IGCSE Biology (0970) — 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), which branches into the lungs. Structure A points to the…
Answer this question and get it marked →Fig. 2.1 is a photomicrograph of human blood. Several rounded biconcave red blood cells fill most of the field. Label E points to a large white blood cell with a multi-lobed…
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. It is a bar chart with year (2000 to 2015) on the…
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 that…
Answer this question and get it marked →Fig. 5.1 is a diagram of a plant root hair cell. The cell has an elongated root hair projection extending into the surrounding soil. A key indicates that crosses (×) represent…
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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