DP IB Biology: HL
Topic Questions

1. Cell Biology

1.1 Cells: Theory - EASY
1.1 Cells: Theory - MEDIUM
1.1 Cells: Theory - HARD

1.2 Cells: Origin & Ultrastructure - EASY
1.2 Cells: Origin & Ultrastructure - MEDIUM
1.2 Cells: Origin & Ultrastructure - HARD

1.3 Cells: Membrane Structure & Transport - EASY
1.3 Cells: Membrane Structure & Transport - MEDIUM
1.3 Cells: Membrane Structure & Transport - HARD

1.4 Cells: Division - EASY
1.4 Cells: Division - MEDIUM
1.4 Cells: Division - HARD

2. Molecular Biology

2.1 Metabolism & Water - EASY
2.1 Metabolism & Water - MEDIUM
2.1 Metabolism & Water - HARD

2.2 Carbohydrates & Lipids - EASY
2.2 Carbohydrates & Lipids - MEDIUM
2.2 Carbohydrates & Lipids - HARD

2.3 Proteins - EASY
2.3 Proteins - MEDIUM
2.3 Proteins - HARD

2.4 Enzymes - EASY
2.4 Enzymes - MEDIUM
2.4 Enzymes - HARD

2.5 Nucleic Acids: Structure & DNA Replication - EASY
2.5 Nucleic Acids: Structure & DNA Replication - MEDIUM
2.5 Nucleic Acids: Structure & DNA Replication - HARD

2.6 Transcription & Translation - EASY
2.6 Transcription & Translation - MEDIUM
2.6 Transcription & Translation - HARD

2.7 Cellular Respiration - EASY
2.7 Cellular Respiration - MEDIUM
2.7 Cellular Respiration - HARD

2.8 Photosynthesis - EASY
2.8 Photosynthesis - MEDIUM
2.8 Photosynthesis - HARD

3. Genetics

3.1 Genes & Chromosomes - EASY
3.1 Genes & Chromosomes - MEDIUM
3.1 Genes & Chromosomes - HARD

3.2 Meiosis - EASY
3.2 Meiosis - MEDIUM
3.2 Meiosis - HARD

3.3 Inheritance - EASY
3.3 Inheritance - MEDIUM
3.3 Inheritance - HARD

3.4 Genetic Modification & Biotechnology - EASY
3.4 Genetic Modification & Biotechnology - MEDIUM
3.4 Genetic Modification & Biotechnology - HARD

4. Ecology

4.1 Species, Communities, Ecosystems & Energy Flow - EASY
4.1 Species, Communities, Ecosystems & Energy Flow - MEDIUM
4.1 Species, Communities, Ecosystems & Energy Flow - HARD

4.2 Carbon Cycling & Climate Change - EASY
4.2 Carbon Cycling & Climate Change - MEDIUM
4.2 Carbon Cycling & Climate Change - HARD

5. Evolution & Biodiversity

5.1 Evolution & Natural Selection - EASY
5.1 Evolution & Natural Selection - MEDIUM
5.1 Evolution & Natural Selection - HARD

5.2 Classification & Cladistics - EASY
5.2 Classification & Cladistics - MEDIUM
5.2 Classification & Cladistics - HARD

6. Human Physiology

6.1 Digestion & Absorption - EASY
6.1 Digestion & Absorption - MEDIUM
6.1 Digestion & Absorption - HARD

6.2 The Blood System - EASY
6.2 The Blood System - MEDIUM
6.2 The Blood System - HARD

6.3 Defence Against Infectious Disease - EASY
6.3 Defence Against Infectious Disease - MEDIUM
6.3 Defence Against Infectious Disease - HARD

6.4 Gas Exchange - EASY
6.4 Gas Exchange - MEDIUM
6.4 Gas Exchange - HARD

6.5 Neurones & Synapses - EASY
6.5 Neurones & Synapses - MEDIUM
6.5 Neurones & Synapses - HARD

6.6 Hormones, Homeostasis & Reproduction - EASY
6.6 Hormones, Homeostasis & Reproduction - MEDIUM
6.6 Hormones, Homeostasis & Reproduction - HARD

7. Nucleic Acids (HL Only)

7.1 DNA Structure & Replication - EASY
7.1 DNA Structure & Replication - MEDIUM
7.1 DNA Structure & Replication - HARD

7.2 Transcription & Gene Expression - EASY
7.2 Transcription & Gene Expression - MEDIUM
7.2 Transcription & Gene Expression - HARD

7.3 Translation - EASY
7.3 Translation - MEDIUM
7.3 Translation - HARD

8. Metabolism, Cell Respiration & Photosynthesis (HL Only)

8.1 Metabolism - EASY
8.1 Metabolism - MEDIUM
8.1 Metabolism - HARD

8.2 Cell Respiration - EASY
8.2 Cell Respiration - MEDIUM
8.2 Cell Respiration - HARD

8.3 Photosynthesis - EASY
8.3 Photosynthesis - MEDIUM
8.3 Photosynthesis - HARD

9. Plant Biology (HL Only)

9.1 Transport in the Xylem of Plants - EASY
9.1 Transport in the Xylem of Plants - MEDIUM
9.1 Transport in the Xylem of Plants - HARD

9.2 Transport in the Phloem of Plants - EASY
9.2 Transport in the Phloem of Plants - MEDIUM
9.2 Transport in the Phloem of Plants - HARD

9.3 Growth in Plants - EASY
9.3 Growth in Plants - MEDIUM
9.3 Growth in Plants - HARD

9.4 Reproduction in Plants - EASY
9.4 Reproduction in Plants - MEDIUM
9.4 Reproduction in Plants - HARD

10. Genetics & Evolution (HL Only)

10.1 Meiosis - EASY
10.1 Meiosis - MEDIUM
10.1 Meiosis - HARD

10.2 Inheritance - EASY
10.2 Inheritance - MEDIUM
10.2 Inheritance - HARD

10.3 Gene Pools & Speciation - EASY
10.3 Gene Pools & Speciation - MEDIUM
10.3 Gene Pools & Speciation - HARD

11. Animal Physiology (HL Only)

11.1 Antibody Production & Vaccination - EASY
11.1 Antibody Production & Vaccination - MEDIUM
11.1 Antibody Production & Vaccination - HARD

11.2 Movement - EASY
11.2 Movement - MEDIUM
11.2 Movement - HARD

11.3 The Kidney & Osmoregulation - EASY
11.3 The Kidney & Osmoregulation - MEDIUM
11.3 The Kidney & Osmoregulation - HARD

11.4 Sexual Reproduction - EASY
11.4 Sexual Reproduction - MEDIUM
11.4 Sexual Reproduction - HARD

12. Data Questions

12.1 Data Questions (SL) - MEDIUM