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Transpiration and the transpiration stream

Transpiration and the transpiration stream

Transpiration is the loss of water vapour from a plant's leaves and stems, mainly through the stomata. It occurs when water evaporates from wet mesophyll cell walls and then diffuses out of the leaf.

2.2.7 Transpiration and translocation Lesson

  1. GCSE
  2. /Biology
  3. /2.2.7 Transpiration and translocation

Step-by-step lessons on OCR GCSE Biology 2.2.7 Transpiration and translocation. Each one builds up to exam-style questions. Start with the foundational topics and build up to the higher-tier material.

Lessons