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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Osmosis (GCSE Biology)

The following is a GCSE Biology test covering 'Osmosis' 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 place a potato cube in a sugar solution and after 1 hour its mass is unchanged. Which is the best interpretation?
Why is it appropriate to incubate biological osmosis tests at a constant temperature?
What is osmosis?
What is the best reason for repeating each potato measurement several times and calculating a mean?
In the context of osmosis, what does a negative percentage change in mass indicate?
A student calculates percentage change in potato mass using: percentage change = (change in mass / original mass) × 100. If original mass = 5.0 g and final mass = 4.6 g, which is the correct percentage change?
Which description matches an isotonic condition for cells in a solution?
Plasmolysis is best described as:
In a typical potato osmosis graph, the concentration at which there is no net mass change is called:
Which process is not involved in osmosis experiments with plant tissues?
Why is it important to use a partially permeable membrane rather than a fully permeable membrane in an osmosis demonstration?