Advanced Science Primary 5 Systems

What happens to the transport of materials in a plant if the xylem tubes are blocked?

A Food cannot be transported to the roots.
B Oxygen cannot be taken in by the leaves.
C Water and mineral salts cannot be transported to the leaves.
D The plant will grow faster.
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Worked Solution

Step 1: Recall the function of xylem (transport water and minerals). Step 2: Identify the direction of flow (roots to leaves). Step 3: If blocked, the leaves will not receive water, leading to wilting.

Correct answer: Water and mineral salts cannot be transported to the leaves.

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