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IB Biology Questionbank | 4000+ Questions
If you are HL, you should complete both SL and HL. GOOD LUCK!
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Topic A
A1.1 (HL)
Water
A1.1 (SL)
Water
A1.2 (HL)
Nucleic Acids
A1.2 (SL)
Nucleic Acids
A2.1 (HL)
Orig. of cells
A2.2 (HL)
Cell Structure
A2.2 (SL)
Cell Structure
A2.3 (HL)
Viruses
A3.1 (HL)
Div. of Org.
A3.1 (SL)
Div. of Org.
A3.2 (HL)
Clas. & Clad.
A4.1 (HL)
Evo. & Spec.
A4.1 (SL)
Evo. & Spec.
A4.2 (SL)
Cons. of Biodiv.
Topic B
B1.1 (SL)
Carb. & Lipids
B1.2 (HL)
Proteins
B1.2 (SL)
Proteins
B2.1 (HL)
Mem. & Mem. Trans.
B2.1 (SL)
Mem. & Mem. Trans.
B2.2 (HL)
Org. & Compart.
B2.2 (SL)
Org. & Compart.
B2.3 (HL)
Cell Spec.
B2.3 (SL)
Cell Spec.
B3.1 (HL)
Gas Exchange
B3.1 (SL)
Gas Exchange
B3.2 (HL)
Transport
B3.2 (SL)
Transport
B3.3 (HL)
Muscle & Motility
B4.1 (SL)
Adapt. to Envir.
B4.2 (SL)
Eco. niches
Topic C
C1.1 (HL)
Enzy. & Meta.
C1.1 (SL)
Enzy. & Meta.
C1.2 (HL)
Cell Resp.
C1.2 (SL)
Cell Resp.
C1.3 (HL)
Photosynthesis
C1.3 (SL)
Photosynthesis
C2.1 (HL)
Chem. Signal.
C2.2 (HL)
Neu. Signal.
C2.2 (SL)
Neu. Signal.
C3.1 (HL)
Int. of Body Sys.
C3.1 (SL)
Int. of Body Sys.
C3.2 (SL)
Def. against Dis.
C4.1 (SL)
Pop. & Commu.
C4.2 (SL)
Tran. of En. & Mat.
Topic D
D1.1 (HL)
DNA Replication
D1.1 (SL)
DNA Replication
D1.2 (HL)
Protein Syn.
D1.2 (SL)
Protein Syn.
D1.3 (HL)
Mut. & Gene Edit.
D1.3 (SL)
Mut. & Gene Edit.
D2.1 (HL)
Cell & Nuc. Div.
D2.1 (SL)
Cell & Nuc. Div.
D2.2 (HL)
Gene Exp.
D2.3 (HL)
Water potential
D2.3 (SL)
Water potential
D3.1 (HL)
Reproduction
D3.1 (SL)
Reproduction
D3.2 (HL)
Inheritance
D3.2 (SL)
Inheritance
D3.3 (HL)
Homeostasis
D3.3 (SL)
Homeostasis
D4.1 (HL)
Nat. Select.
D4.1 (SL)
Nat. Select.
D4.2 (HL)
Stab. & Change
D4.2 (SL)
Stab. & Change
D4.3 (HL)
Climate Change
D4.3 (SL)
Climate Change
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