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PORTAGE MICROBIOLOGY EXAM #3 2025 QUESTIONS AND ANSWERS

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What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece? (short answer) - ANS 60 x 10 = 600x magnification True or False: A cell that is adherent, flat, and unstained is easily identified using bright field microscopy - ANS False. Adherent, flat cells are almost invisible due to the limits on both resolution and contrast Which of the following could be seen clearly by the unaided eye? (multiple choice) - ANS Protozoa with diameter of 150um and skin cell with diameter of 1500 um (have to be greater than 100um Label the following unmarked microscope components by matching it with the components provided - ANS 1. Eyepiece 2. Neck 3. Fine adjustment knob 4. Objective 5. Stage 6. Base

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PORTAGE MICROBIOLOGY EXAM #3
2025 QUESTIONS AND ANSWERS

What is the total magnification of a sample imaged with a 60x objective and a 10x eyepiece?
(short answer) - ANS 60 x 10 = 600x magnification

True or False: A cell that is adherent, flat, and unstained is easily identified using bright field
microscopy - ANS False. Adherent, flat cells are almost invisible due to the limits on both
resolution and contrast

Which of the following could be seen clearly by the unaided eye? (multiple choice) -
ANS Protozoa with diameter of 150um and skin cell with diameter of 1500 um (have to be
greater than 100um

Label the following unmarked microscope components by matching it with the components
provided - ANS 1. Eyepiece
2. Neck
3. Fine adjustment knob
4. Objective
5. Stage
6. Base
1
Page

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Course: MICROBIOLOGY

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Uploaded on: September 10, 2025
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Written in: 2025/2026
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portage microbiology exam 3 2025 questions and an

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PORTAGE MICROBIOLOGY EXAM #3 2025 QUESTIONS AND ANSWERS

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