Standard Science Primary 5 Systems

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

A To absorb water directly from the air.
B To transport water and mineral salts from the roots to the rest of the plant.
C To store excess food for the plant.
D To transport food from the leaves to the roots.
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Worked Solution

Step 1: The plant transport system consists of water-carrying and food-carrying tubes. Step 2: Roots absorb water and mineral salts from the soil. Step 3: The water-carrying tubes (xylem) transport these upwards to the stem and leaves.

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

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