Potometer Flashcards
1
Q
Why must shoots be cut inside water
A
The xylem would draw in air, because has high cohesion, break continuous column of water, by cutting just in water, would just take in water
2
Q
Why must joints on the apparatus be covered in petroleum jelly?
A
Is waterproof, prevents water leaking out and can only leave via evaporation
3
Q
Control Variables, same experiment other plants
A
Same size leaves, for comparison
