IGCSE Sciences - Co-Ordinated (0654) — October–November 2023, Paper 31
12 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 diagram of the female reproductive system in humans, with parts labelled A, B, C, D (down the right side) and E (on the left). Identify the letters in Fig. 1.1 that…
Answer this question and get it marked →Air is a mixture of gases. Fig. 2.1 shows two pie charts representing samples of air, A and B. Each pie chart is divided into segments labelled 'other gases', 'oxygen' and 'gas…
Answer this question and get it marked →Fig. 3.1 shows four forces, A, B, C and D, acting on a submarine travelling underwater at a constant depth and at constant speed. A points up, C points down, B points forward (in…
Answer this question and get it marked →A student records their pulse rate in beats per minute (bpm) during different types of activity. Fig. 4.1 shows a bar chart of the results, with bars for resting, cycling,…
Answer this question and get it marked →State the compound from Table 5.1 that is an unsaturated hydrocarbon.
Answer this question and get it marked →Fig. 6.1 shows an incomplete circuit diagram containing lamp A, lamp B and a component X. Complete the circuit diagram in Fig. 6.1 by: - adding an ammeter to measure the current…
Answer this question and get it marked →Horses are herbivores. Define the term herbivore.
Answer this question and get it marked →Table 8.1 gives statements about molecules in solids and gases. Put a tick next to each statement to show if it refers to a solid or to a gas. statement solid gas --- --- ---…
Answer this question and get it marked →Train track is made of lengths of steel rails with small gaps between them. Fig. 9.1 shows some train track with small gaps marked. Suggest why gaps are left between the steel…
Answer this question and get it marked →A student investigates the conditions required for the germination of seeds. Fig. 10.1 shows the apparatus and conditions in four test-tubes A, B, C, D. A: room temperature (20…
Answer this question and get it marked →A student investigates the reaction between magnesium and dilute sulfuric acid. During the reaction, hydrogen gas and a salt are made. Complete the word equation for this…
Answer this question and get it marked →A cyclist is riding a bicycle around a circular track. The length of the track is 400 m. The cyclist completes five laps of the track. The time taken for each lap is measured and…
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