1. When using the fine adjustment knob on the compound microscope, which
objective lens is locked into viewing position?
A. eyepiece objective C. revolving nosepiece
B. high power objective D. coarse adjustment knob
2. You have used the compound microscope to view a slide of the letter “e” with the
10x eyepiece and the 10x objective. What was the total magnification of the letter
“e” ?
A. 50x B. 100x C. 140x D. 400x
3. If the total magnification is 400x and had an eyepiece of 10x, what is the objective
magnification?
A. 4x B. 10x C. 40x D. 400x
4. An animal cell is viewed using a 10x eyepiece and a 45x HPO. How much will the
cell be magnified?
A. 10x B. 45x C. 145x D. 450x
5. When using the course adjustment knob on the compound microscope, which
objective lens is locked into viewing position?
A. eyepiece objective C. revolving nosepiece
B. low power objective D. fine adjustment knob
6. Which of the following statements DOES NOT describe how to focus a specimen
under the compound Microscope?
A. Aim the mirror at your light source.
B. Use the fine adjustment knob to bring the specimen into focus.
C. Adjust the diaphragm in order to find the center focus of the specimen.
D. Slowly move the coarse adjustment knob towards you until the specimen
becomes visible.