Standard Science Primary 5 Systems

What is the main function of the water-carrying tubes in a plant?

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

Step 1: Plants absorb water and mineral salts from the soil using their roots. Step 2: These essential substances need to be transported upwards to the leaves for photosynthesis. Step 3: The water-carrying tubes (xylem) perform this upward transport function.

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

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