Question

Give reasons for the following.
1. If the layer of phloem on a stem is peeled off, the part just above the cut gets swollen
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Answer 1

Explanation:

What Happens When The Tubes Are Cut? Food that is made by the leaves will not be able to move down the stem to be transported to the other parts of the plant. As a result, this causes the food/starch to accumulate and swell at the opening/end of the cut.

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Answer 2

Explanation:

becous xylem absorb water