An agricultural scientist is investigating water loss in a crop of Phaseolus vulgaris (common bean) grown within a highly controlled hydroponic chamber.
Define the term transpiration.
Describe and explain how three distinct changes to the environmental conditions within the chamber could be used to decrease the rate of transpiration in these plants.
55 exam-style questions on Edexcel IGCSE Biology Transport. Each one has a worked solution and a mark scheme showing where the marks go.