The term facultative anaerobe refers to an organism that _________

uses oxygen when present or grows without oxygen when oxygen is absent

doesn't use oxygen but tolerates it

A microbiology student noticed that a culture broth tube was very turbid at the surface but clear throughout the rest of the tube. She can conclude that the ____________

organism should be grown in an anaerobic chamber.

organism cannot produce superoxide dismutase and/or catalase.

Which of the following procedures can be used to isolate a pure culture of a bacterium from a mixture?

All the above can be used to isolate a pure culture of a bacterium from a mixture.

When streaking a plate, the lid should be

placed on the bench top, inside surface up

placed on the bench top, top side up

placed on the bench top, inside surface up

should be held in the same hand as the plate

should be held in the opposite hand from the plate

When streaking a plate, the loop should be flamed

At the beginning and end and between each zone

At the beginning and end and between the first 2 zones

At the beginning and end and between each zone

At the beginning and end and between the second and third zone

During log phase, bacteria are

dividing at the fastest possible rate.

dying and dividing in equal numbers.

dividing at the fastest possible rate.

Specific organisms that are considered strict anaerobic anaerobs include:

E.coli and Streptococus pneumoniae

Test Your Microbiology Skills - Quiz

Approved & Edited by ProProfs Editorial Team

At ProProfs Quizzes, our dedicated in-house team of experts takes pride in their work. With a sharp eye for detail, they meticulously review each quiz. This ensures that every quiz, taken by over 100 million users, meets our standards of accuracy, clarity, and engagement.

Learn about Our Editorial Process

| Written by Zameer_mind

Zameer_mind

Community Contributor

Quizzes Created: 3 | Total Attempts: 5,000

Questions: 16 | Attempts: 1,467 | Updated: Mar 22, 2023

Questions

Settings

Create your own Quiz

Test Your Microbiology Skills - Quiz - Quiz

Microbiology is the study of very tiny organisms, formally knows as microorganisms, especially those which cause infections and diseases. It is one of the most important branches of microbiology. Take this test and learn more about the study of microorganisms.

Questions and Answers

Test Your Microbiology Skills - Quiz

Which of the following terms describes organisms that thrive in the cold?

An organism is completely dependant on atmospheric O2 for growth. This organism is a(n)

The term facultative anaerobe refers to an organism that _________

A microbiology student noticed that a culture broth tube was very turbid at the surface but clear throughout the rest of the tube. She can conclude that the ____________

Which of the following procedures can be used to isolate a pure culture of a bacterium from a mixture?

Addition of blood to a culture medium only allows the hemolytic bacteria that grow on the plate to be picked out. This is an example of a

Addition of salt to a culture medium only allows the salt-tolerant bacteria to grow. This is an example of a

Plates should be incubated

When streaking a plate, the lid should be

When streaking a plate, the loop should be flamed

Which of these factors will not affect your Gram stain results? (Given that everything else is done correctly.)

During log phase, bacteria are

What stain technique has been use for this staining?

Specific organisms that are considered strict anaerobic anaerobs include:

Proved the microorganisms cause disease

What type of media would the plate in the figure be if it allowed most all bacteria to grow, but distinguished between colonies of one organism from another?