Focusing A Specimen and It's Magnification
Quiz by Veloso Fam
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- Q1
To focus a specimen, it is best to start with which objective:
Ocular
Scanning
Low Power objective
High Power Objective
30s - Q2
When looking at letter “e” under the microscope, what is the position of the letter as seen under the microscope?
The “e” is positioned diagonally.
The position cannot be identified due to its enlarged magnification.
The letter “e” appears larger and inverted.
The position stays the same.
30s - Q3
The following statements describe how to focus a specimen under the compound microscope, EXCEPT:
Adjust the stage in order to find the center focus of the specimen.
Use the fine adjustment knob to bring the specimen into focus.
Aim the mirror at your light source.
Move the coarse adjustment knob towards you only.
30s - Q4
A plant cell is viewed using a 10x eyepiece magnification and 43x HPO. How many times will it be magnified?
43 times
143 times
430 times
10 times
30s - Q5
An animal cell being observed is seen at the topmost part of the field of view under the Low Power Objective (LPO). If you want to position the specimen at the center, which direction should you move the slide?
Move to the right side of the user
Downward or towards me or the user
Move to the left side of the user
Forward or away from me or the user
30s - Q6
To obtain total magnification, you should ______ the magnification of the eyepiece to the objective lens power.
Divide
Multiply
Substract
Add
30s - Q7
What two parts do you place your hands while carrying a microscope?
Arm and Ocular
Base and Nosepiece
Arm and Base
Base and High-Power Objective
30s - Q8
If the eyepiece magnification on light microscope is 10x and the objective is 40x, what is the overall magnification?
400x
4x
40x
10x
30s - Q9
Which of the following is NOT a proper method for handling microscopes?
Always use fine adjustment when using high power.
Remove the slide before putting the microscope away.
Carry the microscope with one hand.
Never clean the objectives with anything but lens paper.
30s - Q10
Julia was observing an onion cell under the High Power Objective (HPO) and she noticed that it moved upward and then it moved to the right. What does this tells Julia about the actual movement of the specimen?
The specimen moved downward and to the right.
The specimen moved upward and to the right.
The specimen actually moved downward and to the left.
The specimen moved upward and to the left.
30s