SERIES MICROBIOLOGY LAB: WRITTEN EXAM 1 COMPLETE QUESTIONS AND CORRECT ANSWERS | GRADED AND THE LATEST SERIES

2025-2026 SERIES
MICROBIOLOGY LAB: WRITTEN EXAM 1 COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
Resolution


Ans: The ability of a lens system to distinguish as separate entities objects that
are very close together


Question: Megnification


Ans: Making a small object appear larger


Question: Inoculum


Ans: Sample being transferred


Question: Inoculation


Ans: Process from transferring a microbe from one medium to another


Question: When using a test tube, you first remove the cap using the


Ans: Last two fingers (pinkie and ring finger)


Question: T/F after opening the test tube you flame it


Ans: True


Question: T/F when removing an inoculum you remove the lid and place it on

the lab bench

, 2025-2026 SERIES
Ans: False


Question: T/F when inoculating a broth, the loop may not touch the sides of the

tube


Ans: False


Question: Ciguatera toxin is a naturally occurring toxin produced by the

dinoflagellate


Ans: Gambierdiscus tocixus


Question: Heterocysts are responsible for ______ whereas akinetes are

_______


Ans: Nitrogen fixation
Reproductive structures


Question: Algae belong to the kingdom:


Ans: Plantae


Question: The criss-cross pattern on Spirogyra are


Ans: Chloroplasts


Question: Diatoms and dinoflagellates are commonly found in