IGCSE Biology (0970) — May–June 2025, Paper 31
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 shows some specialised cells (cells A-E, described in the stimulus). State the letters from Fig. 1.1 that identify the cell or cells that: contain an acrosome…
Answer this question and get it marked →A student investigated the effect of carbon dioxide concentration on the rate of photosynthesis in an aquatic plant. Sodium hydrogencarbonate was used to provide different…
Answer this question and get it marked →The list shows some of the organs in the digestive system. large intestine liver oesophagus pancreas salivary gland stomach The words in the list can be used once, more than once…
Answer this question and get it marked →The eye is a sense organ. Complete the sentence to describe sense organs. Sense organs are groups of ................. cells responding to specific ................. such as…
Answer this question and get it marked →A student investigated the effect of immersing cylinders of potato tissue in different concentrations of sucrose solution. The mass of a potato cylinder was measured before…
Answer this question and get it marked →Table 6.1 shows some information about three different types of blood vessel. Circle the correct name of the type of blood vessel in each row in Table 6.1. type of blood vessel…
Answer this question and get it marked →Some pollution in oceans is caused by discarded plastics. Macroplastics are 0.5 cm and greater in diameter. Microplastics are smaller than 0.5 cm in diameter. State the smallest…
Answer this question and get it marked →Reproduction is one characteristic of living organisms. State two other characteristics.
Answer this question and get it marked →