b. Identify the location of the following processes: i. ovulation
ii. fertilisation iii. implantation
6. a. List three roles of the female body in human reproduction. b. The ovaries are the primary sex organs in the female body. What is their role?
7. a. Identify two physical changes that take place in the male body during puberty. b. Identify two physical changes that take place in the female body during puberty.
8. a. Put the following stages of the menstrual cycle in the correct order by numbering them 1 to 5: • Lining of the womb begins to break down again if no embryo has implanted. • Lining of the womb detaches and discharges through the vagina. • Lining of the womb continues to build up in anticipation of embryo implantation. • Egg is released from the ovary and enters the fallopian tube. • Lining of the womb is built up with blood vessels. b. Explain the term ‘fertile period’.
9. Explain the difference between a zygote and an embryo. 10. How long is a typical human pregnancy?
11. a. Identify two functions of the placenta. b. What is the function of the amniotic sac?
12. a. Explain the difference between natural contraception and artificial contraception. b. Name three methods of artificial contraception.
13. a. What does IVF stand for? b. Briefly outline the process of IVF.
14. a. What are stem cells? b. Outline two uses of stem cells in modern medicine.
Past paper questions
1. Sample Paper 2018, Question 7 The picture below shows a human female sex cell surrounded by human male sex cells.
Answer questions a., b. and c. by putting a tick () in the correct box. Tick one box only for each question. a. What is the human female sex cell called?