Exam 34: Leaf Structure and Function

The spines of a cactus are actually modified:

Eudicot leaves typically have:

What structures provide support to the leaf and prevent it from collapsing under its own weight?

Insectivorous plants:

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

A spine is a modified branch. ____________________

The broad, flat part of a leaf is called the __________, while the stalk that attaches the leaf to the stem is called the __________.

Modified leaves that protect meristematic tissue at the tips of woody plants are known as:

If a plant were placed in continual darkness, it would continue to open and close its stomata at approximately the same time each day.This phenomenon is governed by:

Figure 34-2 Use the figure to answer the corresponding question(s). -The organization of tissues in Figure 34-2 is characteristic of:

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -Explain how the movement of hydrogen and potassium ions across the membranes of guard cells opens and closes the stomata.

Most transpiration occurs through stomata. ____________________

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -exhibit palmately netted venation

Figure 34-2 Use the figure to answer the corresponding question(s). -The middle portion of a leaf that is sandwiched between the upper and lower epidermis is called the:

In cactus plants, the__________ is the main organ of photosynthesis.

Compound leaves have:

MATCHING Indicate whether each of the following characteristics is generally found in monocots or in eudicots. a.monocots b.eudicots -guard cells may be dumbbell shaped

Leaves:

Which of the following is not associated with leaf abscission?

Describe the benefits of transpiration to plants.