IGCSE Science - Combined (0653) — May–June 2024, Paper 13
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A plant bends towards the light. Which characteristics of living organisms does this show? A movement and nutrition B movement and respiration C movement and sensitivity D…
Answer this question and get it marked →The diagram shows a plant cell as seen under a light microscope. Which labelled structure is a chloroplast? A D B C
Answer this question and get it marked →What are features of diffusion? net movement of requires a particles from a higher partially permeable to a lower concentration membrane A key B = yes C = no D
Answer this question and get it marked →A student tests a biological molecule using biuret solution. The solution turns purple. Which elements make up the biological molecule? A carbon, hydrogen, oxygen and nitrogen B…
Answer this question and get it marked →What is the word equation for photosynthesis? A carbon dioxide + oxygen glucose + water B carbon dioxide + water glucose + oxygen C glucose + oxygen carbon dioxide + water D…
Answer this question and get it marked →Which statement about a balanced diet in humans is correct? A It does not contain fibre. B It has a variety of food types to provide all the necessary nutrients. C It includes…
Answer this question and get it marked →Which row shows the type of digestion and describes the change needed to allow the absorption of food molecules into the blood? type of digestion change A chemical large molecules…
Answer this question and get it marked →The diagram shows a section through a leaf. Which arrow represents the evaporation of water during transpiration? A B C D
Answer this question and get it marked →The table shows differences in composition between some of the gases in inspired and expired air. Which row shows the correct composition for these gases? inspired air expired air…
Answer this question and get it marked →Which row is correct for the hormone adrenaline? effect on effect on the blood glucose pulse rate concentration A lowered decreased B lowered increased C raised decreased D raised…
Answer this question and get it marked →A plant is grown without light. Which tropic responses are shown by the roots and shoots of the plant? root response shoot response A gravitropism gravitropism B gravitropism…
Answer this question and get it marked →What describes the transfer of pollen grains from the anther to the stigma? A asexual reproduction B fertilisation C germination D pollination
Answer this question and get it marked →The diagram represents four organisms in a food chain. T U V W Which organisms are consumers? A T, U and V B T, U and W C T, V and W D U, V and W
Answer this question and get it marked →The diagram represents a mixture of carbon dioxide, CO2, and carbon monoxide, CO. Which statement is correct? A The mixture contains 4 elements. B The mixture contains 4…
Answer this question and get it marked →Which method is used to separate an insoluble salt from a mixture of the salt and water? A crystallisation B distillation C filtration D fractional distillation
Answer this question and get it marked →Which row about elements and compounds is correct? elements compounds A are metals only contain ionic or covalent bonds B are non-metals only contain covalent bonds only C are…
Answer this question and get it marked →Which dot-and-cross diagram represents the outer shell electrons in a water molecule? A B C D O O O O H H H H H H H H
Answer this question and get it marked →Urea, (NH2)2CO, is used as a fertiliser. How many atoms or molecules are represented by the formula for urea? A atoms: nitrogen, 1; hydrogen, 2; carbon, 2; oxygen, 2 B atoms:…
Answer this question and get it marked →The apparatus used in an electrolysis experiment is shown. – + Q R S Which row identifies Q, R and S? Q R S A cathode anode electrolyte B cathode anode electrode C anode cathode…
Answer this question and get it marked →Magnesium reacts with dilute hydrochloric acid forming hydrogen gas. Which measurements are needed to determine the rate of the reaction? 1 the temperature of the acid 2 the…
Answer this question and get it marked →When iron rusts, iron(III) oxide is formed. What is the meaning of (III) in iron(III) oxide? A It is the number of iron ions in the formula for iron(III) oxide. B It is the ratio…
Answer this question and get it marked →A student mixes a dilute acid with separate samples from the four bottles shown. HNO3 NaOH H2SO4 KOH Which samples react with the dilute acid? HNO3 NaOH H2SO4 KOH A key B…
Answer this question and get it marked →Which row identifies the correct test and test result for the named gases? chlorine ammonia oxygen A turns damp turns damp ‘pops’ with litmus paper blue litmus paper red a lighted…
Answer this question and get it marked →Which statement about transition elements is correct? A Their compounds are generally colourless. B Their compounds often act as catalysts. C They are metals with low densities. D…
Answer this question and get it marked →Which statement about the noble gases is correct? A They form diatomic molecules. B They all have the same number of electron shells. C They are reactive so they are stored under…
Answer this question and get it marked →Information about metals P, Q and R is shown. When P is added to cold water, a violent reaction occurs producing lilac flames. Q does not react with dilute hydrochloric acid. R…
Answer this question and get it marked →Which statements about alkanes are correct? 1 They are generally unreactive. 2 They are unsaturated because they contain only single covalent bonds. 3 They contain carbon,…
Answer this question and get it marked →A student measures the length of five different pencils. The longest pencil has length 16.0 cm and the shortest pencil has length 8.0 cm. The lengths of the other pencils are 12.5…
Answer this question and get it marked →The diagrams show two distance–time graphs and two speed–time graphs. Which graph represents the motion of an object that is moving with constant speed? A B distance distance 0 0…
Answer this question and get it marked →P and Q are objects that are travelling in a straight line. The diagram shows the only forces acting on P and Q. 2N 2N 2N P Q Which row describes the motion of P and the motion of…
Answer this question and get it marked →A box is lifted at a constant speed. Which quantities affect the amount of work done in lifting the box? time taken to height lifted lift the box A key B = affects work…
Answer this question and get it marked →A car is driven to the top of a hill. Which single change would decrease the power needed by the car? A increasing the height of the hill B increasing the mass of the car C…
Answer this question and get it marked →Which method of generating electricity uses a non-renewable energy resource? A nuclear power station B solar panel C hydroelectric power station D wind turbine
Answer this question and get it marked →A solid is heated. Which two properties of the solid both change? A density and volume B density and weight C mass and volume D mass and weight
Answer this question and get it marked →Which statement explains why ice cubes floating at the top of warm water cause all of the water to cool? A Convection causes cold water at the top to sink. B Convection causes the…
Answer this question and get it marked →An object is placed in front of a vertical plane mirror. The object is then moved further away from the mirror. What happens to the image? A It becomes larger and moves further…
Answer this question and get it marked →Light in air hits the surface of a transparent glass block at an angle of incidence of 45. In which direction does the light then travel? A along the surface of the glass B in…
Answer this question and get it marked →Which quantity is measured in volts? A energy B potential difference (p.d.) C power D resistance
Answer this question and get it marked →The current in a resistor and the potential difference (p.d.) across it are recorded. Which expression is used to calculate the resistance of the resistor? current A p.d. B…
Answer this question and get it marked →A heater carries a current of 8.0 A when it is in normal use. What is the rating of a suitable fuse to protect the heater circuit? A 1A B 5A C 7A D 13 A
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