With typical use, 7 out of 100 women using the combined pill become pregnant in one year. With typical use, 13 out of 100 women whose partners use male condoms become pregnant in one year. Which is the best evaluation of using the combined pill instead of male condoms?
The pill is more effective at preventing pregnancy, but it does not protect against STIs.
The pill is less effective at preventing pregnancy, but it does protect against STIs.
The pill is more effective at preventing pregnancy, and it also protects against STIs.
The pill is less effective at preventing pregnancy, and it does not protect against STIs.
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.