Microbiology Lab: Written Exam 1 with
Solutions
Resolution Correct Ans-The ability of a lens system to distinguish as separate entities objects
that are very close together
Megnification Correct Ans-Making a small object appear larger
Inoculum Correct Ans-Sample being transferred
Inoculation Correct Ans-Process from transferring a microbe from one medium to another
When using a test tube, you first remove the cap using the Correct Ans-Last two fingers
(pinkie and ring finger)
T/F after opening the test tube you flame it Correct Ans-True
T/F when removing an inoculum you remove the lid and place it on the lab bench Correct
Ans-False
T/F when inoculating a broth, the loop may not touch the sides of the tube Correct Ans-False
, Ciguatera toxin is a naturally occurring toxin produced by the dinoflagellate Correct Ans-
Gambierdiscus tocixus
Heterocysts are responsible for ______ whereas akinetes are _______ Correct Ans-Nitrogen
fixation
Reproductive structures
Algae belong to the kingdom: Correct Ans-Plantae
The criss-cross pattern on Spirogyra are Correct Ans-Chloroplasts
Diatoms and dinoflagellates are commonly found in Correct Ans-Phytoplankton
The frustules of diatoms are composed of Correct Ans-Silicon dioxide
T/F Euglena is photosynthetic Correct Ans-True
Which of the following describes protozoal movement? Correct Ans-Flagella
Cilia
Undulating membranes
Amoeboid motion
Solutions
Resolution Correct Ans-The ability of a lens system to distinguish as separate entities objects
that are very close together
Megnification Correct Ans-Making a small object appear larger
Inoculum Correct Ans-Sample being transferred
Inoculation Correct Ans-Process from transferring a microbe from one medium to another
When using a test tube, you first remove the cap using the Correct Ans-Last two fingers
(pinkie and ring finger)
T/F after opening the test tube you flame it Correct Ans-True
T/F when removing an inoculum you remove the lid and place it on the lab bench Correct
Ans-False
T/F when inoculating a broth, the loop may not touch the sides of the tube Correct Ans-False
, Ciguatera toxin is a naturally occurring toxin produced by the dinoflagellate Correct Ans-
Gambierdiscus tocixus
Heterocysts are responsible for ______ whereas akinetes are _______ Correct Ans-Nitrogen
fixation
Reproductive structures
Algae belong to the kingdom: Correct Ans-Plantae
The criss-cross pattern on Spirogyra are Correct Ans-Chloroplasts
Diatoms and dinoflagellates are commonly found in Correct Ans-Phytoplankton
The frustules of diatoms are composed of Correct Ans-Silicon dioxide
T/F Euglena is photosynthetic Correct Ans-True
Which of the following describes protozoal movement? Correct Ans-Flagella
Cilia
Undulating membranes
Amoeboid motion
