Biology Quiz for Lab 2 (Cells and Microscope)

Question 1: At high power using the microscopes from biology lab

[] (a) An image is reversed
[] (b) An image is magnified by 440 X
[] (c) The ocular lens is 10X
[] (d) both a and c above are true
[] (e) a, b, and c above are all true

Question 2: The following image is that of:

[] (a) Cheek epithelium
[] (b) Elodea leaf epidermis
[] (c) Onion bulb epidermis
What cell ?

Question 3: In the image shown with question 2 above, which one of the following structures is visible?

[] (a) Chloroplasts
[] (b) Cell Walls
[] (c) Mitochondria
[] (d) Starch Grains

Question 4: The image below is that of :

[] (a) Cheek epithelium
[] (b) Elodea leaf epidermis
[] (c) Onion epidermal cells
cell?

Question 5: In the image shown with question 4 above, which of the following structures are visible?

[] (a) Cell Walls
[] (b) Chloroplasts
[] (c) Nuclei
[] (d) Vacuoles

Question 6: Viewed with a compound microscope, the letter e would appear similar to :

[] e [] e
[] e [] e

Question 7: Of the following, which is listed as a sequence in order of decreasing size ( large to small)? 1. Central vacuole 2. Chloroplast 3. Mitochondrion 4. Nucleus 5. Nucleolus

[] (a) 1 - 2 - 3 - 4 - 5
[] (b) 1 - 4 - 2 - 5 - 1
[] (c) 4 - 2 - 1 - 5 - 3
[] (d) 4 - 2 - 1 - 3 - 5
[] (e) 2 - 4 - 1 - 5 - 3

Question 8: Of the following, which one was observed in onion bulb epidermal cells but not in your cheek epithelial cells?

[] Central Vacuole
[] Chloroplast
[] Nucleus
[] Nucleolus

Question 9: The cell you wish to view is in the upper, left of a microscope's field of view. To center the image in the microscope's field of view you need to move the microscope slide:

[] (a) up (away from you) and to your left
[] (b) up (away from you) and to your right
[] (c) down (towards you) and to your left
[] (d) down (towards you) and to your right

Question 10: Assume the ruler shown below the cell image is 1 millimeter long. The length of the longest cell in the image is approximately ____________ µm:

[] (a) 2 µm
[] (b) 20 µm
[] (c) 200 µm
[] (d) 2000 µm
e
ruler 1 mm rule
Name :

E-mail :



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Prepared by: Dr John Oyston, March 14, 1997.