IB Biology HL 2.1.14 Regulation by feedback Question Bank
Practise IB Biology HL 2.1.14 by applying regulation by feedback concepts to exam-style questions.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- identify the relevant biological structure, process or evidence
- apply the correct biological mechanism to the question
- evaluate the result using data, adaptation or ecological reasoning
C2.1.14 (HL)—Regulation by feedback question 1
[Maximum number: 1]
What is an example of negative feedback in the menstrual cycle?
A
High levels of estrogen inhibit FSH secretion.
B
High levels of LH stop progesterone secretion.
C
High levels of FSH delay ovulation.
D
High levels of progesterone make follicles less receptive to FSH.
A
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