Portage Microbiology Exam #3
Questions And Correct
Answers
, What is the total magnification of a sample imaged with a 60x
objective and a 10x eyepiece? (short answer) - ANSWER ✔✔60 x
10 = 600x magnification
True or False: A cell that is adherent, flat, and unstained is easily
identified using bright field microscopy - ANSWER ✔✔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) - ANSWER ✔✔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 - ANSWER ✔✔1.
Eyepiece
2. Neck
3. Fine adjustment knob
4. Objective
5. Stage
6. Base
Questions And Correct
Answers
, What is the total magnification of a sample imaged with a 60x
objective and a 10x eyepiece? (short answer) - ANSWER ✔✔60 x
10 = 600x magnification
True or False: A cell that is adherent, flat, and unstained is easily
identified using bright field microscopy - ANSWER ✔✔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) - ANSWER ✔✔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 - ANSWER ✔✔1.
Eyepiece
2. Neck
3. Fine adjustment knob
4. Objective
5. Stage
6. Base
