Microscope and Cell Biology Quiz

What is the main purpose of the compound microscope?

• To observe stars and planets

• To magnify small objects using two or more lenses

• To measure the mass of an object

• To identify the color of substances

The eyepiece or ocular lens is the part you look through. What is its usual magnification?

• 4x

• 10x

• 40x

• 100x

Which part of the microscope contains lenses with different magnification powers such as 4x, 10x, 40x, and 100x?

• Objective lenses

• Stage

• Coarse adjustment knob

• Eyepiece

What part of the microscope holds the glass slide firmly in place while viewing?

• Stage clips

• Revolving nosepiece

• Fine adjustment knob

• Mirror

The stage of a microscope serves what function?

• It changes the magnification level.

• It is where the slide is placed for observation.

• It controls the light entering the lens.

• It moves the objective lenses up and down.

Which part of the microscope holds the objective lenses and allows you to rotate them to change magnification?

• Eyepiece

• Stage clips

• Revolving nosepiece

• Coarse adjustment knob

The coarse adjustment knob is used to ______.

• Make small, sharp adjustments to focus the image

• Move the stage up and down for rough focusing

• Change the magnification power

• Adjust the amount of light entering

When using high power, which part should you turn slowly to get a sharp and clear image?

• Coarse adjustment knob

• Revolving nosepiece

• Fine adjustment knob

• Stage clips

Which is the correct way to carry a microscope?

• Hold it by the eyepiece with one hand.

• Carry it with both hands — one on the arm and one supporting the base.

• Hold it by the stage clips to avoid shaking.

• Use only one hand to carry it from the top.

Before and after using the microscope, you should always ______.

• Shake it gently to remove dust

• Leave the slide on the stage

• Clean the lenses with lens paper and cover it with a dust cover

• Keep the eyepiece detached