IB past paper analysis

Biology SL
Specimen 2025 · Paper 2

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  • 8questions
  • 64marks
  • 27question parts
  • 20micro-topics

What this paper tests

Mark distribution

  • Continuity and change41%
  • Unity and diversity23%
  • Experimental and data skills17%
  • Form and function9%
  • Interaction and interdependence9%

Hardest areas (by marks)

  1. 1.Variation: the raw material7 marks
  2. 2.Thermoregulation7 marks

Question types

explain / justify: 41%write down / state: 22%outline: 11%compare: 7%0%
  • explain / justify41%
  • write down / state22%
  • outline11%
  • compare7%

0% of parts are show / prove.

Questions in this paper

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Good to know

Can I download Biology SL Specimen 2025 Paper 2 here?

No. The paper and its mark scheme belong to the IB and are not reproduced. This page gives the structure of every question (marks, command term, micro-topic, the skill tested), the exam analysis, and practice questions we wrote to test the same skills. Subscribers can also open our summary of how each part's marks are awarded.

Which topics dominate Specimen 2025 Paper 2?

Continuity and change 41% (typical 25%), Unity and diversity 23% (typical 17%), Experimental and data skills 17% (typical 12%).

How do I practise this paper without the paper?

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