Siti placed a white carnation in a beaker of red-coloured water. After six hours, she noticed that the petals turned red. Which part of the plant transport system was responsible for this?
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Worked Solution
Step 1: The red water was taken up from the beaker through the stem to the petals.
Step 2: The xylem is the tissue responsible for transporting water and mineral salts upwards from the roots.
Step 3: Therefore, the xylem carried the red dye to the petals.
Correct answer: Xylem
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