IGCSE Biology - Multiple Choice (paper 2, extended) - exams from 2026 #biology #exams #revision

A short tutorial presenting a multiple-choice question relevant to the Cambridge IGCSE Biology examination syllabus for papers starting in 2026. The specific question analyzed originates from the October/November 2024 series, referencing Paper 02, which covers the extended curriculum.

The content addresses Topic 14.3: Hormones, within Chapter 14 (Coordination and response). Key biological concepts covered include the function of adrenaline, the fight or flight response, the role of the iris and pupil diameter, and blood glucose regulation via insulin, glucagon, and the pancreas. This material is designed for revision purposes for students preparing for their IGCSE Biology exams, specifically focusing on the multiple-choice format.

The resource is aligned with the syllabus requirements for detailed understanding of human physiology and hormonal control mechanisms as tested in the extended tier.