Parts of a leaf

How does water enter the leaf?

• from the top

• from the bottom

• through the central vein

• from evaporation

Identify the part of the leaf labeled #3.

• waxy cuticle

• upper epidermis

• spongy mesophyll

• palisade layer

Which part of the leaf cross section represents the waxy cuticle?

• 1

• 2

• 3

• 9

Which part of the leaf does the most photosynthesis?

• 1

• 2

• 3

• 7

Tags

NGSS.MS-LS1-6

What is the name of the pink part labeled 4?

• spongy mesophyll

• palisade layer

• central vein

Tags

NGSS.MS-LS1-2

Where does oxygen produced by photosynthesis exit the leaf?

• stomata

• guard cells

• central vein

Tags

NGSS.MS-LS1-6

What is the job of the guard cells?

• to open and close the stoma

• to allow sunlight into the leaf

• to prevent water loss

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

Which number represents the guard cells?

• 8

• 9

Tags

NGSS.MS-LS1-2

Which number represents the stoma?

• 6

• 7

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

Why do plants to photosynthesis?

• to produce carbon dioxide

• to produce oxygen

• to produce sugar

Tags

NGSS.MS-LS1-6