OCR GCSE · Analysis & Prediction

2022 OCR GCSE Gateway Science - Biology A - J247 Past Paper: Analysis & Answers

The June 2022 OCR GCSE Biology A (Gateway Science) series presented a well-balanced assessment across both tiers. Core themes heavily emphasized practical experimental methodology (such as enzyme action with phenolphthalein, potometer transpiration setups, quadrat sampling, and compost respiration), endocrine control and homeostasis (thermoregulation, hormone replacement therapy, and diabetes), and molecular genetics/inheritance. Mathematical applications were prominent, requiring calculations of rates, percentage changes, ratios, and standard form conversion.

Updated: 18 Aug 2026

Analysis Sample paper

Difficulty 3.2/5

Total marks

180

Duration

210 mins

Most tested

Endocrine Control, Hormones, and Homeostasis

Paper breakdown

Paper 1 (Foundation/Higher): 90 marks · 105 minsPaper 2 (Foundation/Higher): 90 marks · 105 mins

Top chapters

Coordination and control – the endocrine system · 28 marksInheritance · 25 marksMonitoring and maintaining health · 24 marksSupplying the cell · 22 marksEcosystems · 20 marks

Overview & Difficulty Verdict

The 2022 examination series for OCR Gateway Biology A (J247) proved to be accessible across Foundation tiers while maintaining rigorous discriminatory power on the Higher tier. The papers balanced fundamental factual recall (AO1) with significant experimental design, mathematical processing, and data interpretation (AO2 and AO3). Students who thoroughly revised practical procedures and mathematical handling scored substantially higher.

Key Thematic Focus Areas

Several major subject areas dominated the allocation of marks:

Scaling Up & Organism Level Systems: Cardiovascular mechanics (heart anatomy, double circulatory system, coronary heart disease treatments), endocrine regulation (menstrual cycle, FSH, HRT, thyroxine), and eye defects/reflex arcs.
Cell Level Systems & Genetics: Protein synthesis (transcription/translation), genetic crosses (Punnett squares, probability of autosomal dominant disorders like amyloidosis), mitosis/meiosis, and cell differentiation in bone marrow stem cells.
Ecosystems & Global Challenges: Sampling techniques (quadrats, capture-recapture), food webs, pyramids of biomass, biological control, and pathogen transmission/vaccine immunity curves.

Examiner Pitfalls & Common Errors

Examiner marking guidance highlighted recurring student missteps:

Vague Biological Terminology: Stating that respiration 'produces energy' rather than 'releases/transfers energy' or generates ATP led to missed marks.
Graph Reading & Decimal Places: Candidates frequently failed to follow specific rounding instructions (e.g. failing to give answers to 1 decimal place or standard form).
6-Mark Extended Responses: On the level-of-response questions (reflex arcs and red blood cell differentiation), weaker candidates omitted key sequence steps or failed to link analytical observations directly to biological mechanisms.

Revision Strategy & Predictions

For upcoming series, prioritize: (1) multi-step mathematical calculations involving standard form and magnification equations \( M = \frac{I}{A} \), (2) evaluating ethical and practical trade-offs in biotechnological and ecological management, and (3) precision in defining enzyme, transport, and hormonal pathways.

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Charts

Marks by chapter

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Question type mix

Compare the mark share of each paper section and question type.

Multiple Choice (Section A)30 marks · 30 questions
Short Structured Response78 marks · 38 questions
Calculations & Data Handling36 marks · 14 questions
Extended Response (6-marker)36 marks · 6 questions

Mark accessibility

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78%within easy or medium reach

easy: 65 marksmedium: 75 markshard: 40 marks

Command word frequency

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Skill weighting

Shows the skill mix this paper tested most heavily.

Study ROI

Bigger bubbles recur more often; higher bubbles carry more marks, helping you rank revision priorities.

Endocrine Control & Menstrual Cycle

28 marks · Difficulty 2.5 · recurrence 95%

Inheritance, Genetic Crosses & Probability

25 marks · Difficulty 2.8 · recurrence 90%

Cardiovascular Anatomy & Heart Disease

22 marks · Difficulty 2.4 · recurrence 85%

Sampling & Ecological Interdependence

20 marks · Difficulty 2.6 · recurrence 88%

Enzymes & Experimental Variable Design

18 marks · Difficulty 3.4 · recurrence 82%

Time vs marks

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marksmins

Next-year prediction

Topics worth watching next year, with the reason shown directly below each bar.

Plant Transport & Potometer Investigations88%

Continues to be a specification staple for testing mathematical application (rates, surface area) and practical methodology.

Limiting Factors in Photosynthesis85%

Inverse square law and graphical multi-limiting factor analysis were lightly tested and are prime candidates for future papers.

Monoclonal Antibodies & Aseptic Techniques82%

Only assessed via low-tariff multiple choice in this series; overdue for a comprehensive higher-tariff practical/application question.

Cumulative marks ladder

The line is your running mark total question by question; dashed lines are the estimated grade cut-offs. See which question the line crosses your target grade at, so you know how far you must answer cleanly and which questions decide a band.

Examiner insights

Official report

Common pitfalls

Using imprecise language regarding energy in respiration: stating respiration 'makes energy' instead of 'releases energy' or 'transfers energy to ATP'.
Omitting units or correct formatting when requested to state numerical answers in standard form or to a specified number of significant figures/decimal places.
Failing to draw comparison points when asked to evaluate treatments or data sets (e.g. quoting isolated raw figures without calculating differences or percentage changes).
Confusing terms like 'antigen', 'antibody', and 'antibiotic' in immunity and disease prevention questions.

Misconceptions

Believing that low temperatures denature enzymes rather than reducing kinetic energy and collision frequency.
Assuming reflex actions pass through the brain for voluntary processing rather than routing through the spinal cord/relay neurones.
Thinking a dominant allele is always more frequent in a population or that alleles physically destroy other alleles.

Where marks are lost

Failure to identify control variables correctly in enzyme and decomposition investigations (e.g. stating 'same temperature' when temperature is the independent variable).
Losing calculation method marks on multi-step conversions (e.g. converting cm to micrometres or litres to microlitres).
Lack of logical structure in 6-mark extended writing, missing the required link between cause, biological mechanism, and observable result.

Estimated grade cut-off

Updated: 15 Jun 2026

Source: OCR

Level	Mark	Percentage
9	131/180	73%
8	116/180	64%
7	102/180	57%
6	83/180	46%
5	65/180	36%
4	47/180	26%
3	38/180	21%

Official grade boundaries published by OCR.

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