photosynthesis, leaves Flashcards
1
Q
what is the chemical formulae for photosynthesis
A
carbon dioxide + water = glucose + oxygen
2
Q
where does photosynthesis take place
A
chloroplasts
3
Q
why can’t photosynthesis take place at night
A
it needs sunlight
4
Q
what is the role of the stomata
A
allows gases to diffuse in and out of the leaf
5
Q
what is the role of the guard cells
A
open and close the stomata
6
Q
what is the role of the veins
A
transport water to cells in the leaf
7
Q
what is the role of the waxy layer
A
reduces amount of water evaporating
8
Q
describe how water is transported through a leaf
A
1) diffuses in hair root cells
2) travels in water vessels
3) evaporated through the leaves
9
Q
why do leaves have a large surface area
A
to absorb as much light as possible
10
Q
why are leaves thin
A
to allow gases to diffuse through them quickly
