Year 8 Revision
1. Match the organelle to the correct function
Organelle
Nucleus
Mitochondria
Cell Wall
Cell Membrane
Chloroplast
Cytoplasm
4. Label the animal cell
Function
Only in plant cells, makes plants green and produces
energy for plants
The control center of the cell
Only in plant cells and provides structure and support
to the cell
Allows things to move in and out of the cell
The power house of the cell (makes all the energy)
A jelly like substance that fills the cell and hold the
organelles in place
2. What are three differences between plant and animal cells.
a) ______________________________________________
b) ______________________________________________
c) _______________________________________________
5. Write the organ that completes the function in
the digestive system
Part
Function
Tube that the food travels down
Where the food is crushed by chewing
3. If a plant is growing in very dark conditions, would you expect it to have
more chloroplasts or fewer?
Where water and salts are absorbed
Where nutrients are absorbed
_______________________________________________________________
________________________________________________________________
________________________________________________________________
Where waste (faeces) leaves the body
Where the food is mixed with acid to help
break it down
Year 8 Revision
6. Label the digestive system
9. Label the heart
10. Describe three ways in which the heart is specialised to do its job in the body
7. Give TWO reasons that explain why it is important to chew food well before you
swallow
_________________________________________________________________
_________________________________________________________________
_____________________________________________________________________
_________________________________________________________________
_____________________________________________________________________
8. What is the difference between the small and large intestine?
_____________________________________________________________________
_____________________________________________________________________
10. Describe
the function
of the blood
vessel types
Blood Vessel
Artery
Vein
Capillary
Function