A plant was placed in a beaker containing red-coloured water. After 5 hours, the flowers of the plant turned red. Which part of the stem was responsible for this?
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Worked Solution
Step 1: Roots absorb water from the beaker.
Step 2: Water travels up the stem through the xylem (water-carrying tubes).
Step 3: The red dye travels with the water to the petals.
Step 4: Therefore, xylem is responsible.
Correct answer: The water-carrying tubes.
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