Microscopes and Cells

Front

What is total magnification in a microscope?

Back

Total magnification is calculated by multiplying the eyepiece magnification by the objective lens magnification. For example, if the eyepiece is 20X and the objective lens is 20X, the total magnification is 400X.

Front

Where should you collect a sample for a temporary mount of a human cheek cell?

Back

The sample should be collected from the inner side of the cheek using a toothpick.

Front

What holds the microscope slide in place?

Back

Stage Clips hold the microscope slide in place.

Front

What is the function of the Fine Adjustment Knob on a microscope?

Back

The Fine Adjustment Knob is used to focus the image under low and high power.

Front

What is the purpose of the eyepiece in a microscope?

Back

The eyepiece, or ocular lens, is the lens you look through to see the magnified image of the specimen.

Front

What is the role of the objective lens in a microscope?

Back

The objective lens is responsible for further magnifying the image of the specimen.

Front

What is the function of the diaphragm in a microscope?

Back

The diaphragm controls the amount of light that reaches the specimen.

Front

What is the purpose of the stage in a microscope?

Back

The stage is the platform where the microscope slide is placed for observation.

Front

What is the difference between coarse and fine adjustment knobs?

Back

The coarse adjustment knob is used for initial focusing, while the fine adjustment knob is used for precise focusing.

Front

What is the function of the base of a microscope?

Back

The base provides stability and support for the microscope.