Microbiology Lab Exam #1 Study
Guide Questions and Answers 100%
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The total magnification of the oil immersion objective is: - ✔✔1000
Ocular/Eyepiece - ✔✔Binocular microscopes have two. They magnify the
image tenfold.
Body - ✔✔It contains mirrors that bend the light into the ocular.
Nosepiece - ✔✔Where the objectives are attached to.
Objectives - ✔✔Contains lenses that magnify the image. A microscope has
4x, 10x, 40x and 100x
Arm - ✔✔It supports the nosepiece, holds on/off toggle and focus
adjustment knobs.
1
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, Stage/Mechanical stage - ✔✔The black, flat platform on which your slide
rests. Its the silver apparatus that actually holds the slide and moves the
slide to position it on the stage.
Stage Adjustment knobs - ✔✔These move the the mechanical stage
Light Intensity Control - ✔✔This knob increases or decreases light output
from the light source.
Substage condenser - ✔✔It is made of at least two lenses that focus the light
passing through the specimen and improve image sharpness.
Aperture diaphragm control - ✔✔Controls the amount of light entering the
substage condenser from the light source.
Field diaphragm lever - ✔✔It opens and closes to increase and decrease
light from the light source. It should remain open
Light source - ✔✔The illuminator is a halogen bulb that produces light.
Base - ✔✔It holds the illuminator and supports the rest of the microscope.
2
100% Pass Guarantee Katelyn Whitman, All Rights
Guide Questions and Answers 100%
pass
The total magnification of the oil immersion objective is: - ✔✔1000
Ocular/Eyepiece - ✔✔Binocular microscopes have two. They magnify the
image tenfold.
Body - ✔✔It contains mirrors that bend the light into the ocular.
Nosepiece - ✔✔Where the objectives are attached to.
Objectives - ✔✔Contains lenses that magnify the image. A microscope has
4x, 10x, 40x and 100x
Arm - ✔✔It supports the nosepiece, holds on/off toggle and focus
adjustment knobs.
1
100% Pass Guarantee Katelyn Whitman, All Rights
, Stage/Mechanical stage - ✔✔The black, flat platform on which your slide
rests. Its the silver apparatus that actually holds the slide and moves the
slide to position it on the stage.
Stage Adjustment knobs - ✔✔These move the the mechanical stage
Light Intensity Control - ✔✔This knob increases or decreases light output
from the light source.
Substage condenser - ✔✔It is made of at least two lenses that focus the light
passing through the specimen and improve image sharpness.
Aperture diaphragm control - ✔✔Controls the amount of light entering the
substage condenser from the light source.
Field diaphragm lever - ✔✔It opens and closes to increase and decrease
light from the light source. It should remain open
Light source - ✔✔The illuminator is a halogen bulb that produces light.
Base - ✔✔It holds the illuminator and supports the rest of the microscope.
2
100% Pass Guarantee Katelyn Whitman, All Rights
