Igcse Model Questions Vol1 2025 Biology Question 17
Practice objective / multiple choice question 17 from the 2025 Igcse Model Questions Vol1 Biology examination.
A woman records the day of her luteinising hormone (LH) surge for three consecutive menstrual cycles: Cycle A - 13 January, Cycle B - 10 February, Cycle C - 7 March. The first day of bleeding in the corresponding cycles was 1 January, 28 January and 25 February respectively. Assuming the luteal phase is a constant (14) days, calculate the average length of the follicular phase (in days) across the three cycles, giving your answer to one decimal place.
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This is Igcse Model Questions Vol1 2025 Biology Question 17. It is one of the objective questions from the 2025 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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