Biology 5090 · O Level · Leaf structure

Leaf structure — practice question

What features of the mesophyll layer in a leaf help carbon dioxide diffuse rapidly into the cells?

  • Aair spaces: ✓; layer of moisture on the outside of the cell walls: ✓
  • Bair spaces: ✓; layer of moisture on the outside of the cell walls: ✗
  • Cair spaces: ✗; layer of moisture on the outside of the cell walls: ✓
  • Dair spaces: ✗; layer of moisture on the outside of the cell walls: ✗

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