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CAIE IGCSE Biology 8.3.3 Effects of Variation of Temperature Questions

Measure transpiration rate while varying temperature or wind speed and keeping other conditions constant.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • Measure water loss over time to determine transpiration rate.
  • Describe how changing temperature or wind speed affects transpiration rate.

CAIE IGCSE Biology 8.3.3 Effects of Variation of Temperature Questions question 1

[Maximum number: 3]

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

Fig. 5.1

Describe the results shown in Fig. 5.1.

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