Diffusion, Osmosis, and Active Transport (Edexcel GCSE Biology): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is diffusion?
What is diffusion?
Movement from higher to lower concentration
Why is diffusion described as passive transport?
Why is diffusion described as passive transport?
It does not require energy from the cell
In which direction do particles move during diffusion?
In which direction do particles move during diffusion?
Down the concentration gradient
Where does oxygen diffuse from in the lungs?
Where does oxygen diffuse from in the lungs?
From the alveoli into the blood
What is osmosis?
What is osmosis?
Water moving from less concentrated solution to more concentrated solution
What does a dilute sugar solution have?
What does a dilute sugar solution have?
High water concentration and high potential
What is an isotonic solution?
What is an isotonic solution?
Same concentration as inside the cell
What happens to animal cells in a hypotonic solution?
What happens to animal cells in a hypotonic solution?
They burst
What is turgor in plant cells?
What is turgor in plant cells?
Pressure from water swelling the cell
What is plasmolysis?
What is plasmolysis?
Cell membrane moving away from cell wall
What is active transport?
What is active transport?
Movement from low to high using energy
Why do root hair cells use active transport for mineral ions?
Why do root hair cells use active transport for mineral ions?
Ion concentration is higher inside cells