Leaf structure

Question 1

function of upper epidermis?

Answer 1

Transparent - let light through

Question 2

function of waxy cuticle?

Answer 2

waterproof - stop water loss from top of leaf

Question 3

function of spongy mesophyll?

Answer 3

gaps - to facilitate gas exchange

Question 4

function of palisade mesophyll?

Answer 4

most photosynthesis takes place here

Question 5

function of vein/vascular bundle?

Answer 5

xylem + phloem

Question 6

function of lower epidermis?

Answer 6

bottom of leaf

Question 7

function of stomata?

Answer 7

holes in lower epidermis - allows gasses in and out

Question 8

function of guard cells?

Answer 8

change size - control rate of gases entering and exiting through stomata