Required Practical: Osmosis (AQA GCSE Biology Combined Science): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the aim of the potato tuber experiment?
What is the aim of the potato tuber experiment?
To investigate osmosis in plant tissue
Why must potato cylinders be of uniform size?
Why must potato cylinders be of uniform size?
To ensure fair comparison of results
What range of sugar solutions is used in the experiment?
What range of sugar solutions is used in the experiment?
0.0 M to 1.0 M
How long are potato cylinders left in the solutions?
How long are potato cylinders left in the solutions?
24 hours
Why are potato cylinders blotted with paper towels?
Why are potato cylinders blotted with paper towels?
To remove excess surface liquid
What is the formula for percentage change in mass?
What is the formula for percentage change in mass?
What does the x-axis crossing point on the graph indicate?
What does the x-axis crossing point on the graph indicate?
Equal water potential inside and outside
If a potato cylinder gains mass, what type of solution was it in?
If a potato cylinder gains mass, what type of solution was it in?
Hypotonic
If a potato cylinder loses mass, what happened to the water?
If a potato cylinder loses mass, what happened to the water?
Water moved out of the potato cells
In osmosis, water moves from which area to which area?
In osmosis, water moves from which area to which area?
High to low water potential