Microscope Quiz

What term refers to the ability to distinguish between two objects in a microscope?

• Magnification

• Resolution

• Illumination

• Contrast

Which type of microscope uses electron beams to visualize images?

• Transmission Electron Microscope (TEM)

• Phase-contrast microscope

• Brightfield light microscope

• Scanning Electron Microscope (SEM)

What is the function of the diaphragm in a light microscope?

• To adjust the light level

• To focus the light on the specimen

• To rotate the objective lenses

• To magnify the image

What is the purpose of a wet mount in preparing a microscope slide?

• To visualize 3D surface

• To focus the image

• To avoid air bubbles

• To increase magnification

Which knob is used to move the stage up or down dramatically in a microscope?

• Coarse focus knob

• Objective lens

• Stage knobs

• Fine focus knob

What is the total magnification when using a scanning objective lens with an eyepiece lens that magnifies 10 times?

• 400 times

• 200 times

• 100 times

• 40 times

What should be used to clean the lens of a microscope?

• Lens paper

• Regular tissue

• Wet wipes

• Microfiber cloth

What should be done before putting away the microscope?

• Remove the slide

• Turn off the light

• Unplug the microscope

• All of the above

What can be visualized using a microscope to complement the study of mitosis?

• Bacteria

• Aquatic plant cells responding to different salt concentrations

• Cross section of an onion root tip

• Stomata from a thin sample underneath a leaf

What is the ideal type of microscope for visualizing the 3D surface of a specimen?

• Phase-contrast microscope

• Brightfield light microscope

• Scanning Electron Microscope (SEM)

• Transmission Electron Microscope (TEM)