Standard Science Primary 5 Systems

How do root hairs help a plant survive?

A By increasing surface area for water absorption
B By storing food made by the leaves
C By anchoring the plant more firmly
D By protecting the roots from insects
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Worked Solution

Step 1: Root hairs are tiny outgrowths of root cells. Step 2: They greatly increase the area in contact with soil water. Step 3: This allows the plant to take in more water and minerals.

Correct answer: By increasing surface area for water absorption

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