Leaf Structure Quiz

Carbon dioxide and oxygen, ENTERS and LEAVES the leaf through the:

• epidermis

• stomata

Which structures OPEN and CLOSE the stomata to allow gas exchange but prevent water loss in leaves?

• Cuticle

• Guard cells

Most PHOTOSYNTHESIS occurs in this part of the leaf:

• Epidermis

• Mesophyll

Tags

NGSS.MS-LS1-6

The vascular tissue which TRANSPORTS sugar (food) in both directions within the leaf is the:

• Xylem

• Phloem

What is the function of the Xylem?

• Transports FOOD from the roots to the stems and leaves.

• Transports WATER from the roots to the stems and leaves.

This part of a leaf is WAXY and its job is to prevent water loss in plants.

• Cuticle
• Stomata

This part of the leaf has an UPPER and LOWER part that protects the leaf.

• Mesophyll
• Epidermis

What is the function of chlorophyll in plants?

• Converts sunlight into glucose or sugar

• Attracts bees to pollinate flowers

Tags

NGSS.MS-LS1-6

Which of the following IS a type of plant pigment?

• Chlorophyll

• Protein

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What role does chlorophyll play in the process of leaves changing color in the fall? It...

• ...absorbs sunlight for photosynthesis.

• ...breaks down allowing other pigments to be seen.