1When an egg is cracked a little on one side and left in a beaker for a few days, what change takes place in it, and why does that change happen?
2How do the structures of a virus, a bacterium, an amoeba and a fungus differ from one another?
3What is a microorganism, and what is microbiology?
4Why is a virus called an obligatory parasite?
5What does it mean to say that a virus shows the properties of both living and non-living things?
6Write down the ways in which bacteria obtain their food.
7How does an amoeba move, and how does it carry out its life processes?
8Why are fungi called saprophytes, and what is their body like?
9Name two kinds of amoeba that cause disease in human beings and say what each one does.
10Is every member of the fungi kingdom a microorganism? Give a reason.