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IB Biology Questions



Self-marking revision quizzes

 

All of our questions are written by experienced IBDP teachers and closely match typical questions on recent papers.

New!! A.I. support being rolled out for corrections!
Take a look at topic A (SL quizzes)

Micro (µ) IB

Mini-topic Quizzes: 10 questions in under 10 mins.

SL + HL Topics
A1.1 Water
A1.2 Nucleic Acids
A2.2 Cell Structure +B2.2 organelles
A3.1 Diversity of Organisms
A4.1 Evolution +D4.1 Natural Selection
A4.2 Conservation of Biodiversity
B1.1 Carbohydrates +lipids
B1.2 Proteins
B2.1 Cell Membranes
B2.3 Cell Specialisation
B3.1 Gas Exchange
B3.2 Transport
B4.2 Adaptation to Environment
B4.3 Ecological Niches
C1.1 Enzymes
C1.2 Cell Respiration
C1.3 Photosynthesis
C2.2 Neural Signalling
C3.1 Integration of Body Systems
C3.2 Defence Against Disease
C4.1 Populations + communities
C4.2 Transfers of Energy + matter
D1.1 DNA replication
D1.2 Protein Synthesis
D1.3 Mutations + Gene Editing
D2.1 Cell and Nuclear Division
D2.3 Water Potential
D3.1 Reproduction
D3.2 Inheritance
D3.3 Homeostasis
D4.2 Stability & Change
D4.3 Climate Change
 


HL Only Topics
A1.1 Water AHL
A1.2 Nucleic Acids AHL
A2.1 Origin of Cells
A2.2 Cell Structure AHL
A2.3 Viruses
A3.1 Diversity of Organisms AHL
A3.2 Classification & Cladistics
A4.1 Evolution AHL +D4.1 Natural Selection
B1.2 Proteins AHL
B2.1 Cell Membranes AHL
B2.3 Cell Specialisation AHL
B3.1 Gas Exchange AHL
B3.2 Transport AHL
B3.3 Muscles & Motility
C1.1 Enzymes AHL
C1.2 Cell Respiration AHL
C1.3 Photosynthesis AHL
C2.1 Chemical Signalling
C2.2 Neural Signalling AHL
C3.1 Integration of Body Systems AHL
D1.1 DNA Replication AHL
D1.2 Protein Synthesis AHL
D1.3 Mutations + Gene Editing AHL
D2.1 Cell+Nuclear Division AHL
D2.2 Gene Expression
D2.3 Water Potential AHL
D3.1 Reproduction AHL
D3.2 Inheritance AHL
D3.3 Homeostasis AHL
D4.2/4.3 Stability & Climate AHL

Complete for the 2025 syllabus!

All of these micro tests are quick and easy to complete - great for revision in small topic sections!