Standard Science Primary 5 Systems

What is the primary difference in the direction of transport between water-carrying tubes and food-carrying tubes?

A Water moves in all directions; food moves only downwards.
B Water moves only upwards; food moves in all directions.
C Both move in all directions.
D Both move only upwards.
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Worked Solution

Step 1: Xylem (water) carries water/minerals from roots to leaves (one way: up). Step 2: Phloem (food) carries sugar from leaves to all parts, including roots and fruits (multi-way).

Correct answer: Water moves only upwards; food moves in all directions.

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