Multiple choice

In which of the following regions is the surface area increased for better absorption?

  1. Root cap region

  2. Apical meristem region

  3. Elongation region

  4. Root hair region

  5. Mature region
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

As the cells reach their maximum length, many epidermal cells develop lateral protrusions called root hairs. These serve to increase surface area for better absorption.

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