Biology
IB Biology — Molecular Biology topical past papers
678 past-paper questions on Molecular Biology for Biology.
- Questions
- 678
- Years
- 2009–2024
- With mark scheme
- 97%
- Questions 2020–2024
- 188
Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.
How Molecular Biology has been examined
From 2020 to 2024, Molecular Biology was on 2 HL in 9 of 9 exam series, worth about 23% of that paper’s marks.
| Paper | Questions | Share of marks | Series |
|---|---|---|---|
| 1 HL | 61 | 11% | 9 of 9 |
| 1 SL | 70 | 23% | 7 of 8 |
| 2 HL | 25 | 23% | 9 of 9 |
| 2 SL | 20 | 22% | 7 of 8 |
| 3 HL | 3 | 3% | 2 of 2 |
| 3 SL | 9 | 17% | 2 of 2 |
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: Molecular Biology.
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.
- Pick chapters, a number of questions and a time, and the exam builder draws a mock to sit and mark.
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.