Leaf Structure

Which part of a leaf is described by "F" on the picture?

• Margin

• Base

• Midrib

• Lateral Vein

Which part of a leaf is described by "G" on the picture?

• Margin

• Base

• Midrib

• Lateral Vein

Which structure helps prevent water loss and protects the leaf?

• Palisades mesophyll
• Spongy mesophyll
• Vascular tissue
• Cuticle

What is the name of the elongated, tightly packed cells (part G) directly under the upper epidermis?

• Palisade cells

• Guard cell

• Spongy layer

• Lower epidermis

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-2

What is letter "D" pointing to?

• upper epidermis

• palisade mesophyll

• spongy mesophyll

• bundle sheath

Tags

NGSS.MS-LS1-2

Which of the following is pointing to the "guard cell"?

• B

• C

• D

• E

Tags

NGSS.MS-LS1-2

Which part of the leaf consists of xylem and phloem?

• vascular bundle

• bundle sheath

• palisade mesophyll

• spongy mesophyll

The important gases, carbon dioxide and oxygen, enter and leave the leaf through the

• upper epidermis

• phloem

• stomata

• guard cells

Tags

NGSS.MS-LS1-6

Which structures open and close stomata to allow gas exchange but prevent water loss in leaves?

• Epidermis
• Vascular tissue
• Guard cells
• Spongy mesophyll

The cell organelle where photosynthesis occurs in plant cells is the

• chloroplast

• mitochondrion

• vacuole

• nucleus

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3