MICROBIOLOGY LAB QUIZ #1 COMPLETE
QUESTIONS AND CORRECT ANSWERS | GRADED
AND THE LATEST SERIES
ocular lens
Ans: demagnifies the image formed by the objective lens
Question: body tube
Ans: transmits the image from the objective lens to the ocular lens
Question: objective lenses
Ans: primary lenses that magnify the specimen
Question: mechanical stage
Ans: holds the microscope slide
Question: condenser
Ans: focuses light through specimen
Question: diaphragm
Ans: controls the amount of light entering the condenser
Question: illuminator
, 2025-2026 SERIES
Ans: light source
Question: fine focusing knob
Ans: used for focusing the specimen; turning the know changes the distance
between the objective lens and the specimen
Question: microscope
Ans:
Question: Nutrient Broth
Ans: When agar is added it becomes a solid medium
Question: Agar
Ans: extract from marine red algae, has some unique properties that make it
useful in culture media, few microbes can degrade it and it remains solid
Question: Steam sterilization/autoclaving
Ans: common method of sterilization which uses steam under pressure
Question: Petri Plates
Ans: containing solid media provide a large surface area for examination of
colonies
Question: inoculated