A sealed transparent bag is placed around a leafy shoot. No soil is enclosed. After several hours in the light, water droplets form inside the bag.
Which pair of processes explains the appearance of the droplets?
Water leaves by transpiration and droplets form by condensation.
Water enters by precipitation and droplets form by evaporation.
Water enters by condensation and droplets form by transpiration.
Water leaves by evaporation and droplets form by precipitation.
44 exam-style questions on Edexcel GCSE Biology 9.3 Material cycles and decomposition, covering 9.3.1 Cycling of materials through ecosystems, 9.3.2 The carbon cycle, 9.3.3 The water cycle, 9.3.4 The nitrogen cycle, 9.3.5 Indicator species and pollution, 9.3.6 Decomposition in preservation and composting, and 9.3.7 Rate changes in decay of biological material. Each one has a worked solution and a mark scheme showing where the marks go.