Waec Model Questions Vol1 2023 Biology Question 5
Practice objective / multiple choice question 5 from the 2023 Waec Model Questions Vol1 Biology examination.
In a 28‑day menstrual cycle the concentrations (mIU mL⁻¹) of FSH and LH are recorded as follows: Days 1‑5: FSH 5, LH 5; Days 6‑10: FSH rises linearly to 12, LH remains 5; Days 11‑13: FSH stays 12, LH rises sharply to 30 on day 13; Days 14‑16: both hormones fall to 5; Days 17‑28: remain at 5. Ovulation occurs about 24-36 h after the LH surge reaches at least 20 mIU mL⁻¹. On which day of the cycle is ovulation most likely to occur?
Answer Options
About This Question
This is Waec Model Questions Vol1 2023 Biology Question 5. It is one of the objective questions from the 2023 Waec Model Questions Vol1 Biology examination.
Difficulty level: Medium .
Master the Exam!
You've seen a preview, but there are thousands more questions plus AI tutor to break down complex solutions.