Standard Science Primary 5 Systems

Study the table below. Which of the following correctly identifies Tube X and Tube Y in a plant?

A X: Stomata, Y: Water-carrying tube
B X: Water-carrying tube, Y: Food-carrying tube
C X: Food-carrying tube, Y: Water-carrying tube
D X: Root hair, Y: Stomata
Show Worked Solution

Worked Solution

Step 1: Tube X transports a substance upwards only. This is the characteristic of water-carrying tubes (xylem) moving water from roots to leaves. Step 2: Tube Y transports a substance upwards and downwards. This is the characteristic of food-carrying tubes (phloem) distributing food from leaves to all parts. Step 3: Match the functions to the correct tubes.

Correct answer: X: Water-carrying tube, Y: Food-carrying tube

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