What topics should you study and which ones should you avoid for IGCSE Biology in 2026?

Hello, everyone! Today, we're diving into the recent changes in IGCSE Biology for the Cambridge exam board. These modifications are significant, so let's explore them together.

Exam Structure

• No changes in the exam structure:

• Three exam papers: paper two, paper four, paper six

• Allocation of percentages: 30% for paper two, 50% for paper four, and varied percentages for paper six

• Exam durations remain the same

Content Changes

• Syllabus Alterations

• Removal of numerous topics to simplify the syllabus

• Applicable from May/June 2023 to 2025

Updated Topics

Major Changes

• Excretion

• Elimination of kidney machine, kidney dialysis, and kidney transplant topics

• Drugs

• Restructuring to focus mainly on antibiotics, excluding heroin, stimulants, alcohol, and smoking

• Human Reproduction

• Removal of prenatal care, birth control methods, reproductive surgeries, and developmental aspects

Notable Removals

• Lymphatic system

• Malaria and sickle cell anemia

• Tooth care and decay in human nutrition

• Greenhouse concepts and water treatment in plant nutrition

• Acid rain, water treatment, and nuclear fallout in ecology

Preparation Tips

• Materials Required

• Updated textbooks aligned with 2023 syllabus

• Concise notes focusing on key exam topics

• Practice and Resources

• Utilize classified past paper books with relevant questions

• Access online resources for comprehensive study aids like video lectures and exam tips

Conclusion

Staying updated with the revised IGCSE Biology syllabus is crucial for exam success. Focus on the new additions and exclusions to excel in your Cambridge exams. Good luck with your preparations!