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WorksheetsBehold these microscopes
Total questions: 10
Worksheet time: 6mins
It describes the capacity of a microscope to enlarge an image.
Magnification
Resolution
Contrast
Which of the following techniques is crucial for enhancing the contrast of the specimen image under a microscope?
Extending the eyepiece outward
Staining
Changing the objective lens
This type of microscope makes the specimen appears dark against a bright viewer field of the microscope.
Brightfield
Darkfield
Compound
This type of microscope is based on the principle that differences in refractive indices and light waves passing through transparent objects assume different phases such as light travelling through water.
Phase contrast
Differential interference contrast
Confocal
If you want to examine the internal details of a microorganism, which microscope is most suitable to use?
Brightfield
Darkfield
Phase contrast
This microscope works by detecting visible light emitted by materials/specimens when they are exposed to high intensity light of a specific wavelength.
Fluorescence
Confocal
Electron
Which of the following is a disadvantage of using an electron microscope?
Low contrast due to monochromatic images
Unable to see the finest details of a specimen.
It requires visible light
Which part of the microscope holds the specimen in place?
Rotating nosepiece
Stage
Base
To adjust the contrast of a specimen viewed under the microscope, which part should you adjust?
Eyepiece
Objective lens
Mechanical stage
Diaphragm
If you are using a compound microscope with a total magnification of 400x, which objective lens are you using?
Scanning
Low power
High power
Oil immersion
