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 |
|---|---|---|
| Define the words of inheritance | GCSE Biology: Inheritance, variation and evolution | 3 marks |
| A cross: genotypes, ratios and numbers | GCSE Biology: Inheritance, variation and evolution | 6 marks |
| Population, community, habitat and ecosystem | GCSE Biology: Ecology | 1 mark |
| Abiotic and biotic factors | GCSE Biology: Ecology | 1 mark |
| Interdependence in a food web | GCSE Biology: Ecology | 2 marks |
| Structural, behavioural and functional adaptations | GCSE Biology: Ecology | 1 mark |
| Explaining an adaptation | GCSE Biology: Ecology | 3 marks |
| Competition and extremophiles | GCSE Biology: Ecology | 1 mark |
| Reading a graph of distribution against an abiotic factor | GCSE Biology: Ecology | 4 marks |
| Percentage cover from a gridded quadrat | GCSE Biology: Ecology | 4 marks |
| Population from quadrats that are not 1 m² | GCSE Biology: Ecology | 4 marks |
| Required practical: a belt transect into a wood | GCSE Biology: Ecology | 5 marks |
| Reading distribution along a transect | GCSE Biology: Ecology | 3 marks |
| Capture-recapture | GCSE Biology: Ecology | 3 marks |
| Capture-recapture: the assumptions | GCSE Biology: Ecology | 1 mark |
| Required practical: designing a field investigation | GCSE Biology: Ecology | 1 mark |
| Plan: comparing a plant population in two areas (6 marks) | GCSE Biology: Ecology | 6 marks |
| Parasitism, mutualism, predation or competition | GCSE Biology: Ecology | 1 mark |
| Parasites, hosts and mutualism | GCSE Biology: Ecology | 1 mark |
| Populations, communities and the factors that affect them | GCSE Biology: Ecology | 5 marks |
| How an adaptation helps | GCSE Biology: Ecology | 5 marks |
| Define the terms of ecology | GCSE Biology: Ecology | 3 marks |
| Estimating a population with quadrats | GCSE Biology: Ecology | 7 marks |
| Capture-recapture, forwards and backwards | GCSE Biology: Ecology | 7 marks |
| A belt transect from under a tree | GCSE Biology: Ecology | 6 marks |
| mm, μm and nm | GCSE Biology: Required practicals and maths skills | 1 mark |
| Magnification | GCSE Biology: Required practicals and maths skills | 2 marks |
| Real size from magnification | GCSE Biology: Required practicals and maths skills | 2 marks |
| Sizes in standard form | GCSE Biology: Required practicals and maths skills | 1 mark |
| Total magnification of a microscope | GCSE Biology: Required practicals and maths skills | 1 mark |
Questions are shared by every board that teaches the topic.