Check your understanding of concepts from 18·13–18·16 Plants have two types of growth, usually enabling lifelong increases in length and thickness by answering the following questions.
1. When, after seed germination, does photosynthesis begin?
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B. |
C. |
D. |
E. |
2. Which of the following is NOT true about seeds?
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B. |
C. |
D. |
E. |
3. Trees are different from animals in that trees have:
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B. |
C. |
D. |
E. |
4. Meristem cells divide to produce two new cells. One of these differentiates into a specific type of tissue. The other cell:
A. |
B. |
C. |
D. |
E. |
5. Secondary xylem is the main component of:
A. |
B. |
C. |
D. |
E. |
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