Transpiration (OCR GCSE Biology A (Gateway Science Suite)): 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?
Absorbed by roots, travels up, evaporates from leaves
How do root hair cells absorb water from the soil?
How do root hair cells absorb water from the soil?
By osmosis
Which vessels transport water from the roots to the leaves?
Which vessels transport water from the roots to the leaves?
Xylem vessels
From which cells does water evaporate in the leaf?
From which cells does water evaporate in the leaf?
Spongy mesophyll cells
What are stomata?
What are stomata?
Tiny openings in leaves
What does water loss from stomata create in the leaf?
What does water loss from stomata create in the leaf?
Negative pressure
How does increased light intensity affect transpiration?
How does increased light intensity affect transpiration?
Increases rate (stomata open wider)
Why do higher temperatures increase transpiration rate?
Why do higher temperatures increase transpiration rate?
Water evaporates more quickly
How does high humidity affect the rate of transpiration?
How does high humidity affect the rate of transpiration?
Lowers it (air saturated with moisture)
How does increased wind speed affect transpiration?
How does increased wind speed affect transpiration?
Increases rate (removes humid air)
What does turgor pressure help maintain in plants?
What does turgor pressure help maintain in plants?
Keeps plant upright and supports growth
What is a potometer used to measure?
What is a potometer used to measure?
Rate of transpiration