Nat 5 Key area 2.5 Transport systems — plants

Which cells in the leaf carry out the most photosynthesis?

• Guard cells

• Palisade mesophyll cells

• Epidermal cells

• Spongy mesophyll cells

Complete the blank: A ____________ cell is found next to the sieve tubes.

What is the process by which plants lose water by evaporation called?

The cells which control the opening and closing of the stomata are...

• palisade cells

• guard cells

• spongy cells

• Waxy cuticle

From the diagram, identify the part of the leaf labelled A.

• Upper epidermis

• Spongy mesophyll

• Palisade mesophyll

• Waxy cuticle

From the diagram, identify the part of the leaf labelled B.

• Upper epidermis

• Spongy mesophyll

• Lower epidermis

• Palisade mesophyll

From the diagram, identify the part of the leaf labelled C.

• Upper epidermis

• Palisade mesophyll

• Lower epidermis

• Spongy mesophyll

From the diagram, identify the part of the leaf labelled D.

• Waxy Cuticle

• Palisade mesophyll

• Lower epidermis

• Spongy mesophyll

From the diagram, identify the part of the leaf labelled E.

• Waxy Cuticle

• Guard cells

• Lower epidermis

• Stoma

From the diagram, identify the part of the leaf labelled F.

• Guard cells

• Stoma

• Waxy cuticle

• Lower epidermis