StudyDex
Search...
K
Home
My StudyDex
Past Papers
Search
A-Level
GCSE
IGCSE
© 2025 StudyDex
A-Level Biology OCR A H420
Papers
Topics
My Progress Tracker
Don't understand
Need more practice
Understood
#
Topic
Progress
1.1.1
Planning
1.1.2
Implementing
1.1.3
Analysis
1.1.4
Evaluation
1.2.1
Practical skills
1.2.2
Use of apparatus and techniques
2.1.1
Cell structure
2.1.2
Biological molecules
2.1.3
Nucleotides and nucleic acids
2.1.4
Enzymes
2.1.5
Biological membranes
2.1.6
Cell division, cell diversity and cellular organisation
3.1.1
Exchange surfaces
3.1.2
Transport in animals
3.1.3
Transport in plants
4.1.1
Communicable diseases, disease prevention and the immune system
4.2.1
Biodiversity
4.2.2
Classification and evolution
5.1.1
Communication and homeostasis
5.1.2
Excretion as an example of homeostatic control
5.1.3
Neuronal communication
5.1.4
Hormonal communication
5.1.5
Plant and animal responses
5.2.1
Photosynthesis
5.2.2
Respiration
6.1.1
Cellular control
6.1.2
Patterns of inheritance
6.1.3
Manipulating genomes
6.2.1
Cloning and biotechnology
6.3.1
Ecosystems
6.3.2
Populations and sustainability
PAG
Practical Endorsement