Question 1

Which of the following is considered a microbe but NOT a microorganism?

Accepted Answer

SARS-CoV-2 (Covid-19 virus)

Question 2

Antonie van Leeuwenhoek observed microorganisms under his microscope and called them 'animalicules.' Which microorganisms did he observe?

Accepted Answer

Bacteria and protozoa

Question 3

Which branch of biology is concerned with the naming and classifying of organisms?

Accepted Answer

Taxonomy

Question 4

Which of the following groups is composed of prokaryotic organisms?

Accepted Answer

Archaea

Question 5

Which of the following kingdoms is NOT part of the Eukaryotic Domain?

Accepted Answer

Kingdom Eubacteria

Question 6

Biologists can divide living organisms into two groups: autotrophs and heterotrophs, which differ in _________.

Accepted Answer

Their method of obtaining energy

Question 7

Which of the following represents the correct way to format the scientific name of an organism?

Accepted Answer

Staphylococcus epidermidis

Question 8

Which of the following groups is considered acellular?

Accepted Answer

Viruses

Question 9

Which of the following is not a characteristic of bacteria?

Accepted Answer

All have the same shape

Question 10

Many species of Archaea are known to thrive in environments in which most living things would not survive. We call these Archaea…

Accepted Answer

Extremophiles

Question 11

Although plants and fungi are very similar, fungi do not have…

Accepted Answer

The ability to perform photosynthesis

Question 12

Which of these answers about helminths is true?

Accepted Answer

Helminths are parasitic animals with microscopic eggs that infect many other animals species

Question 13

Viruses are obligate intracellular parasites. Which of the following statements is TRUE?

Accepted Answer

Contain both protein and nucleic acids

Question 14

Which of the following is a beneficial activity of microorganisms?

Accepted Answer

All of the above

Question 15

Which of the following is true of the normal human microbiota?

Accepted Answer

It consists of trillions of microorganisms living on and in the human body that have a beneficial role in human health

Question 16

Which of the following shows the best order of steps of the scientific method?

Accepted Answer

Observation → Hypothesis → Experiment → Data Analysis → Conclusion → Peer Review & Publish

Question 17

In an experiment to test the effect of temperature on bacterial reproduction rate, temperature would be the:

Accepted Answer

Independent variable

Question 18

The basic unit of life is a cell. What type of microscope can be used to visualize prokaryotic cells?

Accepted Answer

Light microscope

Question 19

The resolving power of a microscope is described as the ability of the microscope to…

Accepted Answer

Visually separate two objects that are very close together

Question 20

Which of the following statements about the cell theory is false?

Accepted Answer

All cells arise spontaneously

The Microbial World: Foundations of Microbiology

Study Guide - Practice Questions