Biology: CELL BIOLOGY Topical Past Paper Questions
IB Diploma Programme Biology past-paper questions on CELL BIOLOGY, free. This topic is frequently examined across 17 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
The diagram shows the results of a study of metabolic activity within biofilm cell clusters, using fluorescent tags for specific metabolic markers. (a) Define biofilm. (b) List two examples of problems caused by biofilms. [2] (c) Using the diagram, suggest two factors affecting t…
The electron micrograph shows parts of two cells. (a) Identify organelles I to III. [3] (c) State the function of flagella and ribosomes in prokaryotic cells. Flagella: Ribosomes:
Multicellular organisms benefit from cell specialization and division of labour. (a) Outline the processes occurring during interphase in the cell cycle. [4] (b) Describe what occurs in a neuron when an action potential is propagated along the axon. [4] (c) Explain how cells in t…
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