' 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

You view a cell image that measures 4.8 cm on the microscope image at ×400 total magnification. What is the real length of the cell in micrometres (µm)?
What is the main limitation of a light microscope compared with an electron microscope?
A student wants to calculate the magnification of a drawing made from a microscope image. Which equation should they use?
When drawing cells observed under a microscope for assessment, which practice is recommended?
If a light microscope image shows many cells but some appear out of focus at the same time, what is the most likely cause?
Why is magnification not the same as resolving power?
A pupil measures the diameter of the field of view at ×40 objective as 4.8 mm. If they switch to a ×100 objective (same eyepiece), what will be the new diameter of the field of view (approx)?
Why is it important to use a very thin layer of epidermis when making a slide from onion tissue?
Which feature of onion epidermal cells makes them especially suitable for study under a light microscope?
When using a light microscope, which adjustment knob should you use first to bring your specimen roughly into focus?
An eyepiece has magnification ×10 and you use a ×40 objective. What is the total magnification?