The Following Questions Are Based on the Drawing of Root

question 21

Multiple Choice

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

Figure 35.2
-How does the fass mutation in Arabidopsis result in a stubby plant rather than a normal elongated one?

• A)Cellulose microfibrils in the cell wall do not form, resulting in a shorter plant.
• B)Lack of formation of the preprophase band results in random planes of cell division.
• C)The cell's pattern of migration in the apical meristem is disrupted.
• D)Meristem identity genes produce defective transcription factors, resulting in a stubby shoot.
• E)Juvenile nodes retain their juvenile status and elongated cells do not develop.

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