SECLeaving CertOrdinary Level2016–2025 · 10 papers analysed

Leaving Cert BiologyOrdinary Level
Past Paper Topic Frequency Analysis

We ran a full past paper analysis across 10 SEC Leaving Cert Biology Ordinary Level papers (2016–2025), identifying which topics appear most frequently, which are overdue, and where to focus your revision for maximum marks.

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2026 Data-Driven Forecast

Based on our analysis of 10 SEC papers, Human Circulatory System remains a key area of focus, appearing in 70% of exams. For the 2026 cycle, we have identified 2 high-probability topics that show consistent recurrence patterns. Focus your revision on these core areas to maximize your mark potential.

Verified against 10 official papers
Top topics by frequency (2016–2025)
consistent70%
DNA and Genetics
6/10 papershigh
consistent60%
Human Digestive System
5/10 papersmedium
consistent50%
Microbiology5/10 papers
Human Reproductive System5/10 papers
Human Respiratory System5/10 papers
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12 more topics in the full analysis

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Key insight
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Human Circulatory System: appears in 7/10 papers
This topic consistently carries ~22 marks. Prioritize understanding the structure and function of the heart and blood vessels.
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DNA and Genetics: appears in 6/10 papers
With an average of ~21 marks, focus on key concepts like inheritance patterns and genetic mutations.
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Human Digestive System: appears in 5/10 papers
This topic is essential for ~22 marks. Revise the processes of digestion and the roles of different organs.

4 more insights in your personalised analysis

✦ Custom past paper analysis

This analysis used standard papers.
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Upload your own past paper PDFs — any combination of years, papers, or variants — and get a personalised topic frequency analysis, revision checklist, and practice questions generated in the style of your exact papers.

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Full topic frequency breakdown
Interactive revision checklist
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Practice questions in exam style
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