Microscope Quiz
Name
Date
Hour
1. What is the total magnification produced by a microscope, using a 10X ocular lens and a 10X objective lens?
10X
20X
100X
1000X
2. Which of the following describes proper microscope care and technique.
Be sure to carry the microscope upright, with one hand on the arm and the other under the base.
To protect the optics of the microscope, place it down gently and don't drag it across the tabletop.
Always begin focusing with the lowest power lens available.
Only use the coarse focus knob with the scanning and low power lenses.
All the above are examples of correct microscope care and technique.
3. Turning which of the following knobs moves the objective lenses the greatest vertical distance?
coarse focus knob
fine focus knob
4. Which objective lens is the longest?
Low power lens
Mid power lens
high power lens
5. Which of the following regulates the amount of light passing through the slide specimen on the microscope stage?
nosepiece
objective lens
diaphragm
fine focus knob
6. An increase in magnification causes
a decrease in the field of view.
an increase in field of view
7. The greatest magnification the light microscopes we use can reach is
100 X
400 X
8. Why must a small object seen through the ocular lens be centered in the field of view, before changing to a higher power
objective lens?
to prevent damage to the objective lens
to compensate for the decrease in resolving power of the lens
to prevent its disappearance due to the decrease in the field of view
to prevent eyestrain
9. One meter equals
100 cm.
1000 mm.
1,000,000 micrometers.
All of the above.
10. If you prepare a wet mount slide and observe a large empty circle with dark edges, you are most likely seeing an air bubble.
true
false
11. When the letter e slide is viewed with the microscope, it appears
right side up.
right side up and backwards.
upside down.
upside down and backwards.
12. A wet mount is
a freshly prepared slide.
a horse left out in the rain.
Correctly label the following microscope using the following word bank.
Fine Focus
Arm
Diaphragm
Nose
Ocular Tube
Stage Clips
Stage
High Power Objective Low Power Objective
Med Power Objective
Light Source
Course Focus Base
Eye Piece