Leaf Structure & Function quiz

What is the stalk that attaches the leaf to the stem of the plant called?

• Midrib

• Phloem

• Petiole

• Epidermis

What is the main function of the cuticle on a leaf?

• To allow air to enter and exit the leaf

• To keep the leaf from drying out

• To perform photosynthesis

• To transport nutrients

What are the openings on the lower leaf epidermis called?

• Chloroplasts

• Stoma

• Xylem

• Guard cells

Tags

NGSS.MS-LS1-6

Which cells control the opening and closing of the stoma?

• Guard cells

• Bundle sheath cells

• Palisade cells

• Spongy cells

What is the primary role of the palisade layer in a leaf?

• Structural support

• Gas exchange

• Water transport

• Photosynthesis

Tags

NGSS.MS-LS1-6

Which type of vascular tissue carries water from the roots into the leaves?

• Epidermis

• Xylem

• Petiole

• Phloem

The less tightly packed area in this portion of the leaf increases space for gas exchange.

• cuticle

• palisade layer

• spongy layer

• vascular bundle

Tags

NGSS.MS-LS1-6

What are the green structures containing chlorophyll inside the palisade cells called?

• Stoma

• Chloroplasts

• Xylem

• Cuticle

Tags

NGSS.MS-LS1-2

Which part of the leaf is responsible for gas exchange?

• Stomata

• Chloroplast

• Vein

• Cuticle

Tags

NGSS.MS-LS1-6

What is the main function of the stomata located on the leaf surface?

• Protection against pests

• Transport of nutrients

• Gas exchange

• Water absorption

Tags

NGSS.MS-LS2-3