An experiment is set up using a bubble potometer to study the rate of transpiration in a leafy shoot under different wind speeds.
What does the movement of the air bubble in the capillary tube of the potometer directly measure?
The volume of water lost by evaporation from the leaves of the shoot
The volume of water taken up by the shoot
The volume of water produced during respiration in the shoot cells
The volume of water utilized in photosynthesis by the shoot
82 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.