Question

Which microorganism does not cause illness by producing a toxin in a food which is then consumed?

a) Bacillus cereus
b) Clostridium botulinum
c) Staphylococcus aureus
d) Norovirus
e) None of the above

Answer 1

Staphylococcus aureus does not cause illness by producing toxins in food.

Step-by-step explanation:

The microorganism that does not cause illness by producing a toxin in a food which is then consumed is Staphylococcus aureus. Staphylococcus aureus is a bacterium that is commonly found on the skin and in the nose of healthy people. It can contaminate food if proper hygiene practices are not followed, but it does not produce toxins that cause illness in food.