# Life Sciences Paper 1, November 2024, question 2.2.4

> Use the table to calculate the percentage increase in the progesterone... Marked mark by mark. Q2.2.4, Life Sciences Paper 1 November 2024, 3 marks.

Canonical: https://sharpkop.co.za/life-sciences/2024-nov-p1/q2-2-4/
Last updated: 2026-11-12

Subject: Life Sciences. Source: Based on Nov 2024 · Paper 1 · Q2.2.4. Marks: 3. Not yet checked by a teacher.

## Question 2.2.4 (3 marks)

The table shows the hormone levels in a healthy adult woman during one menstrual cycle.
Day | Oestrogen (pg/mℓ) | Progesterone (ng/mℓ)
4 | 55 | 0,23
8 | 70 | 0,03
10 | 280 | 0,03
12 | 300 | 0,03
14 | 140 | 3,0
16 | 110 | 12,5
20 | 80 | 15,0
24 | 70 | 5,0
28 | 65 | 0,8

Use the table to calculate the percentage increase in the progesterone level from day 16 to day 20 of the cycle. Show ALL your working.

## Practise it

[Answer this question](https://sharpkop.co.za/life-sciences/2024-nov-p1/q2-2-4/) and see it marked mark by mark, with the reason for every lost mark.

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