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8
1
Name the parts of the cell
answer
A Nucleus
B Cytoplasm
C Cell
membrane
2.
Give the function of the parts of
the cell?
answer
Structure
(part of cell)
Nucleus
Cell membrane
Cytoplasm
Function
(what it does)
Control cell’s activities
Control entry and exit to cell
Site of chemical reactions
3.
What type of cell is this?
How is it specialised?
answer
Blood cell
No nucleus
large surface area for gas exchange
4.
What type of cell is this?
How is it specialised?
answer
Neuron (Nerve cell)
Long tail to carry messages
5.
What is the male sex cell called?
answer
sperm
6.
What is the female sex cell called?
answer
OVA (egg)
7.
Which structure in the nucleus
contains the genes?
answer
Chromosome
8.
Label this diagram and
explain their function?
answer
Head region:
Mainly nucleus
Small food store
Tail:
Enables sperm to swim
9.
How does the size of the ova
compare to the sperm?
answer
The egg is much
larger
10. Which sex cell can move on its
own?
answer
Sperm
(OVA cannot move on their own)
11. Label the diagram.
answer
answer
Sperm
duct .
PENIS
URETHRA –
urine and
seminal fluid
exit via here
TESTES – site
of sperm
production
SC/ FM 10
12. Label the diagram?
answer
OVIDUCT: CILIA TRANSPORT
EGG TO UTERUS
UTERUS:
FERTILISED EGG
IMPLANTS IN
UTERUS WALL
OVARY: RELEASES
EGG
13. Where does fertilisation take
place?
answer
in the oviduct
14. Where does the fertilised egg
implant ?
answer
In the lining of the
uterus
15. Label the diagram and give their
answer
functions?
Placenta: exchange of waste and CO2 from embryo’s blood
supply to mother.
Glucose and oxygen from mothers blood
supply to embryo
Amniotic sac:
Filled with amnion fluid.
Protects embryo.
Umbilical cord: To carry
substances between the
placenta and the embryo
16. Describe the role of the placenta in the womb?
answer
Allows exchange of substances
between the mothers blood supply
and the embryos blood supply.
Large surface area allows easy
diffusion.
The blood supplies DO NOT MIX
17 Label the parts of the microscope
eyepiece
Stage
Mirror
answer
18 Label the parts of the microscope
Focusing
knob
answer
Objective lens