Cambridge IGCSE Sciences - Co-ordinated (Double) 0654 — 2022 May/June Paper 1 · Variant 3
0654/13/M/J/22 · 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 paper16 pages
Mark scheme3 pages
Answers below. Sit the paper first if you are practising.
Questions as text
Q1 · Which statement about the characteristics of living organisms is correct?
1 Which statement about the characteristics of living organisms is correct? A Excretion is the chemical reactions in cells that release energy. B Nutrition is the taking in of materials for energy, growth and development. C Respiration is the process that makes more of the same kind. D Sensitivity is the removal of toxic materials and excess substances.
Mark scheme: B
Q2 · Which statement about cells is correct?
2 Which statement about cells is correct? A Cell membranes are found only in animal cells. B Cell membranes are found only in plant cells. C Cell walls are found only in animal cells. D Cell walls are found only in plant cells.
Mark scheme: D
Q3 · Which reagent is used to test for the presence of protein in a food sample?
3 Which reagent is used to test for the presence of protein in a food sample? A Benedict’s solution B biuret C ethanol D iodine
Mark scheme: B
Q4 · Catalase is an enzyme that breaks down hydrogen peroxide to form a foam of water and…
4 Catalase is an enzyme that breaks down hydrogen peroxide to form a foam of water and oxygen. The maximum height of the foam produced at different temperatures in a given length of time is measured. The rate of the reaction is proportional to the height of foam. The table shows the results. temperature / C height of foam / mm 10 1.2 20 3.1 30 4.2 40 5.4 50 3.6 60 0.0 Which conclusion can be drawn from these results? A Increasing the temperature decreases the rate of the reaction up to 50 C. B Increasing the temperature decreases the rate of the reaction up to 60 C. C Increasing the temperature increases the rate of the reaction up to 40 C. D Increasing the temperature increases the rate of the reaction up to 50 C.
Mark scheme: C
Q5 · The diagram shows an investigation into factors affecting photosynthesis
5 The diagram shows an investigation into factors affecting photosynthesis. aluminium green green white green foil leaf leaf leaf leaf sodium hydroxide to remove carbon dioxide The tubes are left for 24 hours after which the leaves are tested with iodine solution. How many of these leaves turn blue-black when tested with iodine solution? A 1 B 2 C 3 D 4
Mark scheme: A
Q6 · The diagram shows part of the digestive system
6 The diagram shows part of the digestive system. P Q R S Which labelled parts produce digestive enzymes, absorb water and store bile? produce digestive absorb water store bile enzymes A P Q R B Q R P C R S P D S P R
Mark scheme: C
Q7 · Which changes increase the rate of transpiration?
7 Which changes increase the rate of transpiration? 1 increasing temperature 2 increasing humidity 3 decreasing temperature 4 decreasing humidity A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Mark scheme: B
Q8 · When a person exercises for 10 minutes, what is the effect on the depth and rate of their…
8 When a person exercises for 10 minutes, what is the effect on the depth and rate of their breathing? depth of breathing rate of breathing A decreases decreases B decreases increases C increases decreases D increases increases
Mark scheme: D
Q9 · What is a hormone?
9 What is a hormone? A a chemical substance, produced by a gland, which alters the activity of target organs B a protein that acts as a biological catalyst C a thread-like structure of DNA, carrying genetic information in the form of genes D an electrical signal that travels along a nerve cell to an effector
Mark scheme: A
Q10 · Which statement about asexual reproduction is correct?
10 Which statement about asexual reproduction is correct? A It involves the fusion of gametes from one parent. B It involves the fusion of gametes from two parents. C It produces offspring which are genetically different. D It produces offspring which are genetically identical.
Mark scheme: D
Q11 · Selection in chickens has produced individuals that lay more eggs per week
11 Selection in chickens has produced individuals that lay more eggs per week. What is required for this to occur? reproduction selection A asexual human B asexual natural C sexual human D sexual natural
Mark scheme: C
Q12 · The diagram shows a food chain
12 The diagram shows a food chain. dandelion plant slug blackbird fox Which organisms are consumers? A dandelion plant only B fox only C blackbird and slug only D slug, blackbird and fox
Mark scheme: D
Q13 · The diagram shows part of the carbon cycle
13 The diagram shows part of the carbon cycle. Which arrow represents plant respiration? carbon compounds A in the air B carbon compounds carbon compounds in plants C in rocks, sea and soil D carbon compounds in animals
Mark scheme: B
Q14 · Which piece of apparatus is used to measure the change in the volume of a liquid most…
14 Which piece of apparatus is used to measure the change in the volume of a liquid most accurately? A B C D
Mark scheme: C
Q15 · Some physical and chemical changes are listed
15 Some physical and chemical changes are listed. 1 burning methane 2 dissolving sugar in water 3 evaporating ethanol 4 rusting iron Which changes are chemical changes? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Mark scheme: B
Q16 · Which equation is balanced?
16 Which equation is balanced? A 2H2 + O2 2H2O2 B MgO + 2H2SO4 MgSO4 + 2H2O C Na + H2O NaOH + H2 D Na2CO3 + 2HCl 2NaCl + H2O + CO2
Mark scheme: D
Q17 · The diagram shows the electrolysis of dilute sulfuric acid using inert electrodes
17 The diagram shows the electrolysis of dilute sulfuric acid using inert electrodes. + – dilute sulfuric acid Which row shows the products formed at each electrode and describes the bonding in sulfuric acid? type of anode cathode bonding A oxygen hydrogen ionic B oxygen hydrogen covalent C hydrogen oxygen ionic D hydrogen oxygen covalent
Mark scheme: A
Q18 · Which word describes reactions that give out heat energy?
18 Which word describes reactions that give out heat energy? A endothermic B exothermic C oxidation D reduction
Mark scheme: B
Q19 · When solid pieces of calcium carbonate are added to dilute hydrochloric acid in a flask…
19 When solid pieces of calcium carbonate are added to dilute hydrochloric acid in a flask, carbon dioxide gas is given off. The mass of the flask and its contents are measured over time. cotton wool flask calcium carbonate balance 124.25 g Two different experiments are carried out. In both experiments the acid is in excess. The results of these two experiments are shown. mass of flask and contents experiment 2 experiment 1 time Which statement explains the different shapes of the curves? A Experiment 2 uses a catalyst. B Experiment 2 uses acid at a higher temperature. C Experiment 2 uses acid that is more dilute. D Experiment 2 uses powdered calcium carbonate.
Mark scheme: C
Q20 · When aqueous potassium hydroxide is warmed with ammonium chloride, a gas is given off
20 When aqueous potassium hydroxide is warmed with ammonium chloride, a gas is given off. Which test result identifies the gas? A It bleaches pH paper. B It turns anhydrous cobalt(II) chloride blue. C It turns universal indicator red. D It turns red litmus blue.
Mark scheme: D
Q21 · A gas is used in welding metals together at high temperatures
21 A gas is used in welding metals together at high temperatures. The gas is used to provide an inert atmosphere. What is the gas? A argon B carbon dioxide C fluorine D oxygen
Mark scheme: A
Q22 · Which row does not link a general physical property to the type of element?
22 Which row does not link a general physical property to the type of element? type of element general physical property A metal malleable B metal thermal conductor C non-metal electrical conductor D non-metal low melting point
Mark scheme: C
Q23 · Which row describes a transition element?
23 Which row describes a transition element? melting electrical point / C conductor A 115 no B 181 yes C 1538 yes D 4726 no
Mark scheme: C
Q24 · The diagram shows a metal being extracted from its powdered ore using carbon
24 The diagram shows a metal being extracted from its powdered ore using carbon. a mixture of carbon and powdered ore What happens to the ore in this reaction? A It burns. B It decomposes. C It is oxidised. D It is reduced.
Mark scheme: D
Q25 · Which colour change is observed when water is tested using copper(II) sulfate?
25 Which colour change is observed when water is tested using copper(II) sulfate? A blue pink B blue white C white blue D white pink
Mark scheme: C
Q26 · Why do farmers add limestone to soil?
26 Why do farmers add limestone to soil? A It acts as a fertiliser. B It adds nitrogen to the soil. C It decreases the pH of the soil. D It increases the pH of the soil.
Mark scheme: D
More questions on The characteristic properties of acids and bases
Q27 · What are the products of the complete combustion of ethanol?
27 What are the products of the complete combustion of ethanol? A carbon dioxide and hydrogen B carbon dioxide and water C carbon monoxide and hydrogen D carbon monoxide and water
Mark scheme: B
Q28 · What does the area under a speed–time graph represent?
28 What does the area under a speed–time graph represent? A acceleration B average speed C distance travelled D total time taken
Mark scheme: C
Q29 · The diagrams show the two forces acting on four objects P, Q, R and S
29 The diagrams show the two forces acting on four objects P, Q, R and S. P Q 4 N 12 N 12 N 4 N R S 2 N 8 N 10 N 2 N Which two objects experience equal resultant forces acting in the same direction? A P and Q B P and R C Q and R D Q and S
Mark scheme: D
Q30 · A student lifts a box vertically from the floor and places it on a table
30 A student lifts a box vertically from the floor and places it on a table. Which two quantities must be known in order to calculate the work done on the box by the student? A the force used to lift the box and the height of the table B the force used to lift the box and the time taken to lift the box C the volume of the box and the height of the table D the volume of the box and the time taken to lift the box
Mark scheme: A
Q31 · Which energy resource does not use a turbine and generator to produce electricity?
31 Which energy resource does not use a turbine and generator to produce electricity? A geothermal B nuclear fission C solar cells D wind
Mark scheme: C
Q32 · What are used as the fixed points on the Celsius scale of temperature?
32 What are used as the fixed points on the Celsius scale of temperature? lower fixed point upper fixed point A melting point of salt solution boiling point of pure ethanol B melting point of salt solution boiling point of pure water C melting point of pure ice boiling point of pure ethanol D melting point of pure ice boiling point of pure water
Mark scheme: D
Q33 · What happens to the temperature of a substance as it is melting and as it is boiling?
33 What happens to the temperature of a substance as it is melting and as it is boiling? melting boiling A decreases increases B decreases no change C increases increases D no change no change
Mark scheme: D
Q34 · A thin, converging lens produces an inverted, enlarged image of an object
34 A thin, converging lens produces an inverted, enlarged image of an object. The image is formed on a screen. F is a principal focus of the lens. Which labelled point is a possible position for the object? lens A B C D F
Mark scheme: B
Q35 · Which statement about the electromagnetic spectrum is correct?
35 Which statement about the electromagnetic spectrum is correct? A Gamma-radiation has a lower frequency than visible light. B Infrared radiation has a higher frequency than radio waves. C Microwaves have a smaller wavelength than ultraviolet radiation. D X-rays have a larger wavelength than visible light.
Mark scheme: B
Q36 · A student rubs a balloon against her hair
36 A student rubs a balloon against her hair. Electrons are transferred from the hair onto the balloon, and the hair and the balloon both become charged. The hair is now attracted to the balloon. Which row shows the charges on the hair and on the balloon after rubbing? charge on hair charge on balloon A negative negative B negative positive C positive negative D positive positive
Mark scheme: C
Q37 · A student connects a circuit to determine the resistance of a resistor
37 A student connects a circuit to determine the resistance of a resistor. Which circuit enables the current in the resistor and the potential difference (p.d.) across it to be measured? A B A V A V C D V A V A
Mark scheme: A
Q38 · Which row shows how lamps are connected in a lighting circuit in a house and gives an…
38 Which row shows how lamps are connected in a lighting circuit in a house and gives an advantage of connecting them in this way? how lamps are advantage of connecting connected them in this way A in parallel they can be switched separately B in parallel they share the voltage C in series they can be switched separately D in series they share the voltage
Mark scheme: A
Q39 · The diagram shows a circuit containing an electric heater, a motor and a fuse
39 The diagram shows a circuit containing an electric heater, a motor and a fuse. The current in the heater is 6.0 A and the current in the motor is 2.0 A. heater M motor What is an appropriate rating for the fuse? A 2 A B 4 A C 6 A D 10 A
Mark scheme: D
Q40 · An atom of beryllium is represented by Be
40 An atom of beryllium is represented by Be. 9 4 How many neutrons are in the nucleus of this type of beryllium atom? A 4 B 5 C 9 D 13
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.
2Energy, work and power2Identification of ions and gases2Alcohols1Asexual reproduction1Biological molecules1Carbon cycle1Cell structure1Characteristics of living organisms1Digestive system1Electrical safety1Electrolysis1Electromagnetic spectrum1Enzymes1Exothermic and endothermic reactions1Experimental design1Extraction of metals1Food chains and food webs1Forces1Formulas1Gas exchange in humans1Hormones1Kinetic particle model of matter1Light1Motion1Noble gases1Photosynthesis1Physical and chemical changes1Properties of metals1Rate of reaction1Selection1Simple phenomena of magnetism1The characteristic properties of acids and bases1The nucleus1Thermal properties and temperature1Transition elements1Transpiration1What you needed in this session
Cambridge’s own grade thresholds for 2022 May/June, Paper 1 · Variant 3. A higher threshold means an easier paper — the bar moves with how the cohort did.