Igcse Model Questions Vol1 2024 Biology Question 13
Practice objective / multiple choice question 13 from the 2024 Igcse Model Questions Vol1 Biology examination.
The following table shows average concentrations of estrogen (E₂) and progesterone (P₄) in a woman's menstrual cycle.\n\n| Day | E₂ (ng mL⁻¹) | P₄ (ng mL⁻¹) |\n|-----|--------------|--------------|\n| 1 | 30 | 1 |\n| 7 | 120 | 2 |\n| 14 | 350 | 5 |\n| 21 | 150 | 20 |\n| 28 | 40 | 10 |\n\nBased on these data, (i) on which day is ovulation most likely to occur, and (ii) which hormone is primarily responsible for the surge that triggers ovulation?
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This is Igcse Model Questions Vol1 2024 Biology Question 13. It is one of the objective questions from the 2024 Igcse Model Questions Vol1 Biology examination.
Difficulty level: Medium .
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