A person wants contraception that does not contain hormones and also reduces transmission of sexually transmitted infections. Which method best meets both requirements?
A diaphragm placed over the cervix before sexual intercourse.
A copper intrauterine device placed inside the uterus.
A condom used as a barrier during sexual intercourse.
A spermicide applied before sexual intercourse without a barrier.
62 exam-style questions on AQA GCSE Biology 5.3 Hormonal coordination in humans, covering 5.3.1 Human endocrine system, 5.3.2 Control of blood glucose concentration, 5.3.3 Maintaining water and nitrogen balance in the body, 5.3.4 Hormones in human reproduction, 5.3.5 Contraception, 5.3.6 The use of hormones to treat infertility (HT only), and 5.3.7 Negative feedback (HT only). Each one has a worked solution and a mark scheme showing where the marks go.