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- 1. Multiple Choice
What is used to fine focus the image when viewing at the higher magnifications?
coarse adjustment knob
fine adjustment knob
stage
objectives
- 2. Multiple Choice
The ability to distinguish between objects is the...
Magnification
Resolution
Measurement
Detail
- 3. Multiple Choice
To calculate magnification...
size of image / size of real object
size of real object / size of image
size of image x size of real object
- 4. Multiple Choice
Which type of microscope has the better resolution?
Light microscope
Electron micrscope
- 5. Multiple Choice
If you want to see very small organelles such as ribosomes you need to use a...
Electron microscope
Light microscope
- 6. Multiple Choice
If the eyepiece has a magnification of 10 and you use the objective lens with a magnification of 40, the total magnification would be...
x 140
x 40
x 400
x 4
- 7. Multiple Choice
To calculate magnification we use......image size x actual sizeimage size ÷ actual sizeactual size ÷ image size - 8. Multiple ChoiceIf a bacteria image measures 450 mm and the magnification is 15,000x, what is the actual size of the bacteria?30 µm0.3 µm300 µm3,000 µm
- 9. Multiple Choice
Serena measured the image of one of the bacterial cells to be 32 mm. If the magnification of the image is 8,000X, what is the actual size of the bacterial cell?
4 μm
0.004 μm
256,000 μm
0.25 μm
- 10. Multiple ChoiceIf each division is 100 µm, what is the size of this organism?4 µm400 µm4,000 µm400 mm
- 11. Multiple ChoiceThe higher the magnification, the ________ you see of the specimen.morelesshigherlower
- 12. Multiple ChoiceHow many microns (µm)
= 1 mm?1,0001,000,00010,000100,000 - 13. Multiple ChoiceFind the total magnification:
Eyepiece = 10X
Objective lens = 55X10x55x65x550x - 14. Multiple Choice
What will the letter P look like if viewed with a compound light microscope?
d
b
P
9
- 15. Multiple ChoiceWhat is one way in which all living things on Earth are alike?All living things have hair.All living things are made of cells and come from other cells.The cells of all living things have chloroplast.All living things can move.
- 16. Multiple ChoiceThe combined observations of Mattias Schleiden, Theodor Schwann and Rudolph Virchow resulted in the formation of the cell theory. Which of the following is not part of the cell theory?All cells contain a nucleus.All cells come from other living cells.All living organisms are made of one or more cellsCells are the basic unit of structure and function of all living things.
- 17. Multiple Choice
Are viruses classified as living things?
Yes
No
- 18. Multiple Choice
What reason do scientists give for saying that viruses are not living organisms?
they cannot reproduce without the aid of a host
they do not metabolize food into energy
they do not have organized cells
all of the above
none of the above
- 19. Multiple ChoiceThe type of reasoning where a person makes conclusions based on observations and patterns is called...Inductive reasoningDeductive reasoningConjectureExperiments
- 20. Multiple ChoiceWhere can you find ribosomes?only in prokaryotic cellsonly in plant cellsonly in eukaryotic cellsin both prokaryotic and eukaryotic cells
- 21. Multiple Choice
What moves the stage up and down?
diaphragm
coarse adjustment knob
fine adjustment knob
objectives
- 22. Multiple Choice
True or False: As you increase magnification, you will be able to see more of the object that you are looking at.
True
False
- 23. Multiple Choice
The type of microscope that we use in class is called
an electron microscope
a compound light microscope
a scanning microscope
a toy microscope
- 24. Multiple Choice
The word resolution describes:
how big an image is
how clear an image is
- 25. Multiple Choice
Placing an object on a slide, putting three drops of water, and a coverslip on it to be observed under a microscope.
Compound Microscope
power
Wet Mount Slide
magnification
- 26. Multiple ChoiceAn _______________ sends a beam of electrons over the surface of a specimen resulting in a 3-dimensional image of the specimen's surface.compound microscopeelectron microscopemicroscopetelescope
- 27. Multiple Choice
A method of preparing electron microscopy called ________________________ splits the membrane along the middle of the phospholipid bilayer
Freeze Frame
Freeze Fracture
Fracture Freeze
Crystallography
- 28. Multiple Choice
If each division is 100 µm (1 mm), what is the length of this organism?
4 µm
400 µm
4,000 µm
400 mm
- 29. Multiple Choice
Betsy calculated the field of view to be 400 μm. What is the estimated width of the organisms body?
500 μm
400 μm
200 μm
100 μm
- 30. Multiple Choice
Doris observed that 8 Smallus Bugus' fit across the field of view, which was calculated to be 1,600 μm. What is the size of one Smallus Bugus?
8 μm
1,600 μm
200 μm
12,800 μm
- 31. Multiple ChoiceThe ________ of the microscope would show you the SMALLEST field of view.low power objectivemedium power objectivehigh power objectiveocular
- 32. Multiple Choice
Bob calculated the field of view with an objective of 10x to be 2,000 μm. What would the estimated size of Green Goblin bacteria be when the objective was at 100x?
200 μm
50 μm
100 μm
1,000 μm
- 33. Multiple Choice
Here are the settings on a microscope:
Low Power Objective Lens: 4x
Medium Power Objective Lens: 20x
This image shows the field of view under low power with each bar representing the mm line on a ruler.
Calculate the field of view that would appear on medium power.
800 μm
600 μm
900 μm
400 μm
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