Standard Science Primary 5 Systems

Which of the following correctly describes the function of the water-carrying tubes in a plant?

A They exchange gases with the surroundings.
B They transport water and mineral salts from the roots to all parts of the plant.
C They transport food from the leaves to all parts of the plant.
D They absorb sunlight for photosynthesis.
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Worked Solution

Step 1: Recall the two types of transport tubes in plants: water-carrying (xylem) and food-carrying (phloem). Step 2: Roots absorb water and dissolved mineral salts from the soil. Step 3: The water-carrying tubes transport these upwards to the rest of the plant.

Correct answer: They transport water and mineral salts from the roots to all parts of the plant.

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