IGCSE Biology (0610) — May–June 2024, Paper 53
2 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
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A student investigated the activity of catalase in tissues from two different plants (potato and apple) by measuring the height of foam produced when hydrogen peroxide was added.…
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Fig. 2.1 is a photomicrograph of the capitulum (top structure) of the egg case from a stick insect, Acrophylla titan. The capitulum is a dome-shaped structure with a small dark…
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