Biology 9700 · AS & A Level · The gas exchange system

The gas exchange system — practice question

The photomicrograph shows a leaf in transverse section. Which features are typical of xerophytes?

  • A1, 3, 4 and 5
  • B1, 2 and 3
  • C1, 2 and 5
  • D2, 3, 4 and 5

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