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Past papers/IB/IB Biology HL/2026/Paper 1B TZ3

IB Diploma · IB Biology Higher Level

IB Biology HL May 2026 Paper 1B TZ3

35 marks
TZ3

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P1A TZ1 P1A TZ2 P1A TZ3 P2 TZ1 P2 TZ2 P2 TZ3

Paper 1B · other sessions

Previous · November 2025Paper 1B TZ3

All 2026 papers Every Paper 1B

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4 questions · 35 marks. Topics come from our question bank.

Q1Information, inheritance and evolution, Molecules and cells10 marks
Q2Molecules and cells9 marks
Q3Molecules and cells9 marks
Q4Information, inheritance and evolution7 marks

Also listed asIB Biology HL May 2026 Paper 1B TZ3