Microscope Function and Usage Quiz

What is the function of the eyepiece in a microscope?

• To hold the specimen

• To magnify the image

• To adjust the focus

• To provide illumination

Which part of the microscope is used to adjust the amount of light?

• Fine adjustment knob

• Diaphragm

• Coarse adjustment knob

• Base

What part of the microscope holds the slide in place?

• Stage clips

• Eyepiece

• Objective lenses

• Revolving nosepiece

What is the function of the objective lenses?

• To hold the slide

• To adjust the focus

• To magnify the specimen

• To control the light

Why is the microscope's coarse adjustment knob used only with low power?

• It provides better lighting at high power.

• It moves the stage too quickly and may damage the slide under high power.

• It changes the lens magnification.

• It is used to fine-tune the image.

Why is it important to start with the low-power objective when viewing a specimen under the microscope?

• To easily locate the specimen

• To use less light

• To prevent the specimen from drying out

• To avoid breaking the slide

How does increasing the magnification affect the field of view?

• It increases the field of view.

• It decreases the field of view.

• It keeps the field of view the same.

• It improves the clarity of the image.

Which knob would you use to fine-tune the focus of your specimen under high power?

• Coarse adjustment knob

• Fine adjustment knob

• Stage control

• Diaphragm

If you are having trouble seeing a clear image, what is the first thing you should do?

• Switch to the high-power objective.

• Clean the lenses.

• Adjust the diaphragm for better lighting.

• Adjust the fine adjustment knob.

If you want to view bacteria, which magnification objective would be most appropriate to start with?

• 4x

• 10x

• 40x

• 100x