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Chapter 3 - Reproduction
1.Explain what is understood by asexual reproduction. Give some examples.
2. What is the difference between asexual reproduction and sexual reproduction?
3. What are the main advantages of (a) sexual reproduction; (b) asexual reproduction.
4. What are the disadvantages of (a) sexual reproduction (b) asweual reproduction.
5. Draw and label a diagram of the main structures of the flower
6. What is the function of the sepals, petals, anther, stigma and ovary?
7. Define the following: sperm, ovum, gamete, fertilization & zygote.
8. Compare the sperm differs from the ovum.
9. How does the ovum differ from the zygote?
10. .What is the general term for organs that produce the sex cells? What are these organs in the male and the female?.
11. .Draw and label the male reproductive system. List the organs that sperm pass through in their correct order.
12. Briefly explain the function of the various organs of the male reproductive system. - scrotum, epididymis, testis, vas deferens, and urethra.
13. Explain the function of the prostate gland, seminal vesicles and the Cowpers' glands. What is the function of the fluid they secrete?
14.Draw and label the female reproductive system.
15. Explain the function of the main organs of the female reproductive system.
16. Where does fertilisation occur? How long can the ovum survive without fertilisation?
17. what is the fertilised egg called? What is it called after implantation?
18. .What starts to form on the uterus wall after implantation?
19. Explain the function of the placenta, amniotic fluid and the umbilical cord.
20.. What is the difference between an embryo and a fetus?
21.Explain what is meant by gestation. Is it the same for all animals?
22. What are the three stages of labour? Describe briefly what happens at each stage in one sequence.
23. What position is the baby in in th majority of births? What is a breech birth?
24. What is the difference between fraternal twins and identical twins?
25 What is produced by the mammary glands? .What is colostrum?
26 what are the four phases in the menstrual cycle? Briefly outline what occurs in each stage..
27.What is meant by contraception?
28. What is (a) an natural method of contraception; (b) a hormonal method; (c) a barrier method that prevents fertilisation; (d) a method that prevents implantation.
29. What contraceptive method/s also help to prevent the transference of sexually transmitted diseases.
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