Cambridge IGCSE Combined Science Past Paper PDF February/March 2024

Cambridge IGCSE™ COMBINED SCIENCE 0653/12 Paper 1 Multiple Choice (Core) February/March 2024...

Cambridge IGCSE™ COMBINED SCIENCE 0653/12 Paper 1 Multiple Choice (Core) February/March 2024 45 minutes You must answer on the multiple choice answer sheet. *6572668657* You will need: Multiple choice answer sheet Soft clean eraser Soft pencil (type B or HB is recommended) INSTRUCTIONS  There are forty questions on this paper. Answer all questions.  For each question there are four possible answers A, B, C and D. Choose the one you consider correct and record your choice in soft pencil on the multiple choice answer sheet.  Follow the instructions on the multiple choice answer sheet.  Write in soft pencil.  Write your name, centre number and candidate number on the multiple choice answer sheet in the spaces provided unless this has been done for you.  Do not use correction fluid.  Do not write on any bar codes.  You may use a calculator. INFORMATION  The total mark for this paper is 40.  Each correct answer will score one mark.  Any rough working should be done on this question paper.  The Periodic Table is printed in the question paper. This document has 16 pages. Any blank pages are indicated. IB24 03_0653_12/2RP © UCLES 2024 [Turn over  2 1 A car burns gasoline (petrol), providing energy to drive its wheels and releasing exhaust fumes. To which characteristics of living things are these processes similar? excretion sensitivity movement respiration A     B     C     D     2 The diagram shows a student’s attempt at drawing a plant cell. What else should the student have included in the drawing? A cell wall B cytoplasm C nucleus D vacuole 3 What are the smaller molecules that make up fats, protein and starch? fats protein starch A glucose glycogen fatty acids and glycerol B glucose amino acids glycogen C fatty acids and glycerol amino acids glucose D fatty acids and glycerol glycogen amino acids 4 Enzymes are............ that function as biological catalysts. Which word completes this sentence? A carbohydrates B fats C oils D proteins © UCLES 2024 0653/12/F/M/24  3 5 Which effects of magnesium deficiency on a plant are correct? amount of rate of growth chlorophyll A decreases decreases B decreases does not change C does not change decreases D does not change does not change 6 What should be added to the diet of a person who has too few red blood cells? A calcium B iron C fats D glucose 7 Some undigested food passes out of the digestive system as faeces. What is this process? A absorption B digestion C egestion D ingestion 8 Where does water enter a plant? A cuticle B root hair cells C stomata D phloem © UCLES 2024 0653/12/F/M/24 [Turn over  4 9 The diagram shows the human gas exchange system. X What is the part labelled X? A bronchiole B bronchus C larynx D trachea 10 Which changes occur in an athlete just before the start of a race? adrenaline glucose in pulse rate in the blood the blood A decreases decreases increases B decreases increases decreases C increases decreases decreases D increases increases increases 11 Which process occurs during sexual reproduction? A fusion of a female gamete and a male zygote B fusion of a female zygote and a male gamete C fusion of a female gamete and a male gamete D fusion of a female zygote and a male zygote © UCLES 2024 0653/12/F/M/24  5 12 Which food chain is correctly labelled? A B producer primary primary producer consumer consumer C D primary producer producer primary consumer consumer 13 Some processes in the carbon cycle are listed. 1 combustion 2 fossilisation 3 photosynthesis 4 respiration Which processes release carbon dioxide into the atmosphere? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4 14 Which statement about the particles in a gas is correct? A The particles are vibrating back and forward with regular motion. B At higher pressure, the particles move faster. C At higher pressure, the spaces between the particles decreases. D When the temperature is increased, the particles move closer together. 15 Which diagram represents a mixture of two elements? A B C D © UCLES 2024 0653/12/F/M/24 [Turn over  6 16 Which word describes molten lead bromide during its electrolysis? A anode B cathode C electrolyte D solution 17 Sodium chloride dissolves in water in an endothermic process. When calcium chloride dissolves in water, the temperature of the solution increases. Which statement is correct? A The process of dissolving calcium chloride is neither exothermic nor endothermic. B The temperature of the solution increases when sodium chloride dissolves. C The temperature of the solution remains constant when sodium chloride dissolves. D When calcium chloride dissolves in water, the process is exothermic. 18 Powdered calcium carbonate reacts with hydrochloric acid. Which change in the reaction conditions increases the rate of this reaction? A increasing the temperature of the acid B increasing the volume of the acid C decreasing the concentration of the acid D using lumps of calcium carbonate 19 The equation for the reaction of sodium with oxygen is shown. 4Na + O2 2Na2O Which process is involved in this reaction? A decomposition B oxidation C neutralisation D precipitation © UCLES 2024 0653/12/F/M/24  7 20 When solid Q is added to dilute hydrochloric acid, a gas is collected. This gas ‘pops’ when tested with a lighted splint. gas gas syringe Q dilute hydrochloric acid What is Q? A magnesium B magnesium carbonate C magnesium chloride D magnesium oxide 21 Which row about the elements in a period of the Periodic Table is correct? elements on the elements on the left-hand side of the period right-hand side of the period A tend to form ionic compounds tend to form covalent compounds B have low boiling points have high boiling points C are poor electrical conductors are good electrical conductors D form compounds by gaining electrons form compounds by losing electrons 22 What is a property of transition elements? A form only white compounds B high melting point C low density D poor conductor of heat © UCLES 2024 0653/12/F/M/24 [Turn over  8 23 Which substances conduct electricity when molten? 1 sodium chloride 2 naphtha 3 brass A 1, 2 and 3 B 1 and 2 only C 1 and 3 only D 2 and 3 only 24 Which process is used in the treatment of the water supply? A filtration B evaporation C crystallisation D chromatography 25 Which pollutant gases result in damage to buildings? A carbon dioxide and carbon monoxide B carbon dioxide and sulfur dioxide C carbon monoxide and nitrogen dioxide D oxides of nitrogen and sulfur dioxide 26 Petroleum is separated into fractions by fractional distillation. Which fraction has the highest boiling point? A B C hot petroleum D © UCLES 2024 0653/12/F/M/24  9 27 Which statement about hydrocarbons is correct? A Alkanes rapidly decolourise bromine water. B Alkanes are unsaturated hydrocarbons. C Alkenes have double covalent bonds. D Alkenes are the main constituent of natural gas. 28 A meteorite travels through space and becomes closer to the Earth. What happens to the mass and to the weight of the meteorite? mass of meteorite weight of meteorite A increases increases B increases stays the same C stays the same increases D stays the same stays the same 29 The diagram shows a sports competition between team X and team Y pulling a rope. The arrows show the directions of the forces exerted by the teams on the rope. team X team Y rope 325 N 400 N What is the size of the resultant force on the rope and in which direction does the resultant force act? size of direction of resultant force / N resultant force A 75 to the left B 75 to the right C 725 to the left D 725 to the right © UCLES 2024 0653/12/F/M/24 [Turn over  10 30 The diagram shows a heavy rectangular box resting on a table. One side of the box is labelled Z. side Z box table What happens when the box rests with side Z on the table? A The force exerted on the table decreases. B The force exerted on the table increases. C The pressure exerted on the table decreases. D The pressure exerted on the table increases. 31 Work W is done when an object O is lifted vertically upwards. Which change results in the same quantity of W ? A lifting a heavier object through a greater distance in the same time B lifting a lighter object through the same distance in a smaller time C lifting the same object through a greater distance in the same time D lifting the same object through the same distance in a greater time 32 A solid is at a constant temperature. How can the volume of the solid and the motion of its molecules be described? motion of volume of solid molecules in solid A fixed free movement B fixed vibration only C variable free movement D variable vibration only © UCLES 2024 0653/12/F/M/24  11 33 Thermal energy passes through a vacuum. Which process is involved? A conduction B convection C evaporation D radiation 34 A water wave travels across the surface of the water in a tank. The graph shows how the height of the water varies with time at one point in the tank. height of water 0 time / s 0 0.1 0.2 0.3 0.4 0.5 0.6 How many wavelengths pass the point in 1.0 s? A 0.2 B 0.6 C 3 D 5 35 The diagram represents a wave that travels from P to Q. distance P Q The diagram shows that one property of the wave decreases as it travels. Which property decreases? A amplitude B frequency C speed D wavelength © UCLES 2024 0653/12/F/M/24 [Turn over  12 36 A negatively charged sphere is suspended from an insulating thread. A plastic rod is moved slowly towards the sphere. thread sphere – plastic rod The sphere moves away from the rod. Which statement about the rod is correct? A It is not charged. B It is charged but it is not possible to know if it is positive or negative. C It is negatively charged. D It is positively charged. 37 The diagram shows a cell connected to two resistors. W X R Z Y A voltmeter that measures the potential difference (p.d.) across resistor R is connected into the circuit. Between which two labelled points is the voltmeter connected? A W and X B W and Y C X and Y D Y and Z © UCLES 2024 0653/12/F/M/24  13 38 The diagram shows a circuit that includes a variable resistor, a voltmeter and an ammeter. V A The resistance of the variable resistor is increased. What happens to the readings on the two meters? ammeter reading voltmeter reading A decreases increases B decreases stays the same C increases increases D increases stays the same 39 Four identical lamps are connected in two different circuits. Two of the lamps are connected in series to a suitable power supply so that they receive their correct working voltage. The other two lamps are connected in parallel to a different power supply so that they also receive their correct working voltage. What is an advantage of connecting the lamps in parallel rather than in series? A A smaller length of wire is required. B The lamps produce more light. C The lamps use less energy. D When one lamp fails, the other lamp stays on. 40 A fuse is rated at 10 A. What does this indicate? A The current in the fuse should always be equal to 10 A. B The current in the fuse should always be more than 10 A. C The current in the fuse should always be less than 10 A. D The fuse supplies a current of 10 A. © UCLES 2024 0653/12/F/M/24  14 BLANK PAGE © UCLES 2024 0653/12/F/M/24  15 BLANK PAGE Permission to reproduce items where third-party owned material protected by copyright is included has been sought and cleared where possible. Every reasonable effort has been made by the publisher (UCLES) to trace copyright holders, but if any items requiring clearance have unwittingly been included, the publisher will be pleased to make amends at the earliest possible opportunity. To avoid the issue of disclosure of answer-related information to candidates, all copyright acknowledgements are reproduced online in the Cambridge Assessment International Education Copyright Acknowledgements Booklet. This is produced for each series of examinations and is freely available to download at www.cambridgeinternational.org after the live examination series. Cambridge Assessment International Education is part of Cambridge Assessment. Cambridge Assessment is the brand name of the University of Cambridge Local Examinations Syndicate (UCLES), which is a department of the University of Cambridge. © UCLES 2024 0653/12/F/M/24  The Periodic Table of Elements Group © UCLES 2024 I II III IV V VI VII VIII 1 2 H He hydrogen helium Key 1 4 3 4 atomic number 5 6 7 8 9 10 Li Be atomic symbol B C N O F Ne lithium beryllium name boron carbon nitrogen oxygen fluorine neon 7 9 relative atomic mass 11 12 14 16 19 20 11 12 13 14 15 16 17 18 Na Mg Al Si P S Cl Ar sodium magnesium aluminium silicon phosphorus sulfur chlorine argon 23 24 27 28 31 32 35.5 40 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr potassium calcium scandium titanium vanadium chromium manganese iron cobalt nickel copper zinc gallium germanium arsenic selenium bromine krypton 39 40 45 48 51 52 55 56 59 59 64 65 70 73 75 79 80 84 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe rubidium strontium yttrium zirconium niobium molybdenum technetium ruthenium rhodium palladium silver cadmium indium tin antimony tellurium iodine xenon 16 85 88 89 91 93 96 – 101 103 106 108 112 115 119 122 128 127 131 55 56 57–71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 0653/12/F/M/24 lanthanoids Cs Ba Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn caesium barium hafnium tantalum tungsten rhenium osmium iridium platinum gold mercury thallium lead bismuth polonium astatine radon 133 137 178 181 184 186 190 192 195 197 201 204 207 209 – – – 87 88 89–103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 actinoids Fr Ra Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og francium radium rutherfordium dubnium seaborgium bohrium hassium meitnerium darmstadtium roentgenium copernicium nihonium flerovium moscovium livermorium tennessine oganesson – – – – – – – – – – – – – – – – – 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 lanthanoids La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu lanthanum cerium praseodymium neodymium promethium samarium europium gadolinium terbium dysprosium holmium erbium thulium ytterbium lutetium 139 140 141 144 – 150 152 157 159 163 165 167 169 173 175 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 actinoids Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr actinium thorium protactinium uranium neptunium plutonium americium curium berkelium californium einsteinium fermium mendelevium nobelium lawrencium – 232 231 238 – – – – – – – – – – – The volume of one mole of any gas is 24 dm3 at room temperature and pressure (r.t.p.).