IGCSE Biology (0970) — May–June 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 →What are characteristics of all organisms? A egestion and excretion B egestion and nutrition C excretion and nutrition D excretion and photosynthesis
Answer this question and get it marked →The scientific name for the golden eagle is Aquila chrysaetos. What is the genus of the golden eagle? A Aquila B chrysaetos C eagle D golden
Answer this question and get it marked →The diagram shows four arthropods (Pediculus ×20, Anopheles ×10, Dermacentor ×7, Carcinus ×0.5). How many of these arthropods are insects? A 1 B 2 C 3 D 4
Answer this question and get it marked →Which row shows structures that are present in both root hair cells and palisade mesophyll cells? The table considers cell wall, chloroplasts, cytoplasm and vacuole, with rows A–D…
Answer this question and get it marked →The diagram shows a cell at ×1500 magnification, measured against a scale where the cell spans about 5 cm on the diagram. What is the actual size of the cell? A 0.003 mm B 0.03 mm…
Answer this question and get it marked →The diagram shows a test-tube containing clear jelly. A drop of blue ink is injected into the middle of the jelly. The blue colour of the ink spreads throughout the jelly. By…
Answer this question and get it marked →The diagram shows apparatus used in an osmosis investigation: a dialysis tubing bag containing sucrose solution immersed in distilled water. The bag was filled with sucrose…
Answer this question and get it marked →Which row describes active transport of ions? Rows combine direction of movement of ions and whether it requires energy from respiration. A from high concentration to low…
Answer this question and get it marked →The diagram shows part of a protein molecule with one repeating unit labelled X. What does X represent? A amino acid B fatty acid C glycerol D sugar
Answer this question and get it marked →What is true of all enzymes? The table considers two statements: they are sugars; they are most effective at pH 7 (key: shaded = yes, blank = no). A B C D
Answer this question and get it marked →The diagram shows enzyme X with a labelled active site and four molecules A, B, C and D of differing shapes. What is the substrate for enzyme X? A B C D
Answer this question and get it marked →An experiment is set up to investigate gas exchange in aquatic plants. An aquatic plant is placed in hydrogencarbonate indicator solution in the light. The indicator solution is…
Answer this question and get it marked →How are most leaves adapted for photosynthesis? A They have a large surface area and are thick. B They have a large surface area and are thin. C They have a small surface area and…
Answer this question and get it marked →The haemoglobin concentration in the blood of a person is 80 g / dm3. The accepted normal concentration is 120 g / dm3 or above. Which substance may be lacking in their diet? A…
Answer this question and get it marked →Which statement about physical digestion is correct? A It increases the surface area of food. B It involves enzymes. C It takes place in the mouth only. D It produces smaller…
Answer this question and get it marked →Solid food enters the mouth at P and enters the oesophagus at Q. How does the food at Q differ from the food at P? A It contains less fibre. B It contains less water. C It…
Answer this question and get it marked →Which row shows the functions of xylem and phloem? Columns: transports amino acids; transports mineral ions; transports sucrose. A phloem; xylem; phloem B xylem; xylem; phloem C…
Answer this question and get it marked →What is the effect on a plant of not having any root hairs? A The plant absorbs less water from the soil. B The plant absorbs more water from the soil. C The plant loses water to…
Answer this question and get it marked →Which statements describe how the structures in the circulatory system function? 1 a muscular pump to push blood into vessels 2 valves to ensure one-way blood flow 3 veins to take…
Answer this question and get it marked →The diagram shows a section through the heart with four labelled regions A, B, C and D. Which part is the septum? A B C D
Answer this question and get it marked →What is an example of good personal hygiene in the kitchen? A cooking food at a high temperature B disposing of waste food in sealed containers C storing uncooked meat in a fridge…
Answer this question and get it marked →What is the pathway of expired air as it travels out of the body? A alveoli → trachea → bronchiole → bronchi B alveoli → bronchiole → bronchi → trachea C trachea → alveoli →…
Answer this question and get it marked →The diagram shows yeast cells in a sugar solution producing gas bubbles that pass into limewater. Which statement explains what happens to the limewater? A The limewater changes…
Answer this question and get it marked →What is the word equation for aerobic respiration? A carbon dioxide + water → glucose + oxygen B glucose + oxygen → carbon dioxide + water C glycogen + oxygen → carbon dioxide +…
Answer this question and get it marked →Which part of the body excretes urea, excess water and excess ions? A gall bladder B heart C kidney D lungs
Answer this question and get it marked →The diagram shows the kidneys and associated organs with labels A, B, C and D. Which label is the ureter? A B C D
Answer this question and get it marked →What is the name of the junction between two neurones? A effector B receptor C gland D synapse
Answer this question and get it marked →Which statement about adrenaline is correct? A It decreases the heart rate. B It decreases the diameter of the pupil. C It increases the breathing rate. D It is made in the…
Answer this question and get it marked →Which words complete the statements? Plant growth towards light is called ...1... . When a plant shoot grows towards a light source, it is showing a ...2... to light. Light acts…
Answer this question and get it marked →Which statements about antibiotics are correct? 1 Antibiotics can be used to treat bacterial infections. 2 Antibiotics can be used to treat viral infections. 3 Antibiotics are not…
Answer this question and get it marked →Which statement about sexual reproduction is correct? A Fertilisation is involved. B Zygotes fuse. C Offspring are always genetically identical. D One female gamete fuses with…
Answer this question and get it marked →Which row about asexual reproduction is correct? Columns: number of parents; offspring identical to parents; offspring identical to each other. A one; no; yes B one; yes; yes C…
Answer this question and get it marked →What is defined as a length of DNA that codes for a protein? A amino acid B antibody C chromosome D gene
Answer this question and get it marked →A man has three sons. What is the chance of his next child being a daughter? A 0% B 25% C 50% D 100%
Answer this question and get it marked →Which term is a genetic change? A allele B genotype C mutation D phenotype
Answer this question and get it marked →The diagram shows energy flow from the Sun, through a food chain (plant → animal → animal) and into the environment, with numbered arrows 1 (Sun to plant) and 2 (plant to animal).…
Answer this question and get it marked →In a pyramid of numbers, what does the top of the pyramid represent? A carnivores B decomposers C herbivores D Sun
Answer this question and get it marked →A few yeast cells were placed in a container of nutrient solution. The graph shows how their population size changed over time with four numbered phases. Which row shows when the…
Answer this question and get it marked →The bloodworm is an organism found in heavily polluted water. The diagram shows where raw sewage flows into a river with positions A, B, C and D along the direction of flow. Where…
Answer this question and get it marked →Which statement about genetic modification is correct? A It involves choosing which individual organisms are used for breeding. B It is always done using genes from the same…
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