Cambridge IGCSE Sciences - Co-ordinated (Double) 0654 — 2008 Oct/Nov Paper 1 · Variant 1
0654/11/O/N/08 · 40 questions · 40 marks · ≈45 min
The question paper and its mark scheme, free to read here and free to download. This is Cambridge’s own paper, exactly as it was sat.
Question paper20 pages




















Mark scheme2 pages
Answers below. Sit the paper first if you are practising.


Questions as text
Q1 · The diagram shows four vertebrate animals
1 The diagram shows four vertebrate animals. P Q R S Which two animals belong to the same class? A P and Q B P and S C Q and R D Q and S
Mark scheme: D
Q2 · The diagram shows one kind of blood cell
2 The diagram shows one kind of blood cell. What describes a structural feature and a function of these cells? structural features function A have chloroplasts make glucose B have vacuoles carry oxygen C have no cell walls make glucose D have no nuclei carry oxygen
Mark scheme: D
Q3 · Which shows the sequence that occurs when a person touches a hot object?
3 Which shows the sequence that occurs when a person touches a hot object? A impulse → stimulus → receptor → spinal cord B receptor → stimulus → impulse → brain C stimulus → impulse → receptor → spinal cord D stimulus → receptor → impulse → brain
Mark scheme: D
Q4 · The diagram shows structures in the throat of a mammal
4 The diagram shows structures in the throat of a mammal. from the nose X from the mouth to the to the lungs stomach What is X? A epiglottis B larynx C oesophagus D trachea
Mark scheme: A
Q5 · In which direction does blood circulate in the body?
5 In which direction does blood circulate in the body? A from the left ventricle through the tricuspid valve B from the limbs to the right atrium C from the lungs along the pulmonary artery D from the right ventricle to the right atrium
Mark scheme: B
Q6 · The graph shows the rate of energy release during seed germination
6 The graph shows the rate of energy release during seed germination. rate of energy release germination begins time Which process uses this energy? A growth B photosynthesis C respiration D transpiration
Mark scheme: A
Q7 · Muscle wastage, lack of growth and the accumulation of fluid in tissues are conditions…
7 Muscle wastage, lack of growth and the accumulation of fluid in tissues are conditions which result from the lack of nutrient X in the diet. What is nutrient X? A calcium B carbohydrate C fat D protein
Mark scheme: D
Q8 · The diagram shows a synovial joint
8 The diagram shows a synovial joint. S P R Q Which two parts prevent friction between the bones? A P and Q B P and R C Q and R D Q and S
Mark scheme: A
Q9 · The graph shows body temperature before, during and after running a race on a hot day
9 The graph shows body temperature before, during and after running a race on a hot day. S 38 R body temperature / °C Q T P 37 race race starts ends time Which stage of the graph occurs as a result of homeostasis? A P to Q B Q to R C R to S D S to T
Mark scheme: D
Q10 · A student placed four sets of seeds in different conditions
10 A student placed four sets of seeds in different conditions. Which set of conditions must be kept constant to show the effect of temperature on germination? A temperature and water only B temperature only C temperature, water and oxygen D water and oxygen only
Mark scheme: D
Q11 · The diagram shows a fetus in a uterus
11 The diagram shows a fetus in a uterus. P Q R S Which parts enable pressure to be spread evenly around the fetus? A P and Q B P and S C Q and R D R and S
Mark scheme: B
Q12 · Cystic fibrosis is an inherited disease
12 Cystic fibrosis is an inherited disease. Only people who are homozygous recessive, ff, suffer from this disease. Which cross could not give rise to a child suffering from cystic fibrosis? A FF × ff B Ff × Ff C Ff × ff D ff × ff
Mark scheme: A
Q13 · Which process is responsible for the flow of energy along a food chain?
13 Which process is responsible for the flow of energy along a food chain? A feeding B pollination C respiration D seed dispersal
Mark scheme: A
Q14 · Element X has a proton number of 24 and a nucleon number of 52
14 Element X has a proton number of 24 and a nucleon number of 52. How many electrons and neutrons are there in an atom of X? electrons neutrons A 24 28 B 24 52 C 28 24 D 28 52
Mark scheme: A
Q15 · An element E is a metal
15 An element E is a metal. In which Group of the Periodic Table could E occur and which type of oxide does E form? Group type of oxide A I basic B III acidic C VI basic D VII acidic
Mark scheme: A
Q16 · Large hydrocarbons can be ..….1…..
16 Large hydrocarbons can be ..….1…... to make smaller, more useful molecules. Small hydrocarbon molecules can be …...2…... to make long molecules. Which words correctly complete gaps 1 and 2? 1 2 A cracked distilled B cracked polymerised C distilled polymerised D distilled cracked
Mark scheme: B
Q17 · A chemical from a plant is tested
17 A chemical from a plant is tested. damp litmus paper chemical from a plant and lime (CaO) heat An alkaline gas, ammonia (NH3), is produced. What is the chemical from the plant? A cellulose B a protein C starch D a sugar
Mark scheme: B
Q18 · Glass may be produced by two processes
18 Glass may be produced by two processes. sodium limestone sand carbonate broken waste glass heat heat new glass produced recycled glass made from from raw materials broken waste glass Which statements are arguments against the recycling of glass? 1 Raw materials for new glass manufacture are plentiful. 2 Waste glass causes litter and injuries, if the glass is broken. 3 Waste glass is not biodegradable. A 1 only B 1 and 3 only C 2 and 3 only D 1, 2 and 3
Mark scheme: B
Q19 · The table shows information about some minerals in rocks
19 The table shows information about some minerals in rocks. name chemical formula bauxite Al2O3 galena PbS hematite Fe2O3 rutile TiO2 From which two minerals can a transition element be extracted? A bauxite and galena B bauxite and hematite C galena and rutile D hematite and rutile
Mark scheme: D
Q20 · Which substances can be obtained from rocks?
20 Which substances can be obtained from rocks? A ethene and carbohydrates B ethene and metals C lime and carbohydrates D lime and metals
Mark scheme: D
Q21 · Electrolysis of sodium chloride is used to obtain chlorine
21 Electrolysis of sodium chloride is used to obtain chlorine. In what form is sodium chloride electrolysed and at which electrode is the chlorine obtained? form of electrode at which sodium chloride chlorine is obtained A in aqueous solution anode B in aqueous solution cathode C solid anode D solid cathode
Mark scheme: A
Q22 · Tap water often contains compounds dissolved from rocks
22 Tap water often contains compounds dissolved from rocks. The list shows four minerals present in rocks. 1 gypsum, CaSO4 2 magnesite, MgCO3 3 rock salt, NaCl 4 quartz, SiO2 Which of these minerals cause hardness in tap water? A 1 and 2 only B 1 and 3 only C 2 and 3 only D 2 and 4 only
Mark scheme: A
Q23 · A soil is treated with lime
23 A soil is treated with lime. As a result, a plant that was growing well becomes discoloured and dies. Which conditions suit the plant? likes calcium likes ions in soil alkaline soil A Jv v key B v x ¥ = correct Cc x v X = not correct D x x
Mark scheme: D
More questions on The characteristic properties of acids and bases
Q24 · Testing for which ion in solution involves reduction of the ion?
24 Testing for which ion in solution involves reduction of the ion? A ammonium B chloride C nitrate D sulphate
Mark scheme: C
Q25 · Which types of substance can be obtained from plant material?
25 Which types of substance can be obtained from plant material? alloys drugs dyes 0 OD > ~*~ & x K{ x \ \ x
Mark scheme: C
Q26 · The diagram shows waste organic material decaying
26 The diagram shows waste organic material decaying. tap gas decaying waste organic material What is formed when the gas is burned? A carbon dioxide and water B carbon dioxide only C carbon monoxide only D water only
Mark scheme: A
Q27 · The diagram shows part of the Periodic Table
27 The diagram shows part of the Periodic Table. Which element has the greatest number of outer electrons in its atoms? A B C D
Mark scheme: D
Q28 · A car travels at various speeds during a short journey
28 A car travels at various speeds during a short journey. The table shows the distances travelled and the time taken during each of four stages P, Q, R and S. stage P Q R S distance travelled / km 1.8 3.6 2.7 2.7 time taken / minutes 2 2 4 3 During which two stages is the car travelling at the same speed? A P and Q B P and S C Q and R D R and S
Mark scheme: B
Q29 · Two identical measuring cylinders containing different liquids are placed on a simple…
29 Two identical measuring cylinders containing different liquids are placed on a simple balance. They balance as shown. liquid X volume = 200 cm3 liquid Y volume = 100 cm3 How does the density of X compare with the density of Y? A density of X = 2 1 × density of Y B density of X = density of Y C density of X = 2 × density of Y D density of X = 4 × density of Y
Mark scheme: A
Q30 · A train is travelling along a horizontal track at constant speed
30 A train is travelling along a horizontal track at constant speed. Two of the forces acting on the train are shown in the diagram. forwards force from engine friction 60 000 N 20 000 N A force of air resistance is also acting on the train so that the forces balance. What is this air resistance force? A 40 000 N backwards B 80 000 N backwards C 40 000 N forwards D 80 000 N forwards
Mark scheme: A
Q31 · A rubber ball is dropped from a height of 2 metres onto a table
31 A rubber ball is dropped from a height of 2 metres onto a table. Whilst in contact with the table, some of its energy is converted into heat energy. What is the highest possible point the ball could reach after bouncing? 4 m A height B ball released from this height C 2 m D 0 table
Mark scheme: D
Q32 · A brick with rectangular sides rests on a table
32 A brick with rectangular sides rests on a table. brick table The brick is now turned so that it rests on the table on its smallest face. How has this change affected the force and the pressure exerted by the brick on the table? force pressure A unchanged unchanged B increased unchanged C unchanged increased D increased increased
Mark scheme: C
Q33 · The pressure of a fixed mass of gas in a cylinder is measured
33 The pressure of a fixed mass of gas in a cylinder is measured. The volume of the cylinder is then slowly decreased. Which graph could show the change of pressure of the gas during this process? A B pressure pressure 0 0 0 time 0 time C D pressure pressure 0 0 0 time 0 time
Mark scheme: C
Q34 · Equal masses of two different liquids are heated using the same heater
34 Equal masses of two different liquids are heated using the same heater. The graph shows how the temperature of each liquid changes with time. temperature liquid 1 liquid 2 0 0 time What does the graph tell us about the liquids? A Liquid 1 has a higher melting point than liquid 2. B Liquid 1 has a higher boiling point than liquid 2. C Liquid 1 starts to melt sooner than liquid 2. D Liquid 1 starts to boil sooner than liquid 2.
Mark scheme: B
Q35 · A white plastic lid is placed on a plastic cup used for a hot drink
35 A white plastic lid is placed on a plastic cup used for a hot drink. lid hot drink This would have no effect on the loss of heat by A conduction. B convection. C evaporation. D radiation.
Mark scheme: A
Q36 · In the diagram, the distance OP is the focal length of the lens
36 In the diagram, the distance OP is the focal length of the lens. Through which point will the ray shown pass, after refraction by the lens? lens A O P D B focal length focal length C
Mark scheme: A
Q37 · The table shows the voltage and current ratings for four electric heaters
37 The table shows the voltage and current ratings for four electric heaters. Which heater has the least resistance? voltage / V current / A A 110 5.0 B 110 10.0 C 230 5.0 D 230 10.0
Mark scheme: B
Q38 · In the circuit below, X and Y are identical 6 V lamps
38 In the circuit below, X and Y are identical 6 V lamps. 6 V switch X Y What happens when the switch is closed (the current is switched on)? A X lights more brightly than Y. B Y lights more brightly than X. C X and Y both light with full brightness. D X and Y both light with half brightness.
Mark scheme: C
Q39 · Two different systems are used to transmit equal amounts of electrical power from one…
39 Two different systems are used to transmit equal amounts of electrical power from one building to another. One system uses low voltage and the other uses high voltage. Which line in the table is correct about which system wastes least energy and why? least energy wasted why A high voltage system the current in the wires is bigger B high voltage system the current in the wires is smaller C low voltage system the current in the wires is bigger D low voltage system the current in the wires is smaller
Mark scheme: B
Q40 · The diagram shows an experiment to monitor the radiation from a radioactive gas
40 The diagram shows an experiment to monitor the radiation from a radioactive gas. The counter readings are corrected for background radiation. counter 000.0 radioactive gas The table shows how the counter reading varies with time. time / seconds 0 20 40 60 80 100 120 140 160 180 counter reading / 140 105 82 61 44 36 27 20 15 10 counts per minute What is the half-life of the gas? A between 20 and 40 seconds B between 40 and 60 seconds C between 60 and 140 seconds D between 140 and 180 seconds
Mark scheme: B
What was in this paper
The subtopics covered by these 40 questions, and how many questions each got. Open one in a new tab to see every Cambridge question on it.
2Electrical circuits2Identification of ions and gases2Alkenes1Arrangement of elements1Atomic structure and the Periodic Table1Blood1Carbon cycle1Characteristics of living organisms1Circulatory systems1Conservation1Density1Diet1Drugs1Electrical quantities1Electrolysis1Energy flow1Energy, work and power1Experimental design1Extraction of metals1Forces1Gas exchange in humans1Homeostasis1Kinetic particle model of matter1Light1Monohybrid inheritance1Motion1Oxides1Pressure1Radioactivity1Respiration1Sexual reproduction in humans1The characteristic properties of acids and bases1Thermal properties and temperature1Transfer of thermal energy1Transition elements1Water1What you needed in this session
Cambridge’s own grade thresholds for 2008 Oct/Nov, Paper 1 · Variant 1. A higher threshold means an easier paper — the bar moves with how the cohort did.