1. Which two parts of the light microscope magnify the image of a specimen?
A. eyepiece and mirror
C. eyepiece and objectives
B. objectives and mirror
D objectives and diaphragm
2. In switching the objective of the compound microscope, which of the following should be manipulated?
A. adjustment knob
C. stage clips
B. diaphragm
D. revolving noseplece
3. John views the specimen through the eyepiece marked 10x. He opens 1
to allow light to pass through
and be reflected by the mirror to the specimen. He scans the specimen with the scanner objective
marked 5x, and moves the body tube up and down using 2
After focusing, he rotates the revolving
nosepiece containing the objective lenses 10x and 40x. He stops at the 3_to magnify the image 100%,
he further focuses the specimen by adjusting the 4
1. eyepiece
5. high power objective
2. revolving nosepiece 6. low power objective
3. diaphragm
7. coarse adjustment
4. mirror
8. fine adjustment
A 1,8, 3,2
B. 3, 7, 6, 8
C.3, 2, 6,8
D. 4,2 5,8
4. When observing specimens under the microscope, it is advisable to use first the low power objective.
What is the advantage of this technique?
A. Fewer organisms will be seen at one time
B. The greater area of the specimen can be seen
C. The field of view is narrower
D. Smaller organisms can be seen.
5. Which part of the microscope would you use if you want to view the specimen from one objective to
another
A. arm B. coarse adjustment C. draw tube D. revolving nosepiece
6. How does the position of a specimen appear under the microscope?
A. upright B. the same
C. reversed
D. inverted
7. Which part of the microscope will you use if you want a clearer view under LPO?
A. arm
B. draw tube C. coarse adjustment D. revolving nose piece
8. Detailed structure of the specimen is best observed using
A high power objective
C. low power objective
B. oil immersion objective
D. scanning objective
9. A cell was magnified 450 x, if the eyepiece is marked 10x, what is the magnifying power
of the objective used?
A. 15X
B. 30x C. 45x
D. 60x
10. How will the image be observed under a compound microscope as you move the
specimen to a particular direction (example away from you)?
A It goes with the direction where it is moved. C. It goes to the opposite direction
B. It goes upward or downward
D. It goes sideward​