Cambridge IGCSE Science - Combined 0653 — 2004 May/June Paper 1 · Variant 1

UNIVERSITY OF CAMBRIDGE INTERNATIONAL EXAMINATIONS International General Certificate of Secondary Education COMBINED SCIENCE 0653/01 Paper 1 Multiple Choice May/June 2004 45 minutes Additional Materials: Multiple Choice Answer Sheet Soft clean eraser Soft pencil (type B or HB is recommended) READ THESE INSTRUCTIONS FIRST Write in soft pencil. Do not use staples, paper clips, highlighters, glue or correction fluid. Write your name, Centre number and candidate number on the answer sheet in the spaces provided unless this has been done for you. 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 separate answer sheet. Read the instructions on the answer sheet very carefully. Each correct answer will score one mark. A mark will not be deducted for a wrong answer. Any rough working should be done in this booklet. A copy of the Periodic Table is printed on page 20. This document consists of 19 printed pages and 1 blank page. IB04 06_0653_01/4RP  UCLES 2004 [Turn over www.XtremePapers.com

2 © UCLES 2004 0653/01/M/J/04 1 Two characteristics of all living organisms are A breathing and reproduction. B photosynthesis and excretion. C reproduction and respiration. D respiration and photosynthesis. 2 Which structure provides the best surface for diffusion? A alveolus B heart wall C trachea D vagina 3 The graph shows how temperature affects the rate at which an enzyme works. 0 0 5 10 15 20 25 30 35 40 45 temperature/ oC rate of enzyme activity 50 55 60 65 What does the graph show about this enzyme? A The enzyme is denatured by temperatures above 65 oC. B The enzyme is denatured by temperatures below 8 oC. C The enzyme works fastest at 48 oC. D The rate of enzyme activity doubles when the temperature is raised from 10 oC to 20 oC.

3 © UCLES 2004 0653/01/M/J/04 [Turn over 4 The arrows on the diagram show the path taken by a substance through a plant. Which substance follows this path? A carbon dioxide B glucose C oxygen D water 5 Which symptoms occur when there is a deficiency of vitamin C or of iron in the diet? symptoms vitamin C deficiency iron deficiency A anaemia (lack of haemoglobin) bleeding gums B bleeding gums anaemia (lack of haemoglobin) C poor teeth weak bones D weak bones poor teeth 6 What enters a green leaf through its stomata for use during photosynthesis? A carbon dioxide only B carbon dioxide and oxygen C carbon dioxide and water D water only

4 © UCLES 2004 0653/01/M/J/04 7 The diagram shows the internal structure of a tooth. Most of this tooth consists of A cement. B dentine. C enamel. D pulp. 8 Four tubes are set up as shown in the diagram. In which tube does the water animal survive the longest? A B C D black plastic to exclude light water water animal water light water plant water animal light light

5 © UCLES 2004 0653/01/M/J/04 [Turn over 9 The diagram shows a vertical section through the heart. 1 2 3 4 Which blood vessels contain oxygenated blood? A 1 and 2 B 2 and 3 C 2 and 4 D 3 and 4 10 What describes the oxygen and carbon dioxide levels in blood as it passes through the lungs? oxygen level carbon dioxide level A decreased decreased B decreased increased C increased decreased D increased increased

6 © UCLES 2004 0653/01/M/J/04 11 A person does not eat for several hours but then has a meal rich in carbohydrate. Which graph shows how the person’s blood sugar level changes after the meal? blood sugar level 1 2 time/h meal A blood sugar level 1 2 time/h meal B blood sugar level 1 2 time/h meal C blood sugar level 1 2 time/h meal D 12 The diagram shows a flower just before fertilisation. 1 (pollengrain) 3 (ovule) 2 (pollentube) Where are the male and female gametes? male gamete female gamete A 1 2 B 1 3 C 2 3 D 3 2

7 © UCLES 2004 0653/01/M/J/04 [Turn over 13 What describes the placenta of a pregnant woman? A the cord connecting the baby to the mother, through which blood is circulated B the protective fluid-filled sac surrounding the embryo C the region of the female oviduct into which the egg is passed when it leaves the ovary D the structure where materials are exchanged between the mother’s and the baby’s tissues 14 What is the electronic structure of the atom Li 7 3 ? e e e A e e e B e e e e e e e e e C e e e e e e D e e key electron nucleus 15 Which displayed formula correctly represents a molecule of carbon dioxide? A O – C – O B O = C = O C C – O – O D C = O = O 16 Four different mixtures of gases are made. Which diagram represents a mixture containing only elements and no compounds? A B C D key different types of atom

8 © UCLES 2004 0653/01/M/J/04 17 The diagram shows an outline of the Periodic Table. Which two elements have similar chemical properties? W Y Z V X A V and W B V and X C W and Y D Y and Z 18 What is the reason for the lack of reactivity of the noble gases? A They have a complete outer shell of electrons. B They have an even number of electrons. C They have an even number of shells of electrons. D They have two electrons in the first shell. 19 Which two elements react explosively with dilute acids? A Ca and Mg B Ca and K C K and Mg D K and Na

9 © UCLES 2004 0653/01/M/J/04 [Turn over 20 The diagram shows uses of alloys. alloys electric plug duralumin aircraft body ? brass Which picture could be used to complete the diagram? argon light bulb A silicon computer chips B steel cutlery C zinc galvanised bucket D 562-04G 21 In which tube does the iron nail go rusty in the shortest time? A B C D boiled tap water tap water oxygen gas nitrogen gas

10 © UCLES 2004 0653/01/M/J/04 22 The contents of the labelled beakers shown are mixed. dilute HNO3 MgCO3 Which salt is formed? A magnesium nitrate B magnesium sulphate C manganese nitrate D manganese sulphate 23 The table shows the results of tests on solution X. test result blue litmus paper turns red aqueous silver nitrate white precipitate What could solution X contain? A HCl B HNO3 C NaCl D NaOH 24 Which diagram shows that an electrolyte is present? A B solid solid C D solution solution key battery electrical contacts unlit lamp lit lamp

11 © UCLES 2004 0653/01/M/J/04 [Turn over 25 The solid line on the graph shows the volume of gas given off when calcium carbonate reacts with dilute hydrochloric acid. 30 20 10 0 0 1 2 3 time/minutes vol/cm3 4 5 6 Which change to the conditions gives the results shown by the dotted line? A decrease the temperature of the acid B decrease the size of the calcium carbonate pieces C increase the concentration of the acid D increase the mass of the calcium carbonate pieces 26 Which structure shows a polymer? C C H H H H B C H H H A H C C H O O H H C H H H C C H C C D H H H H H H H n

12 © UCLES 2004 0653/01/M/J/04 27 The diagram shows part of the fire triangle. ? oxygen heat What completes the fire triangle? A carbon dioxide B flame C fuel D water 28 The diagram shows a measuring cylinder. 10 20 30 40 50 60 70 80 90 100 Which unit would be most suitable for its scale? A mm2 B mm3 C cm2 D cm3

13 © UCLES 2004 0653/01/M/J/04 [Turn over 29 The diagram shows the speed-time graph for an object moving at constant speed. 2 0 0 3 4 time/s speed m/s 1 1 2 What is the distance travelled by the object in the first 3s? A 1.5m B 2.0m C 3.0m D 6.0m 30 Which statement about the mass of a falling object is correct? A It decreases as the object falls. B It is equal to the weight of the object. C It is measured in newtons. D It stays the same as the object falls. 31 Which of the following is a unit of density? A cm3 /g B g/cm2 C g/cm3 D kg/m2

14 © UCLES 2004 0653/01/M/J/04 32 An experiment is set up to find out which metal is the best conductor of heat. Balls are stuck with wax to rods made from different metals, as shown in diagram X. The rods are heated at one end. Some of the balls fall off, leaving some as shown in diagram Y. Which labelled metal is the best conductor of heat? before heating after heating h e a t h e a t diagram X diagram Y A B C D 33 Thermometer X is held above an ice cube and thermometer Y is held the same distance below the ice cube. After several minutes, the reading on one thermometer changes. The ice cube does not melt. ice cube thermometer X thermometer Y Which thermometer reading changes and why? thermometer reason A X cool air rises from the ice cube B X warm air rises from the ice cube C Y cool air falls from the ice cube D Y warm air falls from the ice cube

15 © UCLES 2004 0653/01/M/J/04 [Turn over 34 Three rays of light fall on a converging lens as shown. lens Which diagram shows the path of the rays after passing through the lens? A B C D

16 © UCLES 2004 0653/01/M/J/04 35 The diagram shows a ray of light entering a block of glass. 1 2 3 4 normal air glass ray of light Which numbered angles are the angles of incidence and of refraction? angle of incidence angle of refraction A 1 3 B 1 4 C 2 3 D 2 4 36 Which circuit shows how a voltmeter is connected to measure the potential difference across the cell? A B C D V V V V

17 © UCLES 2004 0653/01/M/J/04 [Turn over 37 An electrical component is to be placed in the circuit at Z, to allow the brightness of the lamp to be varied from bright to dim. Z What should be connected at Z? A B C D V 38 The circuit shown contains four lamps and three switches. lamp 1 lamp 2 lamp 3 lamp 4 switch 1 switch 3 switch 2 Which switches must be closed to light only lamps 1 and 3? A switch 1 only B switch 1 and switch 2 only C switch 1 and switch 3 only D switch 2 and switch 3 only

18 © UCLES 2004 0653/01/M/J/04 39 The diagram shows a torch containing two 2 V cells, a switch and a lamp. plastic case brass connecting strip switch lamp What is the circuit diagram for the torch? C B A D 40 Which line correctly describes α-particles? electric charge penetrates 1cm of aluminium? A negative yes B negative no C positive yes D positive no

19 Copyright Acknowledgements: Every reasonable effort has been made to trace all copyright holders. The publishers would be pleased to hear from anyone whose rights we have unwittingly infringed. 0653/01/M/J/04 BLANK PAGE

20 University of Cambridge International Examinations is part of the University of Cambridge Local Examinations Syndicate (UCLES), which is itself a department of the University of Cambridge. 0653/01/M/J/04 Group 140 Ce Cerium 58 141 Pr Praseodymium 59 144 Nd Neodymium 60 Pm Promethium 61 150 Sm Samarium 62 152 Eu Europium 63 157 Gd Gadolinium 64 159 Tb Terbium 65 162 Dy Dysprosium 66 165 Ho Holmium 67 167 Er Erbium 68 169 Tm Thulium 69 173 Yb Ytterbium 70 175 Lu Lutetium 71 232 Th Thorium 90 Pa Protactinium 91 238 U Uranium 92 Np Neptunium 93 Pu Plutonium 94 Am Americium 95 Cm Curium 96 Bk Berkelium 97 Cf Californium 98 Es Einsteinium 99 Fm Fermium 100 Md Mendelevium 101 No Nobelium 102 Lr Lawrencium 103 1 H Hydrogen 1 7 Li Lithium 3 23 Na Sodium 11 24 Mg Magnesium 12 40 Ca Calcium 20 45 Sc Scandium 21 48 Ti Titanium 22 51 V Vanadium 23 52 Cr Chromium 24 55 Mn Manganese 25 56 Fe Iron 26 59 Co Cobalt 27 59 Ni Nickel 28 64 Cu Copper 29 65 Zn Zinc 30 70 Ga Gallium 31 27 Al Aluminium 13 11 B Boron 5 12 C Carbon 6 14 N Nitrogen 7 16 O Oxygen 8 19 F Fluorine 9 28 Si Silicon 14 31 P Phosphorus 15 32 S Sulphur 16 35.5 Cl Chlorine 17 40 Ar Argon 18 20 Ne Neon 10 4 He Helium 2 73 Ge Germanium 32 75 As Arsenic 33 79 Se Selenium 34 80 Br Bromine 35 84 Kr Krypton 36 39 K Potassium 19 88 Sr Strontium 38 89 Y Yttrium 39 91 Zr Zirconium 40 93 Nb Niobium 41 96 Mo Molybdenum 42 Tc Technetium 43 101 Ru Ruthenium 44 103 Rh Rhodium 45 106 Pd Palladium 46 108 Ag Silver 47 112 Cd Cadmium 48 115 In Indium 49 119 Sn Tin 50 122 Sb Antimony 51 128 Te Tellurium 52 127 I Iodine 53 131 Xe Xenon 54 137 Ba Barium 56 139 La Lanthanum 57 * 178 Hf Hafnium 72 181 Ta Tantalum 73 184 W Tungsten 74 186 Re Rhenium 75 190 Os Osmium 76 192 Ir Iridium 77 195 Pt Platinum 78 197 Au Gold 79 201 Hg Mercury 80 204 Tl Thallium 81 207 Pb Lead 82 209 Bi Bismuth 83 Po Polonium 84 At Astatine 85 Rn Radon 86 Fr Francium 87 227 Ac Actinium 89 9 Be Beryllium 4 I II III IV V VI VII 0 85 Rb Rubidium 37 133 Cs Caesium 55 226 Ra Radium 88 The volume of one mole of any gas is 24 dm3 at room temperature and pressure (r.t.p.). a X b a = relative atomic mass X = atomic symbol b = proton (atomic) number Key *58-71 Lanthanoid series 90-103 Actinoid series DATA SHEET The Periodic Table of the Elements