Microscope Quiz

On high power, the total magnification means the specimen you are looking at is ______ times __________ (bigger/smaller) than it actually is.

• 10, smaller

• 100, bigger

• 50, smaller

• 100, smaller

When focusing a specimen, you should always start with the __________ objective.

• High

• Medium

• Low

• Ultra

What part adjusts the amount of light that passes through a specimen?

• Objective lens

• Diaphragm

• Eyepiece

• Stage

When using the 40x objective, which focus knob should be used?

• Coarse

• Fine

• Medium

• High

The objectives are attached to this rotating piece.

• Stage

• Arm

• Nosepiece

• Base

What part holds the ocular lens in a microscope?

• Stage

• Arm

• Eyepiece

• Base

What is the magnification of the low power objective lens if the ocular lens is 10x?

• 40x

• 10x

• 100x

• 4x

Which part of the microscope is used to adjust the focus on high power?

• Coarse adjustment knob

• Fine adjustment knob

• Diaphragm

• Stage

Bob noticed something was different about the image in the microscope. What two things are happening to the image?

• It is upside down and blurry

• It is magnified and inverted

• It is colorful and clear

• It is smaller and darker

What is the part of the microscope labeled as number 2?

• Objectives

• Fine adjustment

• Nosepiece

• Diaphragm