Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Historical Perspective - Life Sciences previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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Compare question counts across years.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
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| Paper name | Year | Attempt | |
|---|---|---|---|
Life Sciences (XL) 20262026 | 2026 |
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Life Sciences (XL) 20252025 | 2025 | |
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Life Sciences (XL) 20242024 | 2024 | |
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Life Sciences (XL) 20232023 | 2023 | |
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Life Sciences (XL) 20212021 | 2021 | |
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Life Sciences (XL) 20202020 | 2020 | |
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Life Sciences (XL) 20182018 | 2018 | |
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Life Sciences (XL) 20172017 | 2017 | |
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Life Sciences (XL) 20142014 | 2014 | |
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Life Sciences (XL) 20132013 | 2013 | |
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Life Sciences (XL) 20112011 | 2011 | |
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Life Sciences (XL) 20102010 | 2010 | |
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A varied preview from the papers represented in this selection, with every available option.
Which one of the following statements is NOT associated with contributions of Louis Pasteur?
| Group I | Group II |
|---|---|
| P. Robert Hooke | I. Proved that microbes can cause diseases |
| Q. Paul Ehrlich | II. First to observe cells |
| R. Antony van Leeuwenhoek | III. First to observe bacteria |
| S. Sergei Winogradsky | IV. Used the first synthetic chemotherapeutic agent |
| V. Linked specific bacteria to biogeochemical transformations |