Biology

From Ibstudy

Grading

The IB grade is comprised of four separate components:

1. Internal Assessments (Lab reports/Practicals): 24% for both Standard (SL) and Higher (HL) levels.
2. Exam Paper 1 - multiple choice questions on the core topics: 20% for both SL and HL.
3. Exam Paper 2 - free response questions on the core topics: 32% for SL; 36% for HL.
4. Exam Paper 3 - free response questions on the option topics: 24% for SL; 20% for HL.

Core topics

1. Cells
2. The Chemistry of Life
3. Genetics
4. Ecology and Evolution
5. Human Health and Physiology
6. Nucleic Acids and Proteins
7. Cellular Respiration and Photosynthesis
8. Further Genetics
9. Human Reproduction
10. Defense Against Infectious Disease
11. Nerves, Muscles, and Movement
12. Excretion
13. Plant Science

Option topics

1. Diet and Human Nutrition
2. Physiology of Exercise
3. Cells and Energy
4. Evolution
5. Neurobiology and Behavior
6. Applied Plant and Animal Science
7. Ecology and Conservation
8. Further Human Physiology