IGCSE Biology (0970) — May–June 2025, Paper 11
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →The diagram shows how a seed changes after it is planted in soil and watered. The sequence shows four stages: a dormant seed in the soil, then the seed with a small root (radicle)…
Answer this question and get it marked →Which row describes each part of the binominal system name for humans (Homo sapiens)? Homo sapiens --- --- --- A genus kingdom B genus species C species genus D species kingdom
Answer this question and get it marked →What are the characteristics of fish? maintain a constant body temperature eggs covered in jelly external ears present scales present --- --- --- --- --- A yes no yes no B yes yes…
Answer this question and get it marked →Which type of cell transports oxygen? A ciliated cell B neurone C palisade mesophyll cell D red blood cell
Answer this question and get it marked →The diagram shows a plant cell. The cell is rectangular with a thick outer boundary, a single small dark nucleus near one side, several small oval organelles around the cytoplasm,…
Answer this question and get it marked →Four students used a microscope to view some onion plant cells. Each student drew one of the cells. Each student calculated the actual length of the cell and the magnification of…
Answer this question and get it marked →The table shows the concentration of gases in a blood vessel and in an alveolus. Which row shows the conditions that cause a substance produced in respiration in humans to diffuse…
Answer this question and get it marked →The diagram shows four identical pieces of potato plant tissue in test-tubes. The pieces of potato were kept in the test-tubes for six hours. The test-tubes contain: A distilled…
Answer this question and get it marked →Which row correctly shows the elements and small molecules that are found in a large molecule? elements small molecules large molecule --- --- --- --- A carbon, hydrogen, oxygen,…
Answer this question and get it marked →Which substance is the DCPIP test used for? A fat B protein C starch D vitamin C
Answer this question and get it marked →The graph shows the activity of three digestive enzymes at differing pH values. Enzyme X has a peak of activity at a low pH (around pH 2-3) and is active roughly between pH 1 and…
Answer this question and get it marked →A student drew a diagram to show the substances used and produced in photosynthesis in a leaf. The diagram shows a leaf with the note '1 + 2 are used by the leaf' above it and '3…
Answer this question and get it marked →The diagram shows a cross-section of part of a leaf. The diagram shows the internal tissues of a leaf. Region 1 (bracketed on the left) is a rounded group of small cells; region 2…
Answer this question and get it marked →Why is iron an important component of the human diet? A Iron is needed to make haemoglobin. B Iron is needed to prevent rickets. C Iron is needed to prevent scurvy. D Iron is…
Answer this question and get it marked →The diagram shows the digestive system. Four parts are labelled with letters: A points to the region of the mouth/oesophagus at the top, B points to an organ in the upper abdomen…
Answer this question and get it marked →The diagram shows four different types of teeth in the upper and lower jaws in a human mouth. Labelled lines point to individual teeth: W points to a tooth at the front-centre of…
Answer this question and get it marked →Which row shows an enzyme with the correct site of production and products of digestion? enzyme site of production products of digestion --- --- --- --- A amylase salivary glands…
Answer this question and get it marked →The roots of a plant are cut off and the stem is placed in a beaker containing a liquid red stain. After a few hours, in which part of the plant stem will the red stain be…
Answer this question and get it marked →The diagram shows the blood vessels between the lungs, heart and kidneys in a human. The arrows indicate the direction of blood flow. Four vessels are labelled: A 'coronary…
Answer this question and get it marked →Which statements describe the difference between the composition of inspired air and expired air? 1 The percentage of carbon dioxide in inspired air is greater than in expired…
Answer this question and get it marked →The diagram shows apparatus that was used to investigate germination in seeds. A test-tube lies on its side; at the closed end are seeds, then a plug of wire mesh, then a chemical…
Answer this question and get it marked →What is a product of anaerobic respiration in yeast cells? A alcohol B lactic acid C oxygen D water
Answer this question and get it marked →Which organ excretes urea? A bladder B kidney C lung D stomach
Answer this question and get it marked →Which type of pathogen transmission is by direct contact? A contaminated air B contaminated blood C contaminated food D contaminated surfaces
Answer this question and get it marked →The diagram shows a reflex arc through the spinal cord. A sensory receptor in the skin connects via a neurone (labelled along the route) into the spinal cord; within the cord a…
Answer this question and get it marked →Which hormone is produced by the pancreas? A adrenaline B insulin C oestrogen D testosterone
Answer this question and get it marked →Which statements describe correct examples of tropic responses? 1 Gravitropism is the growth of plant roots away from gravity. 2 Gravitropism is the growth of plant roots towards…
Answer this question and get it marked →Which statement applies to antibiotics? A They kill bacteria. B They kill viruses. C They are produced by platelets. D They are produced by white blood cells.
Answer this question and get it marked →Four statements about different types of reproduction are listed. 1 Offspring are formed that are genetically different. 2 Offspring are formed that are genetically identical. 3…
Answer this question and get it marked →What happens to the uterus lining at the start of the menstrual cycle? A The uterus lining breaks down. B The uterus lining grows new blood vessels. C An embryo implants in the…
Answer this question and get it marked →What can reduce the transmission of HIV? A clean water supplies B hygienic food preparations C use of condoms D sewage treatment
Answer this question and get it marked →What are alternative forms of genes called? A alleles B chromosomes C genotypes D phenotypes
Answer this question and get it marked →Humans produce two types of ear wax, either wet or dry. Which row describes the variation in human ear wax? type of variation controlled by --- --- --- A continuous genes and…
Answer this question and get it marked →Giraffes are mammals that have long necks. This enables them to eat leaves from tall trees. One theory to explain how giraffes developed long necks is natural selection. Which…
Answer this question and get it marked →Alpine plants grow on mountains at high altitude. Alpine plants can only grow for a few months because they are covered in snow for most of the year. What are most likely to be…
Answer this question and get it marked →The diagram shows a food web in a freshwater habitat. Alga (a producer) is fed on by stonefly larva, blackfly larva and mayfly larva. These larvae are eaten by diving beetle,…
Answer this question and get it marked →The graphs show the number of herbivores in a habitat over a period of time. At time X, the carnivores are removed from the habitat. Graph A shows the number of herbivores staying…
Answer this question and get it marked →Some statements about food production are listed. 1 Agricultural machinery allows the efficient use of larger areas of land. 2 Herbicides increase the competition of crop plants…
Answer this question and get it marked →What is one way endangered species can be conserved? A growing monocultures B overharvesting C reducing biodiversity D using seed banks
Answer this question and get it marked →The table shows the features of four different types of bacteria. Which type of bacteria would be the most useful to use for biotechnology? reproduction rate / number of cell…
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