1. What is the magnification of the onion cells under high power objective?
What is the magnification of the onion cells under high power objective?
a. 600x
b. 500x
C. 400x
2. How will you describe the onion cells under the low power objective?
a. The magnification is 60x.
C. The magnification is 40x.
b. The magnification is 50x.
d. The magnification is 30x.
CHEEK CELLS
3. What is the shape of the cheek cells under the low power?
a. Irregularly shaped cells with distinct cell membranes.
b. It has compartments with lining.
It has round shape of cells
d. It has compressed cells.
LOW POWIE
4. What is the proper way of handling the microscope?
a. Handle it with the tube and stage.
b. Handle it with the eyepiece and base.
C. Carry it by the objectives and arm with both hands.
d. Carry it from the base and support arm with both hands.
5. Why do you need to adjust the diaphragm and the mirror while looking into the eyepiece?
a. To see a bright white circle of light.
c. To adjust the specimen.
b. For the light to pass through.
d. To focus the image.
What is the magnification of the onion cells under high power objective?
a. 600x
b. 500x
C. 400x
2. How will you describe the onion cells under the low power objective?
a. The magnification is 60x.
C. The magnification is 40x.
b. The magnification is 50x.
d. The magnification is 30x.
CHEEK CELLS
3. What is the shape of the cheek cells under the low power?
a. Irregularly shaped cells with distinct cell membranes.
b. It has compartments with lining.
It has round shape of cells
d. It has compressed cells.
LOW POWIE
4. What is the proper way of handling the microscope?
a. Handle it with the tube and stage.
b. Handle it with the eyepiece and base.
C. Carry it by the objectives and arm with both hands.
d. Carry it from the base and support arm with both hands.
5. Why do you need to adjust the diaphragm and the mirror while looking into the eyepiece?
a. To see a bright white circle of light.
c. To adjust the specimen.
b. For the light to pass through.
d. To focus the image.
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Answers & Comments
Answer:
1.C
2.C
3.A
4.D
5.A
Explanation:
1.At 400x magnification you will be able to see bacteria, blood cells and protozoans swimming around.
2.Place the slide under 40x magnifying lens and observe the onion cells. *note: Be careful, when focusing the microscope, not to break the glass slide with the microscope lens.
3.Large irregularly shaped cells with distinct cell membranes. A distinct nucleus at the central part of each individual cell (dark blue in color).
4.Hold the microscope with one hand around the arm of the device, and the other hand under the base. This is the most secure way to hold and walk with the microscope. Avoid touching the lenses of the microscope. The oil and dirt on your fingers can scratch the glass.
5.Many microscopes have a rotating disk under the stage. This diaphragm has different sized holes and is used to vary the intensity and size of the cone of light that is projected upward into the slide. There is no set rule regarding which setting to use for a particular power.
Hope it helps:)