Biology
IB Biology — Nucleic Acids (ahl) topical past papers
161 past-paper questions on Nucleic Acids (ahl) for Biology.
- Questions
- 161
- Years
- 2009–2024
- With mark scheme
- 93%
- Questions 2020–2024
- 59
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Nucleic Acids (ahl) has been examined
From 2020 to 2024, Nucleic Acids (ahl) was on 2 HL in 7 of 9 exam series, worth about 12% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| 1 HL | 41 | 7% | 8 of 9 |
| 1 SL | 4 | 1% | 2 of 8 |
| 2 HL | 13 | 12% | 7 of 9 |
| 2 SL | 1 | 0% | 1 of 8 |
Momentum’s own count, over the questions in its bank for these years: a series is one exam session, every zone included, and a question filed under two chapters counts in both. Median marks per question: 1.
Filed in Momentum under: Nucleic Acids (ahl).
Practising in Momentum
- Every question in a chapter as one list, from every paper and year in the bank, newest first or shuffled.
- Each question turns over to its own part of the mark scheme, where the board published one.
- Narrow by paper, year, session, zone and marks, and star the questions worth keeping.
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Past-paper questions and mark schemes are the copyright of International Baccalaureate. Momentum shows them to signed-in learners for revision and does not publish them on these pages.