IGCSE Science - Combined (0653) — May–June 2023, Paper 13
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →What is a characteristic of all living things? A egestion B ingestion C nutrition D photosynthesis
Answer this question and get it marked →Which structure is found only in plant cells? A cell membrane B cytoplasm C large vacuole D nucleus
Answer this question and get it marked →A student tests a liquid with Benedict’s solution and iodine solution. The results are shown. test result Benedict’s solution orange-red colour iodine solution orange-brown colour…
Answer this question and get it marked →During photosynthesis, plants use energy from which source? A air B soil C water D Sun
Answer this question and get it marked →Which row matches the part of the alimentary canal to its function? part of the function of part alimentary canal A anus absorption B oesophagus digestion C mouth ingestion D…
Answer this question and get it marked →Which row shows the effects of increasing humidity and temperature on the rate of transpiration of a plant? increasing increasing humidity temperature A decreases increases B…
Answer this question and get it marked →From which chamber does the blood leave the heart to travel to the organs of the body? D A B C
Answer this question and get it marked →A student carries out vigorous exercise for 10 minutes. Which statements are correct for what happens during the exercise? 1 The pulse rate increases. 2 The depth of breathing…
Answer this question and get it marked →Which situation is most likely to cause a sudden rise in the release of adrenaline into the blood? A beginning gentle exercise B being startled or alarmed C digestion of food…
Answer this question and get it marked →Which definition of asexual reproduction is correct? A production of genetically different offspring from one parent B production of genetically different offspring from two…
Answer this question and get it marked →Which environmental conditions are normally necessary for seed germination? suitable light oxygen water temperature A no yes no yes B no yes yes yes C yes no yes no D yes yes yes…
Answer this question and get it marked →Which name is given to the ball of cells that can implant into the wall of the uterus? A embryo B gamete C ovum D zygote
Answer this question and get it marked →The diagram shows part of the carbon cycle. carbon dioxide in the air 1 3 animals plants Which labels represent respiration? A 1 and 2 B 1 and 4 C 2 and 3 D 3 and 4
Answer this question and get it marked →The diagrams show four different mixtures of gases. Each diagram (A, B, C, D) shows several molecules drawn as joined circles, where each circle represents an atom and different…
Answer this question and get it marked →The nucleon number of an atom of chlorine is 35. Which statement about this atom is correct? A It contains the same number of neutrons as electrons. B It contains the same number…
Answer this question and get it marked →Which dot-and-cross diagram represents lithium fluoride, LiF? A B + – Li F Li F C D + – Li F Li F
Answer this question and get it marked →The molecular structures of four compounds are shown. P Q H O H H H H O H H C C C C O H H C C O C C H H H H H H H R S H H H H H O H H H C C C C O H H C C C C H H O H H H H H H…
Answer this question and get it marked →X is an ionic compound. In which experiment does the lamp not light up? A B lamp lamp molten X solid X C D lamp lamp X dissolved in X dissolved dilute sulfuric acid in water
Answer this question and get it marked →Powdered zinc reacts with a blue solution of copper(II) sulfate. Which observation shows that the reaction is exothermic? A A red-brown solid forms. B Some grey solid remains…
Answer this question and get it marked →Zinc reacts with dilute sulfuric acid to form zinc sulfate and hydrogen. Which apparatus is suitable for investigating the rate of this reaction? A B C D
Answer this question and get it marked →The word equation for the reaction between hydrogen and copper oxide is shown. hydrogen + copper oxide → copper + water Which substance, shown in the word equation, is reduced in…
Answer this question and get it marked →Which two substances both react with dilute sulfuric acid to make the salt magnesium sulfate? A magnesium carbonate and magnesium chloride B magnesium chloride and magnesium…
Answer this question and get it marked →The results of two tests on a white solid are shown. test result 1 add aqueous sodium hydroxide white precipitate formed 2 add dilute hydrochloric acid colourless gas formed What…
Answer this question and get it marked →Two non-metallic elements, X and Y, are in the same group of the Periodic Table. X is higher in the group than Y. Which row shows the group number that includes elements X and Y…
Answer this question and get it marked →Copper oxide is heated with carbon as shown. copper oxide and carbon crucible tripod Bunsen burner Which statement about this experiment is correct? A A pink-brown solid is…
Answer this question and get it marked →Which statement about a pollutant in the air is correct? A Carbon dioxide is produced by the incomplete combustion of fossil fuels. B Carbon monoxide causes acid rain. C Oxides of…
Answer this question and get it marked →Which statement about propane is correct? A It is the main constituent of natural gas. B It is a very reactive substance. C It is a saturated hydrocarbon. D It reacts rapidly with…
Answer this question and get it marked →Which piece of apparatus is used when determining the volume of a small irregularly shaped stone? A a balance B a clock C a measuring cylinder D a ruler
Answer this question and get it marked →Which statement about mass and weight is correct? A Mass and weight are different types of force. B The mass of an object depends on the strength of the gravitational field in…
Answer this question and get it marked →Two forces act on an object as shown. object 16 N 2N What is the resultant force on the object? A 14 N to the left B 14 N to the right C 18 N to the left D 18 N to the right
Answer this question and get it marked →A motor is used to lift a certain number of bricks through a certain height in a certain time. Which action requires the motor to use a greater power? A lifting an equal number of…
Answer this question and get it marked →The generator in a power station is rotated by a turbine. Steam from boiling water rotates the turbine. Which energy source is used to produce electricity in this way? A…
Answer this question and get it marked →Which statement describes the molecules in a gas? A They are close together and move about quickly. B They are close together and move about slowly. C They are far apart and move…
Answer this question and get it marked →A strip of brass and a strip of steel are glued together to make a single strip. The diagrams show the strip at room temperature and at a high temperature. brass brass steel steel…
Answer this question and get it marked →A source of light is placed in front of a plane mirror. Which labelled point shows the position of the image of the source? A B C D source of light
Answer this question and get it marked →X-rays and radio waves are electromagnetic waves. Which statement is correct? A X-rays have greater frequencies than radio waves and travel at the same speed in a vacuum. B X-rays…
Answer this question and get it marked →An uncharged object becomes positively charged by friction. What happens during this process? A Electrons are added to the object. B Electrons are removed from the object. C…
Answer this question and get it marked →A variable power supply is connected to a resistor and there is a current in the resistor. variable power supply current The potential difference (p.d.) across the resistor is…
Answer this question and get it marked →The diagram shows a power supply connected to a 4.0 Ω resistor, a 6.0 Ω resistor and a 2.0 Ω resistor. + – 4.0 : 6.0 : 2.0 : Which statement about current is correct? A The…
Answer this question and get it marked →An electric heater has a label stating this information: 240 V, 2400 W, 10 A. What is written on a fuse with a rating that is appropriate for use with this heater? A 5A B 13 A C…
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