IB Biology SL D3.3.2 Negative Feedback Loops Questions
Explain how negative feedback detects a deviation from a set point and reverses it through receptors, coordinators and effectors.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain how negative feedback opposes a change and returns a variable toward its set point.
IB Biology SL D3.3.2 Negative Feedback Loops Questions question 1
The diagram shows a feedback pathway.
Which sequence is an example of the pathway?
I
II
III
high blood sugar
alpha cells
secretion of insulin
low blood sugar
alpha cells
secretion of glucagon
high blood sugar
beta cells
secretion of glucagon
low blood sugar
beta cells
secretion of insulin
All question bank results loaded