IB skill practice

Find the rate of oxygen production from a graph

Read two points off an oxygen-produced vs time graph and find the rate of photosynthesis as oxygen over time (the gradient).

Paper 1, Paper 2 1 marks Difficulty 2

Find the rate of oxygen production

The graph shows oxygen produced by a plant during photosynthesis at a constant rate. Read the two marked points, then find the rate of oxygen production in cm³ per minute (cm³/min).