IGCSE Biology (0970) — October–November 2024, Paper 12
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Which type of cell moves mucus?
Answer this question and get it marked →A student exposed a fly larva to light and temperature gradients. They lit the area from one side and made one side of the area warmer than the other. They traced the path of the…
Answer this question and get it marked →The table shows the scientific names and the common names of four plants. scientific name common name --- --- Althaea officinalis marsh mallow Hottonia palustris water violet…
Answer this question and get it marked →The diagram shows an arthropod with many body segments and many pairs of legs. Which group does this arthropod belong to?
Answer this question and get it marked →The diagram shows a plant cell with four structures labelled A, B, C and D. Which letter indicates the location of the cell membrane?
Answer this question and get it marked →Which magnification formula is correct?
Answer this question and get it marked →A frog is an animal. The skin of a frog is permeable to oxygen and carbon dioxide. Which directions will have a net diffusion of oxygen and carbon dioxide when a frog swims in…
Answer this question and get it marked →Which statement about plant support is correct?
Answer this question and get it marked →What is a correct statement about active transport?
Answer this question and get it marked →A sample of food was tested with biuret reagent. Which colour would be seen if the food sample contained protein?
Answer this question and get it marked →Which elements are found in fats?
Answer this question and get it marked →Which statements about enzymes are correct? 1 Enzymes are biological catalysts. 2 Enzymes are carbohydrates. 3 Enzymes have an active site.
Answer this question and get it marked →The equation for photosynthesis is shown. ......1...... + ......2...... → glucose + ......3...... Which words correctly complete gaps 1, 2 and 3? 1 2 3 --- --- --- --- A carbon…
Answer this question and get it marked →Which carbohydrate is used to make cell walls?
Answer this question and get it marked →The diagram shows a cross-section of a leaf with three structures labelled X, Y and Z. Which row shows the correct labels? palisade mesophyll cell spongy mesophyll cell stoma ---…
Answer this question and get it marked →The table shows some of the nutrients found in yoghurt. nutrient content per 100 g of yoghurt / g --- --- carbohydrate 6.90 protein 4.80 fat 1.50 calcium 0.16 One serving size of…
Answer this question and get it marked →The diagram shows the alimentary canal and some of the associated organs in a cat. The alimentary canal of a cat is similar to that of a human. Four structures are labelled 1–4.…
Answer this question and get it marked →The diagram shows the four types of teeth in a human jaw, numbered 1–4 and shown in top and side views. Which row correctly identifies all four types of teeth? 1 2 3 4 --- --- ---…
Answer this question and get it marked →What are the products of protein digestion in the stomach?
Answer this question and get it marked →Where is water absorbed?
Answer this question and get it marked →The diagram shows a cross-section of a stem with two structures labelled R and S. Which statement correctly describes the location and function of phloem?
Answer this question and get it marked →Some environmental factors are listed. 1 carbon dioxide concentration 2 temperature 3 oxygen concentration 4 wind speed Which factors directly affect the rate of transpiration?
Answer this question and get it marked →The diagram shows part of a blood vessel with a valve inside it, and an arrow showing blood flowing upwards. Which evidence in the diagram shows that it is a vein and not an…
Answer this question and get it marked →The photomicrograph shows two blood cells that are biconcave disc-shaped (red blood cells). What is the function of these cells?
Answer this question and get it marked →Which row matches a gas in expired air with a substance that can be used to test for the presence of that gas? gas present in expired air test substance --- --- --- A carbon…
Answer this question and get it marked →Which graph shows how temperature affects the rate of anaerobic respiration in yeast? Graph A: flat horizontal line (no change with temperature) Graph B: rises to a peak around…
Answer this question and get it marked →What is the pathway of a reflex arc from the receptor to the effector?
Answer this question and get it marked →What is an effect of adrenaline secretion?
Answer this question and get it marked →What is phototropism?
Answer this question and get it marked →A gardener wants to grow some new plants that are identical to plants that she already has. Which method of reproduction is used, and how many parents are needed for her to grow…
Answer this question and get it marked →What must always be present for seeds to germinate?
Answer this question and get it marked →Which word describes a fertilised cell?
Answer this question and get it marked →Which secondary sexual characteristic is caused by both testosterone and oestrogen?
Answer this question and get it marked →Some ways that diseases can be transmitted are listed. 1 airborne droplets 2 blood and needles 3 food and drink 4 unprotected sex Which ways can transmit HIV?
Answer this question and get it marked →When white-flowered pea plants are crossed with red-flowered pea plants, the offspring plants all have red flowers. If these offspring plants are crossed, the next generation of…
Answer this question and get it marked →What is a description of an adaptive feature?
Answer this question and get it marked →Which diagram shows a pyramid of biomass for the food chain shown? tree → caterpillar → bird Diagram A: large base (tree), medium middle (caterpillar), small top (bird) — correct…
Answer this question and get it marked →Which statement about conservation is correct?
Answer this question and get it marked →