Biology 9-1 4BI1: Structure and Functions in Living Organisms Topical Past Paper Questions
Edexcel IGCSE (9-1) Biology 9-1 (4BI1) past-paper questions on Structure and Functions in Living Organisms, free. This topic is frequently examined across 13 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
Hepatitis B is a virus that can infect humans. Scientists have developed edible vaccines for hepatitis B by genetically modifying potatoes. The genetically modified (GM) potatoes produce viral hepatitis B proteins on the surface of their cells. (a) The GM potatoes contain a viral…
(a) The diagram shows a section through the skin with some structures labelled. (i) Which structure is the sweat gland? A P B Q C S D T (1) (ii) Which structure is a capillary? A Q B R C S D T ( (iii) Describe the changes that take place in the blood vessels in the skin if a pers…
Smoking cigarettes has harmful effects on the body. Graph 1 shows the number of hospital admissions in thousands due to conditions caused by smoking each year from 2009 to 2019. Number of hospital admissions caused by smoking in thousands Graph1 (a) Using information from Graph 1…
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