IB Biology Topic Tests
Attempt our pre-built tests for IB Biology. These IB Biology topic tests are designed to accelerate your learning; some tests use our main question bank, and others use unseen questions.
Topic 1 - Molecules & Metabolism
Master IB Biology Topic 1: Molecules & Metabolism. Access comprehensive study notes on the foundational molecules of life, including water, nucleic acids, carbohydrates, lipids, and proteins. Dive deep into essential biological processes such as enzyme catalysis, cellular respiration, photosynthesis, DNA replication, protein synthesis, and genetic mutations for both SL and HL.
Topic 2 - Cells & Signalling
Ace IB Biology Topic 2: Cells & Signalling. Discover the structural and functional units of life with detailed materials on cell origins, eukaryotic and prokaryotic structures, and viruses. Master complex concepts like lipid bilayers, membrane transport, organelle compartmentalisation, stem cell specialisation, neural and chemical signalling, and gene expression.
Topic 3 - Organisms
Excel in IB Biology Topic 3: Organisms. Explore diverse biological systems with in-depth resources covering organism classification, cladistics, and biodiversity. Understand vital physiological mechanisms, including plant and animal gas exchange, internal transport, muscle motility, immune defence against disease, reproduction, monogenic and polygenic inheritance, and human homeostasis.
Topic 4 - Ecosystems
Navigate IB Biology Topic 4: Ecosystems with our comprehensive study guides. Learn about the intricate interactions between organisms and their environments, covering evolution, speciation, and biodiversity conservation. Master core ecological concepts including energy and matter transfer, population dynamics, natural selection, ecological niches, stability, and the biological impacts of climate change.