Human Reproduction (21 Pages)
Essay Questions
1. (a) Explain the importance of gametes and fertilization
in sexual reproduction
(6)
(b) Draw a labeled diagram of a human sperm
(5)
(c) Describe the process of oogenesis in human females
(7)
2. (a) State the sources of variation resulting from sexual
reproduction (6)
(b) Draw and label the urinogenital system in a human
male
(6)
(c) Describe the secondary sexual characteristics in
human adults (6)
3. (a) Draw a labeled diagram of a cross section in a
seminiferous tubule (6)
(b) Describe the menstrual cycle in the human female
(8)
(c) Use a diagram to describe the structure of a human
egg
(4)
4. (a) Explain why the amount of variation in humans is much
higher than in the fruit fly which has only
4 pairs of chromosomes
(4)
(b) Draw and label a section in the testis of a human
male
(6)
(c) Describe the process of spermatogenesis in humans (8)
5. (a) Draw a labeled diagram of the female reproductive
system (6)
(b) Use a labeled diagram to show the hormonal changes
during the menstrual cycle
(4)
(c) Use a table to compare between the processes of
spermatogenesis and oogenesis
(8)
6. (a) State the difference between
fertilization and copulation
(4)
(b) Describe the events taking place after fertilization
and until the process of implantation
(8)
(c) State the functions of the amniotic fluid
(6)
7. (a) Describe the structure and function of the placenta
(8)
(b) Describe the process of implantation and the role of
HCG in humans (6)
(c) Describe the function and structure of the umbilical
cord (4)
8. (a) State and describe briefly the three stages of birth
(4)
(b) Draw a labeled diagram of the baby in the uterus
(6)
(c) Discuss the process of amniocentesis and its uses
(8)
9. (a) Discuss some ethical issues concerning contraception
(4)
(b) Discuss the process of CVS (Chorionic
Villi Sampling) and its uses (7)
(c) Discuss the process and the need for
invitro fertilization (IVF) in
humans
(7)
10. (a) Discuss some ethical issues concerning test tube
babies
(4)
(b) Explain how identical and non identical
twins are produced in
humans
(6)
(c) Explain the hormonal control of sexual
maturity in human males (8)
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