IGCSE Biology (0610) — October–November 2023, Paper 11
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →Some processes carried out by living organisms are listed. 1 egestion 2 excretion 3 reproduction 4 respiration Which processes are carried out by all living organisms? A 1, 2, 3…
Answer this question and get it marked →The scientific name for humans is Homo sapiens. What does Homo refer to? A mammal B genus C kingdom D species
Answer this question and get it marked →Which row is correct for arthropod classification? Columns: arthropod group; antennae present; number of body parts; number of legs. A arachnids; no; 2; 6 B crustaceans; yes; 3; 8…
Answer this question and get it marked →In a mesophyll cell, where are chloroplasts found? A between the cell wall and the cell membrane B in the cytoplasm C in the nucleus D in the vacuole
Answer this question and get it marked →The cell shown in the diagram has been magnified 3000 times. The diagram is 21 mm wide. What is the actual diameter of the cell? A 21 mm B 21 mm ÷ 3000 C 21 mm × 3000 D 3000 ÷ 21…
Answer this question and get it marked →The diagrams show how a cell appears under the microscope at the start of an experiment and after it has been placed in a dilute solution of salts for 5 minutes (the cell becomes…
Answer this question and get it marked →What causes the diffusion of oxygen into a plant cell? A active transport B movement of molecules C osmosis D photosynthesis
Answer this question and get it marked →What is the colour change shown by Benedict's solution when heated with a reducing sugar? A blue to purple B blue to red C brown to blue-black D red to yellow
Answer this question and get it marked →The diagram shows the digestive system with four parts labelled A, B, C and D. Which part absorbs the most water? A B C D
Answer this question and get it marked →The graph shows the effect of temperature on the activity of four different enzymes (P, Q, R, S) against temperature (0–110 °C). Which conclusion about the data in the graph is…
Answer this question and get it marked →Which colour does hydrogencarbonate indicator turn if the carbon dioxide concentration is increased? A green B red C violet D yellow
Answer this question and get it marked →The diagram shows a test-tube at the start and at the end of an enzyme experiment (enzyme + substrate → enzyme + products, after 10 minutes at 35 °C). At the end of the…
Answer this question and get it marked →The diagram shows the teeth in the lower jaw of a human, with four teeth labelled A, B, C and D. Which tooth is a molar? A B C D
Answer this question and get it marked →What is meant by chemical digestion? A Large insoluble molecules are broken down into small soluble molecules. B Large soluble molecules are broken down into small insoluble…
Answer this question and get it marked →Which food is a good source of vitamin C? A bread B cheese C chicken D oranges
Answer this question and get it marked →What is a description of transpiration? A exchange of gases between the leaf and the atmosphere B loss of water vapour from the leaves of a plant C movement of water from the…
Answer this question and get it marked →Parts of a plant are listed. 1 mesophyll cells 2 root cortex cells 3 root hair cells 4 xylem vessels What is the pathway taken by water in the plant? A 1→4→2→3 B 1→2→3→4 C 3→1→4→2…
Answer this question and get it marked →Parts of the human circulatory system are listed. 1 arteries 2 capillaries 3 heart 4 veins Which structures have valves to ensure the one-way flow of blood? A 1 and 2 B 2 and 4 C…
Answer this question and get it marked →Which type of cells produce antibodies? A ciliated cells B platelets C red blood cells D white blood cells
Answer this question and get it marked →What is an example of a transmissible disease? A coronary heart disease caused by eating a high fat diet B AIDS C liver disease caused by excessive alcohol consumption D scurvy
Answer this question and get it marked →Which table correctly shows the difference in composition of inspired air compared with expired air? Each option A–D is a table with rows oxygen and carbon dioxide and columns…
Answer this question and get it marked →What is the site of gas exchange in humans? A nose B alveoli C bronchus D trachea
Answer this question and get it marked →Three statements about anaerobic respiration are listed. 1 In humans, the product is lactic acid. 2 In yeast, the product is lactic acid. 3 It releases more energy per glucose…
Answer this question and get it marked →Which organ produces insulin? A adrenal gland B liver C ovary D pancreas
Answer this question and get it marked →The diagram shows the human excretory system with four structures labelled A, B, C and D. Which labelled structure is the urethra? A B C D
Answer this question and get it marked →The diagrams show three types of neurones, labelled L, M and N (not to scale). Which sequence shows the direction that impulses will travel during a reflex action? A L→M→N B M→L→N…
Answer this question and get it marked →Which part of the eye detects red light? A cornea B iris C optic nerve D retina
Answer this question and get it marked →The diagram shows a human sperm cell with four structures labelled A, B, C and D. Which structure digests the egg cell membrane? A B C D
Answer this question and get it marked →Which diseases can be successfully treated with antibiotics? Columns: diseases caused by bacteria; rickets; diseases caused by viruses (key: ✓ = can be treated, blank = cannot be…
Answer this question and get it marked →Some species of plants can reproduce by producing bulbs. The diagram shows a bulb (with leaves above soil and roots below). The bulb is produced by one parent plant and will grow…
Answer this question and get it marked →Which diagram of the male reproductive system is correctly labelled? Each option A–D labels structures such as the urethra, sperm duct, testis, scrotum and prostate gland. The…
Answer this question and get it marked →What can be used to reduce the transmission of HIV? Columns: face masks; screening blood donors; sterile needles for drug users; washing hands (key: ✓ = can be used to reduce…
Answer this question and get it marked →Which statement about the human sex chromosomes is correct? A Females have an X chromosome and a Y chromosome. B Females have two Y chromosomes. C Males and females have at least…
Answer this question and get it marked →The inheritance of seed colour in pea plants is controlled by a single gene. The allele for yellow seed colour, Y, is dominant. The allele for green seed colour, y, is recessive.…
Answer this question and get it marked →The graph shows the heights of students in a class (number of students against height / cm in 5 cm bands from 140–144 to 180–184). What is a correct statement for these data? A…
Answer this question and get it marked →Which process decreases the amount of carbon dioxide in the atmosphere? A combustion B decomposition C photosynthesis D respiration
Answer this question and get it marked →It is estimated that 90% of the energy which flows through living organisms in a food chain is lost between one trophic level and the next. The producers in a food chain contain…
Answer this question and get it marked →What can increase as a result of deforestation? 1 extinctions 2 flooding 3 biodiversity A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only
Answer this question and get it marked →The diagram shows the position of a farmer's field near a river. The farmer uses chemical fertilisers that drain into the river, causing pollution; high concentrations result in…
Answer this question and get it marked →The diagram shows a food web with organisms grass, corn, rabbit, grasshopper, flea, lizard and hawk. Which food chain shows a correct flow of energy through the web? A corn →…
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