What is the primary function of the cuticle on the outer surface of the leaf?

• To transport sugars and food

• To provide structural support

• To prevent water loss

• To facilitate gas exchange

What does the term "mesophyll" refer to in the context of leaf anatomy?

• The waxy covering of the leaf

• The outermost layer of cells

• The layer of cells where photosynthesis occurs

• The stalk that connects the leaf to the stem

Tags

NGSS.MS-LS1-6

Which cells are responsible for opening and closing stomata?

• Epidermal cells

• Palisade mesophyll cells

• Guard cells

• Bundle sheath cells

What is the role of chloroplasts in the plant cells?

• To prevent water loss

• To transport nutrients

• To perform photosynthesis

• To open and close stomata

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the stalk that connects the leaf to the stem called?

• Vein

• Cuticle

• Mesophyll

• Petiole

What structure transports water in one direction?

• phloem

• Xylem

• stomata

• guard cell

Leaves with 2 or more leaflets are called

• major leaf

• simple leaf

• compound leaf

• two leaflets

What structure transports sugar (glucose) up and down in plants?

• cuticle

• phloem

• xylem

• mesophyll

Guard cells regulate the flow of gases in plants and are often found on the bottom of the leaf. During the dry time guard cells

• close

• stay open

Tags

NGSS.MS-LS2-1

What organ in the human body is has a similar function as the stoma?

• stomach

• heart

• kidneys

• lungs