Microscope CA 2023-24

Which of the following can be used to adjust the amount of light passing through the specimen?

• B

• H

• I

• J

What would the total magnification be when viewing a specimen under the microscope as shown in the diagram?

• 4x

• 40x

• 100x

• 400x

Which of the following would be used to help focus the image of the specimen?

• A & E

• H & K

• I & J

• G & D

When switching from low to high power the diameter of the field of view

• increases

• decreases

• stays the same

Which diagram represents where the cell should be located under low power to be sure the entire cell will be visible after switching to high power?

• A

• B

• C

• D

A student prepares a slide of the letter "f." Sketch what the image would look like when viewed under the microscope.

Which of the following procedures was performed to make the cells more visible as shown in View B?

• magnification

• staining

• adjusting the light

• focusing

The most common reason for staining a specimen being observed under the compound light microscope is to

• make the specimen more visible

• determine the effects of chemicals on a specimen

• make the cells more colorful

• keep the organism from moving around

Which of the following diagrams shows the LARGEST single-celled organism?

• A

• B

• C

• D

A clear plastic ruler is placed across the field of view (FOV) under the compound light microscope. A row of cells can be seen under medium power. What is the approximate size of a single cell (in μm)?

• 10 μm

• 100 μm

• 200 μm

• 2000 μm