A student investigates anaerobic respiration in yeast. The student collects the carbon dioxide produced in a gas syringe. The table shows the results. Table
| Time in minutes | 0 | 2 | 4 | 6 | 8 | 10 |
|---|---|---|---|---|---|---|
| Volume of carbon dioxide in cm3\text{cm}^3cm3 | 0 | 6.5 | 12.0 | 18.5 | 24.5 | 30.5 |
| What is the mean rate of carbon dioxide production between 2 minutes and 10 minutes, in cm3\text{cm}^3cm3 per minute? |
2.42.42.4
3.13.13.1
3.83.83.8
3.03.03.0
113 exam-style questions on OCR GCSE Biology 1.3 Respiration, covering 1.3.1 Cellular respiration supplies ATP, 1.3.2 Aerobic and anaerobic respiration, 1.3.3 Sugars and carbohydrates, 1.3.4 Amino acids and proteins, and 1.3.5 Fatty acids and lipids. Each one has a worked solution and a mark scheme showing where the marks go.