Human reproduction worksheet
Ordinary level biology
1. What is a gamete?________________________________________________________
2. Name the male gamete and the female
gamete?_________________________________________________________________
3. State the name of the pouch covering the testes______________________
4. Why is it important that the temperature of the scrotum remains at 35 degrees
Celsius_________________________________________________________________
5. Label the diagram of the male reproductive system shown.
6. In males where is testosterone
produced________________________________________________________________
7. State the function of the
epididymus______________________________________________________________
8. What is a
vasectomy_______________________________________________________________
9. Name the tube through which sperm are released through the penis _________________
10.Explain the difference between seminal fluid and
semen__________________________________________________________________
________________________________________________________________________
________________________________________________________________________
11.The release of sperm from the penis is called____________________________________
12.Why do sperm producing cells divide by
meiosis_________________________________________________________________
_______________________________________________________________________
13.What is puberty__________________________________________________________
14.In males state the function of FSH___________________________________________
15.In males state the function of LH____________________________________________
16.Testosterone causes secondary male characteristics. List 3 such
characteristics____________________________________________________________
_______________________________________________________________________
17.In relation to male infertility state a cause______________________________________
A prevention _____________________________________________________________
A treatment______________________________________________________________
18.Label the diagram of the female reproductive system
Structure of the Female reproductive system
Fallopian tube
(Oviduct)
Funnel
Ovary
Ovarian Ligament
Uterus
Cervix
Lining of uterus
(endometrium)
Wall of uterus
Vagina
Vulva
19.In females where does meiosis
occur___________________________________________
20.What is a graafian follicle___________________________________________________
21.What hormone does the graafian follicle produce________________________________
22.After ovulation what is the follicle known as ___________________________________
23.What hormone is secreted by the corpus luteum ________________________________
24.State the function of the fallopian tube________________________________________
25.The lining of the womb is called the __________________________________________
26.List two functions of the vagina______________________________________________
27.What is the menstrual
cycle___________________________________________________________________
28.Explain the term menopause_________________________________________________
29.On which days of a typical cycle does menstruation (having a period)
occur___________________________________________________________________
30.Label the stages of the menstrual cycle shown in
If fertilisation has not occurred the
cycle begins again with the breakdown
of the endometrium.
The Menstrual Cycle
28
27
1
2
26
3
4
25
DAY 1-5 : Blood from the
womb lining is shed from
the body
5
24
23
6
22
7
21
8
After day 5 the lining of
the uterus repairs and
builds up again
20
9
19
18
10
Fertile period
17
16
15
Implantation may happen
14 13
12
11
Ovulation occurs on Day 14
31.Name a hormone which prevents eggs from developing in
females_________________________________________________________________
32.Which hormones in female are associated which secondary sexual
characteristics____________________________________________________________
_______________________________________________________________________
33.State two secondary sexual characteristics in sy
34.females_________________________________________________________________
35.State a cause prevention and treatment of infertility in
females_________________________________________________________________
________________________________________________________________________
36.Explain the term
copulation_______________________________________________________________
37.What is
insemination_____________________________________________________________
38.What is fertilisation
________________________________________________________________________
________________________________________________________________________
39.Where does fertilisation normally
occur___________________________________________________________________
40.List two methods of birth
control______________________________________________
41.What is implantation_______________________________________________________
42.When a sperm and egg join a____________________ is formed which is called a
______________________________ after approximately one week.
43.An amnion and amniotic fluid surround the foetus. State the function of these
structures________________________________________________________________
________________________________________________________________________
44.What is
IVF?___________________________________________________________________
_______________________________________________________________________
45.What is the
chorion_________________________________________________________________
46.Which organ is made both from tissue of the embryo and the mother?
_________________________________________________________________
47.List two functions of the
placenta_________________________________________________________________
________________________________________________________________________
48.Why is it important that the mothers and babies blood supply do not
mix?____________________________________________________________________
49.What connects the embryo to the
placenta?______________________________________
50.Which hormones are secreted during
pregnancy_______________________________________________________________
51.What happens to the walls of the uterus when the levels of progesterone are
low?____________________________________________________________________
52.Where is oxytocin made ____________________________and what is its
function?________________________________________________________________
53.What happens during stage 1 of
birth____________________________________________________________________
________________________________________________________________________
________________________________________________________________________
54.At which stage of birth is the placenta expelled from the
mother?_________________________________________________________________
________________________________________________________________________
55.What is lactation_________________________________________________________
56.State two advantages of
breastfeeding____________________________________________________________
57.Name the hormone which stimulated milk production in the mammary
glands________________________________________________________