IGCSE Biology (0610) — May–June 2025, Paper 42
6 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 shows part of the human gas exchange system. The diagram shows the trachea (with rings of cartilage labelled) dividing into branches that enter the lung. Structure A is…
Answer this question and get it marked →Fig. 2.1 is a photomicrograph of human blood. The image shows numerous round red blood cells, with several labelled structures: E and G are larger nucleated white cells, F is a…
Answer this question and get it marked →Scientists developed genetically modified (GM) maize. Fig. 3.1 shows the mass of GM maize grown in one country from 2000 to 2015. The bar chart shows mass of GM maize (in million…
Answer this question and get it marked →Xerophytes are plants that show adaptive features for dry habitats. Complete the sentence to define the term adaptive feature. An adaptive feature is an ............... feature…
Answer this question and get it marked →Fig. 5.1 is a diagram of a plant root hair cell. The diagram shows an elongated root hair cell with a key indicating nitrate ions (shown as crosses) and water molecules (shown as…
Answer this question and get it marked →A scientist investigated the effect of changes in pH on the activity of two different protease enzymes. Each enzyme was placed in a hole in the centre of a jelly layer in a Petri…
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