CAIE IGCSE Biology 8.3.4 Water Vapour Loss Is Related Questions
Relate internal leaf surface area and stomatal size or number to water-vapour loss.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- Explain how mesophyll air spaces provide a large internal surface area for water loss.
- Explain how stomatal size and number affect water-vapour loss.
CAIE IGCSE Biology 8.3.4 Water Vapour Loss Is Related Questions question 1
Fig. 5.1 is a graph showing the effect of temperature on the rate of transpiration from the upper and lower surfaces of a leaf that is provided with a constant supply of water.
Fig. 5.1
Suggest how the structure of the lower surface differs from the upper surface of the leaf used in this investigation.
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