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Ch 11 test
Directions:
Questions 1 and 2 refer to the experimental set-up below.
1. The leafy shoot is cut and connected to the apparatus under water because this can
(1) allow water to enter the xylem vessels more easily.
(2) prevent air from entering the xylem vessels.
(3) prevent plasmolysis of the cells of xylem.
A. (1) only
B. (2) only
C. (1) and (3) only
D. (2) and (3) only
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