International Baccalaureate. Biology (SL/HL)

First teaching: 2023. First exam: 2025 

A Unity and diversity

A1.1 Water; Answer (A1.1)

B Form and function

B1.2 Protein; Answer (B1.2)

C Interaction and interdependence

C4.1 Populations and Communities; Answer (C4.1)

C4.2 Transfer of energy and matter; Answer (C4.2)

D Continuity and change

D4.2 Stability and change; Answer (D4.2)

D4.3 Climate change; Answer (D4.3)

Revision questions 

(Revision questions are broadly categorized into 1. Molecules, 2. Cells, 3. Organism and 4. Ecosystem)

Revision Question 1 (4. Ecosystems)

Revision Question 2 (1. Molecules)

Revision Question 3 (4. Ecosystems)

Revision Question 4 (4. Ecosystems)

Revision Question 5 (4. Ecosystems)

Revision Qustion 6 (2. Cells)

Revision Question 7 (1. Molecules)

Revision Question 8 (1. Molecules)

Revision Question 9 (1. Molecules )

Revision Question 10 (2. Cells)

Revision Question 11 (1. Molecules )

Revision Question 12 (1. Molecules)

Revision Question 13 (1. Molecules)

Revision Question 14 (1. Molecules)

Revision Question 15 (1. Molecules)