Review of Microscopes

What is the term used to describe the ability to distinguish between two objects in a microscope?

• Interference

• Resolution

• Refraction

• Magnification

Which type of microscope uses electron beams to visualize images?

• Scanning Electron Microscope (SEM)

• Transmission Electron Microscope (TEM)

• Phase-contrast microscope

• Brightfield light microscope

What is the function of the coarse focus knob on a microscope?

• Center the image

• Adjust the light level

• Move the stage up or down dramatically

• Fine-tune focus

What is the total magnification when using a high power objective lens and an eyepiece lens that magnifies 10 times?

• 400 times

• 40 times

• 1000 times

• 100 times

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

• Microfiber cloth

• Regular tissue

• Wet wipes

• Lens paper

What should be done before putting away the microscope?

• Remove the slide, leave the light on, and unplug the microscope

• Keep the slide on, turn off the light, and unplug the microscope

• Leave the slide on, turn off the light, and unplug the microscope

• Remove the slide, turn off the light, and unplug the microscope

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

• Aquatic plant cells responding to different salt concentrations

• Stomata from a thin sample underneath a leaf

• Bacteria

• Cross section of an onion root tip

What is the main purpose of using different stains or immersion oil with a microscope?

• To adjust the light level

• To clean the lens

• To increase magnification

• To increase resolution