IGCSE Biology (0610) — May–June 2023, Paper 13
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →What are excretion, sensitivity and reproduction characteristics of? A all animals and all plants B animals only C plants only D some animals and some plants
Answer this question and get it marked →The photograph shows an organism (a bird). Which visible feature can be used to classify this organism as a bird? A feathers B lays eggs C two legs D wings
Answer this question and get it marked →The diagram shows an arthropod. Which features are characteristic of all arthropods? A jointed legs and segmented body B jointed legs and thorax C segmented body and wings D…
Answer this question and get it marked →Which statement about cell structure is correct? A An animal cell has a cell wall. B A bacterium has a cell wall. C An animal cell has chloroplasts. D A bacterium has chloroplasts.
Answer this question and get it marked →The photograph shows a limpet. The length of line PQ on the image is 65 mm. The image is at magnification ×2.5. What is the actual diameter of the limpet along line PQ? A 2.6 mm B…
Answer this question and get it marked →By which process does oxygen pass out of a leaf? A diffusion B osmosis C egestion D transpiration
Answer this question and get it marked →A tuber from a potato plant was cut into pieces of identical length. The pieces of potato were placed in four different solutions for three hours. 1 pure water 2 a sugar solution…
Answer this question and get it marked →Which row shows the features of active transport? Columns: requires energy from respiration; movement against a concentration gradient; movement of water molecules only (key: ✓ =…
Answer this question and get it marked →Four different foods were tested to find out what they contained. The results are shown in the table (columns: Benedict's solution test, iodine solution test, biuret test). Which…
Answer this question and get it marked →What is a characteristic of all catalysts? A They are broken down in the reaction. B They are made in the pancreas. C They are not changed by the reaction. D They do not change…
Answer this question and get it marked →This sequence of diagrams shows how an enzyme works, with parts labelled P, Q, R and S. The active site is the part of the enzyme into which the substrate fits. Which labelled…
Answer this question and get it marked →Four test-tubes are set up as shown and left in bright sunlight. They contain combinations of an aquatic plant and/or aquatic animal in water. After several hours, which test-tube…
Answer this question and get it marked →Which statement about photosynthesis is correct? A Carbon dioxide and glucose are the raw materials. B Carbon dioxide and glucose are produced. C Oxygen and glucose are produced.…
Answer this question and get it marked →In humans, which two components of the diet can be broken down to release energy? A carbohydrate and fat B carbohydrate and mineral ions C protein and water D vitamins and protein
Answer this question and get it marked →Which is a part of the small intestine? A colon B ileum C oesophagus D rectum
Answer this question and get it marked →The diagram shows four molecules (options A–D) using a key in which symbols represent amino acid, glucose and chemical bond. Which of these is digested by protease? (Protease…
Answer this question and get it marked →A stem was cut from a plant. The base of the stem was placed into a beaker containing water and a red stain for two hours. The diagram shows a cross-section of the plant stem,…
Answer this question and get it marked →Which pair of processes causes transpiration in plant leaves? Columns: at the surface of mesophyll cells; through the stomata. A absorption of water; evaporation of water B…
Answer this question and get it marked →The diagram shows a section of the human heart with four parts labelled A, B, C and D. Which label identifies the right ventricle? A B C D
Answer this question and get it marked →The diagrams show sections through three types of blood vessel (1, 2 and 3); they are not drawn to the same scale. In which order will red blood cells flow through these vessels…
Answer this question and get it marked →In some animals, gas exchange occurs through the skin. What are the most likely characteristics of the skin in these animals? Columns: surface area; skin; blood supply. A large;…
Answer this question and get it marked →The diagram shows an alveolus and part of a blood vessel, with three arrows (1, 2 and 3) showing the direction of movement of gases. Which arrows represent oxygen only and carbon…
Answer this question and get it marked →Which row about aerobic respiration is correct? Columns: substrates; products. A glucose + carbon dioxide; oxygen + water B glucose + carbon dioxide; oxygen only C glucose +…
Answer this question and get it marked →What is a product of anaerobic respiration in yeast? A alcohol B glucose C oxygen D water
Answer this question and get it marked →The diagram of the excretory system has four parts labelled A, B, C and D. Which part of the diagram of the excretory system is the urethra? A B C D
Answer this question and get it marked →The diagram shows seedlings in two experiments on the tropic response of seedlings to gravity and light. Experiment 1: a seedling kept in the dark (its shoot grows upwards against…
Answer this question and get it marked →The diagram shows a wind-pollinated flower with four parts labelled V, W, X and Y. Which labels are the stigma and anther? A V and W B W and X C X and V D X and Y
Answer this question and get it marked →What is the process when a pollen nucleus fuses with the nucleus in an ovule? A fertilisation B germination C implantation D pollination
Answer this question and get it marked →During puberty, secretion of hormones causes the development of secondary sexual characteristics. What is a characteristic caused by the secretion of testosterone? A breast…
Answer this question and get it marked →Which type of organism causes AIDS? A bacterium B fungus C myriapod D virus
Answer this question and get it marked →The graph shows the frequency of a human characteristic, X, plotted against the value of the characteristic. The distribution is bell-shaped (a normal distribution / continuous…
Answer this question and get it marked →Which row shows some of the features involved in natural selection? Columns: many offspring are produced; humans choose desirable features; alleles are passed onto offspring (key:…
Answer this question and get it marked →Which statement is correct? A Chromosomes are made of DNA. B Chromosomes make up a gene. C Each chromosome is a length of DNA that codes for a protein. D Different forms of…
Answer this question and get it marked →In a species of mammal, black fur colour is dominant and brown fur colour is recessive. Two parents with black fur produce offspring which all have black fur. Later that year, the…
Answer this question and get it marked →What is an example of a characteristic that shows discontinuous variation in humans? A body mass B height C ABO blood groups D width of hand
Answer this question and get it marked →Where does the energy being transferred along a food chain originally come from? A producer B photosynthesis C carbon dioxide D the Sun
Answer this question and get it marked →Which diagram shows energy passing along a food chain? Each option A–D shows boxes for producer, primary consumer, secondary consumer and tertiary consumer joined by arrows. The…
Answer this question and get it marked →The diagram shows a pyramid of biomass for all the organisms in an ecosystem, with four trophic levels labelled P (top), Q, R and S (base). Which organisms are carnivores? A P and…
Answer this question and get it marked →Three human activities are listed. 1 burning fossil fuels 2 deforestation 3 replanting forests The graph shows the concentration of carbon dioxide in the atmosphere increasing…
Answer this question and get it marked →What is a reason for using bacteria in biotechnology? A Bacteria are found inside the human body. B Bacteria do not become resistant to antibiotics. C Bacteria can make complex…
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