IGCSE Science - Combined (0653) — May–June 2024, Paper 12
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →What are the characteristics of living organisms? excretion growth movement nutrition reproduction respiration sensitivity A B C D …
Answer this question and get it marked →Which row is correct for osmosis? requires a partially involves the permeable membrane movement of water A no no B no yes C yes no D yes yes
Answer this question and get it marked →Which name is given to proteins that function as biological catalysts? A enzymes B hormones C solvents D vitamins
Answer this question and get it marked →Which substance found in plant cells is needed for photosynthesis? A chlorophyll B glucose C haemoglobin D starch
Answer this question and get it marked →Which nutrient is needed for each function in the human body? to make red for strong for growth blood cells bones A calcium iron protein B calcium protein iron C iron calcium…
Answer this question and get it marked →Which region of the alimentary canal carries out ingestion? A D B C
Answer this question and get it marked →The diagram shows what happens to proteins in the alimentary canal. protein small molecules X is the type of digestion involved. Y is a property of the small molecules produced. Z…
Answer this question and get it marked →Which environmental conditions result in the highest rate of transpiration from a plant? humidity temperature A high high B low high C high low D low low
Answer this question and get it marked →A student competes in a running race at school. What is the effect on the student’s rate and depth of breathing during the race? rate of breathing depth of breathing A decreases…
Answer this question and get it marked →A cat suddenly jumps in front of a person walking down a street. The person is shocked. Which row shows the changes that occur? adrenaline level pulse rate A unchanged decreases B…
Answer this question and get it marked →Which statement about offspring produced by asexual reproduction is correct? A The offspring are genetically different from one another. B The offspring are genetically identical…
Answer this question and get it marked →The diagram represents several food chains in a food web. kestrel cat wolf small bird rat sheep ant grasshopper grass How many different food chains are there in the food web…
Answer this question and get it marked →What is an undesirable effect of deforestation? A less carbon dioxide in the atmosphere B less extinction C less flooding D loss of soil
Answer this question and get it marked →The diagram shows representations of some substances. N N H O H O C O O O H O H Which row identifies the total number of atoms and the total number of molecules in this diagram?…
Answer this question and get it marked →Which diagram represents a mixture of elements? A B C D key = atom of element X = atom of element Y
Answer this question and get it marked →Sodium chloride is an ionic compound made by reacting sodium with chlorine. Which statement about the formation of sodium chloride is correct? A Sodium atoms and chlorine atoms…
Answer this question and get it marked →What is the formula of nitric acid? A HCl B HNO3 C NaOH D NH3
Answer this question and get it marked →Which row identifies the electrode products in the electrolysis of the named electrolyte? electrolyte product at anode product at cathode A concentrated aqueous sodium chloride…
Answer this question and get it marked →Which row describes an exothermic reaction? temperature of the direction of reaction mixture energy transfer A decreases from the surroundings B decreases to the surroundings C…
Answer this question and get it marked →The graph shows the volume of hydrogen gas produced when dilute hydrochloric acid reacts with zinc. At which point is the rate of reaction greatest? D C B volume A time
Answer this question and get it marked →What is a reduction process? A the combustion of a fuel B the thermal decomposition of calcium carbonate C the extraction of copper from copper oxide D the reaction between an…
Answer this question and get it marked →Compound X reacts with dilute nitric acid to give a colourless gas which turns limewater milky. An aqueous solution of X reacts with aqueous sodium hydroxide to form a light blue…
Answer this question and get it marked →Part of the Periodic Table is shown. 1 2 3 4 5 6 Which numbers represent a metal and a non-metal in the same period? A 1 and 2 B 2 and 3 C 4 and 6 D 5 and 6
Answer this question and get it marked →Which row describes elements in Group I and Group VII of the Periodic Table? Group I elements Group VII elements A are solid at room temperature are solid, liquid or gas at room…
Answer this question and get it marked →Which statement describes an alloy? A It is a compound containing a metal and a non-metal. B It is a compound containing two metals. C It is a mixture of a metal with other…
Answer this question and get it marked →Which statements about water are correct? 1 In a water molecule, the oxygen atom has eight electrons in its outer shell. 2 Water changes the colour of cobalt(II) chloride to blue.…
Answer this question and get it marked →Butane is a hydrocarbon. What are the products of the complete combustion of butane? A carbon and hydrogen B carbon dioxide and hydrogen C carbon dioxide and water D carbon…
Answer this question and get it marked →A student determines the volume of a laboratory notebook. Which measuring instruments are used? A a clock and a measuring cylinder B a measuring cylinder and a ruler C a measuring…
Answer this question and get it marked →A student wants to find the period of a pendulum. He determines the time taken for the pendulum to make one complete oscillation. He repeats the measurement several times. His…
Answer this question and get it marked →Graph 1 is a distance–time graph. Graph 2 is a speed–time graph. distance speed 0 0 0 time 0 time graph 1 graph 2 Which graphs represent the motion of a car that is moving at…
Answer this question and get it marked →A cart is pulled along a horizontal road by a horse. The horse does work on the cart. The work done depends on the force exerted on the cart and on one other quantity. What is the…
Answer this question and get it marked →As an electric car starts moving, the car motor transfers energy to the wheels. Which process is involved in this transfer of energy? A work done by heating in the motor B work…
Answer this question and get it marked →Which energy resource is non-renewable? A geothermal B hydroelectric C nuclear D wind
Answer this question and get it marked →Some of the liquid in a beaker starts to evaporate. What happens to the temperature of the liquid remaining and why does the temperature change? A The temperature decreases…
Answer this question and get it marked →A glass bottle is half full of water. The glass bottle has a metal cap that fits tightly over the top of the bottle and is difficult to unscrew. After the glass bottle and the…
Answer this question and get it marked →Energy is transferred from the Sun through the vacuum of space to all the planets in the Solar System. How is the energy transferred? A by conduction, convection and radiation B…
Answer this question and get it marked →Which diagram shows how a converging lens forms a real image of object O at the point labelled I? A B O I O I C D O I O I
Answer this question and get it marked →Which row gives the unit for potential difference (p.d.) and the unit for electromotive force (e.m.f.)? p.d. e.m.f. A J N B J V C V N D V V
Answer this question and get it marked →Two heaters are connected in parallel to a socket that is protected by a fuse. The current in each heater is 9.0 A. What is a suitable rating for the fuse? A 3A B 5A C 9A D 20 A
Answer this question and get it marked →Two lamps can be connected to a power supply either in series or in parallel. Which statement is correct? A In a series circuit, the current from the power supply is greater than…
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