IGCSE Sciences - Co-Ordinated (0973) — May–June 2025, Paper 32
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 a bacterial cell. The diagram shows a rod-shaped cell with a cell membrane (labelled), an outer boundary layer labelled A, looped DNA in the cytoplasm…
Answer this question and get it marked →Pea plants produce seeds. The seeds are either green or yellow. Complete the sentences about pea plants. Use words from the list. asexual continuous discontinuous genotypes…
Answer this question and get it marked →Humans are able to detect and respond to changes in their internal and external environment. The ability to detect and respond to changes in the environment is one of the…
Answer this question and get it marked →Fig. 4.1 is a picture of a rhino. Rhinos only eat plants. Tick (✓) two boxes that describe rhinos. carnivore decomposer herbivore primary consumer producer secondary consumer
Answer this question and get it marked →Fig. 5.1 lists five chemical processes and the descriptions of these processes. On Fig. 5.1, draw one straight line from each process to the correct description. Chemical…
Answer this question and get it marked →Ethanol has the formula C2H5OH. Explain why ethanol is not a hydrocarbon.
Answer this question and get it marked →An atom of copper is represented by 64/29 Cu (nucleon/mass number 64, proton number 29). State what the number 29 represents.
Answer this question and get it marked →Calcium carbonate has the formula CaCO3. State the number of different elements shown in this formula.
Answer this question and get it marked →Fig. 9.1 shows the speed–time graph for a short car journey. The line starts at the origin and rises in a straight line to a speed of 8 m/s at time 40 s; the speed stays constant…
Answer this question and get it marked →A scientist is studying a polar bear. State the minimum frequency audible to humans. minimum frequency = .................... Hz
Answer this question and get it marked →The Earth is a planet in our Solar System. List the other seven planets in our Solar System in order from closest to the Sun. Do not include Pluto in your list. (Earth is already…
Answer this question and get it marked →Fig. 12.1 shows the circuit symbols for three electrical components, X, Y and Z, used in an electric torch (flashlight). Component X is the symbol for a cell (a long line and a…
Answer this question and get it marked →