Monocots · Botany

In many monocot leaves, which cells help rolling and unrolling during water stress?

  1. Companion cells
  2. Tracheids
  3. Root hair cells
  4. Bulliform cells
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Correct answer: Bulliform cells

Bulliform cells are large epidermal cells found in many grass leaves. When they lose turgor, the leaf may roll, helping reduce water loss during dry conditions.

Difficulty: Medium Question 10 of 18

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