Group 4

What is the lower epidermis of leaf?

• Layer of cells on the underside of the leaf

• Middle layer of cells on the leaf
• Layer of cells on the upper side of the leaf
• Top layer of cells on the leaf

What is the purpose of the lower epidermis of a leaf?

• To provide structural support to the leaf.
• To store water and nutrients for the leaf.
• To absorb sunlight for photosynthesis.
• To protect the leaf and regulate gas exchange.

What is found on the lower epidermis of leaf?

• mineral water

• Xylem
• Guard Cells

• Stomata

How does the lower epidermis of leaf regulate gas exchange?

• Stomata

• Mesophyll cells
• Guard cells
• Cuticle

Wher does the lower epidermis of leaf originate from?

• protoderm tissue
• ectoderm tissue
• endoderm tissue
• mesoderm tissue