Transpiration Flashcards
What is transpiration?
Loss of water by evaporation from plants
What is the name of the process by which leaves lose water vapour?
Transpiration
How do plants lose water?
When the open the stomata to let carbon dioxide in
What does transpiration set up?
A concentration gradient, continuously pulling water from the soil into the plant
How do roots absorb water?
Through root hair cells
What conditions are ideal to make transpiration fast?
Warm
Light
Low humidity
Guard cells open when light.
True or False?
True
When do stomata open and why?
In the day
To maintain a concentration gradient for photosynthesis so they need to let water out
What is the disadvantage of plants closing their stomata?
No gas exchange
Name one way that water being carried up the plant is useful
To keep cells turgid so the leaves and stems don’t wilt
