The Following Questions Are Based on the Drawing of Root

question 35

Multiple Choice

The following questions are based on the drawing of root or stem cross sections shown in Figure 35.2.

Figure 35.2
-Bark becomes scaly because

• A)the cork cambium stops dividing in certain places.
• B)some cork cells die and slough off while others remain alive.
• C)ray parenchyma supplies only the "ridges" of bark.
• D)cork cambium divides only parallel to the surface, and thus does not increase in circumference.
• E)cork cambium has both ray and fusiform initials.

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Definitions:

Cardiovascular System

The organ system that circulates blood through the body, consisting of the heart, blood, and blood vessels.

Palatine Tonsils

A pair of soft tissue masses located at the rear of the throat, part of the immune system.

Red Blood Cells

Cells in the blood that carry oxygen from the lungs to the body's tissues and return carbon dioxide from the tissues back to the lungs.

White Blood Cells

Cells of the immune system involved in defending the body against both infectious disease and foreign materials.