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Lab 1 - Introduction
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| 1. |
Identify this piece of equipment. |
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A. |
beaker |
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B. |
Erlenmeyer Flask |
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C. |
graduated cylinder |
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D. |
pipette |
| 2. |
Change 2.34 Liters to milliliters (ml). |
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A. |
2,340 ml |
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B. |
.00234 ml |
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C. |
234,000 ml |
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D. |
.234 ml |
| 3. |
How many grams of glucose are in 100 ml of a 50% glucose solution? |
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A. |
5 g |
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B. |
10 g |
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C. |
50 g |
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D. |
100 g |
| 4. |
The average Calhoun male student is approximately ______ tall. |
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A. |
100 cm |
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B. |
100 mm |
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C. |
2 m |
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D. |
200 m |
| 5. |
An "educated guess" in the scientific method is called a(an) _______. |
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A. |
problem statement |
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B. |
hypothesis |
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C. |
data analysis |
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D. |
graphing |
| 6. |
The current temperature of this room is closest to ______ degrees Celsius. |
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A. |
75 |
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B. |
80 |
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C. |
25 |
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D. |
0 |
| 7. |
Which of the following is TRUE for reading the amount of liquid in a graduated cylinder? |
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A. |
read from the bottom of the meniscus |
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B. |
read from the top of the meniscus |
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C. |
read from the middle of meniscus |
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D. |
average of ABC |
| 8. |
Examine the graphs before you on the desk and tell which is the correct graph of the data. |
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A. |
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Review Dependent and Independent Variables |
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B. |
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and their proper placement on a graph. |
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C. |
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D. |
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| 9. |
Which of the following is NOT one of the uses of a dissecting microscope? |
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A. |
observe some living organisms |
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B. |
observe objects too large for regular microscope - too small for naked eye |
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C. |
observe bacterial cells at high magnification |
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D. |
all of the above |
| 10. |
The data that you collected on interlocking fingers tended to: |
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A. |
support the hypothesis that thumb and hand dominance are related |
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B. |
reject the hypothesis that thumb and hand dominance are related |
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C. |
prove that thumb and hand dominance are the same thing |
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D. |
no conclusions could be drawn from the data |
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Return to Biology Help Pages |
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Lab 2 - The Microscope
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| 1. |
Name the part of the microscope at the tip of the numbered pointer. |
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Study all the labeled parts of the microscope |
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in your lab manual and know their function. |
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There will be several of these questions |
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on the lab test. |
| 2. |
The coarse adjustment knob should only be used on high power magnification. |
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A. |
True |
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B. |
False |
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| 3. |
The total magnification of the lab microscopes on low power is: |
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A. |
40X |
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B. |
100X |
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C. |
400X |
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D. |
1000X |
| 4. |
The diameter of the field of view on low power is approximately: |
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A. |
400 micrometers |
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B. |
40 micrometers |
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C. |
1600 micrometers |
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D. |
4000 micrometers |
| 5. |
If ten onion cells lined up from end to end across the diameter of the low power field, their average length would be: |
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A. |
160 micrometers |
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B. |
400 micrometers |
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C. |
4 micrometers |
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D. |
1000 micrometers |
| 6. |
Microscopes should always be focused on high power first - then switch to low power. |
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A. |
True |
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B. |
False |
| 7. |
Which of the following is true of Paramecium cells? |
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A. |
oval cell shape - covered with cilia |
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B. |
rectangular shape - surrounded by thick cell wall |
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C. |
often found by scraping the cheek with a toothpick |
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D. |
lab microscopes do NOT permit the observation of Paramecium |
| 8. |
Which of the following cells were stained with Iodine to make them more visible under the microscope? |
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A. |
onion |
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B. |
Paramecium |
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C. |
Amoeba |
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D. |
human cheek cells |
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Return to Biology Help Pages |
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Lab 3 - Biochemistry
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| 1. |
Iodine solutions are often used to test for the presence of : |
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A. |
protein |
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B. |
lipids |
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C. |
sugars |
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D. |
starch |
| 2. |
Which of the test tubes below shows a positive reaction to the Biuret Test? |
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A. |
You should know the characteristic colors of |
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B. |
positive and negative reactions for all |
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C. |
simple biochemistry tests performed |
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D. |
in lab number three. |
| 3. |
The enzyme found in fresh liver suspensions is : |
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A. |
catalase |
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B. |
rennin |
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C. |
amylase |
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D. |
hydrogen peroxide |
| 4. |
What is produced as a result of the enzymatic breakdown of hydrogen peroxide? |
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A. |
protein |
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B. |
oxygen gas |
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C. |
sugar |
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D. |
lipid |
| 5. |
A common test for the presence of oxygen gas is : |
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A. |
glowing splint |
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B. |
Biuret's |
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C. |
Benedict's |
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D. |
Sudan IV |
| 6. |
It is acceptable to perform all of these lab tests without using a water control since we know what the result will be. (True or false) |
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A. |
True |
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B. |
False |
| 7. |
A common test for the presence of lipids is : |
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A. |
Catalase |
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B. |
Biuret's |
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C. |
Sudan IV |
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D. |
Benedict's |
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| 8. |
A color change from blue to green to yellow to red is associated with this test: |
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A. |
Biuret's |
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B. |
Rennin |
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C. |
Sudan IV |
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D. |
Benedict's |
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