Standard Science Primary 5 Systems

Tim observed an aphid (a tiny insect) feeding on a plant stem. The aphid feeds on the sugary liquid produced by the plant. Which tube is the aphid piercing to get this liquid?

A The water-carrying tube
B The food-carrying tube
C The root hair
D The stem lining
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Worked Solution

Step 1: Plants produce food (sugary liquid/glucose) during photosynthesis. Step 2: This food is transported throughout the plant via the food-carrying tubes (phloem). Step 3: The aphid must piece these specific tubes to access the sugary liquid.

Correct answer: The food-carrying tube

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