IGCSE Biology (0970) — May–June 2024, Paper 31
7 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 photograph showing different stages of bread-making. Bread dough is made by mixing flour, water and yeast together. Bread dough A has just been mixed. Bread dough B…
Answer this question and get it marked →Enzymes are biological catalysts. Describe what is meant by a catalyst.
Answer this question and get it marked →A student investigated how surface area affected the rate of diffusion using agar cubes (volume 1 cm3) dyed with a red indicator that turns yellow in acid. The cubes were cut into…
Answer this question and get it marked →Symptoms of the disease influenza may include sneezing. Fig. 4.1 shows a sign at a hospital reading 'Always wash hands after sneezing'. Explain why washing your hands after…
Answer this question and get it marked →A student investigated the conditions needed for the germination of cress seeds. Fig. 5.1 shows five test-tubes A–E with different conditions: A damp cotton wool 4 °C; B dry…
Answer this question and get it marked →Cabbages are crop plants. Fig. 6.1 shows an area where the forest has been removed to create space for a monoculture of cabbage plants. Describe reasons for habitat destruction,…
Answer this question and get it marked →Fig. 7.1 is a diagram of the human digestive system with parts labelled A–J. State the letter in Fig. 7.1 that identifies: the gall bladder ............ the organ that secretes…
Answer this question and get it marked →