BIOS 242 Week 1 Quiz: Summer 2021
1. Question: Disease-causing microorganisms are called __________
Pathogens.
2. Question: a microbiologist inoculates Staphylococcus aureus into a culture medium. Following
incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be
growing in this culture. What is the most likely explanation?
the culture is contaminated
3.Question: Humans can see objects as small as 0.1 mm. Leeuwenhoek’s best microscope could
magnify objects to 300X. which of the following would be invisible using Leeuwenhoek’s
microscope?
Poliovirus, 30 nm
4.Question: Agar is an important component of media because
Agar provides a solid surface for bacterial growth
1. Question: Disease-causing microorganisms are called __________
Pathogens.
2. Question: a microbiologist inoculates Staphylococcus aureus into a culture medium. Following
incubation, both Staphylococcus aureus and Staphylococcus epidermidis are determined to be
growing in this culture. What is the most likely explanation?
the culture is contaminated
3.Question: Humans can see objects as small as 0.1 mm. Leeuwenhoek’s best microscope could
magnify objects to 300X. which of the following would be invisible using Leeuwenhoek’s
microscope?
Poliovirus, 30 nm
4.Question: Agar is an important component of media because
Agar provides a solid surface for bacterial growth
