Grade 8 Plant - Leaf

The picture shows the layers of cells in the leaf. What is layer A(up)?

• Palisade mesophyll
• Upper epidermis
• Lower epidermis
• Spongy mesophyll

The picture shows the layers of cells in the leaf. What is layer B?

• Palisade mesophyll
• Upper epidermis
• Lower epidermis
• Spongy mesophyll

The picture shows the layers of cells in the leaf. What is layer C?

• Palisade mesophyll
• Upper epidermis
• Lower epidermis
• Spongy mesophyll

The picture shows the layers of cells in the leaf. What is layer A (down)?

• Palisade mesophyll
• Upper epidermis
• Lower epidermis
• Spongy mesophyll

The picture shows the layers of cells in the leaf. E and F together forming?

• Stomach

• Mostama

• Stomata

• Stotama

Why leaf is thin?

• To allow reach inside the cell easier

• To reduce wind resistance
• To store excess water
• To protect against predators

What is the function of vein on the leaf?

• Absorb sunlight for photosynthesis
• Regulate temperature within the leaf
• Store excess water for later use
• Transport water

What is the function of leaf stalk and vein?

• Leaf stalk provides support and orientation

• Leaf stalk transports nutrients to the leaf
• Leaf stalk is the photosynthesis site

• Leaf stalk absorbs sunlight and water

What gives the leaves their green colour?

• Chlorophyll
• Chloroplast

• Carotenoids
• Xanthophyll

Why do leaf has waxy layer?

• To prevent water loss through evaporation and protect the leaf from damage.
• To attract insects for pollination
• To provide a soft surface for insects to land on
• To make the leaf more colorful