Microbiology Lab: Written Exam 1
Questions and Answers 100% Pass
Resolution - ✔✔The ability of a lens system to distinguish as separate entities objects
that are very close together
Megnification - ✔✔Making a small object appear larger
Inoculum - ✔✔Sample being transferred
Inoculation - ✔✔Process from transferring a microbe from one medium to another
When using a test tube, you first remove the cap using the - ✔✔Last two fingers (pinkie
and ring finger)
T/F after opening the test tube you flame it - ✔✔True
T/F when removing an inoculum you remove the lid and place it on the lab bench -
✔✔False
T/F when inoculating a broth, the loop may not touch the sides of the tube - ✔✔False
Ciguatera toxin is a naturally occurring toxin produced by the dinoflagellate -
✔✔Gambierdiscus tocixus
Katelyn Whitman, All Rights Reserved © 2025 1
, Heterocysts are responsible for ______ whereas akinetes are _______ - ✔✔Nitrogen
fixation
Reproductive structures
Algae belong to the kingdom: - ✔✔Plantae
The criss-cross pattern on Spirogyra are - ✔✔Chloroplasts
Diatoms and dinoflagellates are commonly found in - ✔✔Phytoplankton
The frustules of diatoms are composed of - ✔✔Silicon dioxide
T/F Euglena is photosynthetic - ✔✔True
Which of the following describes protozoal movement? - ✔✔Flagella
Cilia
Undulating membranes
Amoeboid motion
What is methylcellulose used for? - ✔✔It is used to make a ring around the Protozoa if
they're moving to fast to observe
Candida albicans is a yeast in the Phylum: - ✔✔Ascomycota
Saccharomyces cerevisae is commonly known as: - ✔✔Bakers yeast
Katelyn Whitman, All Rights Reserved © 2025 2
Questions and Answers 100% Pass
Resolution - ✔✔The ability of a lens system to distinguish as separate entities objects
that are very close together
Megnification - ✔✔Making a small object appear larger
Inoculum - ✔✔Sample being transferred
Inoculation - ✔✔Process from transferring a microbe from one medium to another
When using a test tube, you first remove the cap using the - ✔✔Last two fingers (pinkie
and ring finger)
T/F after opening the test tube you flame it - ✔✔True
T/F when removing an inoculum you remove the lid and place it on the lab bench -
✔✔False
T/F when inoculating a broth, the loop may not touch the sides of the tube - ✔✔False
Ciguatera toxin is a naturally occurring toxin produced by the dinoflagellate -
✔✔Gambierdiscus tocixus
Katelyn Whitman, All Rights Reserved © 2025 1
, Heterocysts are responsible for ______ whereas akinetes are _______ - ✔✔Nitrogen
fixation
Reproductive structures
Algae belong to the kingdom: - ✔✔Plantae
The criss-cross pattern on Spirogyra are - ✔✔Chloroplasts
Diatoms and dinoflagellates are commonly found in - ✔✔Phytoplankton
The frustules of diatoms are composed of - ✔✔Silicon dioxide
T/F Euglena is photosynthetic - ✔✔True
Which of the following describes protozoal movement? - ✔✔Flagella
Cilia
Undulating membranes
Amoeboid motion
What is methylcellulose used for? - ✔✔It is used to make a ring around the Protozoa if
they're moving to fast to observe
Candida albicans is a yeast in the Phylum: - ✔✔Ascomycota
Saccharomyces cerevisae is commonly known as: - ✔✔Bakers yeast
Katelyn Whitman, All Rights Reserved © 2025 2
