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CAIE IGCSE Biology 8.3.1 Definition of Transpiration

Practise distinguishing transpiration from water uptake or xylem transport by focusing on water vapour loss from leaves.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • define transpiration as the loss of water vapour from the leaves of a plant
  • distinguish vapour loss from liquid water movement through roots or xylem
  • identify the arrow or stage where water leaves a plant in gaseous form

8.3.1—Transpiration as the loss of water question 1

[Maximum number: 1]

Fig. 3.1 shows some apparatus that was used to investigate water loss from a leafy shoot.

Fig. 3.1

Fig. 3.1

State the name of the process by which leafy shoots lose water.

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