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Pearson Edexcel International GCSE In Biology (4BI1) Paper 2BR Mark Scheme JUNE 2024
Question Number 
Answer Mark 
1(a) 
• drowning / being washed overboard / sinking / storms / (bad) weather / attacked / killed by sharks by predators / eq (1) 
1 
 
 
Question Number 
Answer Mark 
1(b) An explanation that makes reference to three of the following points: 
 
1. only based on forecasts / model / not happened yet / can’t predict future / 30 years is a long way off / not guaranteed / eq (1) 
 
2. other (scientists) have different view / only an opinion / governmen...
- Exam (elaborations)
- • 17 pages •
Question Number 
Answer Mark 
1(a) 
• drowning / being washed overboard / sinking / storms / (bad) weather / attacked / killed by sharks by predators / eq (1) 
1 
 
 
Question Number 
Answer Mark 
1(b) An explanation that makes reference to three of the following points: 
 
1. only based on forecasts / model / not happened yet / can’t predict future / 30 years is a long way off / not guaranteed / eq (1) 
 
2. other (scientists) have different view / only an opinion / governmen...
Pearson Edexcel International GCSE In Biology (4BI1) Paper 2B Mark Scheme JUNE 2024
Question Number 
Answer Additional guidance 
Mark 
1(a) The only correct answer is B (1 and 3) 
A is incorrect as yeast has no nervous system 
C is incorrect as yeast has no nervous system 
 
D is incorrect as yeast has no nervous system 
 1 
 
 
 
 
Question Number 
Answer Additional guidance Mark 
1(b) An explanation that makes reference to three of the following: 
 
• competition (between megalodon and whales) (1) 
 
• whales ate more food / eq (1) 
 
 
 
 
• wha...
- Exam (elaborations)
- • 23 pages •
Question Number 
Answer Additional guidance 
Mark 
1(a) The only correct answer is B (1 and 3) 
A is incorrect as yeast has no nervous system 
C is incorrect as yeast has no nervous system 
 
D is incorrect as yeast has no nervous system 
 1 
 
 
 
 
Question Number 
Answer Additional guidance Mark 
1(b) An explanation that makes reference to three of the following: 
 
• competition (between megalodon and whales) (1) 
 
• whales ate more food / eq (1) 
 
 
 
 
• wha...
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1BR Mark Scheme JUNE 2024
Question Number 
Answer 
 
Mark 
 1(a)(i) C (absent, present, absent) 
 
A is incorrect because red blood cells have cytoplasm B is incorrect because human red blood cells do not have a nucleus D is incorrect because red blood cells do not have a cell wall 
 
1 
 
 
Question Number 
Answer 
 
Mark 
1(a)(ii) D (tissue) 
 
A is incorrect because organs have more than one cell type B is incorrect because organisms have more than one cell type C is incorrect systems have more than ...
- Exam (elaborations)
- • 27 pages •
Question Number 
Answer 
 
Mark 
 1(a)(i) C (absent, present, absent) 
 
A is incorrect because red blood cells have cytoplasm B is incorrect because human red blood cells do not have a nucleus D is incorrect because red blood cells do not have a cell wall 
 
1 
 
 
Question Number 
Answer 
 
Mark 
1(a)(ii) D (tissue) 
 
A is incorrect because organs have more than one cell type B is incorrect because organisms have more than one cell type C is incorrect systems have more than ...
Pearson Edexcel International GCSE In Biology (4BI1) Paper 1B Mark Scheme JUNE 2024
Question Number 
Answer 
 
Mark 
1(a)(i) C (oak tree) A is not the answer as beetle is not the producer 
 
 B is not the answer as deer is not the producer D is not the answer as tick is not the producer 
 
1 
 
 
Question Number 
Answer 
 
Additional guidance 
Mark 
1(a)(ii) oak / tree caterpillar mouse tick (2) 
Allow 1 for correct order. No credit for pyramids 
 
2 
 
Question Number 
Answer ...
- Exam (elaborations)
- • 24 pages •
Question Number 
Answer 
 
Mark 
1(a)(i) C (oak tree) A is not the answer as beetle is not the producer 
 
 B is not the answer as deer is not the producer D is not the answer as tick is not the producer 
 
1 
 
 
Question Number 
Answer 
 
Additional guidance 
Mark 
1(a)(ii) oak / tree caterpillar mouse tick (2) 
Allow 1 for correct order. No credit for pyramids 
 
2 
 
Question Number 
Answer ...
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
- Package deal
- • 4 items •
- Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C Mark Scheme Summer 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1CR Mark Scheme Summer 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2C • Exam (elaborations)
- Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2CR Mark Scheme Summer 2024 • Exam (elaborations)
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C ,1CR ,2C and 2CR Mark Scheme JUNE 2024
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4SD0 PAPER: 1C ,1CR and 2C ,2CR QP+ MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4SD0 PAPER: 1C ,1CR and 2C ,2CR QP+ MARKSCHEME JUNE 2024
- Package deal
- • 4 items •
- Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4CH1/4SD0 PAPER: 1C QP +MARKSCHEME May 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4SD0 PAPER: 1CR QP+ MARKSCHEME May 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 PAPER: 2C QP + MARKSCHEME June 2024 • Exam (elaborations)
- Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 PAPER: 2CR QP + MARKSCHEME June 2024 • Exam (elaborations)
Pearson Edexcel International GCSE (9–1) Chemistry UNIT: 4CH1 Science (Double Award) 4SD0 PAPER: 1C ,1CR and 2C ,2CR QP+ MARKSCHEME JUNE 2024
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2CR Mark Scheme Summer 2024
Question number 
Answer Notes Marks 
1 (a) (i) B (3) 
 
A is not the correct answer because sulfur is not in period 2 C is not the correct answer because sulfur is not in period 4 D is not the correct answer because sulfur is not in period 6 
 1 
 
 (ii) D (2−) 
 
A is not the correct answer because the charge on a sulfide ion is not 1+ B is not the correct answer because the charge on a sulfide ion is not 2+ C is not the correct answer because the charge on a sulfide ion...
- Package deal
- Exam (elaborations)
- • 13 pages •
Question number 
Answer Notes Marks 
1 (a) (i) B (3) 
 
A is not the correct answer because sulfur is not in period 2 C is not the correct answer because sulfur is not in period 4 D is not the correct answer because sulfur is not in period 6 
 1 
 
 (ii) D (2−) 
 
A is not the correct answer because the charge on a sulfide ion is not 1+ B is not the correct answer because the charge on a sulfide ion is not 2+ C is not the correct answer because the charge on a sulfide ion...
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 2C
Question number 
Answer Notes Marks 1 (a) (i) sulfur ALLOW S 1 (ii) beryllium ALLOW Be 1 (iii) boron ALLOW B 1 
 
 (iv) 2,8,4 / 2.8.4 ACCEPT diagram showing electron configuration 
 
 1 
 
 (b) An explanation that links the following three points 3 M1 the outer shell is further from the nucleus in sodium/sodium has more shells/sodium has a larger atomic radius ORA ALLOW a sodium atom is larger than a lithium atom 
 
AL...
- Package deal
- Exam (elaborations)
- • 13 pages •
Question number 
Answer Notes Marks 1 (a) (i) sulfur ALLOW S 1 (ii) beryllium ALLOW Be 1 (iii) boron ALLOW B 1 
 
 (iv) 2,8,4 / 2.8.4 ACCEPT diagram showing electron configuration 
 
 1 
 
 (b) An explanation that links the following three points 3 M1 the outer shell is further from the nucleus in sodium/sodium has more shells/sodium has a larger atomic radius ORA ALLOW a sodium atom is larger than a lithium atom 
 
AL...
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1CR Mark Scheme Summer 2024
Question number 
Answer Notes Marks 1 (a) (i) W 1 
 
 (ii) V 1 
 
 (iii) Z 1 
 
 (b) (i) the number of protons (in the nucleus) IGNORE reference to electrons 
 
ALLOW amount of protons 
1 
 
 (ii) (the sum of) the number of protons and neutrons (in the nucleus) ALLOW amount of protons and neutrons 1 
 total for question = 5 
 
 
Question number 
Answer Notes Marks 2 (a) oxygen ALLOW O2 1 
 
 (b) M1 carbon dioxide / C...
- Package deal
- Exam (elaborations)
- • 16 pages •
Question number 
Answer Notes Marks 1 (a) (i) W 1 
 
 (ii) V 1 
 
 (iii) Z 1 
 
 (b) (i) the number of protons (in the nucleus) IGNORE reference to electrons 
 
ALLOW amount of protons 
1 
 
 (ii) (the sum of) the number of protons and neutrons (in the nucleus) ALLOW amount of protons and neutrons 1 
 total for question = 5 
 
 
Question number 
Answer Notes Marks 2 (a) oxygen ALLOW O2 1 
 
 (b) M1 carbon dioxide / C...
Pearson Edexcel International GCSE In Chemistry (4CH1) Paper 1C Mark Scheme Summer 2024
Question number 
Answer Notes Marks 
1 (a) 
 
Description Substance a good conductor of electricity lithium 
an element that is a liquid at room temperature 
bromine 
a substance that can be used to form a polymer 
ethene 
an element that forms a basic oxide 
lithium 
a substance that has a giant covalent structure 
diamond 
 
 
 
 
 
ALLOW Li 
 
 
ALLOW Br/Br2 REJECT Br− 
 
ALLOW C2H4 
 
 
ALLOW Li 
 
 
 
 
 
5 
 
 (b) A descript...
- Package deal
- Exam (elaborations)
- • 18 pages •
Question number 
Answer Notes Marks 
1 (a) 
 
Description Substance a good conductor of electricity lithium 
an element that is a liquid at room temperature 
bromine 
a substance that can be used to form a polymer 
ethene 
an element that forms a basic oxide 
lithium 
a substance that has a giant covalent structure 
diamond 
 
 
 
 
 
ALLOW Li 
 
 
ALLOW Br/Br2 REJECT Br− 
 
ALLOW C2H4 
 
 
ALLOW Li 
 
 
 
 
 
5 
 
 (b) A descript...
Edexcel as level physics question paper 2 june 2023 + mark scheme
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Edexcel a level english literature question p aper 2 june 2023 + mark scheme
Edexcel a level biology a question paper 1 june 2023 salters Nuffield + mark sche me
Edexcel gcse english language paper 2 june 2023 + mark scheme
wrong answer attached