Transpiration (AQA 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 transpiration?
What is transpiration?
Water loss from plants
How does water enter the plant through root hair cells?
How does water enter the plant through root hair cells?
By osmosis
What are xylem vessels?
What are xylem vessels?
Tubes carrying water up the stem
Through what structures does water vapour escape from leaves?
Through what structures does water vapour escape from leaves?
Stomata
Besides water, what else does the transpiration stream carry?
Besides water, what else does the transpiration stream carry?
Dissolved mineral ions
Where are most stomata located on a leaf?
Where are most stomata located on a leaf?
On the bottom surface
What is the function of guard cells?
What is the function of guard cells?
Open and close stomata
What happens to guard cells when a stoma opens?
What happens to guard cells when a stoma opens?
They become swollen and curved
What happens to guard cells when a stoma closes?
What happens to guard cells when a stoma closes?
They become flatter and less curved
In a leaf grease experiment, which leaf loses the most water?
In a leaf grease experiment, which leaf loses the most water?
Leaf with no grease
How does higher temperature affect transpiration?
How does higher temperature affect transpiration?
Makes water evaporate faster
How does dry air affect the rate of transpiration?
How does dry air affect the rate of transpiration?
Increases transpiration rate