Practice IB Biology Topic B3.2 Transport with authentic exam-style questions for both SL and HL students. This question bank focuses on the exact syllabus content for B3.2 Transport and mirrors Paper 1A, 1B, 2 style where relevant.
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A blood vessel appears in a micrograph with a thin wall, wide lumen, and irregular shape. What is it most likely to be?
Why do arteries have thick elastic and muscle layers in their walls?
What is the function of elastic fibres in artery walls?
What is a likely consequence of coronary artery occlusion?
Where is xylem typically located in a transverse section of a dicotyledonous stem?