IGCSE Biology (0970) — October–November 2024, Paper 32
8 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Fig. 1.1 is a photomicrograph showing a cross-section of an artery. [Fig. 1.1: Photomicrograph of an artery cross-section showing a circular structure with a thick muscular wall…
Answer this question and get it marked →Tick (✓) all the boxes that describe enzymes. Statement --- they are permanently changed by the reaction they are involved in all metabolic reactions they are proteins they are…
Answer this question and get it marked →Fig. 3.1 is a diagram of part of the carbon cycle showing: carbon in the atmosphere at top; carbon in plants on the left with arrow Q going up (to atmosphere) and arrow S going…
Answer this question and get it marked →A population of a species of fish was accidentally introduced into a lake. State two features that can be used to classify this introduced species as a fish. 1 2
Answer this question and get it marked →A student investigated the effect of windspeed on the rate of transpiration. The student placed a fan at different distances from a plant shoot and measured the distance the air…
Answer this question and get it marked →Fig. 6.1 is a photograph of intensive egg production on a chicken farm, showing rows of cages with chickens and a worker collecting eggs on a conveyor belt. In 1905, each chicken…
Answer this question and get it marked →A scientist investigated the effect of the enzyme pectinase on the volume of fruit juice produced by the same mass of two different fruits. Fig. 7.1 shows the results: a bar chart…
Answer this question and get it marked →Alveoli are the gas exchange surfaces in humans. State two features of gas exchange surfaces in humans. 1 2
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