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WorksheetsMicroscopy
Total questions: 20
Worksheet time: 10mins
What is this part of the microscope called?
(a)
Which microscope part is used for initial focusing and controls the distance between the specimen and the objectives
(a)
What would be the TOTAL magnification when using a high power objective?
(a)
What special solution is added to the 100X objective lens?
(a)
In storing the microscope, which of the following objectives should be placed at the center?
Low power objective
Scanner
Either
Neither
When the objective with the magnification of 10X is in position (at the center), the coarse adjustment knob can still be used/ moved
True
False
An adjustment knob that lets you compensate for focal differences between your two eyes (use the term in the lab manual)
(a)
An oil immersion objective lens has a magnification of
10x
40x
100x
1000x
What chemical reagent can be used in cleaning the mechanical stage contaminated with oil?
(a)
The following may be the cause of no illumination after switching on the microscope, except:
The objective is not locked into position
directly over specimen
The lamp has deteriorated
The microscope is not plugged into an electrical outlet
The iris diaphragm is close
None of the mentioned choices
What is the color code of a 40X objective lens?
(a)
In computing for the total magnification of a scanning objective lens, 4x is multiplied to 10x, from which lens did that 10x come from? (one word answer only)
(a)
What do you call to this part of the microscope?
(a)
What is the color code of the low power objective?
(a)
The part of the microscope that holds the lens system, stage, and light source components together. (One word answer only)
(a)
Which of the following controls/adjustment knobs should never be used when the Oil immersion objective is already in placed?
Coarse adjustment knob
Stage adjustment knob
Iris diaphragm control
All of the above
None of the above
What should be the position of the slide when placing in the mechanical stage?
Specimen side down
Specimen side up
Either
What is the term which means when the specimen is in focus using
one objective, it is also already in focus when switching to another objective. (One-word answer)
(a)
What do you call the part of the microscope that regulates the light intensity from the light source?
(a)
If the specimen appears hazy and foggy with a lack of detail, what can be the remedy?
Install new lamp
Open the aperture of the iris diaphragm
Increase light intensity
Clean ocular lens
