Exam 34: Leaf Structure and Function

Usually the only epidermal cells with chloroplasts are:

Figure 34-2 The organization of tissues in the accompanying figure is characteristic of a:

The area where the petiole detaches from the stem is referred to as the:

A cross section of a(n) monocot leaf typically shows veins in both cross-section and lengthwise section.

Which statement describes the leaf epidermis?

Which event is associated with leaf abscission?

During photosynthesis ____ diffuses into the leaf, while ____ diffuses out of the leaf.

Which of the following is true of monocot leaves?

Guard cells are often associated with ____, special epidermal cells that provide a reservoir of water and ions.

Which change is most important in stomatal closing?

Before a stoma opens, ____.

Figure 34-1 The leaf arrangement illustrated in the accompanying figure is:

Leaf abscission is initiated and orchestrated by the hormone abscisic acid .

Leaflike outgrowths at the base of the leaf stalk are referred to as:

The stomatal opening and closing are under the control of ____.

Which structure or structures function to open and close the stomata?

Mesophyll cells are:

After light triggers the activation proton pumps, what happens next in the leaf?

Eudicot leaves typically have:

The rate of transpiration decreases under which of the following conditions?