Study the table below showing the functions of two tubes, X and Y, in a plant stem. What do tubes X and Y represent?
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Worked Solution
Step 1: Tube X transports substances upwards only. This is the water-carrying tube (xylem) which moves water from roots to leaves.
Step 2: Tube Y transports substances both upwards and downwards. This is the food-carrying tube (phloem) which moves food from leaves to all other parts.
Step 3: Match X and Y correctly.
Correct answer: X: Water-carrying tube; Y: Food-carrying tube
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