DP Biology (first assessment 2025)

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Question 22M.1A.SL.TZ2.29

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Date May 2022 Marks available [Maximum mark: 1] Reference code 22M.1A.SL.TZ2.29
Level SL Paper 1A Time zone TZ2
Command term Question number 29 Adapted from N/A
29.
[Maximum mark: 1]
22M.1A.SL.TZ2.29

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.

[1]

Markscheme

A

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