IGCSE Sciences - Co-Ordinated (0654) — May–June 2023, Paper 12
40 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →1 Which is not a characteristic of all living organisms? A excretion B growth C photosynthesis D sensitivity
Answer this question and get it marked →2 Which statement about the structures found in animal and plant cells is correct? A Both have cell walls. B Only plant cells have a cell membrane. C Both have cytoplasm. D Only…
Answer this question and get it marked →3 Which row shows the elements and the small molecules that are used to make the larger molecules? small larger elements molecule molecule A carbon, hydrogen and oxygen glucose…
Answer this question and get it marked →4 Which type of molecules speed up chemical digestion? A carbohydrates B enzymes C hormones D fatty acids 3
Answer this question and get it marked →5 The diagram shows a leaf, still attached to a plant, with both green and white areas that have been partly covered with black paper. The leaf is left in bright light for six…
Answer this question and get it marked →6 Which nutrient is needed to make strong bones and teeth? A calcium B fat C starch D fibre 4
Answer this question and get it marked →7 The diagram shows a shoot at the start of an experiment investigating transpiration. The mass of the shoot, measuring cylinder, water and oil is measured. oil 85.84 g The…
Answer this question and get it marked →8 During cold weather, warm blooded animals, such as mammals and birds, require more food. Which statement explains the reason for this? energy required to rate of maintain…
Answer this question and get it marked →9 A person leaves an air conditioned building. The temperature of the air conditioned building is 16 C. The outside temperature is 39 C. Which statement describes one response…
Answer this question and get it marked →10 The diagram shows a section through a flower. S R P Q Which labelled structures are the anther and the ovary? anther ovary A R P B R Q C S P D S Q 6
Answer this question and get it marked →11 Fingerprints are classified by their shape. A class of students identified the type of fingerprint they have on the thumb of their left hand. The chart shows the results. 20 15…
Answer this question and get it marked →12 The diagram shows a food chain. Which is the producer? A B C D 7
Answer this question and get it marked →13 Which row about the effects of deforestation is correct? amount of risk of flooding carbon dioxide in atmosphere A decreased decreased B decreased increased C increased…
Answer this question and get it marked →14 Hexane and octane are liquid hydrocarbons that mix together. Which apparatus is used to separate a mixture of these two liquids? A B C D xxxxxxxxx heat xxxxxxxxx heat
Answer this question and get it marked →15 When solid zinc carbonate is heated, a different solid and a gas are formed. Which type of change occurs? A chemical B exothermic C physical D separation
Answer this question and get it marked →16 An atom of osmium is represented by 190 76 Os. How many neutrons are in this atom? A 76 B 114 C 190 D 266 8
Answer this question and get it marked →17 The structures of some compounds are shown. structure formula H H 1 H C C O H C2H6O H H 2 C=O CO2 O 3 HNO3 H O N O 4 O=S=O SO4 In which rows does the formula match the…
Answer this question and get it marked →18 Molten lead(II) bromide is electrolysed using inert electrodes as shown. power supply + – molten lead(II) bromide An element is produced at the negative electrode. What is the…
Answer this question and get it marked →19 Potassium chloride is added to water. The temperature of the solution decreases as the potassium chloride dissolves. Which type of reaction occurs? A endothermic B exothermic C…
Answer this question and get it marked →20 Iron is extracted from its ore in the blast furnace. One of the reactions involved is shown. Fe2O3 + 3CO 2Fe + 3CO2 Which statement is correct? A Iron(III) oxide and carbon…
Answer this question and get it marked →21 Potassium oxide and sulfur dioxide are both soluble in water. Which row describes properties of these oxides? pH in aqueous effect on damp oxide solution red litmus A potassium…
Answer this question and get it marked →22 The box lists four substances. Br2 CO Cu Na Which substance is an element that forms a basic oxide and coloured compounds? A Br2 B CO C Cu D Na 10
Answer this question and get it marked →23 Which statement about the treatment of the water supply is correct? A Water from reservoirs and rivers is filtered to remove dissolved impurities. B Chlorine is added to the…
Answer this question and get it marked →24 Which element is used in the manufacture of sulfuric acid? A carbon B hydrogen C nitrogen D sulfur
Answer this question and get it marked →25 Which statements about limestone are correct? 1 It contains calcium oxide. 2 It is used to manufacture lime. 3 It neutralises acidic industrial waste products. 4 It neutralises…
Answer this question and get it marked →26 Naphtha is obtained by the fractional distillation of petroleum. Which statements about naphtha are correct? 1 It burns to form carbon dioxide and water. 2 It is a mixture of…
Answer this question and get it marked →27 Which diagram represents a molecule that is formed by fermentation? A B C D H H H H H H H H C H H C C H C C H C C O H H H H H H H H 11
Answer this question and get it marked →28 Two children X and Y pull on a rope in opposite directions. The diagram shows the size of each force and its direction. X Y 500 N 450 N What is the resultant force on the rope?…
Answer this question and get it marked →29 A boy pulls a nail from a block of wood using a hammer, as shown. 15 N hammer 0.22 m nail block of wood 0.060 m pivot The boy pulls the hammer with a force of 15 N in the…
Answer this question and get it marked →30 Electricity is generated using different sources of energy. Which energy source is non-renewable? A coal B hydroelectric C solar D wind 12
Answer this question and get it marked →31 Which statement about gas particles is not correct? A Increasing the temperature of a gas makes the gas particles move more slowly. B The gas particles are in constant random…
Answer this question and get it marked →32 Two methods of cooking are grilling under a red-hot heater and frying in a shallow metal pan. heater food shallow metal pan air food method 1: grilling method 2: frying How…
Answer this question and get it marked →33 What is the name of the distance between two consecutive crests of a water wave? A amplitude B frequency C speed D wavelength 13
Answer this question and get it marked →34 An object is placed in front of a plane mirror on a wall. What are the characteristics of the image formed? A same size as object and inverted top to bottom B same size as…
Answer this question and get it marked →35 A plastic rod is rubbed with a cloth and the rod becomes positively charged. What happens during this process? A Negative charges move from the cloth to the rod. B Negative…
Answer this question and get it marked →36 Which material is used for the core of an electromagnet? A aluminium B copper C iron D steel 14
Answer this question and get it marked →37 The diagrams show four identical resistors connected together in different arrangements. Which arrangement has the smallest combined resistance? A B C D
Answer this question and get it marked →38 There is a current-carrying wire perpendicular to the page. The direction of the current is into the page. Which diagram shows the pattern and direction of the magnetic field…
Answer this question and get it marked →39 The diagram shows how the count rate for a radioactive isotope varies with time. 700 count rate 600 counts / second 500 400 300 200 100 0 0 10 20 30 40 time / hours How many…
Answer this question and get it marked →40 The diagram represents three types of ionising radiation L, M and N directed towards a sheet of paper, a sheet of aluminium foil and a block of lead. The diagram shows whether…
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