A scientist placed a white carnation in a beaker of blue-coloured water. After a few hours, the petals turned blue. Which part of the plant transport system is responsible for this?
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Worked Solution
Step 1: The blue water is taken up from the beaker.
Step 2: Water and minerals are transported upwards by the xylem tubes.
Step 3: The xylem carries the blue dye to the petals, causing the color change.
Correct answer: Xylem
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