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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE In Chemistry (9CH0) Paper 02: Advanced Organic and Physical Chemistry
1(a) The only correct answer is D (2-bromo-2-methylpropane) A is not correct because 1-bromobutane is a primary halogenoalkane so hydrolyses more slowly than the tertiary halogenoalkane B is not correct because 2-bromobutane is a secondary halogenoalkane so hydrolyses more slowly than the tertiary halogenoalkane C is not correct because 1-bromo-2-methylpropane is a primary halogenoalkane so hydrolyses more slowly than the tertiary halogenoalkane (1) Question Number Answer Mark 1(b) The...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE In Chemistry (9CH0) Paper 01: Advanced Inorganic and Physical Chemistry
1(a) An answer that makes reference to the following points: • first row correct • second row correct • third row correct (1) (1) (1) Species Number of protons Number of neutrons Number of electrons 32S 16 16 16 33S 16 17 16 34S2− 16 18 18 If no marks are scored, allow 1 mark for each correct column (3) Question Number Acceptable Answer Additional Guidance Mark 1(b)(i) • calculation of missing value Example of calculation (100 − 95.02 – 0.75 – 0.02 =) 4.2...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE A Level In Business (9BS0) Paper 03 Investigating Business in a competitive environment
1(a) Knowledge 2, Application 2, Analysis 2, Evaluation 2 ● A private limited company is a business owned by shareholders that have limited liability. ● Vinted has raised €250m from selling additional shares to investors invited by existing shareholders to help fund expansions into new markets ● As Vinted is a private limited company it means existing shareholders control who can buy new shares in the business, increasing financial control and preventing a takeover from rivals, ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE A Level In Business (9BS0) Paper 02 Business activities, decisions and strategy
1(a) Knowledge 1, Application 2, Analysis 1 Knowledge: 1 mark for • understanding of a mission statement e.g. a mission statement is a brief description of a business’ overall aim and strategic vision. or • identification of a relevant benefit of a mission statement, such as giving employees a common focus Application: up to 2 marks for • Vidsy selects specific creative teams from the 7,000 global digital creators • Brands such as Coca-Cola and L’Oreal understand Vidsy’...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE A Level In Business (9BS0) Paper 01 Marketing, people and global businesses
1(a) Knowledge 1, Application 3 Quantitative skills assessed: QS 2 calculate, use and understand percentages and percentage changes QS 8 use and interpret quantitative and non-quantitative information in order to make decisions QS 9 interpret, apply and analyse information in written, graphical and numerical forms Knowledge: 1 mark for calculation of market share • Sales of one business/sales of whole market x 100 Application: up to 3 marks for • Market share of global shipments i...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel A Level GCE In Biology A Salters Nuffield (9BN0) Paper 03: General and Practical Applications in Biology
1(a) An answer that makes reference to the following: • when a species {moves / spreads / grows} into a new area (1) ALLOW to immigrate into a (new) area ALLOW any term that indicates an area e.g. environment / habitat ALLOW other terms in place of species e.g. plant / animal / organism ALLOW pioneer species being first to live in an area IGNORE dominant species in an area / species outcompeting other species in an area (1) Question number Answer Additional guidance Mark 1(b) ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel Advanced Level In Biology A Salters Nuffield (9BN0) Paper 02: Energy, Exercise and Coordination
The only correct answer is D - oxygen A is incorrect as R is not carbon B is incorrect as R is not hydrogen C is incorrect as R is not nitroge
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Mark Scheme (Results) Summer 2024 Pearson Edexcel Advanced Level In Biology A Salters – Nuffield (9BN0) Paper 01: The Natural Environment and Species Survive
The only correct answer is D 31874 kJm-2yr-1. (GPP-R) A is incorrect because it is sunlight-GPP B is incorrect because it is sunlight-GPP-R C is incorrect because it is GPP+R (1) Question Number Answer Additional guidance Mark 1(a)(ii) • correct values selected (1) • correct calculation of percentage light energy fixed as biomass (1) Example of calculation 4615 and 7112800 (4615 ÷ 7112800) x100 = 0.065% ALLOW one mark if 4615 divided by incorrect value and used to calculat...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel Advanced Level GCE In Biology B (9BI0) Paper 03: General and Practical Principles in Biology
An answer that includes the following • meristem (1) (1) Question Number Answer Additional Guidance Mark 1(b)(i) An answer that includes the following: • to {break down middle lamella / break down pectins / separate layers of cells} (1) Accept calcium pectate separate cells (1) Question Number Answer Additional Guidance Mark 1(b)(ii) An answer that includes the following: • to make the {chromosomes / DNA} visible (1) Accept to dye / colour the chromosomes / DNA (1) Question...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE In Biology B (9BI0/02) Paper 2: Advanced Physiology, Evolution and Ecology
1(a)(i) The only correct answer is D (S) A is incorrect as P is the nucleus B is incorrect as Q is a mitochondrion C is incorrect as R is rER (1) Question Number Answer Mark 1(a)(ii) The only correct answer is C (R) A is incorrect as translation does not occur in P B is incorrect as translation does not occur in Q D is incorrect as translation does not occur in S
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Mark Scheme (Results) Summer 2024 Pearson Edexcel Advanced Level GCE In Biology B (9BI0) Paper 1: Advanced Biochemistry, Microbiology and Genetics
1(a) Statement about blood vessels Type of blood vessel both capillaries and veins capillaries only veins only neither capillaries nor veins Endothelial cells Valves (2) Question Number Answer Additional Guidance Mark 1(b) An explanation that makes reference to two of the following: • (blood) fluid is forced through capillary wall (1) • due to high hydrostatic pressure (in arterial end) (1) • due to narrowing of the arteries (1) ACCEP...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE Psychology (8PS0) Paper 2: Biological Psychology and Learning Theories
Question Number Answer Mark 1(a) AO1 (3 marks) Up to three marks for describing how an fMRI scan can be used to investigate the brain. For example: • An fMRI scan measures blood flow in the brain whilst a person is completing a task (1). When a particular area of the brain becomes more active when completing the task there is an increased demand for oxygen (1). The brain responds by increasing blood flow which allows researchers to produce images showing the levels of activity in ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE Psychology (8PS0) Paper 1: Social and Cognitive Psychology
Question Number Answer Mark 1a AO1 (2 marks) Up to two marks for a description of the procedure of Milgram’s Ordinary man gives orders experiment 13 variation study. For example: • The participant and two confederates drew lots, the participant was always the teacher and the confederates were the learner and the accomplice (1). The confederate who was the accomplice said that it would be a good idea to increase the electric shocks one level each time the learner gave an incorrect ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE Advanced Subsidiary In Physics (8PH0) Paper 02: Core Physics II
Question Number Answer Mark 1 The only correct answer is C A is not correct because this is an eighth of a wavelength apart B is not correct because this is a quarter of a wavelength apart D is not correct because this is one wavelength apart 1 2 The only correct answer is D A is not correct because this is the power of one converging lens B is not correct because this is the power of one diverging lens C is not correct because this is the power of two converging lenses 1 3 The only ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE Advanced Subsidiary In Physics (8PH0) Paper 01: Core Physics
Question Number Answer Mark 1 The only correct answer is A Energy as this is the only scalar quantity 1 B is not correct because moment is a vector quantity C is not correct because momentum is a vector quantity D is not correct because velocity is a vector quantity 2 The only correct answer is B P and Q have the same magnitude of momentum. 1 A is not correct because Q moves faster than P as it has a smaller mass and they have the same magnitude of momentum. C is not correct because Q mo...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE AS Mathematics (8MA0) Paper 22 Mechanics
Question Scheme Marks AOs 1(a) Complete method to find AB M1 3.1b 1 1 ( 5 5) (5 15) ( 5 10) 2 2 = + + or 1 (30 15 5 ) 2 = + or ( 5 5) 25 15 5 1 1 ( ) 2 2 = + + or 1 1 (20 15 5 ( 5 10) ) 2 2 = + + or 1 1 (30 5) ( 5 5) ( 5 10) 2 2 = − − A1 1.1b =112.5 (m) A1 1.1b (3) (b) 112.5 0 5 20 30 B1 B1 B1 1.1b 1.1b 1.1b (3) (6 marks) Notes: (a) M1 Complete method to find the total area under the graph...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE AS Mathematics (8MA0) Paper 21 Statistics
1 B1 2.2a B1ft 1.1b B1 2.2a B1ft 1.1b (4 marks) Notes 1st B1 for a box with 2 whiskers (one at each end) with median at 1.85 and lower quartile at 1.81 do not allow median = upper quartile [=1.85] 2nd B1ft for 1.92 plotted as the upper quartile (must be right hand end of box) or for plotting an IQR = 0.11, i.e. their upper quartile at “1.81” + 0.11 3rd B1 for lower whisker ending at 1.72 must be attached to whisker 4th B1ft for upper whisker ending 2.0 must be attached to whisker...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel GCE AS Mathematics (8MA0) Paper 01 Core Mathematics
Question Scheme Marks AOs 1 3 2 2 2 ... x x x − → or 2 3 2 ...x x − − → M1 1.1b 3 2 2 2 2 3 x d 2 3 d x x x x x − − − = − A1 1.1b 3 1 2 2 ... ... x x − − → or ... ... x x − − 2 1 → dM1 1.1b 3 1 2 3 d 4 3 x x x x x c − − 2 2 − = − + + − − 2 1 A1 1.1b (4) (4 marks) Notes M1: For separating the fraction into two separate terms. Award for one correct index (which does not need to be processed. e.g. 1 ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel In GCE History (8HI0/2H) Advanced Subsidiary Paper 2: Depth study Option 2H.1: The USA, c1920–55: boom, bust and recovery Option 2H.2: The USA, 1955–92: conformity and challenge
Generic Level Descriptors Section A: Questions 1a/2a Target: AO2: Analyse and evaluate appropriate source material, primary and/or contemporary to the period, within its historical context. Level Mark Descriptor 0 No rewardable material 1 1–2 • Demonstrates surface level comprehension of the source material without analysis, selecting some material relevant to the question, but in the form of direct quotations or paraphrases. • Some relevant contextual knowledge is included, with ...
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Mark Scheme (Results) Summer 2024 Pearson Edexcel In GCE History (8HI0/2G) Advanced Subsidiary Paper 2: Depth study Option 2G.1: The rise and fall of fascism in Italy, c1911–46 Option 2G.2: Spain, 1930–78: republicanism, Francoism and the re-establishment
Generic Level Descriptors Section A: Questions 1a/2a Target: AO2: Analyse and evaluate appropriate source material, primary and/or contemporary to the period, within its historical context. Level Mark Descriptor 0 No rewardable material 1 1–2 • Demonstrates surface level comprehension of the source material without analysis, selecting some material relevant to the question, but in the form of direct quotations or paraphrases. • Some relevant contextual knowledge is included, with ...
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