Plant Structure

Question 1

What are the components of plants

Answer 1

Waxy cubicle
Upper epidermis
Palisade mesophyll layer
Spongy mesophyll layer
Guard cells
Stomata

Question 2

Whats the role of plant stems and roots

Answer 2

Transport substances, plants have 2 transport systems grouped into vascular bundles: xylem and phloem

Question 3

Wht is the waxy cutile

Answer 3

Water-proof protective layer (outer outer layer)

Question 4

Upper epidarmis

Answer 4

Transparent 1 cell thick layer with no chloroplasts to allow maximum light to enter the leaf

Question 5

Palisade mesophyll layer

Answer 5

Largest layer full of tightly packed cells of chloroplasts, they receive most the light and is where photosynthesis occurs

Question 6

Spongy mesophyll layer

Answer 6

Large layer of many air spaces to gases can diffuse efficiently, co2 in and oxygen out. They have a large surface area

Question 7

Guard cells

Answer 7

To open and close the stomata depending on the conditions and they control waterloss

Question 8

Stomata

Answer 8

Hole in the leaf to allow gases to diffuse in and out

Question 9

Lower epidermis

Answer 9

Layer composed of epidermal cells and guard cells