Siti observed a cross-section of a plant stem and noted the functions of Tube X and Tube Y. Which of the following correctly identifies the substances transported by Tube X and Tube Y?
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Worked Solution
Step 1: Tube X transports substances from roots to leaves (upwards only). This is the water-carrying tube.
Step 2: Tube Y transports substances from leaves to all parts of the plant. This is the food-carrying tube.
Step 3: Match the functions to the tubes.
Correct answer: Tube X transports water; Tube Y transports food.
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