Stomata

Question 1

what controls the opening and closing of the stomata

Answer 1

the opening and closing of the stomata is controlled by the guard cells

Question 2

what happens in the stomata during the light phase

Answer 2

in light phase, guard cells take up water by osmosis and become turgid. because their inner walls are rigid they are pulled apart, opening the pore

Question 3

what happens in the stomata during the dark phase

Answer 3

in darkness water is lost and the inner walls move together, closing the pore

Question 4

how does the movement of the stomata affect transpiration

Answer 4

the transpiration rate is increased by an increase in light intensity

Question 5

what are the factors that affect transpiration linked to

Answer 5

most of the factors that result in a change in transpiration rate are linked to diffusion. (when writing explanation, try to include references to the concentration gradient caused by a change in the factor)