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3.2 Coordination and control – the endocrine system

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Question 11
F

In most women, an egg is released about 14 days before the start of the next period. A woman has a menstrual cycle that lasts 32 days. Day 1 is the first day of her period. On which day of her cycle is an egg most likely to be released?

[1]
A

day 181818

B

day 141414

C

day 161616

D

day 282828

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3.2 Coordination and control – the endocrine system Questions

  1. GCSE
  2. /Biology
  3. /3.2 Coordination and control – the endocrine system

84 exam-style questions on OCR GCSE Biology 3.2 Coordination and control – the endocrine system, covering 3.2.1 Principles of hormonal coordination and control, 3.2.2 Roles of thyroxine and adrenaline, 3.2.3 Hormones in human reproduction, 3.2.4 Interactions of reproductive hormones, 3.2.5 Hormones in contraception, 3.2.6 Hormones in reproductive technologies, 3.2.7 Plant hormones in growth and coordination, 3.2.8 Effects of plant hormones, and 3.2.9 Uses of plant hormones. Each one has a worked solution and a mark scheme showing where the marks go.

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