When are aseptic techniques used?
When working with bacteria only.
When working with viruses.
When working with bacteria and fungi.
What is a pathogen?
A microorganism that is harmful to humans.
A microorganism that is not harmful to humans.
A microorganism that can be grown.
Why are benches wiped with alcohol?
To kill microorganisms in the air.
To kill microorganisms on the bench.
To clean the bench.
What is used to sterilise used equipment?
Oven
Hot water
Autoclave
Why is the Petri dish lid only partially lifted?
To prevent the entry of heat.
To allow microorganisms from the air in.
To prevent the entry of microorganisms from the air.
At what temperature are bacteria grown?
Below 37oC.
Above 37oC.
It doesn’t matter.