General Biology: Leaves - Leaf Structure and Arrangement

What is the leaf blade of a typical leaf called?

• Lamina

• Stipule

• Midrib

• Petiole

What are small green appendages usually found at the base of the petiole called?

• Petiole

• Lamina

• Stipule

• Midrib

What is the arrangement of veins in a leaf called?

• Converging venation

• Dichotomous venation

• Reticulate venation

• Parallel venation

What is the term for the stalk that extends from the stem to the base of the leaf?

• Petiole

• Midrib

• Lamina

• Stipule

In which leaf arrangement do two leaves connect at a node?

• Alternate

• Spiral

• Whorled

• Opposite

What is the widest part of the leaf called?

• Stipule

• Midrib

• Petiole

• Lamina

What is the term for leaves that are directly attached to the plant stem without a petiole?

• Petiole

• Lamina

• Stipule

• Sessile

In which leaf arrangement are leaves arranged in a spiral along the stem?

• Opposite

• Alternate

• Spiral

• Whorled

What is the term for the edge of the leaf?

• Margin

• Petiole

• Stipule

• Lamina

In which leaf arrangement do three or more leaves connect at a node?

• Alternate

• Spiral

• Opposite

• Whorled