Microscopy and Observation Techniques Quiz

What is a limitation of a light microscope compared to an electron microscope?

• It has high magnification

• It has low resolution

• It does not need a light source

• It is very large

What should be checked before using a microscope?

• The microscope is on high power

• The shortest objective lens is in line with the stage

• The microscope is turned off

• The microscope is in a dark room

What is the purpose of examining insects next to a measurement scale?

• To change their color

• To determine their size

• To make them invisible

• To increase their speed

What should be done to the objective lens before using a microscope?

• Clean it with water

• Align it with the stage

• Remove it from the microscope

• Paint it black

How do you calculate the total magnification of a microscope?

• Add the power of the eyepiece and objective lens

• Multiply the power of the eyepiece by the power of the objective lens

• Subtract the power of the objective lens from the eyepiece

• Divide the power of the eyepiece by the objective lens

What is a stage micrometer used for?

• To measure the thickness of the slide

• To calibrate the microscope

• To adjust the light intensity

• To change the magnification

What is the equivalent of each small division in micrometers (µm)?

• 10 µm

• 100 µm

• 50 µm

• 1 µm

How many divisions are counted in the example provided for calibration?

• Two divisions

• Three divisions

• Four divisions

• Five divisions

What is a disadvantage of light microscopy compared to electron microscopy?

• Cannot observe living specimens.

• Lower magnification.

• More expensive.

• Smaller field of view.

What is the purpose of placing a piece of filter paper over the slide after preparation?

• To add more stain.

• To remove excess water and stain.

• To increase magnification.

• To flatten the specimen.