Practice questions
A free sample of Brainlag Learn questions. Choose a course, then filter by topic and difficulty. Each question opens in Learn, where it is marked and explained.
1415 questions
| Practice questions | Topic | Difficulty |
|---|---|---|
| Using a scale bar | GCSE Biology: Cell biology | 4 marks |
| Resolution and electron microscopes | GCSE Biology: Cell biology | 1 mark |
| Light and electron microscopes: tick two | GCSE Biology: Cell biology | 2 marks |
| Required practical: putting a slide method in order | GCSE Biology: Cell biology | 1 mark |
| Required practical: microscope technique | GCSE Biology: Cell biology | 1 mark |
| Required practical: estimating cell size from the field of view | GCSE Biology: Cell biology | 3 marks |
| Adaptations of specialised cells | GCSE Biology: Cell biology | 1 mark |
| How an adaptation helps a cell | GCSE Biology: Cell biology | 2 marks |
| Differentiation | GCSE Biology: Cell biology | 1 mark |
| Types of stem cell | GCSE Biology: Cell biology | 1 mark |
| Using stem cells | GCSE Biology: Cell biology | 1 mark |
| Using embryonic stem cells to treat a disease (6 marks) | GCSE Biology: Cell biology | 6 marks |
| Cloning plants from meristem tissue | GCSE Biology: Cell biology | 2 marks |
| The order of events in the cell cycle | GCSE Biology: Cell biology | 1 mark |
| What happens in each stage of the cell cycle | GCSE Biology: Cell biology | 1 mark |
| Number of cells after n divisions | GCSE Biology: Cell biology | 2 marks |
| How many divisions, and how long | GCSE Biology: Cell biology | 3 marks |
| Chromosomes and mitosis | GCSE Biology: Cell biology | 2 marks |
| Percentage of cells in each stage | GCSE Biology: Cell biology | 3 marks |
| Time spent in each stage of the cycle | GCSE Biology: Cell biology | 3 marks |
| Chromosomes and why cells divide | GCSE Biology: Cell biology | 1 mark |
| What changes the rate of diffusion | GCSE Biology: Cell biology | 1 mark |
| Diffusion, osmosis or active transport | GCSE Biology: Cell biology | 1 mark |
| Surface area to volume ratio of a cube | GCSE Biology: Cell biology | 4 marks |
| Comparing surface area to volume ratios | GCSE Biology: Cell biology | 4 marks |
| Predicting osmosis | GCSE Biology: Cell biology | 1 mark |
| Percentage change in mass | GCSE Biology: Cell biology | 2 marks |
| Required practical: osmosis results table | GCSE Biology: Cell biology | 3 marks |
| Required practical: reading the osmosis graph | GCSE Biology: Cell biology | 3 marks |
| Required practical: osmosis variables and technique | GCSE Biology: Cell biology | 1 mark |
Questions are shared by every board that teaches the topic.