Cambridge IGCSE Sciences - Co-ordinated (Double) 0654 — 2024 Oct/Nov Paper 1 · Variant 3
0654/13/O/N/24 · 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 scheme3 pages
Answers below. Sit the paper first if you are practising.
Questions as text
Q1 · What are two of the characteristics of all living organisms?
1 What are two of the characteristics of all living organisms? A breathing and respiration B egestion and excretion C movement and sensitivity D nutrition and photosynthesis
Mark scheme: C
Q2 · Which statements about cell structure are correct?
2 Which statements about cell structure are correct? 1 Animal cells have cell membranes but no cell walls. 2 Animal cells have cell membranes and cell walls. 3 Plant cells have cell walls but no cell membranes. 4 Plant cells have cell membranes and cell walls. A 1 and 3 B 1 and 4 C 2 and 3 D 2 and 4
Mark scheme: B
Q3 · What is required to test for the presence of a reducing sugar?
3 What is required to test for the presence of a reducing sugar? “solution | solution | Reet A J x J B x J J c J x x D x J x
Mark scheme: A
Q4 · The graph shows the effect of increasing temperature on the rate of an enzyme-controlled…
4 The graph shows the effect of increasing temperature on the rate of an enzyme-controlled reaction. rate of an enzyme- controlled reaction 0 10 20 30 40 50 60 70 temperature / °C Which statement describes what is happening between 10 C and 30 C on the graph? A An increase in the rate of reaction increases the temperature of the reaction. B An increase in temperature has no effect on the rate of a reaction. C As the rate of reaction increases, the temperature has no effect. D As the temperature increases, the rate of reaction also increases.
Mark scheme: D
Q5 · What are the products of photosynthesis in a green plant?
5 What are the products of photosynthesis in a green plant? A carbon dioxide and water B glucose and carbon dioxide C oxygen and glucose D oxygen and water
Mark scheme: C
Q6 · The diagram shows human teeth in the lower jaw
6 The diagram shows human teeth in the lower jaw. X Which type of tooth is X? A canine B incisor C molar D premolar
Mark scheme: D
Q7 · The diagram shows an investigation into water transport in plants
7 The diagram shows an investigation into water transport in plants. flower with flower with white petals dyed petals water with water with coloured dye coloured dye start 8 hours later Which part of the stem transports the coloured dye from the test-tube to the petals of the flower? A mesophyll cells B phloem C root hair cells D xylem
Mark scheme: D
Q8 · Which row shows the changes that occur during exercise?
8 Which row shows the changes that occur during exercise? breathing rate depth of breathing A increases increases B increases stays the same C stays the same increases D stays the same stays the same
Mark scheme: A
Q9 · Which activities increase the secretion of adrenaline in the human body?
9 Which activities increase the secretion of adrenaline in the human body? running to relaxing in Wrightentag catch a bus the sun horror film A v x v B x v v Cc J x x D x v x
Mark scheme: A
Q10 · The roles of oxygen, water and light in seed germination are investigated
10 The roles of oxygen, water and light in seed germination are investigated. The results of the experiment are shown. alkaline pyrogallol, removes oxygen wet wet wet cotton cotton cotton wool wool wool no light no water no oxygen oxygen, water and light Which factors are shown to be needed for germination? A light and water only B light and oxygen only C oxygen and water only D oxygen, water and light
Mark scheme: C
Q11 · In a plant, the allele for red flowers is dominant to the allele for yellow flowers
11 In a plant, the allele for red flowers is dominant to the allele for yellow flowers. A heterozygous red-flowered plant is crossed with a homozygous yellow-flowered plant. Which statement about the offspring is correct? A 25% will have red flowers and 75% will have yellow flowers. B 50% will have red flowers and 50% will have yellow flowers. C 75% will have red flowers and 25% will have yellow flowers. D 100% will have red flowers and 0% will have yellow flowers.
Mark scheme: B
Q12 · Which definition is correctly matched to a type of organism?
12 Which definition is correctly matched to a type of organism? organism definition A producer an organism that gets its energy by feeding on other organisms B consumer an organism that gets its energy from dead or waste organic matter C decomposer an animal that gets its energy by eating other animals D herbivore an animal that gets its energy by eating plants
Mark scheme: D
Q13 · Which row about a process in the carbon cycle is correct?
13 Which row about a process in the carbon cycle is correct? effect on level process of atmospheric carbon dioxide A combustion decreases B decomposition increases C fossilisation increases D respiration decreases
Mark scheme: B
Q14 · Calcium carbonate reacts with dilute hydrochloric acid in a flask
14 Calcium carbonate reacts with dilute hydrochloric acid in a flask. The reaction releases carbon dioxide gas. The decrease in the mass of the flask and its contents is measured over time. Which pieces of apparatus must be used? 1 balance 2 pipette 3 thermometer 4 stop-clock A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Mark scheme: B
Q15 · Which process involves a chemical change?
15 Which process involves a chemical change? A burning a wooden splint B dissolving sodium chloride in water C evaporating water D distilling petroleum
Mark scheme: A
Q16 · Which formula contains the most elements?
16 Which formula contains the most elements? A NaOH B Rb2S C SiCl 4 D SnO2
Mark scheme: A
Q17 · What are the products of the electrolysis of dilute sulfuric acid using inert electrodes?
17 What are the products of the electrolysis of dilute sulfuric acid using inert electrodes? A hydrogen and sulfur dioxide B oxygen and hydrogen C oxygen and sulfur D oxygen and sulfur dioxide
Mark scheme: B
Q18 · Some observations about two reactions are shown
18 Some observations about two reactions are shown. In reaction 1, heat is taken in from the surroundings. In reaction 2, heat is released to the surroundings. Which row describes each reaction? reaction 1 reaction 2 A endothermic endothermic B endothermic exothermic C exothermic exothermic D exothermic endothermic
Mark scheme: B
Q19 · Four beakers each contain 50 cm3 dilute hydrochloric acid of equal concentration
19 Four beakers each contain 50 cm3 dilute hydrochloric acid of equal concentration. 50 cm3 of water is added to two of the beakers. 4.0 g magnesium carbonate is then added to each beaker. The particle sizes of the magnesium carbonate added to some of the beakers are different. Which experiment has the lowest rate of reaction? volume of dilute mass of size of pieces volume of hydrochloric water / cm3 magnesium of magnesium acid / cm3 carbonate / g carbonate A 50 50 4.0 small B 50 0 4.0 small C 50 50 4.0 large D 50 0 4.0 large
Mark scheme: C
Q20 · A piece of magnesium ribbon is placed in dilute hydrochloric acid
20 A piece of magnesium ribbon is placed in dilute hydrochloric acid. The magnesium reacts and bubbles of a colourless gas are formed. What is the word equation for this reaction? A magnesium + hydrochloric acid magnesium chloride + hydrogen B magnesium + hydrochloric acid magnesium chloride + carbon dioxide + water C magnesium + hydrochloric acid magnesium chloride + carbon dioxide D magnesium + hydrochloric acid magnesium chloride + hydrogen + water
Mark scheme: A
Q21 · Which chemical test does not produce a precipitate?
21 Which chemical test does not produce a precipitate? A carbon dioxide and limewater B carbonate ions and dilute hydrochloric acid C chloride ions and aqueous silver nitrate D copper(II) ions and aqueous sodium hydroxide
Mark scheme: B
Q22 · Which statement about the halogens is correct?
22 Which statement about the halogens is correct? A They become lighter in colour down the group. B They are all gases at room temperature. C They are members of the same period of the Periodic Table. D They exist as diatomic molecules.
Mark scheme: D
Q23 · How is iron oxide converted to iron?
23 How is iron oxide converted to iron? A oxidation using water B reaction with hydrochloric acid C reaction with sodium hydroxide D reduction using carbon
Mark scheme: D
Q24 · Which volume of clean air contains 10.5 cm3 of oxygen?
24 Which volume of clean air contains 10.5 cm3 of oxygen? A 21 cm3 B 42 cm3 C 50 cm3 D 100 cm3
Mark scheme: C
Q25 · What are two uses of limestone?
25 What are two uses of limestone? 1 as a fertiliser 2 to decrease the pH of soil 3 making lime 4 neutralising some industrial waste products A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Mark scheme: D
Q26 · Petroleum is separated into fractions by fractional distillation
26 Petroleum is separated into fractions by fractional distillation. Which row shows a use for the named fraction? fraction use A bitumen feedstock for making chemicals B diesel oil / gas oil road surfaces C naphtha fuel in car engines D refinery gas cooking and heating
Mark scheme: D
Q27 · Which statement about addition polymerisation is correct?
27 Which statement about addition polymerisation is correct? A Large monomer units join to form small polymer molecules. B Large polymer molecules join to form small monomer units. C Small monomer units join to form large polymer molecules. D Small polymer molecules join to form large monomer units.
Mark scheme: C
Q28 · An object has a weight of 2.0 N
28 An object has a weight of 2.0 N. The gravitational field strength g is 10 N / kg. What is the mass of the object? A 0.020 kg B 0.20 kg C 2.0 kg D 20 kg
Mark scheme: B
Q29 · The diagram shows four containers resting on a table
29 The diagram shows four containers resting on a table. The containers have equal masses and square bases of equal areas. The centre of mass of each container is labelled X. Which container is the most stable? A B C D X X X X table
Mark scheme: D
Q30 · A worker exerts a force on a box to move it across a horizontal surface
30 A worker exerts a force on a box to move it across a horizontal surface. Which of the two quantities in the table affect the amount of work done by the force? magnitude of distance moved the force by the box v v key J/ = affects the work done WA x x Jv X = does not affect the work done x x
Mark scheme: A
Q31 · What is the useful energy transfer in a wind turbine?
31 What is the useful energy transfer in a wind turbine? A electrical energy to thermal energy B gravitational potential energy to kinetic energy C kinetic energy to electrical energy D thermal energy to gravitational potential energy
Mark scheme: C
Q32 · What are the names for the changes of state between solids, liquids and gases?
32 What are the names for the changes of state between solids, liquids and gases? solid to liquid liquid to gas A melting condensation B melting evaporation C solidification condensation D solidification evaporation
Mark scheme: B
Q33 · The diagrams show part of a water-heating system which is working by convection
33 The diagrams show part of a water-heating system which is working by convection. Which diagram shows the flow of water in the system? A B hot hot water water tank tank boiler boiler heat heat C D hot hot water water tank tank boiler boiler heat heat
Mark scheme: A
Q34 · The diagram represents a wave
34 The diagram represents a wave. displacement 0 0 distance X Y How many wavelengths are there between X and Y? 2 1 A B 1 C 1 D 3 3 2
Mark scheme: C
Q35 · The diagram shows a battery connected to a 0.50 resistor and an ammeter
35 The diagram shows a battery connected to a 0.50 resistor and an ammeter. The reading on the ammeter is 0.20 A. 0.50 Ω A What is the potential difference (p.d.) across the resistor? A 0.10 V B 0.40 V C 0.70 V D 2.5 V
Mark scheme: A
Q36 · The diagram shows a circuit containing two resistors of resistance R and 2R and two…
36 The diagram shows a circuit containing two resistors of resistance R and 2R and two ammeters X and Y. X R A Y A 2R Which ammeter shows the larger reading and what is the combined resistance of the two resistors? ammeter with combined larger reading resistance A X less than R B X more than 2R C Y less than R D Y more than 2R
Mark scheme: C
Q37 · An electrician has a box of identical fuses that do not have their rating marked on them
37 An electrician has a box of identical fuses that do not have their rating marked on them. They decide to test one of the fuses to determine its rating by gradually increasing the current in the fuse until it blows. Which diagram shows a fuse connected in a suitable circuit? A B A A C D A A
Mark scheme: D
Q38 · The diagrams show patterns around a wire that is carrying a current in the direction shown
38 The diagrams show patterns around a wire that is carrying a current in the direction shown. Which diagram shows the pattern and the direction of the magnetic field caused by the current? A B current current C D current current
Mark scheme: D
Q39 · A nucleus has atomic number Z and mass number A
39 A nucleus has atomic number Z and mass number A. What is equal to the value of A – Z? A the number of electrons orbiting the nucleus B the number of neutrons in the nucleus C the number of nucleons in the nucleus D the number of protons in the nucleus
Mark scheme: B
Q40 · A radioactive isotope emits only alpha ()-particles
40 A radioactive isotope emits only alpha ()-particles. A sample of the isotope emits 2000 -particles per second. After 30 minutes, the sample emits 250 -particles per second. What is the half-life of the isotope? A 7.5 minutes B 10 minutes C 15 minutes D 30 minutes
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.
2Formulas2Air quality and climate1Biological molecules1Carbon cycle1Cell structure1Characteristics of living organisms1Coordination and response1Digestive system1Electrical circuits1Electrical quantities1Electrical safety1Electrolysis1Enzymes1Exothermic and endothermic reactions1Experimental design1Extraction of metals1Food chains and food webs1Forces1Fuels1Gas exchange in humans1General properties of waves1Group VII properties1Identification of ions and gases1Kinetic particle model of matter1Mass and weight1Monohybrid inheritance1Oxides1Photosynthesis1Physical and chemical changes1Polymers1Radioactivity1Rate of reaction1Sexual reproduction in plants1Simple phenomena of magnetism1The nucleus1Transfer of thermal energy1Transpiration1What you needed in this session
Cambridge’s own grade thresholds for 2024 Oct/Nov, Paper 1 · Variant 3. A higher threshold means an easier paper — the bar moves with how the cohort did.