Biology - Gas exchange in flowering plants Flashcards
0
Q
Which gas is needed for respiration?
A
Oxygen
1
Q
How do plants acquire gases needed for photosynthesis and respiration?
A
Diffusion through the stomata
2
Q
What gas is needed for photosynthesis?
A
Carbon Dioxide
3
Q
When do plants photosynthesise?
A
Only when there is light
4
Q
When do plants respire?
A
The whole time
5
Q
How are leaves adapted for photosynthesis?
4 adaptions
A
Broad leaves/ large surface area
Thin leaves - gases travel short distances to cells
Air spaces inside leaves - so Oxygen and Carbon Dioxide can move easily
Stomata closes when dark
