IB Biology HL - 2025 - Questionbank

A4.1 - Evolution & Speciation

Darwin/Lamarck, Convergent Evolution, Reproductive Isolation, Allopatric/Sympatric Speciation, Hybridisation, Polyploidy

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Paper 1

Paper 2

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Hard

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easy

Question 2

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easy

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easy

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easy

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easy

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easy

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easy

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easy

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easy

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easy

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easy

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easy

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easy

Question 15

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medium

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medium

Question 17

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medium

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medium

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medium

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medium

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medium

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medium

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medium

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medium

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medium

Question 26

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medium

Question 27

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medium

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medium

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medium

Question 30

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medium

Question 31

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medium

Question 32

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medium

Question 33

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hard

Question 34

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hard

Question 35

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hard

Question 36

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hard

Question 37

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hard

Question 38

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hard

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